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authorMarti Bolivar <mbolivar@leaflabs.com>2011-05-02 14:33:05 -0400
committerMarti Bolivar <mbolivar@leaflabs.com>2011-05-04 13:31:24 -0400
commit11a0da5c63faffd45bde43da2777a9771cfdf5e9 (patch)
tree2f4d468a82925de416c1f455c37fad2ffe154836
parent7caa5711c3f2d03870cba71d175a057e573aff8d (diff)
downloadlibrambutan-11a0da5c63faffd45bde43da2777a9771cfdf5e9.tar.gz
librambutan-11a0da5c63faffd45bde43da2777a9771cfdf5e9.zip
/examples/ cleanups.
-rw-r--r--examples/blinky.cpp9
-rw-r--r--examples/debug-dtrrts.cpp5
-rw-r--r--examples/spi_master.cpp65
-rw-r--r--examples/test-dac.cpp9
-rw-r--r--examples/test-ring-buffer-insertion.cpp2
-rw-r--r--examples/test-serial-flush.cpp20
-rw-r--r--examples/test-serialusb.cpp31
-rw-r--r--examples/test-systick.cpp15
-rw-r--r--examples/test-timers.cpp9
-rw-r--r--examples/vga-leaf.cpp21
-rw-r--r--examples/vga-scope.cpp17
11 files changed, 91 insertions, 112 deletions
diff --git a/examples/blinky.cpp b/examples/blinky.cpp
index 209a6e6..91d1a47 100644
--- a/examples/blinky.cpp
+++ b/examples/blinky.cpp
@@ -2,11 +2,8 @@
#include "wirish.h"
-// Use the pin attached to the built-in LED
-#define PIN BOARD_LED_PIN
-
void setup() {
- pinMode(PIN, OUTPUT);
+ pinMode(BOARD_LED_PIN, OUTPUT);
}
int toggle = 1;
@@ -14,7 +11,7 @@ int toggle = 1;
void loop() {
// You could just use toggleLED() instead, but this illustrates
// the use of digitalWrite():
- digitalWrite(PIN, toggle);
+ digitalWrite(BOARD_LED_PIN, toggle);
toggle ^= 1;
delay(100);
}
@@ -28,7 +25,7 @@ __attribute__((constructor)) void premain() {
int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;
diff --git a/examples/debug-dtrrts.cpp b/examples/debug-dtrrts.cpp
index 61c061a..3829208 100644
--- a/examples/debug-dtrrts.cpp
+++ b/examples/debug-dtrrts.cpp
@@ -3,12 +3,9 @@
#include "wirish.h"
#include "usb.h"
-#define LED_PIN BOARD_LED_PIN
-#define PWM_PIN 2
-
void setup() {
/* Set up the LED to blink */
- pinMode(LED_PIN, OUTPUT);
+ pinMode(BOARD_LED_PIN, OUTPUT);
/* Send a message out USART2 */
Serial2.begin(9600);
diff --git a/examples/spi_master.cpp b/examples/spi_master.cpp
index 06cad02..af3e709 100644
--- a/examples/spi_master.cpp
+++ b/examples/spi_master.cpp
@@ -1,61 +1,62 @@
-/* *****************************************************************************
+/******************************************************************************
* 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
+ * 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 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.
- * ****************************************************************************/
+ * 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 Sample main.cpp file. Sends "Hello world!" out SPI1.
+ * @brief Sample main.cpp file. Sends "Hello world!" out SPI1.
*
- * SPI1 is set up to be a master transmitter at 4.5MHz, little endianness,
- * and SPI mode 0.
- *
- * Pin 10 is used as Chip Select
+ * SPI1 is set up to be a master transmitter at 4.5MHz, little
+ * endianness, and SPI mode 0.
*
+ * Pin 10 is used as slave select.
