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-rw-r--r--Makefile2
-rw-r--r--examples/spi_master.cpp1
-rw-r--r--examples/test-session.cpp6
-rw-r--r--libmaple/usb/usb.c41
-rw-r--r--libmaple/usb/usb_callbacks.c8
-rw-r--r--libmaple/usb/usb_callbacks.h8
-rw-r--r--main.cpp.example10
-rw-r--r--wirish/Print.cpp8
-rw-r--r--wirish/Print.h2
-rw-r--r--wirish/WProgram.h3
-rw-r--r--wirish/usb_serial.cpp (renamed from wirish/comm/HardwareUsb.cpp)50
-rw-r--r--wirish/usb_serial.h (renamed from wirish/comm/HardwareUsb.h)38
-rw-r--r--wirish/wirish.h6
13 files changed, 101 insertions, 82 deletions
diff --git a/Makefile b/Makefile
index 3917e35..c26027c 100644
--- a/Makefile
+++ b/Makefile
@@ -91,8 +91,8 @@ CSRC = libmaple/systick.c \
CPPSRC = wirish/wirish_math.cpp \
wirish/Print.cpp \
wirish/comm/HardwareSerial.cpp \
- wirish/comm/HardwareUsb.cpp \
wirish/comm/HardwareSPI.cpp \
+ wirish/usb_serial.cpp \
wirish/cxxabi-compat.cpp \
main.cpp
diff --git a/examples/spi_master.cpp b/examples/spi_master.cpp
index 19679f7..2b62c8d 100644
--- a/examples/spi_master.cpp
+++ b/examples/spi_master.cpp
@@ -33,7 +33,6 @@
*/
#include "wirish.h"
-#include "HardwareSPI.h"
#define CS 10
diff --git a/examples/test-session.cpp b/examples/test-session.cpp
index 3d86dc6..78b1d31 100644
--- a/examples/test-session.cpp
+++ b/examples/test-session.cpp
@@ -23,16 +23,10 @@
* ****************************************************************************/
#include "wirish.h"
-#include "HardwareSerial.h"
-#include "HardwareUsb.h"
-#include <math.h>
-#include "usb.h"
#define LED_PIN 13
#define PWM_PIN 2
-HardwareUsb Usb;
-
uint8 input = 0;
uint8 tiddle = 0;
int toggle = 0;
diff --git a/libmaple/usb/usb.c b/libmaple/usb/usb.c
index f926e81..b7d2d93 100644
--- a/libmaple/usb/usb.c
+++ b/libmaple/usb/usb.c
@@ -26,7 +26,7 @@
* @file usb.c
*
* @brief usb-specific hardware setup, NVIC, clocks, and usb activities
- * in the pre-attached state. includes some of the lower level callbacks
+ * in the pre-attached state. includes some of the lower level callbacks
* needed by the usb library, like suspend,resume,init,etc
*/
@@ -46,13 +46,13 @@ volatile uint32 bDeviceState = UNCONNECTED;
volatile uint16 wIstr = 0;
volatile bIntPackSOF = 0;
-DEVICE Device_Table =
+DEVICE Device_Table =
{
NUM_ENDPTS,
1
};
-DEVICE_PROP Device_Property =
+DEVICE_PROP Device_Property =
{
usbInit,
usbReset,
@@ -69,7 +69,7 @@ DEVICE_PROP Device_Property =
bMaxPacketSize
};
-USER_STANDARD_REQUESTS User_Standard_Requests =
+USER_STANDARD_REQUESTS User_Standard_Requests =
{
NOP_Process,
usbSetConfiguration,
@@ -83,7 +83,7 @@ USER_STANDARD_REQUESTS User_Standard_Requests =
