dash/proxmark3
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

chg: reconfigure uart timeouts when compiled for FPC and connecting over USB.

Browse Source
This commit is contained in:
iceman1001
2019-04-30 12:57:44 +02:00
parent 481d70b0da
commit e1063e2836
5 changed files with 54 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
uart/uart_win32.c
View File

@@ -48,6 +48,24 @@ typedef struct {
COMMTIMEOUTS ct; // Serial port time-out configuration
} serial_port_windows;
bool uart_reconfigure_timeouts(serial_port *sp, uint32_t value) {
serial_port_windows *spw = (serial_port_windows*)sp;
spw->ct.ReadIntervalTimeout = value;
spw->ct.ReadTotalTimeoutMultiplier = 0;
spw->ct.ReadTotalTimeoutConstant = value;
spw->ct.WriteTotalTimeoutMultiplier = value;
spw->ct.WriteTotalTimeoutConstant = 0;
if (!SetCommTimeouts(spw->hPort, &spw->ct)) {
uart_close(spw);
printf("[!] UART error while setting comm time outs\n");
return INVALID_SERIAL_PORT;
}
PurgeComm(spw->hPort, PURGE_RXABORT | PURGE_RXCLEAR);
}
serial_port uart_open(const char *pcPortName, uint32_t speed) {
char acPortName[255] = {0};
serial_port_windows *sp = calloc(sizeof(serial_port_windows), sizeof(uint8_t));
@@ -84,30 +102,8 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
printf("[!] UART error while setting com state\n");
return INVALID_SERIAL_PORT;
}
// all zero's configure: no timeout for read/write used.
// took settings from libnfc/buses/uart.c
#ifdef WITH_FPC
// Still relevant?
sp->ct.ReadIntervalTimeout = 150; //200;
sp->ct.ReadTotalTimeoutMultiplier = 0;
sp->ct.ReadTotalTimeoutConstant = 150; //200;
sp->ct.WriteTotalTimeoutMultiplier = 150; //200;
sp->ct.WriteTotalTimeoutConstant = 0;
#else
sp->ct.ReadIntervalTimeout = 30;
sp->ct.ReadTotalTimeoutMultiplier = 0;
sp->ct.ReadTotalTimeoutConstant = 30;
sp->ct.WriteTotalTimeoutMultiplier = 30;
sp->ct.WriteTotalTimeoutConstant = 0;
#endif
if (!SetCommTimeouts(sp->hPort, &sp->ct)) {
uart_close(sp);
printf("[!] UART error while setting comm time outs\n");
return INVALID_SERIAL_PORT;
}
PurgeComm(sp->hPort, PURGE_RXABORT | PURGE_RXCLEAR);
uart_reconfigure_timeouts(sp, UART_FPC_CLIENT_RX_TIMEOUT_MS);
if (!uart_set_speed(sp, speed)) {
// trying some fallbacks automatically
@@ -154,6 +150,7 @@ bool uart_set_speed(serial_port sp, const uint32_t uiPortSpeed) {
PurgeComm(spw->hPort, PURGE_RXABORT | PURGE_RXCLEAR);
if (result)
conn.uart_speed = uiPortSpeed;
return result;
}