*/
#include "wirish.h"
-#define CS 10
+#define NSS 10
byte buf[] = "Hello world!";
HardwareSPI spi1(1);
void setup() {
- /* Set up chip select as output */
- pinMode(CS, OUTPUT);
+ /* Set up chip select as output */
+ pinMode(NSS, OUTPUT);
- /* CS is usually active low, so initialize it high */
- digitalWrite(CS, HIGH);
+ /* NSS is usually active LOW, so initialize it HIGH */
+ digitalWrite(NSS, HIGH);
- /* Initialize SPI */
+ /* Initialize SPI */
spi1.begin(SPI_4_5MHZ, LSBFIRST, 0);
}
void loop() {
- /* Send message */
- digitalWrite(CS, LOW);
- spi1.send(buf, sizeof buf);
- digitalWrite(CS,HIGH);
+ /* Send message */
+ digitalWrite(NSS, LOW);
+ spi1.write(buf, sizeof buf);
+ digitalWrite(NSS, HIGH);
delay(1000);
}
@@ -68,7 +69,7 @@ __attribute__((constructor)) void premain() {
int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;
diff --git a/examples/test-dac.cpp b/examples/test-dac.cpp
index ba766a4..40ae5d5 100644
--- a/examples/test-dac.cpp
+++ b/examples/test-dac.cpp
@@ -13,7 +13,7 @@ uint16 count = 0;
void setup() {
pinMode(BOARD_LED_PIN, OUTPUT);
- digitalWrite(BOARD_LED_PIN,1);
+ digitalWrite(BOARD_LED_PIN, HIGH);
Serial1.begin(9600);
Serial1.println("**** Beginning DAC test");
@@ -36,11 +36,14 @@ void loop() {
dac_write_channel(DAC, 2, count);
}
-int main(void) {
+__attribute__((constructor)) void premain() {
init();
+}
+
+int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;
diff --git a/examples/test-ring-buffer-insertion.cpp b/examples/test-ring-buffer-insertion.cpp
index 8372a96..e86372a 100644
--- a/examples/test-ring-buffer-insertion.cpp
+++ b/examples/test-ring-buffer-insertion.cpp
@@ -4,7 +4,7 @@
* Does a basic test of functionality on rb_full_count(), rb_reset(),
* rb_push_insert(), and rb_safe_insert().
*
- * To test (no external hardware required):
+ * To test:
*
* - Connect a serial monitor to SerialUSB
* - Press any key
diff --git a/examples/test-serial-flush.cpp b/examples/test-serial-flush.cpp
index 6c4e100..adc9c3e 100644
--- a/examples/test-serial-flush.cpp
+++ b/examples/test-serial-flush.cpp
@@ -4,23 +4,21 @@
#include "wirish.h"
-#define COMM Serial1
-
void setup() {
- COMM.begin(9600);
- COMM.println("Hello world!");
+ Serial1.begin(9600);
+ Serial1.println("Hello world!");
}
void loop() {
- COMM.println("Waiting for multiple input...");
- while (COMM.available() < 5)
+ Serial1.println("Waiting for multiple input...");
+ while (Serial1.available() < 5)
;
- COMM.println(COMM.read());
- COMM.println(COMM.read());
- COMM.flush();
+ Serial1.println(Serial1.read());
+ Serial1.println(Serial1.read());
+ Serial1.flush();
- if (COMM.available()) {
- COMM.println("FAIL! Still had junk in the buffer...");
+ if (Serial1.available()) {
+ Serial1.println("FAIL! Still had junk in the buffer...");
}
}
diff --git a/examples/test-serialusb.cpp b/examples/test-serialusb.cpp
index 678c2b9..15ab913 100644
--- a/examples/test-serialusb.cpp
+++ b/examples/test-serialusb.cpp
@@ -3,27 +3,24 @@
#include "wirish.h"
#include "usb.h"
-#define LED_PIN BOARD_LED_PIN
-#define BUT_PIN BOARD_BUTTON_PIN
-
-uint32 state = 0;
#define QUICKPRINT 0
#define BIGSTUFF 1
#define NUMBERS 2
#define SIMPLE 3
#define ONOFF 4
+uint32 state = 0;
+
void setup() {
/* Set up the LED to blink */
- pinMode(LED_PIN, OUTPUT);
-
- /* Set up the Button */
- pinMode(BUT_PIN, INPUT);
+ pinMode(BOARD_LED_PIN, OUTPUT);
