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SSC: Inclode Overrun in statistics

This commit is contained in:
Harald Welte 2012-03-06 10:48:33 +01:00
parent 31d11c2bf8
commit 3745d083f6
1 changed files with 17 additions and 1 deletions
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18
firmware/src/osdr_ssc.c
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@ -91,6 +91,7 @@ struct ssc_state {
int active;
uint32_t total_xfers;
uint32_t total_irqs;
uint32_t total_ovrun;
};
struct ssc_state ssc_state;
@ -236,7 +237,15 @@ void HDMA_IrqHandler(void)
void ssc_stats(void)
{
printf("SSC num_irq=%u, num_xfers=%u\n\r", ssc_state.total_irqs, ssc_state.total_xfers);
printf("SSC num_irq=%u, num_xfers=%u, num_ovrun=%u\n\r",
ssc_state.total_irqs, ssc_state.total_xfers,
ssc_state.total_ovrun);
}
void SSC0_IrqHandler(void)
{
if (AT91C_BASE_SSC0->SSC_SR & AT91C_SSC_OVRUN)
ssc_state.total_ovrun++;
}
int ssc_active(void)
@ -293,6 +302,13 @@ int ssc_init(void)
AT91C_SSC_CKI,
AT91C_SSC_MSBF | (32-1) );
SSC_DisableInterrupts(AT91C_BASE_SSC0, 0xffffffff);
SSC_EnableInterrupts(AT91C_BASE_SSC0, AT91C_SSC_OVRUN);
/* Enable Overrun interrupts */
IRQ_ConfigureIT(AT91C_ID_SSC0, 0, SSC0_IrqHandler);
IRQ_EnableIT(AT91C_ID_SSC0);
/* Enable DMA controller and register interrupt handler */
PMC_EnablePeripheral(AT91C_ID_HDMA);
DMA_Enable();