Add PIO IRQ counter (and print it in 'c' command)

Make tc_cdiv_sync interrupt working
Add 'p' command to print some PIO inputs
Add 'z' command to enable/disable tc_cdiv_sync


git-svn-id: https://svn.openpcd.org:2342/trunk@324 6dc7ffe9-61d6-0310-9af1-9938baff3ed1

1 files changed, 8 insertions, 0 deletions

diff --git a/openpicc/application/pio_irq.c b/openpicc/application/pio_irq.c
index 572a4e4..c7238d8 100644
--- a/openpicc/application/pio_irq.c
+++ b/openpicc/application/pio_irq.c
@@ -38,6 +38,7 @@ struct pioirq_state {
 };
 
 static struct pioirq_state pirqs;
+static unsigned long count = 0;
 
 /* low-level handler, used by Cstartup_app.S PIOA fast forcing and
  * by regular interrupt handler below */
@@ -45,6 +46,7 @@ void __ramfunc __pio_irq_demux(u_int32_t pio)
 {
 	u_int8_t send_usb = 0;
 	int i;
+	count++;
 
 	DEBUGPCRF("PIO_ISR_STATUS = 0x%08x", pio);
 
@@ -101,6 +103,12 @@ void pio_irq_disable(u_int32_t pio)
 	AT91F_PIO_InterruptDisable(AT91C_BASE_PIOA, pio);
 }
 
+/* Return the number of PIO IRQs received */ 
+long pio_irq_get_count(void)
+{
+	return count;
+}
+
 int pio_irq_register(u_int32_t pio, irq_handler_t *handler)
 {
 	u_int8_t num = ffs(pio);