};
void (*pEpInt_IN[7])(void) =
-{
+{
vcomDataTxCb,
vcomManagementCb,
NOP_Process,
@@ -218,7 +218,7 @@ RESULT usbPowerOff(void) {
_SetISTR(0);
_SetCNTR(CNTR_FRES + CNTR_PDWN);
- /* note that all weve done here is powerdown the
+ /* note that all weve done here is powerdown the
usb peripheral. we have no disabled the clocks,
pulled the usb_disc pin back up, or reset the
application state machines */
@@ -370,15 +370,18 @@ void usbWaitReset(void) {
systemHardReset();
}
-/* copies data out of sendBuf into the packet memory for
- usb, but waits until any previous usb transmissions have
+/* copies data out of sendBuf into the packet memory for
+ usb, but waits until any previous usb transmissions have
completed before doing this. It returns without waiting
for its data to be sent. most efficient when 64 bytes are copied
- at a time. users responsible for not overflowing sendbuf
+ at a time. users responsible for not overflowing sendbuf
with len! if > 64 bytes are being sent, then the function
will block at every 64 byte packet
*/
int16 usbSendBytes(uint8* sendBuf, uint16 len) {
+ /* Block for any pending writes */
+ while (countTx)
+ ;
/* while (countTx != 0) { */
/* if (reset_state == NDTR_NRTS) { */
/* return 0; */
@@ -390,7 +393,7 @@ int16 usbSendBytes(uint8* sendBuf, uint16 len) {
}
/* ideally we should wait here, but it gets stuck
- for some reason. countTx wont decrement when
+ for some reason. countTx wont decrement when
theres no host side port reading the data, this is
known, but even if we add the check for NDTR_NRTS it
still gets stuck...*/
@@ -398,16 +401,18 @@ int16 usbSendBytes(uint8* sendBuf, uint16 len) {
return 0; /* indicated to caller to keep trying, were just busy */
}
- uint16 sent = len;
+ uint16 sent = len;
while (len > VCOM_TX_EPSIZE) {
countTx = VCOM_TX_EPSIZE;
UserToPMABufferCopy(sendBuf,VCOM_TX_ADDR,VCOM_TX_EPSIZE);
- _SetEPTxCount(VCOM_TX_ENDP,VCOM_TX_EPSIZE);
+ _SetEPTxCount(VCOM_TX_ENDP, VCOM_TX_EPSIZE);
_SetEPTxValid(VCOM_TX_ENDP);
- while(countTx != 0);
+ while (countTx)
+ ;
+
len -= VCOM_TX_EPSIZE;
sendBuf += VCOM_TX_EPSIZE;
}
@@ -418,7 +423,7 @@ int16 usbSendBytes(uint8* sendBuf, uint16 len) {
_SetEPTxCount(VCOM_TX_ENDP,len);
_SetEPTxValid(VCOM_TX_ENDP);
}
-
+
return sent;
}
@@ -427,15 +432,15 @@ uint8 usbBytesAvailable(void) {
return VCOM_RX_EPSIZE - maxNewBytes;
}
-/* copies len bytes from the local recieve FIFO (not
- usb packet buffer) into recvBuf and deq's the fifo.
- will only copy the minimum of len or the available
+/* copies len bytes from the local recieve FIFO (not
+ usb packet buffer) into recvBuf and deq's the fifo.
