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authorPerry Hung <iperry@alum.mit.edu>2010-04-25 18:14:43 -0400
committerPerry Hung <iperry@alum.mit.edu>2010-04-25 18:14:43 -0400
commit4ccbeb08e64b6bc7cee1f54a04001eff778b4282 (patch)
tree05f71e01c98ac341c029b2a050b796f1be3de8b5 /wirish
parentb41eb846ca60559cff242d0c550699eb8f309909 (diff)
parent62552a6f3f93223682f9df2df2614411f7e3d54c (diff)
downloadlibrambutan-4ccbeb08e64b6bc7cee1f54a04001eff778b4282.tar.gz
librambutan-4ccbeb08e64b6bc7cee1f54a04001eff778b4282.zip
Merge branch 'master' into spi
Diffstat (limited to 'wirish')
-rw-r--r--wirish/Print.cpp211
-rw-r--r--wirish/Print.h61
-rw-r--r--wirish/WProgram.h32
-rw-r--r--wirish/bits.h56
-rw-r--r--wirish/comm/HardwareSPI.cpp138
-rw-r--r--wirish/comm/HardwareSPI.h57
-rw-r--r--wirish/comm/HardwareSerial.cpp102
-rw-r--r--wirish/comm/HardwareSerial.h53
-rw-r--r--wirish/comm/HardwareUsb.cpp102
-rw-r--r--wirish/comm/HardwareUsb.h54
-rw-r--r--wirish/ext_interrupts.c109
-rw-r--r--wirish/ext_interrupts.h60
-rw-r--r--wirish/io.h145
-rw-r--r--wirish/main.cxx52
-rw-r--r--wirish/pwm.c51
-rw-r--r--wirish/pwm.h46
-rw-r--r--wirish/time.c77
-rw-r--r--wirish/time.h69
-rw-r--r--wirish/wirish.c47
-rw-r--r--wirish/wirish.h85
-rw-r--r--wirish/wirish_analog.c42
-rw-r--r--wirish/wirish_digital.c143
-rw-r--r--wirish/wirish_math.cpp54
-rw-r--r--wirish/wirish_math.h56
-rw-r--r--wirish/wirish_shift.c40
25 files changed, 1942 insertions, 0 deletions
diff --git a/wirish/Print.cpp b/wirish/Print.cpp
new file mode 100644
index 0000000..5a1bc93
--- /dev/null
+++ b/wirish/Print.cpp
@@ -0,0 +1,211 @@
+/*
+ Print.cpp - Base class that provides print() and println()
+ Copyright (c) 2008 David A. Mellis. All right reserved.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Modified 23 November 2006 by David A. Mellis
+ */
+
+#include "wirish.h"
+#include "Print.h"
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+/* default implementation: may be overridden */
+void Print::write(const char *str)
+{
+ while (*str)
+ write(*str++);
+}
+
+/* default implementation: may be overridden */
+void Print::write(const uint8 *buffer, uint32 size)
+{
+ while (size--)
+ write(*buffer++);
+}
+
+void Print::print(uint8 b)
+{
+ this->write(b);
+}
+
+void Print::print(char c)
+{
+ print((byte) c);
+}
+
+void Print::print(const char str[])
+{
+ write(str);
+}
+
+void Print::print(int n)
+{
+ print((long) n);
+}
+
+void Print::print(unsigned int n)
+{
+ print((unsigned long) n);
+}
+
+void Print::print(long n)
+{
+ if (n < 0) {
+ print('-');
+ n = -n;
+ }
+ printNumber(n, 10);
+}
+
+void Print::print(unsigned long n)
+{
+ printNumber(n, 10);
+}
+
+void Print::print(long n, int base)
+{
+ if (base == 0)
+ print((char) n);
+ else if (base == 10)
+ print(n);
+ else
+ printNumber(n, base);
+}
+
+void Print::print(double n)
+{
+ printFloat(n, 2);
+}
+
+void Print::println(void)
+{
+ print('\r');
+ print('\n');
+}
+
+void Print::println(char c)
+{
+ print(c);
+ println();
+}
+
+void Print::println(const char c[])
+{
+ print(c);
+ println();
+}
+
+void Print::println(uint8 b)
+{
+ print(b);
+ println();
+}
+
+void Print::println(int n)
+{
+ print(n);
+ println();
+}
+
+void Print::println(unsigned int n)
+{
+ print(n);
+ println();
+}
+
+void Print::println(long n)
+{
+ print(n);
+ println();
+}
+
+void Print::println(unsigned long n)
+{
+ print(n);
+ println();
+}
+
+void Print::println(long n, int base)
+{
+ print(n, base);
+ println();
+}
+
+void Print::println(double n)
+{
+ print(n);
+ println();
+}
+
+// Private Methods /////////////////////////////////////////////////////////////
+
+void Print::printNumber(unsigned long n, uint8 base)
+{
+ unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars.
+ unsigned long i = 0;
+
+ if (n == 0) {
+ print('0');
+ return;
+ }
+
+ while (n > 0) {
+ buf[i++] = n % base;
+ n /= base;
+ }
+
+ for (; i > 0; i--)
+ print((char) (buf[i - 1] < 10 ?
