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Implemented extended parameter for RTS/DTR lines management

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This commit is contained in:
Dawid Buchwald
2022-01-08 10:04:25 +01:00
parent c71fab0889
commit 1631fc4dd8
5 changed files with 93 additions and 14 deletions
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44
src/updi_link.c
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@@ -39,9 +39,16 @@
#include "updi_constants.h"
#include "updi_state.h"
static void msleep(int tms)
static void updi_set_rtsdtr_mode(PROGRAMMER* pgm)
{
usleep(tms * 1000);
updi_rts_mode rts_mode = updi_get_rts_mode(pgm);
if (rts_mode == RTS_MODE_DEFAULT) {
return;
}
serial_set_dtr_rts(&pgm->fd, 0);
serial_set_dtr_rts(&pgm->fd, rts_mode == RTS_MODE_LOW ? 1 : 0);
}
static int updi_physical_open(PROGRAMMER* pgm, int baudrate, unsigned long cflags)
@@ -65,11 +72,17 @@ static int updi_physical_open(PROGRAMMER* pgm, int baudrate, unsigned long cflag
*/
serial_drain(&pgm->fd, 0);
/*
* set RTS/DTR mode if needed
*/
updi_set_rtsdtr_mode(pgm);
return 0;
}
static void updi_physical_close(PROGRAMMER* pgm)
{
serial_set_dtr_rts(&pgm->fd, 0);
serial_close(&pgm->fd);
pgm->fd.ifd = -1;
}
@@ -124,28 +137,31 @@ static int updi_physical_send_double_break(PROGRAMMER * pgm)
avrdude_message(MSG_DEBUG, "%s: Sending double break\n", progname);
updi_physical_close(pgm);
if (updi_physical_open(pgm, 300, SERIAL_8E1)==-1) {
if (serial_setparams(&pgm->fd, 300, SERIAL_8E1) < 0) {
return -1;
}
buffer[0] = UPDI_BREAK;
serial_send(&pgm->fd, buffer, 1);
serial_recv(&pgm->fd, buffer, 1);
msleep(100);
updi_set_rtsdtr_mode(pgm);
buffer[0] = UPDI_BREAK;
serial_send(&pgm->fd, buffer, 1);
serial_recv(&pgm->fd, buffer, 1);
updi_physical_close(pgm);
usleep(100*1000);
return updi_physical_open(pgm, pgm->baudrate? pgm->baudrate: 115200, SERIAL_8E2);
buffer[0] = UPDI_BREAK;
serial_send(&pgm->fd, buffer, 1);
serial_recv(&pgm->fd, buffer, 1);
if (serial_setparams(&pgm->fd, pgm->baudrate? pgm->baudrate: 115200, SERIAL_8E2) < 0) {
return -1;
}
updi_set_rtsdtr_mode(pgm);
return 0;
}
int updi_physical_sib(PROGRAMMER * pgm, unsigned char * buffer, uint8_t size)