+ will only copy the minimum of len or the available
bytes. returns the number of bytes copied */
uint8 usbReceiveBytes(uint8* recvBuf, uint8 len) {
if (len > VCOM_RX_EPSIZE - maxNewBytes) {
len = VCOM_RX_EPSIZE - maxNewBytes;
}
-
+
int i;
for (i=0;i<len;i++) {
recvBuf[i] = (uint8)(vcomBufferRx[recvBufOut]);
diff --git a/libmaple/usb/usb_callbacks.c b/libmaple/usb/usb_callbacks.c
index 08d62c5..5c4a386 100644
--- a/libmaple/usb/usb_callbacks.c
+++ b/libmaple/usb/usb_callbacks.c
@@ -32,10 +32,10 @@ USB_Line_Coding line_coding = {
};
uint8 vcomBufferRx[VCOM_RX_EPSIZE];
-uint8 countTx = 0;
-uint8 recvBufIn = 0;
-uint8 recvBufOut = 0;
-uint8 maxNewBytes = VCOM_RX_EPSIZE;
+volatile uint8 countTx = 0;
+volatile uint8 recvBufIn = 0;
+volatile uint8 recvBufOut = 0;
+volatile uint8 maxNewBytes = VCOM_RX_EPSIZE;
RESET_STATE reset_state = START;
diff --git a/libmaple/usb/usb_callbacks.h b/libmaple/usb/usb_callbacks.h
index f8a2ef3..ed57fa1 100644
--- a/libmaple/usb/usb_callbacks.h
+++ b/libmaple/usb/usb_callbacks.h
@@ -34,11 +34,11 @@ typedef enum {
} RESET_STATE;
extern RESET_STATE reset_state; /* tracks DTR/RTS */
-extern uint8 countTx;
+extern volatile uint8 countTx;
extern uint8 vcomBufferRx[VCOM_RX_EPSIZE]; /* no reason this has to be VCOM_RX_EPSIZE, could be bigger */
-extern uint8 recvBufIn; /* the FIFO in index to the recvbuffer */
-extern uint8 recvBufOut; /* the FIFO out index to the recvbuffer */
-extern uint8 maxNewBytes;
+extern volatile uint8 recvBufIn; /* the FIFO in index to the recvbuffer */
+extern volatile uint8 recvBufOut; /* the FIFO out index to the recvbuffer */
+extern volatile uint8 maxNewBytes;
void vcomDataTxCb(void);
void vcomDataRxCb(void);
diff --git a/main.cpp.example b/main.cpp.example
index 67380ae..18966da 100644
--- a/main.cpp.example
+++ b/main.cpp.example
@@ -23,13 +23,11 @@
* ****************************************************************************/
/**
- * @brief Sample main.cpp file. Blinks an LED, sends a message out USART2
- * and turns on PWM on pin 2
+ * @brief Sample main.cpp file. Blinks an LED, sends a message out USART2 and the,
+ * USB virtual serial port, and turns on PWM on pin 2
*/
#include "wirish.h"
-#include "HardwareSerial.h"
-#include "usb.h"
#define LED_PIN 13
#define PWM_PIN 2
@@ -43,10 +41,12 @@ void setup()
Serial2.begin(9600);
Serial2.println("Hello world!");
+ /* Send a message out the usb virtual serial port */
+ SerialUSB.println("Hello!");
+
/* Turn on PWM on pin PWM_PIN */
pinMode(PWM_PIN, PWM);
pwmWrite(PWM_PIN, 0x8000);
-
}
int toggle = 0;
diff --git a/wirish/Print.cpp b/wirish/Print.cpp
index 5a1bc93..9baa757 100644
--- a/wirish/Print.cpp
+++ b/wirish/Print.cpp
@@ -32,10 +32,12 @@ void Print::write(const char *str)
}
/* default implementation: may be overridden */
-void Print::write(const uint8 *buffer, uint32 size)
+void Print::write(void *buffer, uint32 size)
{
- while (size--)
- write(*buffer++);
+ uint8 *ch = (uint8*)buffer;
+ while (size--) {
+ write(*ch++);
+ }
}
void Print::print(uint8 b)
diff --git a/wirish/Print.h b/wirish/Print.h
index b2f8647..72208b4 100644
--- a/wirish/Print.h
+++ b/wirish/Print.h
@@ -36,7 +36,7 @@ class Print
public:
virtual void write(uint8) = 0;
virtual void write(const char *str);
- virtual void write(const uint8 *buffer, uint32 size);
+ virtual void write(void *, uint32);
void print(char);
void print(const char[]);
void print(uint8);
diff --git a/wirish/WProgram.h b/wirish/WProgram.h
index 889219e..9143991 100644
--- a/wirish/WProgram.h
+++ b/wirish/WProgram.h
@@ -23,9 +23,6 @@
* ****************************************************************************/
#include "wirish.h"
-#include "HardwareSerial.h"
-#include "HardwareUsb.h"
-#include "math.h"
void setup();
void loop();
diff --git a/wirish/comm/HardwareUsb.cpp b/wirish/usb_serial.cpp
index 064bcc8..9476e99 100644
--- a/wirish/comm/HardwareUsb.cpp
+++ b/wirish/usb_serial.cpp
@@ -1,7 +1,7 @@
/* *****************************************************************************
* The MIT License
*
- * Copyright (c) 2010 Andrew Meyer.
