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chg: add some error messages in order to debug better.

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This commit is contained in:
iceman1001 2018-03-31 10:46:06 +02:00
commit 57337fe941
1 changed files with 6 additions and 2 deletions
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8
uart/uart_win32.c
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@ -62,9 +62,10 @@ serial_port uart_open(const char* pcPortName) {
char acPortName[255]; char acPortName[255];
serial_port_windows* sp = malloc(sizeof(serial_port_windows)); serial_port_windows* sp = malloc(sizeof(serial_port_windows));
if (sp == 0) if (sp == 0) {
printf("[!] UART failed to allocate memory\n");
return INVALID_SERIAL_PORT; return INVALID_SERIAL_PORT;
}
// Copy the input "com?" to "\\.\COM?" format // Copy the input "com?" to "\\.\COM?" format
sprintf(acPortName,"\\\\.\\%s", pcPortName); sprintf(acPortName,"\\\\.\\%s", pcPortName);
_strupr(acPortName); _strupr(acPortName);
@ -83,12 +84,14 @@ serial_port uart_open(const char* pcPortName) {
sp->dcb.DCBlength = sizeof(DCB); sp->dcb.DCBlength = sizeof(DCB);
if (!BuildCommDCBA("baud=115200 parity=N data=8 stop=1", &sp->dcb)) { if (!BuildCommDCBA("baud=115200 parity=N data=8 stop=1", &sp->dcb)) {
uart_close(sp); uart_close(sp);
printf("[!] UART error cdc setup\n");
return INVALID_SERIAL_PORT; return INVALID_SERIAL_PORT;
} }
// Update the active serial port // Update the active serial port
if (!SetCommState(sp->hPort, &sp->dcb)) { if (!SetCommState(sp->hPort, &sp->dcb)) {
uart_close(sp); uart_close(sp);
printf("[!] UART error while setting com state\n");
return INVALID_SERIAL_PORT; return INVALID_SERIAL_PORT;
} }
// all zero's configure: no timeout for read/write used. // all zero's configure: no timeout for read/write used.
@ -101,6 +104,7 @@ serial_port uart_open(const char* pcPortName) {
if (!SetCommTimeouts(sp->hPort, &sp->ct)) { if (!SetCommTimeouts(sp->hPort, &sp->ct)) {
uart_close(sp); uart_close(sp);
printf("[!] UART error while setting comm time outs\n");
return INVALID_SERIAL_PORT; return INVALID_SERIAL_PORT;
} }