+ '0' + buf[i - 1] :
+ 'A' + buf[i - 1] - 10));
+}
+
+void Print::printFloat(double number, uint8 digits)
+{
+ // Handle negative numbers
+ if (number < 0.0)
+ {
+ print('-');
+ number = -number;
+ }
+
+ // Round correctly so that print(1.999, 2) prints as "2.00"
+ double rounding = 0.5;
+ for (uint8 i=0; i<digits; ++i)
+ rounding /= 10.0;
+
+ number += rounding;
+
+ // Extract the integer part of the number and print it
+ unsigned long int_part = (unsigned long)number;
+ double remainder = number - (double)int_part;
+ print(int_part);
+
+ // Print the decimal point, but only if there are digits beyond
+ if (digits > 0)
+ print(".");
+
+ // Extract digits from the remainder one at a time
+ while (digits-- > 0)
+ {
+ remainder *= 10.0;
+ int toPrint = int(remainder);
+ print(toPrint);
+ remainder -= toPrint;
+ }
+}
diff --git a/wirish/Print.h b/wirish/Print.h
new file mode 100644
index 0000000..b2f8647
--- /dev/null
+++ b/wirish/Print.h
@@ -0,0 +1,61 @@
+/*
+ Print.h - Base class that provides print() and println()
+ Copyright (c) 2008 David A. Mellis. All right reserved.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#ifndef Print_h
+#define Print_h
+
+#include <stdio.h> // for size_t
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+#define BYTE 0
+
+class Print
+{
+ private:
+ void printNumber(unsigned long, uint8);
+ void printFloat(double, uint8);
+ public:
+ virtual void write(uint8) = 0;
+ virtual void write(const char *str);
+ virtual void write(const uint8 *buffer, uint32 size);
+ void print(char);
+ void print(const char[]);
+ void print(uint8);
+ void print(int);
+ void print(unsigned int);
+ void print(long);
+ void print(unsigned long);
+ void print(long, int);
+ void print(double);
+ void println(void);
+ void println(char);
+ void println(const char[]);
+ void println(uint8);
+ void println(int);
+ void println(unsigned int);
+ void println(long);
+ void println(unsigned long);
+ void println(long, int);
+ void println(double);
+};
+
+#endif
diff --git a/wirish/WProgram.h b/wirish/WProgram.h
new file mode 100644
index 0000000..7653bb6
--- /dev/null
+++ b/wirish/WProgram.h
@@ -0,0 +1,32 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 LeafLabs LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+#include "wiring.h"
+#include "HardwareSerial.h"
+#include "HardwareUsb.h"
+#include "math.h"
+#include "usb.h"
+
+void setup();
+void loop();
diff --git a/wirish/bits.h b/wirish/bits.h
new file mode 100644
index 0000000..7ebea80
--- /dev/null
+++ b/wirish/bits.h
@@ -0,0 +1,56 @@
+/*
+ Part of Arduino - http://www.arduino.cc/
+
+ Copyright (c) 2005-2006 David A. Mellis
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General
+ Public License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ Boston, MA 02111-1307 USA
+*/
+
+// BIT DEFINITION
+
+#define BIT0 0x00000001
+#define BIT1 0x00000002
+#define BIT2 0x00000004
+#define BIT3 0x00000008
+#define BIT4 0x00000010
+#define BIT5 0x00000020
+#define BIT6 0x00000040
+#define BIT7 0x00000080
+#define BIT8 0x00000100
+#define BIT9 0x00000200
+#define BIT10 0x00000400
+#define BIT11 0x00000800
+#define BIT12 0x00001000
+#define BIT13 0x00002000
+#define BIT14 0x00004000
+#define BIT15 0x00008000
+#define BIT16 0x00010000
+#define BIT17 0x00020000
+#define BIT18 0x00040000
+#define BIT19 0x00080000
+#define BIT20 0x00100000
+#define BIT21 0x00200000
+#define BIT22 0x00400000
+#define BIT23 0x00800000
+#define BIT24 0x01000000
+#define BIT25 0x02000000
+#define BIT26 0x04000000
+#define BIT27 0x08000000
+#define BIT28 0x10000000
+#define BIT29 0x20000000
+#define BIT30 0x40000000
+#define BIT31 0x80000000
+
diff --git a/wirish/comm/HardwareSPI.cpp b/wirish/comm/HardwareSPI.cpp
new file mode 100644
index 0000000..49dad71
--- /dev/null
+++ b/wirish/comm/HardwareSPI.cpp
@@ -0,0 +1,138 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief HardwareSPI "wiring-like" api for SPI
+ */
+
+/* NOTES:
+ *
+ * Speeds:
+ * -----------------------------------
+ * Interface num: SPI1 SPI2
+ * Bus APB2 APB1
+ * -----------------------------------
+ * Prescaler Frequencies
+ * -----------------------------------
+ * 2: N/A 18 000 000
+ * 4: 18 000 000 9 000 000
+ * 8: 9 000 000 4 500 000
+ * 16: 4 500 000 2 250 000
+ * 32: 2 250 000 1 125 000
+ * 64: 1 125 000 562 500
+ * 128: 562 500 281 250
+ * 256: 281 250 140 625
+ *
+ * TODO: Do the complementary PWM outputs mess up SPI2?
