diff options
Diffstat (limited to 'openpicc/application')
| -rw-r--r-- | openpicc/application/pio_irq.c | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/openpicc/application/pio_irq.c b/openpicc/application/pio_irq.c index 04763a3..5359bbf 100644 --- a/openpicc/application/pio_irq.c +++ b/openpicc/application/pio_irq.c @@ -41,7 +41,7 @@ struct pioirq_state { static struct pioirq_state pirqs; static unsigned long count = 0; -/* This FIQ implementation of pio data change works in close cooperation with function my_fiq_handler +/* This FIQ implementation of pio data change works in close cooperation with function fiq_handler * in os/boot/boot.s * This code uses fast forcing for the PIOA irq so that each PIOA data change triggers * a FIQ. The FreeRTOS code has been modified to not mask FIQ ever. This means that the FIQ @@ -64,7 +64,6 @@ static unsigned long count = 0; */ #define USE_FIQ #define PIO_SECONDARY_IRQ 31 -extern void my_fiq_handler(void); extern void fiq_handler(void); /* Will be used in pio_irq_demux_secondary below and contains the PIO_ISR value @@ -89,29 +88,6 @@ void __ramfunc __pio_irq_demux(u_int32_t pio) send_usb = 1; } -// if (send_usb && !pirqs.usb_throttled) { -// struct req_ctx *irq_rctx; -// irq_rctx = req_ctx_find_get(0, RCTX_STATE_FREE, -// RCTX_STATE_PIOIRQ_BUSY); -// if (!irq_rctx) { -// /* we cannot disable the interrupt, since we have -// * non-usb listeners */ -// pirqs.usb_throttled = 1; -// } else { -// struct openpcd_hdr *opcdh; -// u_int32_t *regmask; -// opcdh = (struct openpcd_hdr *) irq_rctx->data; -// regmask = (u_int32_t *) (irq_rctx->data + sizeof(*opcdh)); -// opcdh->cmd = OPENPCD_CMD_PIO_IRQ; -// opcdh->reg = 0x00; -// opcdh->flags = 0x00; -// opcdh->val = 0x00; -// -// irq_rctx->tot_len = sizeof(*opcdh) + sizeof(u_int32_t); -// req_ctx_set_state(irq_rctx, RCTX_STATE_UDP_EP3_PENDING); -// } -// } - AT91F_AIC_AcknowledgeIt(); //AT91F_AIC_ClearIt(AT91C_ID_PIOA); } @@ -195,9 +171,12 @@ void pio_irq_init(void) initialized = 1; AT91F_PIOA_CfgPMC(); #ifdef USE_FIQ +/* This code is not necessary anymore, because fiq_handler is directly part of + the vector table, so no jump will happen. AT91F_AIC_ConfigureIt(AT91C_ID_FIQ, //0, AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, &cdsync_cb); - 0, AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, &my_fiq_handler); + 0, AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, &fiq_handler); +*/ /* enable fast forcing for PIOA interrupt */ *AT91C_AIC_FFER = (1 << AT91C_ID_PIOA); |