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Smallest possible fix for PL2303HX

This commit is contained in:
Dawid Buchwald 2022-02-19 15:07:32 +01:00
parent d054c68b19
commit de19f203e0
1 changed files with 8 additions and 2 deletions
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10
src/updi_link.c
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@ -53,7 +53,7 @@ static void updi_set_rtsdtr_mode(PROGRAMMER* pgm)
static int updi_physical_open(PROGRAMMER* pgm, int baudrate, unsigned long cflags) static int updi_physical_open(PROGRAMMER* pgm, int baudrate, unsigned long cflags)
{ {
serial_recv_timeout = 100; serial_recv_timeout = 1000;
union pinfo pinfo; union pinfo pinfo;
pinfo.serialinfo.baud = baudrate; pinfo.serialinfo.baud = baudrate;
@ -155,6 +155,8 @@ static int updi_physical_send_double_break(PROGRAMMER * pgm)
serial_send(&pgm->fd, buffer, 1); serial_send(&pgm->fd, buffer, 1);
serial_recv(&pgm->fd, buffer, 1); serial_recv(&pgm->fd, buffer, 1);
serial_drain(&pgm->fd, 0);
if (serial_setparams(&pgm->fd, pgm->baudrate? pgm->baudrate: 115200, SERIAL_8E2) < 0) { if (serial_setparams(&pgm->fd, pgm->baudrate? pgm->baudrate: 115200, SERIAL_8E2) < 0) {
return -1; return -1;
} }
@ -196,10 +198,14 @@ int updi_physical_sib(PROGRAMMER * pgm, unsigned char * buffer, uint8_t size)
int updi_link_open(PROGRAMMER * pgm) int updi_link_open(PROGRAMMER * pgm)
{ {
char init_buffer[1];
if (updi_physical_open(pgm, pgm->baudrate? pgm->baudrate: 115200, SERIAL_8E2) < 0) { if (updi_physical_open(pgm, pgm->baudrate? pgm->baudrate: 115200, SERIAL_8E2) < 0) {
return -1; return -1;
} }
return updi_physical_send_double_break(pgm);
init_buffer[0]=UPDI_BREAK;
return updi_physical_send(pgm, init_buffer, 1);
} }
void updi_link_close(PROGRAMMER * pgm) void updi_link_close(PROGRAMMER * pgm)