+ * */
+
+#include "wirish.h"
+#include "spi.h"
+#include "HardwareSPI.h"
+
+static const uint32 prescaleFactors[MAX_SPI_FREQS] = {
+ SPI_PRESCALE_2, // SPI_18MHZ
+ SPI_PRESCALE_4, // SPI_9MHZ
+ SPI_PRESCALE_8, // SPI_4_5MHZ
+ SPI_PRESCALE_16, // SPI_2_25MHZ
+ SPI_PRESCALE_32, // SPI_1_125MHZ
+ SPI_PRESCALE_64, // SPI_562_500KHZ
+ SPI_PRESCALE_128, // SPI_281_250KHZ
+ SPI_PRESCALE_256, // SPI_140_625KHZ
+};
+
+/**
+ * @brief Initialize a SPI peripheral
+ * @param freq frequency to run at, must one of the following values:
+ * - SPI_18MHZ
+ * - SPI_9MHZ
+ * - SPI_4_5MHZ
+ * - SPI_2_25MHZ
+ * - SPI_1_125MHZ
+ * - SPI_562_500KHZ
+ * - SPI_281_250KHZ
+ * - SPI_140_625KHZ
+ * @param endianness endianness of the data frame, must be either LSBFIRST
+ * or MSBFIRST
+ * @param mode SPI standard CPOL and CPHA levels
+ */
+void HardwareSPI::begin(SPIFrequency freq, uint32 endianness, uint32 mode) {
+ uint32 spi_num = this->spi_num;
+ uint32 high_speed = 0;
+ uint32 index;
+ uint32 prescale;
+
+ if ((freq >= MAX_SPI_FREQS) ||
+ !((endianness == LSBFIRST) ||
+ (endianness == MSBFIRST)) ||
+ (mode >= 4)) {
+ return;
+ }
+
+ if (spi_num == 1) {
+ /* SPI1 is too fast for 140625 */
+ if (freq == SPI_140_625KHZ) {
+ return;
+ }
+
+ /* Turn off PWM on shared pins */
+ timers_disable_channel(3, 2);
+ timers_disable_channel(3, 1);
+ }
+
+ endianness = (endianness == LSBFIRST) ? SPI_LSBFIRST : SPI_MSBFIRST;
+ prescale = (spi_num == 1) ? prescaleFactors[freq + 1] : prescaleFactors[freq];
+
+ spi_init(spi_num, prescale, endianness, 0);
+}
+
+/**
+ * @brief Initialize a SPI peripheral with a default speed of 1.125 MHZ, MSBFIRST,
+ * mode 0
+ * @param mode SPI standard CPOL and CPHA levels
+ */
+void HardwareSPI::begin(void) {
+ begin(SPI_1_125MHZ, MSBFIRST, 0);
+}
+
+/**
+ * @brief send a byte out the spi peripheral
+ * @param data byte to send
+ */
+void HardwareSPI::send(uint8 data) {
+ spi_tx(this->spi_num, data);
+}
+
+
+/**
+ * @brief read a byte from the spi peripheral
+ * @return byte in the buffer
+ */
+uint8 HardwareSPI::recv(void) {
+ return spi_rx(this->spi_num);
+}
+
+HardwareSPI::HardwareSPI(uint32 spi_num) {
+ this->spi_num = spi_num;
+}
diff --git a/wirish/comm/HardwareSPI.h b/wirish/comm/HardwareSPI.h
new file mode 100644
index 0000000..b974334
--- /dev/null
+++ b/wirish/comm/HardwareSPI.h
@@ -0,0 +1,57 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief HardwareSPI definitions
+ */
+
+#ifndef _HARDWARESPI_H_
+#define _HARDWARESPI_H_
+
+typedef enum SPIFrequency {
+ SPI_18MHZ = 0,
+ SPI_9MHZ = 1,
+ SPI_4_5MHZ = 2,
+ SPI_2_25MHZ = 3,
+ SPI_1_125MHZ = 4,
+ SPI_562_500KHZ = 5,
+ SPI_281_250KHZ = 6,
+ SPI_140_625KHZ = 7,
+ MAX_SPI_FREQS = 8,
+} SPIFrequency;
+
+class HardwareSPI {
+ private:
+ uint32 spi_num;
+
+ public:
+ HardwareSPI(uint32 spi_num);
+ void begin(void);
+ void begin(SPIFrequency freq, uint32 endianness, uint32 mode);
+ void send(uint8 data);
+ uint8 recv(void);
+};
+
+#endif
+
diff --git a/wirish/comm/HardwareSerial.cpp b/wirish/comm/HardwareSerial.cpp
new file mode 100644
index 0000000..3e855ea
--- /dev/null
+++ b/wirish/comm/HardwareSerial.cpp
@@ -0,0 +1,102 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file HardwareSerial.cpp
+ *
+ * @brief Wiring-like serial api
+ */
+
+#include "wirish.h"
+#include "HardwareSerial.h"
+#include "usart.h"
+#include "gpio.h"
+#include "timers.h"
+
+#define USART1_TX_PORT GPIOA_BASE
+#define USART1_TX_PIN 9
+#define USART1_RX_PORT GPIOA_BASE
+#define USART1_RX_PIN 10
+
+#define USART2_TX_PORT GPIOA_BASE
+#define USART2_TX_PIN 2
+#define USART2_RX_PORT GPIOA_BASE
+#define USART2_RX_PIN 3
+
+#define USART3_TX_PORT GPIOB_BASE
+#define USART3_TX_PIN 10
+#define USART3_RX_PORT GPIOB_BASE
+#define USART3_RX_PIN 11
+
+HardwareSerial::HardwareSerial(uint8 usartNum) {
+ ASSERT(usartNum == 1 ||
+ usartNum == 2 ||
+ usartNum == 3);
+ this->usartNum = usartNum;
+}
+
+uint8 HardwareSerial::read(void) {
+ return usart_getc(usartNum);
+}
+
+uint32 HardwareSerial::available(void) {
+
+ return usart_data_available(usartNum);
+}
+
+void HardwareSerial::write(unsigned char ch) {
+ usart_putc(usartNum, ch);
+}
+
+void HardwareSerial::begin(uint32 baud) {
+ ASSERT(!(baud > USART_MAX_BAUD));
+
+ /* Set appropriate pin modes */
+ switch (usartNum) {
+ case 1:
+ gpio_set_mode(USART1_TX_PORT, USART1_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
+ gpio_set_mode(USART1_RX_PORT, USART1_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+ /* Turn off any pwm */
+ timers_disable_channel(1, 2);
+ break;
+ case 2:
+ gpio_set_mode(USART2_TX_PORT, USART2_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
+ gpio_set_mode(USART2_RX_PORT, USART2_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+ /* Turn off any pwm */
+ timers_disable_channel(2, 3);
+ break;
+ case 3:
+ gpio_set_mode(USART3_TX_PORT, USART3_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
+ gpio_set_mode(USART3_RX_PORT, USART3_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+ break;
+ default:
+ ASSERT(0);
+ }
+
+ usart_init(usartNum, baud);
+}
+
+HardwareSerial Serial1(1);
+HardwareSerial Serial2(2);
+HardwareSerial Serial3(3);
diff --git a/wirish/comm/HardwareSerial.h b/wirish/comm/HardwareSerial.h
