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Code Issues Wiki Activity

serialUARTInit: allow missing rx/tx pin

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This commit is contained in:
Martin 2017-03-17 11:10:48 -04:00
parent dcdaa6c7ad
commit 473826760d
3 changed files with 8 additions and 8 deletions
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6
src/main/drivers/serial_uart_stm32f30x.c
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@ -115,7 +115,7 @@ static void handleUsartTxDma(dmaChannelDescriptor_t* descriptor)
void serialUARTInit(IO_t tx, IO_t rx, portMode_t mode, portOptions_t options, uint8_t af, uint8_t index)
{
if (options & SERIAL_BIDIR) {
if ((options & SERIAL_BIDIR) && tx) {
ioConfig_t ioCfg = IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz,
((options & SERIAL_INVERTED) || (options & SERIAL_BIDIR_PP)) ? GPIO_OType_PP : GPIO_OType_OD,
((options & SERIAL_INVERTED) || (options & SERIAL_BIDIR_PP)) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP
@ -128,12 +128,12 @@ void serialUARTInit(IO_t tx, IO_t rx, portMode_t mode, portOptions_t options, ui
IOLo(tx); // OpenDrain output should be inactive
} else {
ioConfig_t ioCfg = IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz, GPIO_OType_PP, (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP);
if (mode & MODE_TX) {
if ((mode & MODE_TX) && tx) {
IOInit(tx, OWNER_SERIAL_TX, index);
IOConfigGPIOAF(tx, ioCfg, af);
}
if (mode & MODE_RX) {
if ((mode & MODE_RX) && rx) {
IOInit(rx, OWNER_SERIAL_RX, index);
IOConfigGPIOAF(rx, ioCfg, af);
}