ManuelW/grbl-LPC-CoreXY
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Soft reset on DTR change

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This commit is contained in:
Todd Fleming
2017-01-16 14:20:52 -05:00
parent e0438230b5
commit 3ebbfa4dd3
4 changed files with 29 additions and 11 deletions
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15
VCOM_lib/usbSerial.c
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@ -86,6 +86,7 @@ static U8 txdata[VCOM_FIFO_SIZE];
static fifo_t txfifo;
//static fifo_t rxfifo;
static UsbSerialLineStateCallback* usbSerialLineStateCallback = nullptr;
static UsbSerialReadCallback* usbSerialReadCallback = nullptr;
// forward declaration of interrupt handler
@ -299,10 +300,13 @@ static BOOL HandleClassRequest(TSetupPacket *pSetup, int *piLen, U8 **ppbData)
break;
// set control line state
case SET_CONTROL_LINE_STATE:
// bit0 = DTR, bit = RTS
break;
case SET_CONTROL_LINE_STATE: {
bool dtr = (pSetup->wValue >> 0) & 1;
bool rts = (pSetup->wValue >> 1) & 1;
if (usbSerialLineStateCallback)
usbSerialLineStateCallback(dtr, rts);
break;
}
default:
return FALSE;
@ -376,8 +380,9 @@ void enable_USB_interrupts(void);
main
====
**************************************************************************/
int usbSerialInit(UsbSerialReadCallback* usbSerialReadCallback)
int usbSerialInit(UsbSerialLineStateCallback* usbSerialLineStateCallback, UsbSerialReadCallback* usbSerialReadCallback)
{
::usbSerialLineStateCallback = usbSerialLineStateCallback;
::usbSerialReadCallback = usbSerialReadCallback;
// initialise stack

5
VCOM_lib/usbSerial.h
View File

@ -98,10 +98,13 @@ void VCOM_gets_echo(char *str); // gets string terminated in '\r' or '\n' and ec
#include "serial_fifo.h"
// Receives line state. Called by an interrupt.
typedef void UsbSerialLineStateCallback(bool dtr, bool rts);
// Receives serial data. Called by an interrupt.
typedef void UsbSerialReadCallback(const U8* data, unsigned len);
int usbSerialInit(UsbSerialReadCallback* usbSerialReadCallback); // run once in main b4 main loop starts.
int usbSerialInit(UsbSerialLineStateCallback* usbSerialLineStateCallback, UsbSerialReadCallback* usbSerialReadCallback); // run once in main b4 main loop starts.
/*
Writes one character to VCOM port