new file mode 100644
index 0000000..a488244
--- /dev/null
+++ b/wirish/comm/HardwareSerial.h
@@ -0,0 +1,53 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file HardwareSerial.h
+ *
+ * @brief
+ */
+
+#ifndef _HARDWARESERIAL_H_
+#define _HARDWARESERIAL_H_
+
+#include "Print.h"
+
+class HardwareSerial : public Print {
+ private:
+ uint8 usartNum;
+ public:
+ HardwareSerial(uint8);
+ void begin(uint32);
+ uint32 available(void);
+ uint8 read(void);
+ void flush(void);
+ virtual void write(unsigned char);
+ using Print::write;
+};
+
+extern HardwareSerial Serial1;
+extern HardwareSerial Serial2;
+extern HardwareSerial Serial3;
+#endif
+
diff --git a/wirish/comm/HardwareUsb.cpp b/wirish/comm/HardwareUsb.cpp
new file mode 100644
index 0000000..4398e96
--- /dev/null
+++ b/wirish/comm/HardwareUsb.cpp
@@ -0,0 +1,102 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Andrew Meyer.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief Wiring like serial api to USB virtual COM
+ */
+
+#include "wirish.h"
+#include "HardwareUsb.h"
+#include "bootVect.h"
+#include "usb.h"
+
+HardwareUsb::HardwareUsb(void) {
+ mapleVectTable = (BootVectTable*)(BOOTLOADER_VECT_TABLE);
+ mapleVectTable->serial_tx_cb = usb_tx_cb;
+ mapleVectTable->serial_rx_cb = usb_rx_cb;
+ mapleVectTable->usb_local_obj_ptr = this;
+ rx_buffer_offset_in = 0;
+ rx_buffer_offset_out = 0;
+}
+
+uint8 HardwareUsb::read(void) {
+ uint8 outVal = rx_buffer[rx_buffer_offset_out++];
+
+#if 1
+ if (rx_buffer_offset_out == rx_buffer_offset_in) {
+ flush();
+ }
+#endif
+
+ return outVal;
+}
+
+uint8 HardwareUsb::available(void) {
+ ASSERT(rx_buffer_offset_out >= 0);
+ // return rx_buffer_offset+1;
+ // return usb_serialGetRecvLen();
+ return rx_buffer_offset_in - rx_buffer_offset_out;
+}
+
+void HardwareUsb::flush(void) {
+ rx_buffer_offset_in = 0;
+ rx_buffer_offset_out = 0;
+}
+
+void HardwareUsb::write(unsigned char ch) {
+ usb_serialWriteChar(ch);
+}
+
+void HardwareUsb::begin(void) {
+ /* placeholder for usb<->uart linking */
+}
+
+void HardwareUsb::usb_rx_cb(void) {
+ BootVectTable *vectTable = (BootVectTable*)(BOOTLOADER_VECT_TABLE);
+ HardwareUsb *thisPtr = (HardwareUsb*) vectTable->usb_local_obj_ptr;
+
+ uint8 numBytes = usb_serialGetRecvLen();
+
+#if 0
+ /* ONE-SHOT-TO-READ Version (buffer cleared on next recv interrupt */
+ usb_copyRecvBuffer(thisPtr->rx_buffer,numBytes);
+ thisPtr->rx_buffer_offset_in = numBytes;
+ thisPtr->rx_buffer_offset_out = 0;
+#else
+ /* FIFO DISCARD OVERFLOW VERSION */
+ if ((thisPtr->rx_buffer_offset_in + numBytes) > (USB_SERIAL_BUF_SIZE)) {
+ numBytes = USB_SERIAL_BUF_SIZE - thisPtr->rx_buffer_offset_in;
+ }
+
+ if (numBytes > 0) {
+ ASSERT(thisPtr->rx_buffer_offset_in <= USB_SERIAL_BUF_SIZE);
+ usb_copyRecvBuffer(&(thisPtr->rx_buffer[thisPtr->rx_buffer_offset_in]),numBytes);
+ thisPtr->rx_buffer_offset_in += numBytes;
+ }
+#endif
+}
+
+void HardwareUsb::usb_tx_cb(void) {
+ /* placeholder for when serial dumps exceed buflen */
+}
diff --git a/wirish/comm/HardwareUsb.h b/wirish/comm/HardwareUsb.h
new file mode 100644
index 0000000..ee13f40
--- /dev/null
+++ b/wirish/comm/HardwareUsb.h
@@ -0,0 +1,54 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Andrew Meyer.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief Wiring like serial api to USB virtual COM
+ */
+
+#ifndef _HARDWAREUSB_H_
+#define _HARDWAREUSB_H_
+
+#include "Print.h"
+#include "bootVect.h"
+#include "usb.h"
+
+class HardwareUsb : public Print {
+ private:
+ BootVectTable* mapleVectTable;
+ static void usb_rx_cb(void);
+ static void usb_tx_cb(void);
+ unsigned char rx_buffer[USB_SERIAL_BUF_SIZE];
+ int8 rx_buffer_offset_out;
+ int8 rx_buffer_offset_in;
+ public:
+ HardwareUsb(void);
+ void begin();
+ uint8 available(void);
+ uint8 read(void);
+ void flush(void);
+ virtual void write(unsigned char);
+ using Print::write;
+};
+
+#endif //_HARDWAREUSB_H
diff --git a/wirish/ext_interrupts.c b/wirish/ext_interrupts.c
new file mode 100644
index 0000000..54b8be9
--- /dev/null
+++ b/wirish/ext_interrupts.c
@@ -0,0 +1,109 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file ext_interrupts.c
+ *
+ * @brief Wiring-like interface for external interrupts
+ */
+
+#include "wirish.h"
+#include "exti.h"
+#include "ext_interrupts.h"
+
+typedef struct ExtiInfo {
+ uint8 channel;
+ uint8 port;
+} ExtiInfo;
+
+static ExtiInfo PIN_TO_EXTI_CHANNEL[NR_MAPLE_PINS] = {
+ {EXTI3, EXTI_CONFIG_PORTA}, // D0/PA3
+ {EXTI2, EXTI_CONFIG_PORTA}, // D1/PA2
+ {EXTI0, EXTI_CONFIG_PORTA}, // D2/PA0
+ {EXTI1, EXTI_CONFIG_PORTA}, // D3/PA1
+ {EXTI5, EXTI_CONFIG_PORTB}, // D4/PB5
+ {EXTI6, EXTI_CONFIG_PORTB}, // D5/PB6
+ {EXTI8, EXTI_CONFIG_PORTA}, // D6/PA8
+ {EXTI9, EXTI_CONFIG_PORTA}, // D7/PA9
+ {EXTI10, EXTI_CONFIG_PORTA}, // D8/PA10
+ {EXTI7, EXTI_CONFIG_PORTB}, // D9/PB7
+ {EXTI4, EXTI_CONFIG_PORTA}, // D10/PA4
+ {EXTI7, EXTI_CONFIG_PORTA}, // D11/PA7
+ {EXTI6, EXTI_CONFIG_PORTA}, // D12/PA6
+ {EXTI5, EXTI_CONFIG_PORTA}, // D13/PA5
+};
+
+
+/**
+ * @brief Attach an interrupt handler to be triggered on a given
+ * transition on the pin. Runs in interrupt context
+ *
+ * @param[in] pin Maple pin number
+ * @param[in] handler Function to run upon external interrupt trigger.
