diff options
Diffstat (limited to 'src/modules/px4iofirmware/serial.c')
| -rw-r--r-- | src/modules/px4iofirmware/serial.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/modules/px4iofirmware/serial.c b/src/modules/px4iofirmware/serial.c index 8742044c3..e4bc68f58 100644 --- a/src/modules/px4iofirmware/serial.c +++ b/src/modules/px4iofirmware/serial.c @@ -129,8 +129,8 @@ interface_init(void) irq_attach(PX4FMU_SERIAL_VECTOR, serial_interrupt); up_enable_irq(PX4FMU_SERIAL_VECTOR); - /* enable UART and DMA */ - /*rCR3 = USART_CR3_EIE; */ + /* enable UART and error/idle interrupts */ + rCR3 = USART_CR3_EIE; rCR1 = USART_CR1_RE | USART_CR1_TE | USART_CR1_UE | USART_CR1_IDLEIE; #if 0 /* keep this for signal integrity testing */ @@ -259,7 +259,6 @@ serial_interrupt(int irq, void *context) uint32_t sr = rSR; /* get UART status register */ (void)rDR; /* required to clear any of the interrupt status that brought us here */ -#if 0 if (sr & (USART_SR_ORE | /* overrun error - packet was too big for DMA or DMA was too slow */ USART_SR_NE | /* noise error - we have lost a byte due to noise */ USART_SR_FE)) { /* framing error - start/stop bit lost or line break */ @@ -278,7 +277,7 @@ serial_interrupt(int irq, void *context) /* don't attempt to handle IDLE if it's set - things went bad */ return 0; } -#endif + if (sr & USART_SR_IDLE) { /* the packet might have been short - go check */ |