git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@194 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 10 insertions, 3 deletions

diff --git a/demos/ARM7-AT91SAM7X-GCC/board.c b/demos/ARM7-AT91SAM7X-GCC/board.c
index fac56f18d..aef835ffa 100644
--- a/demos/ARM7-AT91SAM7X-GCC/board.c
+++ b/demos/ARM7-AT91SAM7X-GCC/board.c
@@ -31,7 +31,7 @@ static void SpuriousHandler(void) {
 }

 

 /*

- * Timer 0 IRQ handling here.

+ * SYS IRQ handling here.

  */

 __attribute__((naked))

 static void SYSIrqHandler(void) {

@@ -39,6 +39,7 @@ static void SYSIrqHandler(void) {
   chSysIRQEnterI();

 

   if (AT91C_BASE_PITC->PITC_PISR & AT91C_PITC_PITS) {

+//    AT91C_BASE_PIOB->PIO_SODR = PIOB_LCD_BL;            // LCD on.

     chSysTimerHandlerI();

     (void) AT91C_BASE_PITC->PITC_PIVR;

   }

@@ -46,6 +47,9 @@ static void SYSIrqHandler(void) {
   chSysIRQExitI();

 }

 

+/*

+ * Board initialization code.

+ */

 void hwinit(void) {

   int i;

 

@@ -104,7 +108,7 @@ void hwinit(void) {
   /*

    * LCD pins setup.

    */

-  AT91C_BASE_PIOB->PIO_SODR   = PIOB_LCD_BL;    // Set to high.

+  AT91C_BASE_PIOB->PIO_CODR   = PIOB_LCD_BL;    // Set to low.

   AT91C_BASE_PIOB->PIO_OER    = PIOB_LCD_BL;    // Configure as output.

   AT91C_BASE_SYS->PIOA_PPUDR  = PIOB_LCD_BL;    // Disable internal pullup resistor.

 

@@ -126,7 +130,10 @@ void hwinit(void) {
   /*

    * PIT Initialization.

    */

-  AIC_ConfigureIT(AT91C_ID_SYS, AT91C_AIC_SRCTYPE_POSITIVE_EDGE, SYSIrqHandler);

+  AIC_ConfigureIT(AT91C_ID_SYS,

+                  AT91C_AIC_SRCTYPE_POSITIVE_EDGE | (AT91C_AIC_PRIOR_HIGHEST -1),

+                  SYSIrqHandler);

+  AIC_EnableIT(AT91C_ID_SYS);

   AT91C_BASE_PITC->PITC_PIMR = (MCK / 16 / CH_FREQUENCY) - 1;

   AT91C_BASE_PITC->PITC_PIMR |= AT91C_PITC_PITEN | AT91C_PITC_PITIEN;

 }