+ * @param[in] mode Type of transition to trigger on, eg falling, rising, etc.
+ *
+ * @sideeffect Registers a handler
+ */
+int attachInterrupt(uint8 pin, voidFuncPtr handler, ExtInterruptTriggerMode mode) {
+ uint8 outMode;
+ /* Parameter checking */
+ if (pin >= NR_MAPLE_PINS) {
+ return EXT_INTERRUPT_INVALID_PIN;
+ }
+
+ if (!handler) {
+ ASSERT(0);
+ return EXT_INTERRUPT_INVALID_FUNCTION;
+ }
+
+ switch (mode) {
+ case RISING:
+ outMode = EXTI_RISING;
+ break;
+ case FALLING:
+ outMode = EXTI_FALLING;
+ break;
+ case CHANGE:
+ outMode = EXTI_RISING_FALLING;
+ break;
+ default:
+ ASSERT(0);
+ return EXT_INTERRUPT_INVALID_MODE;;
+ }
+
+ exti_attach_interrupt(PIN_TO_EXTI_CHANNEL[pin].channel,
+ PIN_TO_EXTI_CHANNEL[pin].port,
+ handler, mode);
+
+ return 0;
+}
+
+int detachInterrupt(uint8 pin) {
+ if (!(pin < NR_MAPLE_PINS)) {
+ return EXT_INTERRUPT_INVALID_PIN;
+ }
+
+ exti_detach_interrupt(PIN_TO_EXTI_CHANNEL[pin].channel);
+}
+
diff --git a/wirish/ext_interrupts.h b/wirish/ext_interrupts.h
new file mode 100644
index 0000000..fc69a15
--- /dev/null
+++ b/wirish/ext_interrupts.h
@@ -0,0 +1,60 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file ext_interrupts.h
+ *
+ * @brief External interrupt wiring prototypes and types
+ */
+
+#ifndef _EXT_INTERRUPTS_H_
+#define _EXT_INTERRUPTS_H_
+
+typedef enum ExtInterruptTriggerMode {
+ RISING,
+ FALLING,
+ CHANGE
+} ExtInterruptTriggerMode;
+
+
+enum ExtInterruptError {
+ EXT_INTERRUPT_INVALID_PIN = (-1),
+ EXT_INTERRUPT_INVALID_FUNCTION = (-2),
+ EXT_INTERRUPT_INVALID_MODE = (-3),
+};
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+int attachInterrupt(uint8 pin, voidFuncPtr, ExtInterruptTriggerMode mode);
+int detachInterrupt(uint8 pin);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
+
diff --git a/wirish/io.h b/wirish/io.h
new file mode 100644
index 0000000..fff551c
--- /dev/null
+++ b/wirish/io.h
@@ -0,0 +1,145 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file io.h
+ *
+ * @brief
+ */
+
+#ifndef _IO_H
+#define _IO_H
+
+#include "gpio.h"
+#include "adc.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+/* stash these here for now */
+#define D0 0
+#define D1 1
+#define D2 2
+#define D3 3
+#define D4 4
+#define D5 5
+#define D6 6
+#define D7 7
+#define D8 8
+#define D9 9
+#define D10 10
+#define D11 11
+#define D12 12
+#define D13 13
+#define D14 14
+#define D15 15
+#define D16 16
+#define D16 16
+#define D17 17
+#define D18 18
+#define D19 19
+#define D20 20
+#define D21 21
+#define D22 22
+#define D23 23
+#define D24 24
+#define D25 25
+#define D26 26
+#define D27 27
+#define D28 28
+#define D29 29
+#define D30 30
+#define D31 31
+#define D32 32
+#define D33 33
+#define D34 34
+#define D35 35
+#define D36 36
+#define D37 37
+#define D38 38
+#define D39 39
+
+typedef enum WiringPinMode {
+ OUTPUT,
+ OUTPUT_OPEN_DRAIN,
+ INPUT,
+ INPUT_ANALOG,
+ INPUT_PULLUP,
+ INPUT_PULLDOWN,
+ INPUT_FLOATING,
+ PWM
+} WiringPinMode;
+
+typedef struct PinMapping {
+ GPIO_Port *port;
+ uint32 pin;
+ uint32 adc;
+ TimerCCR timer_channel;
+} PinMapping;
+
+#define ADC_INVALID 0xFFFFFFFF
+#define TIMER_INVALID (TimerCCR)0xFFFFFFFF
+
+/* Set pin to mode
+ * pinMode(pin, mode):
+ * pin -> {0-38, D0-D39, A0-16}
+ * mode -> {
+ * INPUT/INPUT_DIGITAL
+ * INPUT_PULLUP
+ * INPUT_PULLDOWN
+ * INPUT_ANALOG
+ * OUTPUT/OUTPUT_PP
+ * OUTPUT_OPEN_DRAIN
+ * }
+ */
+void pinMode(uint8, uint8);
+
+/*
+ * Writes VALUE to digital pin[0-38]
+ * digitalWrite(pin, value):
+ * pin -> {0-38, D0-D39, A0-16}
+ * value -> LOW, HIGH;
+*/
+void digitalWrite(uint8, uint8);
+
+/* Read a digital value from pin, the pin mode must be set to
+ * {INPUT, INPUT_PULLUP, INPUT_PULLDOWN}
+ * digitalRead(pin)
+ * pin -> {0-38, D0-D39, A0-16}
+ */
+uint32 digitalRead(uint8);
+
+/* Read an analog value from pin, the pin mode must be set
+ * to INPUT_ANALOG
+ * analogRead(pin)
+ * pin -> {A0-A16}
+ * */
+uint32 analogRead(uint8);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+#endif
+
diff --git a/wirish/main.cxx b/wirish/main.cxx
new file mode 100644
index 0000000..440d464
--- /dev/null
+++ b/wirish/main.cxx