+ * 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
@@ -23,38 +23,50 @@
* ****************************************************************************/
/**
- * @brief Wiring like serial api to USB virtual COM
+ * @brief wirish usb class for easy goin communication, uses libmaple's
+ * virtual com port implementation
*/
+#include <string.h>
+
#include "wirish.h"
-#include "HardwareUsb.h"
#include "usb.h"
-HardwareUsb::HardwareUsb(void) {
+USBSerial :: USBSerial(void) {
}
-uint8 HardwareUsb::read(void) {
- uint8 outVal;
- usbReceiveBytes(&outVal,1);
- return outVal;
+void USBSerial::write(uint8 ch) {
+ usbSendBytes(&ch, 1);
}
-uint8 HardwareUsb::available(void) {
- return usbBytesAvailable();
+void USBSerial::write(const char *str) {
+ uint32 len = strlen(str);
+ usbSendBytes((uint8*)str, len);
}
-void HardwareUsb::flush(void) {
- uint8 totalBytes = usbBytesAvailable();
- uint8 recvBuf[totalBytes];
- usbReceiveBytes(recvBuf,totalBytes);
+void USBSerial::write(void *buf, uint32 size) {
+ if (!buf) {
+ return;
+ }
+ usbSendBytes((uint8*)buf, size);
}
-void HardwareUsb::write(unsigned char ch) {
- while (usbSendBytes(&ch, 1) == 0);
+uint32 USBSerial::available(void) {
+ return usbBytesAvailable();
}
-void HardwareUsb::begin(void) {
- /* placeholder for usb<->uart linking */
+uint32 USBSerial::read(void *buf, uint32 len) {
+ if (!buf) {
+ return 0;
+ }
+
+ return usbReceiveBytes((uint8*)buf, len);
}
-HardwareUsb Usb;
+uint8 USBSerial::read(void) {
+ uint8 ch;
+ return usbReceiveBytes(&ch, 1);
+}
+
+USBSerial SerialUSB;
+
diff --git a/wirish/comm/HardwareUsb.h b/wirish/usb_serial.h
index e2af2e2..e1c61ff 100644
--- a/wirish/comm/HardwareUsb.h
+++ b/wirish/usb_serial.h
@@ -1,7 +1,7 @@
/* *****************************************************************************
* The MIT License
*
- * Copyright (c) 2010 Andrew Meyer.
+ * 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
@@ -23,26 +23,30 @@
* ****************************************************************************/
/**
- * @brief Wiring like serial api to USB virtual COM. Dummy implmentation wrapping printChar() around usb.h for now. Todo: something better.
+ * @brief wirish usb class for easy goin communication, uses libmaple's
+ * virtual com port implementation
*/
-#ifndef _HARDWAREUSB_H_
-#define _HARDWAREUSB_H_
+#ifndef _USB_SERIAL_H_
+#define _USB_SERIAL_H_
#include "Print.h"
-#include "usb.h"
-
-class HardwareUsb : public Print {
- public:
- HardwareUsb(void);
- void begin();
- uint8 available(void);
- uint8 read(void);
- void flush(void);
- virtual void write(unsigned char);
- using Print::write;
+
+class USBSerial : public Print {
+ public:
+ USBSerial(void);
+
+ uint32 available(void);
+
+ uint32 read(void *buf, uint32 len);
+ uint8 read(void);
+
+ void write(uint8);
+ void write(const char *str);
+ void write(void *, uint32);
};
-extern HardwareUsb Usb;
+extern USBSerial SerialUSB;
+
+#endif
-#endif //_HARDWAREUSB_H/* *****************************************************************************
diff --git a/wirish/wirish.h b/wirish/wirish.h
index f54517a..2541e5e 100644
--- a/wirish/wirish.h
+++ b/wirish/wirish.h
@@ -41,6 +41,12 @@
#include "wirish_math.h"
#ifdef __cplusplus
+#include "HardwareSPI.h"
+#include "HardwareSerial.h"
+#include "usb_serial.h"
+#endif
+
+#ifdef __cplusplus
extern "C"{
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 10:36:23 +0000