diff options
Diffstat (limited to 'openpicc/application/tc_fdt.c')
| -rw-r--r-- | openpicc/application/tc_fdt.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/openpicc/application/tc_fdt.c b/openpicc/application/tc_fdt.c index 0193863..179ea98 100644 --- a/openpicc/application/tc_fdt.c +++ b/openpicc/application/tc_fdt.c @@ -55,9 +55,8 @@ void tc_frame_end_set(u_int16_t count) tcfdt->TC_RB = count; } -static void tc_fdt_irq(void) +static void tc_fdt_irq_inner(void) { - portSAVE_CONTEXT(); vLedSetGreen(1); u_int32_t sr = tcfdt->TC_SR; DEBUGP("tc_fdt_irq: TC2_SR=0x%08x TC2_CV=0x%08x ", @@ -84,6 +83,12 @@ static void tc_fdt_irq(void) DEBUGPCR(""); AT91F_AIC_AcknowledgeIt(); vLedSetGreen(0); +} + +static void tc_fdt_irq_outer(void) __attribute__ ((naked)); +static void tc_fdt_irq_outer(void) { + portSAVE_CONTEXT(); + tc_fdt_irq_inner(); portRESTORE_CONTEXT(); } @@ -125,7 +130,7 @@ void tc_fdt_init(void) AT91F_AIC_ConfigureIt(AT91C_ID_TC2, OPENPCD_IRQ_PRIO_TC_FDT, - AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, &tc_fdt_irq); + AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, &tc_fdt_irq_outer); AT91F_AIC_EnableIt(AT91C_ID_TC2); tcfdt->TC_IER = AT91C_TC_CPAS | AT91C_TC_CPBS | AT91C_TC_CPCS | |