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| author | px4dev <px4@purgatory.org> | 2013-07-06 12:27:37 -0700 |
|---|---|---|
| committer | px4dev <px4@purgatory.org> | 2013-07-06 12:27:37 -0700 |
| commit | 4d400aa7e75aa091fb649bbeaf0a2d6a644c177c (patch) | |
| tree | fbd54c773d55b090726fe079802d562b9e55495c /src/modules/px4iofirmware/serial.c | |
| parent | 87a4f1507a3bca4bcae870b13ff5416669ededf0 (diff) | |
| download | px4-firmware-4d400aa7e75aa091fb649bbeaf0a2d6a644c177c.tar.gz px4-firmware-4d400aa7e75aa091fb649bbeaf0a2d6a644c177c.tar.bz2 px4-firmware-4d400aa7e75aa091fb649bbeaf0a2d6a644c177c.zip | |
Enable UART error handling on PX4IO.
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 */ |