@@ -0,0 +1,52 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 LeafLabs LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+int main(void)
+{
+ init();
+ setup();
+
+ while (1) {
+ loop();
+ }
+ return 0;
+}
+
+/* Required for C++ hackery */
+/* TODO: This really shouldn't go here... move it later
+ * */
+extern "C" void __cxa_pure_virtual(void) {
+ while(1)
+ ;
+}
+
+/* Implemented:
+ * void pinMode(pin, mode)
+ * void digitalWrite(pin, value)
+ * uint32_t digitalRead(pin)
+ * uint32_t analogRead(pin)
+ * void randomSeed(seed)
+ * long random(max)
+ * long random(min, max)
+ * */
diff --git a/wirish/pwm.c b/wirish/pwm.c
new file mode 100644
index 0000000..40715b5
--- /dev/null
+++ b/wirish/pwm.c
@@ -0,0 +1,51 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief
+ */
+
+#include "wirish.h"
+#include "timers.h"
+#include "io.h"
+#include "pwm.h"
+
+extern const PinMapping PIN_MAP[NR_MAPLE_PINS];
+
+void pwmWrite(uint8 pin, uint16 duty_cycle) {
+ TimerCCR ccr;
+
+ if (pin >= NR_MAPLE_PINS) {
+ return;
+ }
+
+ ccr = PIN_MAP[pin].timer_channel;
+
+ if (ccr == TIMER_INVALID)
+ return;
+
+ timer_pwm_write_ccr(ccr, duty_cycle);
+}
+
+
diff --git a/wirish/pwm.h b/wirish/pwm.h
new file mode 100644
index 0000000..4f69751
--- /dev/null
+++ b/wirish/pwm.h
@@ -0,0 +1,46 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file pwm.h
+ *
+ * @brief
+ */
+
+#ifndef _PWM_H
+#define _PWM_H
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+void pwmWrite(uint8, uint16);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
+
diff --git a/wirish/time.c b/wirish/time.c
new file mode 100644
index 0000000..69e962c
--- /dev/null
+++ b/wirish/time.c
@@ -0,0 +1,77 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file time.c
+ *
+ * @brief
+ */
+
+#include "libmaple.h"
+#include "systick.h"
+#include "time.h"
+
+#define CYCLES_PER_MICROSECOND 72
+#define FUDGE 42
+
+extern volatile uint32 systick_timer_millis;
+
+uint32 millis() {
+ unsigned long m;
+ m = systick_timer_millis;
+ return m;
+}
+
+void delay(unsigned long ms)
+{
+ unsigned long start = millis();
+
+ while (millis() - start <= ms)
+ ;
+}
+
+
+
+#if 1
+void delayMicroseconds(uint32 us) {
+ uint32 target;
+ uint32 last, cur, count;
+ /* fudge factor hacky hack hack for function overhead */
+ target = us * CYCLES_PER_MICROSECOND - FUDGE;
+
+ /* Get current count */
+ last = systick_get_count();
+ cur = systick_get_count();
+ count = last;
+ while ((count-cur) <= target) {
+ cur = systick_get_count();
+
+ /* check for overflow */
+ if (cur > last) {
+ count += MAPLE_RELOAD_VAL;
+ }
+ last = cur;
+ }
+}
+#endif
diff --git a/wirish/time.h b/wirish/time.h
new file mode 100644
index 0000000..9e5536b
--- /dev/null
+++ b/wirish/time.h
@@ -0,0 +1,69 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @file time.h
+ *
+ * @brief
+ */
+
+#ifndef _TIME_H
+#define _TIME_H
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+/* Returns time since boot in milliseconds */
+uint32 millis(void);
+
+/* Time in microseconds since boot */
+uint32 micros(void);
+
+/* Delay for ms milliseconds */
+void delay(unsigned long ms);
+
+/* Delay for us microseconds */
+void delayMicroseconds(uint32 us);
+
+#if 0
+static inline void delay_us(uint32 us) {
+ us *= 12;
+ asm volatile("mov r0, %[us] \n\t"
+ "subs r0, #2 \n\t"
+"1: \n\t"
+ "subs r0, r0, #1 \n\t"
+ "bne 1b"
+ :
+ : [us] "r" (us)
+ : "r0", "cc");
+
+}
+#endif
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+
+#endif
+
diff --git a/wirish/wirish.c b/wirish/wirish.c
new file mode 100644
index 0000000..5102124
--- /dev/null
+++ b/wirish/wirish.c
@@ -0,0 +1,47 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief Maple board bring up
+ */
+
+#include "wirish.h"
+#include "rcc.h"
+#include "systick.h"
+#include "gpio.h"
+#include "nvic.h"
+
+void init(void) {
+ rcc_init();
+ nvic_init();
+ systick_init();
+ gpio_init();
+ adc_init();
+ timer_init(1, 1);
+ timer_init(2, 1);
+ timer_init(3, 1);
+ timer_init(4, 1);
+}
+
+
diff --git a/wirish/wirish.h b/wirish/wirish.h
new file mode 100644
index 0000000..5129c26
--- /dev/null
+++ b/wirish/wirish.h
@@ -0,0 +1,85 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+/**
+ * @brief Main include file for the Wirish core.
