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px4-firmware
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Enable UART error handling on PX4IO.

This commit is contained in:
px4dev 2013-07-06 12:27:37 -07:00
parent 87a4f1507a
commit 4d400aa7e7
1 changed files with 3 additions and 4 deletions
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7
src/modules/px4iofirmware/serial.c
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@ -129,8 +129,8 @@ interface_init(void)
irq_attach(PX4FMU_SERIAL_VECTOR, serial_interrupt); irq_attach(PX4FMU_SERIAL_VECTOR, serial_interrupt);
up_enable_irq(PX4FMU_SERIAL_VECTOR); up_enable_irq(PX4FMU_SERIAL_VECTOR);
/* enable UART and DMA */ /* enable UART and error/idle interrupts */
/*rCR3 = USART_CR3_EIE; */ rCR3 = USART_CR3_EIE;
rCR1 = USART_CR1_RE | USART_CR1_TE | USART_CR1_UE | USART_CR1_IDLEIE; rCR1 = USART_CR1_RE | USART_CR1_TE | USART_CR1_UE | USART_CR1_IDLEIE;
#if 0 /* keep this for signal integrity testing */ #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 */ uint32_t sr = rSR; /* get UART status register */
(void)rDR; /* required to clear any of the interrupt status that brought us here */ (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 */ 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_NE | /* noise error - we have lost a byte due to noise */
USART_SR_FE)) { /* framing error - start/stop bit lost or line break */ 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 */ /* don't attempt to handle IDLE if it's set - things went bad */
return 0; return 0;
} }
#endif
if (sr & USART_SR_IDLE) { if (sr & USART_SR_IDLE) {
/* the packet might have been short - go check */ /* the packet might have been short - go check */