+ /* Set up Serial2 for use as a debug channel */
Serial2.begin(9600);
- Serial2.println("This is the debug channel. Press BUT.");
-
- waitForButtonPress(0);
+ Serial2.println("This is the debug channel. Press any key.");
+ while (!Serial2.available())
+ ;
+ Serial2.read();
}
uint8 c1 = '-';
@@ -32,14 +29,15 @@ void loop() {
toggleLED();
delay(1000);
- if(isButtonPressed()) {
+ if (Serial2.available()) {
+ Serial2.read();
state++;
}
- switch(state) {
+ switch (state) {
case QUICKPRINT:
- for(int i = 0; i<30; i++) {
- usbSendBytes(&c1,1);
+ for (int i = 0; i < 30; i++) {
+ usbSendBytes(&c1, 1);
SerialUSB.print('.');
SerialUSB.print('|');
}
@@ -121,9 +119,8 @@ __attribute__((constructor)) void premain() {
int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;
}
-
diff --git a/examples/test-systick.cpp b/examples/test-systick.cpp
index bbf0adf..78c7307 100644
--- a/examples/test-systick.cpp
+++ b/examples/test-systick.cpp
@@ -1,16 +1,11 @@
// Tests the SysTick enable/disable functions
-//
+
#include "wirish.h"
#include "systick.h"
-#define LED_PIN BOARD_LED_PIN
-#define PWM_PIN 2
-#define BUT BOARD_BUTTON_PIN
-
void setup() {
- /* Set up the LED to blink */
- pinMode(LED_PIN, OUTPUT);
- pinMode(BUT, INPUT);
+ pinMode(BOARD_LED_PIN, OUTPUT);
+ pinMode(BOARD_BUTTON_PIN, INPUT);
}
bool disable = true;
@@ -24,7 +19,7 @@ void loop() {
for(i = 0; i < 150000; i++)
;
- if(isButtonPressed()) {
+ if (isButtonPressed()) {
if (disable) {
systick_disable();
SerialUSB.println("Disabling SysTick");
@@ -47,7 +42,7 @@ __attribute__((constructor)) void premain() {
int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;
diff --git a/examples/test-timers.cpp b/examples/test-timers.cpp
index a4fbc8a..545597f 100644
--- a/examples/test-timers.cpp
+++ b/examples/test-timers.cpp
@@ -26,7 +26,7 @@ uint16 val2 = 10000;
uint16 val3 = 10000;
uint16 val4 = 10000;
-// FIXME high density timer test (especially basic timers + DAC)
+// FIXME [0.1.0] high density timer test (especially basic timers + DAC)
timer_dev *timers[] = {TIMER1, TIMER2, TIMER3, TIMER4};
voidFuncPtr handlers[] = {handler1, handler2, handler3, handler4};
@@ -46,7 +46,6 @@ void setup() {
// Send a message out Serial2
Serial2.begin(115200);
Serial2.println("*** Initializing timers...");
- Serial2.println("foo");
timer_foreach(initTimer);
Serial2.println("*** Done. Beginning timer test.");
}
@@ -110,7 +109,7 @@ void loop() {
testSetTimerPeriod(30000);
Serial2.println("Sanity check (with hand-coded reload and prescaler for "
- "72 MHz timers):");
+ "72 MHz timers):");
timer_set_mode(TIMER4, TIMER_CH1, TIMER_OUTPUT_COMPARE);
timer_set_prescaler(TIMER4, 33);
timer_set_reload(TIMER4, 65454);
@@ -238,7 +237,7 @@ void testTimerChannels(timer_dev *dev) {
}
}
-// FIXME move this into the new wirish timer implementation
+// FIXME [0.0.10] move this into the new wirish timer implementation
void setTimerPeriod(timer_dev *dev, uint32 period_us) {
if (!period_us) {
// FIXME handle this case
@@ -291,7 +290,7 @@ __attribute__((constructor)) void premain() {
int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;
diff --git a/examples/vga-leaf.cpp b/examples/vga-leaf.cpp
index 9d9fce2..e663639 100644
--- a/examples/vga-leaf.cpp
+++ b/examples/vga-leaf.cpp
@@ -28,18 +28,12 @@
Created 20 July 2010
By Bryan Newbold for LeafLabs
This code is released with no strings attached.