+ *
+ * Includes various Arduino wiring macros and bit defines
+ */
+
+
+#ifndef _WIRISH_H_
+#define _WIRISH_H_
+
+#include "libmaple.h"
+#include "timers.h"
+#include "io.h"
+#include "bits.h"
+#include "time.h"
+#include "pwm.h"
+#include "ext_interrupts.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#define MAPLE 1
+#define NR_MAPLE_PINS 39 // temporary
+
+/* Arduino wiring macros and bit defines */
+#define HIGH 0x1
+#define LOW 0x0
+
+#define true 0x1
+#define false 0x0
+
+#define LSBFIRST 0
+#define MSBFIRST 1
+
+#define USER_ADDR_ROM 0x08005000
+#define USER_ADDR_RAM 0x20000C00
+
+#define lowByte(w) ((w) & 0xff)
+#define highByte(w) ((w) >> 8)
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1UL << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : \
+ bitClear(value, bit))
+#define bit(b) (1UL << (b))
+
+typedef uint8 boolean;
+typedef uint8 byte;
+
+void init(void);
+void shiftOut(uint8 dataPin, uint8 clockPin, uint8 bitOrder, byte val);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+
+
+
+#endif
+
diff --git a/wirish/wirish_analog.c b/wirish/wirish_analog.c
new file mode 100644
index 0000000..f4c1204
--- /dev/null
+++ b/wirish/wirish_analog.c
@@ -0,0 +1,42 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief
+ */
+
+#include "libmaple.h"
+#include "wirish.h"
+#include "io.h"
+
+extern const PinMapping PIN_MAP[NR_MAPLE_PINS];
+
+/* Assumes that the ADC has been initialized and
+ * that the pin is set to ANALOG_INPUT */
+uint32 analogRead(uint8 pin) {
+ if (pin >= NR_ANALOG_PINS)
+ return 0;
+
+ return adc_read(PIN_MAP[pin].adc);
+}
diff --git a/wirish/wirish_digital.c b/wirish/wirish_digital.c
new file mode 100644
index 0000000..33217b6
--- /dev/null
+++ b/wirish/wirish_digital.c
@@ -0,0 +1,143 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+/**
+ * @brief
+ */
+
+#include "wirish.h"
+#include "io.h"
+
+#define ADC0 0
+#define ADC1 1
+#define ADC2 2
+#define ADC3 3
+#define ADC4 4
+#define ADC5 5
+#define ADC6 6
+#define ADC7 7
+#define ADC8 8
+#define ADC9 9
+#define ADC10 10
+#define ADC11 11
+#define ADC12 12
+#define ADC13 13
+#define ADC14 14
+#define ADC15 15
+#define ADC16 16
+
+const PinMapping PIN_MAP[NR_MAPLE_PINS] = {
+ {GPIOA_BASE, 3, ADC3, TIMER2_CH4_CCR}, // D0/PA3
+ {GPIOA_BASE, 2, ADC2, TIMER2_CH3_CCR}, // D1/PA2
+ {GPIOA_BASE, 0, ADC0, TIMER2_CH1_CCR}, // D2/PA0
+ {GPIOA_BASE, 1, ADC1, TIMER2_CH2_CCR}, // D3/PA1
+ {GPIOB_BASE, 5, ADC_INVALID, TIMER_INVALID}, // D4/PB5
+ {GPIOB_BASE, 6, ADC_INVALID, TIMER4_CH1_CCR}, // D5/PB6
+ {GPIOA_BASE, 8, ADC_INVALID, TIMER1_CH1_CCR}, // D6/PA8
+ {GPIOA_BASE, 9, ADC_INVALID, TIMER1_CH2_CCR}, // D7/PA9
+ {GPIOA_BASE, 10, ADC_INVALID, TIMER1_CH3_CCR}, // D8/PA10
+ {GPIOB_BASE, 7, ADC_INVALID, TIMER4_CH2_CCR}, // D9/PB7
+ {GPIOA_BASE, 4, ADC4, TIMER_INVALID}, // D10/PA4
+ {GPIOA_BASE, 7, ADC7, TIMER3_CH2_CCR}, // D11/PA7
+ {GPIOA_BASE, 6, ADC6, TIMER3_CH1_CCR}, // D12/PA6
+ {GPIOA_BASE, 5, ADC5, TIMER_INVALID}, // D13/PA5
+ {GPIOB_BASE, 8, ADC_INVALID, TIMER4_CH3_CCR}, // D14/PB8
+ /* Little header */
+ {GPIOC_BASE, 0, ADC10, TIMER_INVALID}, // D15/PC0
+ {GPIOC_BASE, 1, ADC11, TIMER_INVALID}, // D16/PC1
+ {GPIOC_BASE, 2, ADC12, TIMER_INVALID}, // D17/PC2
+ {GPIOC_BASE, 3, ADC13, TIMER_INVALID}, // D18/PC3
+ {GPIOC_BASE, 4, ADC14, TIMER_INVALID}, // D19/PC4
+ {GPIOC_BASE, 5, ADC15, TIMER_INVALID}, // D20/PC5
+ /* External header */
+ {GPIOC_BASE, 13, ADC_INVALID, TIMER_INVALID}, // D21/PC13
+ {GPIOC_BASE, 14, ADC_INVALID, TIMER_INVALID}, // D22/PC14
+ {GPIOC_BASE, 15, ADC_INVALID, TIMER_INVALID}, // D23/PC15
+ {GPIOB_BASE, 9, ADC_INVALID, TIMER4_CH4_CCR}, // D24/PB9
+ {GPIOD_BASE, 2, ADC_INVALID, TIMER_INVALID}, // D25/PD2
+ {GPIOC_BASE, 10, ADC_INVALID, TIMER_INVALID}, // D26/PC10
+ {GPIOB_BASE, 0, ADC8, TIMER3_CH3_CCR}, // D27/PB0
+ {GPIOB_BASE, 1, ADC9, TIMER3_CH4_CCR}, // D28/PB1
+ {GPIOB_BASE, 10, ADC_INVALID, TIMER_INVALID}, // D29/PB10
+ {GPIOB_BASE, 11, ADC_INVALID, TIMER_INVALID}, // D30/PB11
+ {GPIOB_BASE, 12, ADC_INVALID, TIMER_INVALID}, // D31/PB12
+ {GPIOB_BASE, 13, ADC_INVALID, TIMER_INVALID}, // D32/PB13
+ {GPIOB_BASE, 14, ADC_INVALID, TIMER_INVALID}, // D33/PB14
+ {GPIOB_BASE, 15, ADC_INVALID, TIMER_INVALID}, // D34/PB15
+ {GPIOC_BASE, 6, ADC_INVALID, TIMER_INVALID}, // D35/PC6