-
- Modified 4 March 2011
- By Marti Bolivar
- Disabled SysTick, kept up-to-date with libmaple.
*/
// FIXME: generalize for Native and Mini
#include "wirish.h"
-#define LED_PIN BOARD_LED_PIN
-
// Pinouts -- you also must change the GPIO macros below if you change
// these
#define VGA_R 6 // STM32: A8
@@ -110,7 +104,7 @@ uint32 logo[y_max][x_max] = {
void setup() {
// Setup our pins
- pinMode(LED_PIN, OUTPUT);
+ pinMode(BOARD_LED_PIN, OUTPUT);
pinMode(VGA_R, OUTPUT);
pinMode(VGA_G, OUTPUT);
pinMode(VGA_B, OUTPUT);
@@ -166,7 +160,6 @@ void loop() {
// Everything happens in the interrupts!
}
-
// This ISR will end horizontal sync for most of the image and
// setup the vertical sync for higher line counts
void isr_porch(void) {
@@ -174,22 +167,22 @@ void isr_porch(void) {
y++;
logo_y = map(y, 0, 478, 0, y_max);
// Back to the top
- if(y >= 523) {
+ if (y >= 523) {
y = 1;
logo_y = 0;
v_active = true;
return;
}
// Other vsync stuff below the image
- if(y >= 492) {
+ if (y >= 492) {
VGA_V_HIGH;
return;
}
- if(y >= 490) {
+ if (y >= 490) {
VGA_V_LOW;
return;
}
- if(y >= 479) {
+ if (y >= 479) {
v_active = false;
return;
}
@@ -207,7 +200,7 @@ void isr_start(void) {
VGA_R_HIGH;
// For each "pixel", go ON_COLOR or OFF_COLOR
- for(x = 0; x < 16; x++) {
+ for (x = 0; x < 16; x++) {
// setting the color several times is just an easy way to
// delay, so the image is wider. if you only do the following
// once, you'll be able to make the logo array a lot wider:
@@ -242,7 +235,7 @@ __attribute__((constructor)) void premain() {
int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;
diff --git a/examples/vga-scope.cpp b/examples/vga-scope.cpp
index 66e72e9..9aa8bcb 100644
--- a/examples/vga-scope.cpp
+++ b/examples/vga-scope.cpp
@@ -40,7 +40,6 @@
// FIXME: generalize for Native and Mini
-#define LED_PIN BOARD_LED_PIN
#define ANALOG_PIN 18
// Pinouts -- you also must change the GPIO macros below if you change
@@ -90,9 +89,9 @@ void isr_stop(void);
void isr_update(void);
void setup() {
- pinMode(LED_PIN, OUTPUT);
+ pinMode(BOARD_LED_PIN, OUTPUT);
pinMode(ANALOG_PIN, INPUT_ANALOG);
- digitalWrite(LED_PIN, 1);
+ digitalWrite(BOARD_LED_PIN, 1);
pinMode(VGA_R, OUTPUT);
pinMode(VGA_G, OUTPUT);
pinMode(VGA_B, OUTPUT);
@@ -138,26 +137,26 @@ void setup() {
uint16 y = 0;
uint16 val = 0;
bool v_active = true;
-const uint16 x_max = 60; // empirically (and lazily) determined
+const uint16 x_max = 60; // empirically (and sloppily) determined
void isr_porch(void) {
VGA_H_HIGH;
y++;
val = map(analogRead(ANALOG_PIN), 0, 4095, 0, x_max);
- if(y >= 523) {
+ if (y >= 523) {
y = 1;
v_active = true;
return;
}
- if(y >= 492) {
+ if (y >= 492) {
VGA_V_HIGH;
return;
}
- if(y >= 490) {
+ if (y >= 490) {
VGA_V_LOW;
return;
}
- if(y >= 479) {
+ if (y >= 479) {
v_active = false;
return;
}
@@ -199,7 +198,7 @@ __attribute__((constructor)) void premain() {
int main(void) {
setup();
- while (1) {
+ while (true) {
loop();
}
return 0;