+ {GPIOC_BASE, 7, ADC_INVALID, TIMER_INVALID}, // D36/PC7
+ {GPIOC_BASE, 8, ADC_INVALID, TIMER_INVALID}, // D37/PC8
+ {GPIOC_BASE, 9, ADC_INVALID, TIMER_INVALID} // D38/PC9
+};
+
+void pinMode(uint8 pin, WiringPinMode mode) {
+ uint8 outputMode;
+
+ if (pin >= NR_MAPLE_PINS)
+ return;
+
+ switch(mode) {
+ case OUTPUT:
+ outputMode = GPIO_MODE_OUTPUT_PP;
+ break;
+ case OUTPUT_OPEN_DRAIN:
+ outputMode = GPIO_MODE_OUTPUT_OD;
+ break;
+ case INPUT:
+ case INPUT_FLOATING:
+ outputMode = GPIO_MODE_INPUT_FLOATING;
+ break;
+ case INPUT_ANALOG:
+ outputMode = GPIO_MODE_INPUT_ANALOG;
+ break;
+ case INPUT_PULLUP:
+ outputMode = GPIO_MODE_INPUT_PU;
+ break;
+ case INPUT_PULLDOWN:
+ outputMode = GPIO_MODE_INPUT_PD;
+ break;
+ case PWM:
+ outputMode = GPIO_MODE_AF_OUTPUT_PP;
+ break;
+ default:
+ ASSERT(0);
+ return;
+ }
+
+ gpio_set_mode(PIN_MAP[pin].port, PIN_MAP[pin].pin, outputMode);
+}
+
+
+uint32 digitalRead(uint8 pin) {
+ if (pin >= NR_MAPLE_PINS)
+ return 0;
+ return gpio_read_bit(PIN_MAP[pin].port, PIN_MAP[pin].pin);
+}
+
+void digitalWrite(uint8 pin, uint8 val) {
+ if (pin >= NR_MAPLE_PINS)
+ return;
+
+ gpio_write_bit(PIN_MAP[pin].port, PIN_MAP[pin].pin, val);
+}
diff --git a/wirish/wirish_math.cpp b/wirish/wirish_math.cpp
new file mode 100644
index 0000000..0d907c4
--- /dev/null
+++ b/wirish/wirish_math.cpp
@@ -0,0 +1,54 @@
+/*
+ Modified by LeafLabs, LLC.
+
+ Part of the Wiring project - http://wiring.org.co
+ Copyright (c) 2004-06 Hernando Barragan
+ Modified 13 August 2006, David A. Mellis for Arduino - http://www.arduino.cc/
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General
+ Public License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ Boston, MA 02111-1307 USA
+
+ $Id$
+*/
+
+#include <stdlib.h>
+#include "math.h"
+
+void randomSeed(unsigned int seed) {
+ if (seed != 0) {
+ srand(seed);
+ }
+}
+
+long random(long howbig) {
+ if (howbig == 0) {
+ return 0;
+ }
+ return rand() % howbig;
+}
+
+long random(long howsmall, long howbig) {
+ if (howsmall >= howbig) {
+ return howsmall;
+ }
+ long diff = howbig - howsmall;
+ return random(diff) + howsmall;
+}
+
+long map(long x, long in_min, long in_max, long out_min, long out_max) {
+ return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+
diff --git a/wirish/wirish_math.h b/wirish/wirish_math.h
new file mode 100644
index 0000000..19f3892
--- /dev/null
+++ b/wirish/wirish_math.h
@@ -0,0 +1,56 @@
+/* *****************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 Perry Hung.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * ****************************************************************************/
+
+#ifndef _WIRING_MATH_H_
+#define _WIRING_MATH_H_
+
+#include <math.h>
+
+void randomSeed(unsigned int);
+long random(long);
+long random(long, long);
+long map(long, long, long, long, long);
+
+#define PI 3.1415926535897932384626433832795
+#define HALF_PI 1.5707963267948966192313216916398
+#define TWO_PI 6.283185307179586476925286766559
+#define DEG_TO_RAD 0.017453292519943295769236907684886
+#define RAD_TO_DEG 57.295779513082320876798154814105
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define radians(deg) ((deg)*DEG_TO_RAD)
+#define degrees(rad) ((rad)*RAD_TO_DEG)
+#define sq(x) ((x)*(x))
+
+/* undefine stdlib's abs if encountered */
+#ifdef abs
+#undef abs
+#endif
+#define abs(x) (((x) > 0) ? (x) : -(unsigned)(x))
+
+#endif
+
diff --git a/wirish/wirish_shift.c b/wirish/wirish_shift.c
new file mode 100644
index 0000000..884b560
--- /dev/null
+++ b/wirish/wirish_shift.c
@@ -0,0 +1,40 @@
+/*
+ wiring_shift.c - shiftOut() function
+ Part of Arduino - http://www.arduino.cc/
+
+ Copyright (c) 2005-2006 David A. Mellis
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General
+ Public License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ Boston, MA 02111-1307 USA
+
+ $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wirish.h"
+
+void shiftOut(uint8 dataPin, uint8 clockPin, uint8 bitOrder, uint8 val)
+{
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ if (bitOrder == LSBFIRST)
+ digitalWrite(dataPin, !!(val & (1 << i)));
+ else
+ digitalWrite(dataPin, !!(val & (1 << (7 - i))));
+
+ digitalWrite(clockPin, HIGH);
+ digitalWrite(clockPin, LOW);
+ }
+}