summaryrefslogtreecommitdiff
path: root/bsp/sam7x/drivers/board.c
diff options
context:
space:
mode:
Diffstat (limited to 'bsp/sam7x/drivers/board.c')
-rw-r--r--bsp/sam7x/drivers/board.c154
1 files changed, 77 insertions, 77 deletions
diff --git a/bsp/sam7x/drivers/board.c b/bsp/sam7x/drivers/board.c
index 1e13656f66..571e7e724c 100644
--- a/bsp/sam7x/drivers/board.c
+++ b/bsp/sam7x/drivers/board.c
@@ -35,40 +35,40 @@ static void rt_hw_board_led_init(void);
*/
void rt_hw_timer_handler(int vector, void* param)
{
- if (AT91C_BASE_PITC->PITC_PISR & 0x01)
- {
- /* increase a tick */
- rt_tick_increase();
+ if (AT91C_BASE_PITC->PITC_PISR & 0x01)
+ {
+ /* increase a tick */
+ rt_tick_increase();
- /* ack interrupt */
- AT91C_BASE_AIC->AIC_EOICR = AT91C_BASE_PITC->PITC_PIVR;
- }
- else
- {
- /* end of interrupt */
- AT91C_BASE_AIC->AIC_EOICR = 0;
- }
+ /* ack interrupt */
+ AT91C_BASE_AIC->AIC_EOICR = AT91C_BASE_PITC->PITC_PIVR;
+ }
+ else
+ {
+ /* end of interrupt */
+ AT91C_BASE_AIC->AIC_EOICR = 0;
+ }
}
- /* PIO Flash PA PB PIN */
-#define LED1 (1 << 19) /* PA0 / PGMEN0 & PWM0 TIOA0 48 */
-#define LED2 (1 << 20) /* PA1 / PGMEN1 & PWM1 TIOB0 47 */
-#define LED3 (1 << 21) /* PA2 & PWM2 SCK0 44 */
-#define LED4 (1 << 22) /* PA3 & TWD NPCS3 43 */
-#define LED_MASK (LED1|LED2|LED3|LED4)
+ /* PIO Flash PA PB PIN */
+#define LED1 (1 << 19) /* PA0 / PGMEN0 & PWM0 TIOA0 48 */
+#define LED2 (1 << 20) /* PA1 / PGMEN1 & PWM1 TIOB0 47 */
+#define LED3 (1 << 21) /* PA2 & PWM2 SCK0 44 */
+#define LED4 (1 << 22) /* PA3 & TWD NPCS3 43 */
+#define LED_MASK (LED1|LED2|LED3|LED4)
int leds[] = {LED1, LED2, LED3, LED4};
-/**
+/**
* This function will init led on the board
*/
static void rt_hw_board_led_init()
{
- /* enable the clock of the PIO A, PIO B */
- AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOA | 1 << AT91C_ID_PIOB;
+ /* enable the clock of the PIO A, PIO B */
+ AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOA | 1 << AT91C_ID_PIOB;
- /* configure PIO as output for led */
- AT91C_BASE_PIOB->PIO_PER = LED_MASK;
- AT91C_BASE_PIOB->PIO_OER = LED_MASK;
+ /* configure PIO as output for led */
+ AT91C_BASE_PIOB->PIO_PER = LED_MASK;
+ AT91C_BASE_PIOB->PIO_OER = LED_MASK;
}
/**
@@ -78,10 +78,10 @@ static void rt_hw_board_led_init()
*/
void rt_hw_board_led_on(int n)
{
- if (n >= 0 && n < 4)
- {
- AT91C_BASE_PIOB->PIO_CODR = leds[n];
- }
+ if (n >= 0 && n < 4)
+ {
+ AT91C_BASE_PIOB->PIO_CODR = leds[n];
+ }
}
/**
@@ -91,10 +91,10 @@ void rt_hw_board_led_on(int n)
*/
void rt_hw_board_led_off(int n)
{
- if (n >= 0 && n < 4)
- {
- AT91C_BASE_PIOB->PIO_SODR = leds[n];
- }
+ if (n >= 0 && n < 4)
+ {
+ AT91C_BASE_PIOB->PIO_SODR = leds[n];
+ }
}
/*
@@ -108,47 +108,47 @@ void rt_hw_board_led_off(int n)
*/
void rt_hw_console_output(const char* str)
{
- while (*str)
- {
- if (*str == '\n')
- {
- while (!(AT91C_BASE_US0->US_CSR & AT91C_US_TXRDY));
- AT91C_BASE_US0->US_THR = '\r';
- }
-
- /* Wait for Empty Tx Buffer */
- while (!(AT91C_BASE_US0->US_CSR & AT91C_US_TXRDY));
- /* Transmit Character */
- AT91C_BASE_US0->US_THR = *str;
-
- str ++;
- }
+ while (*str)
+ {
+ if (*str == '\n')
+ {
+ while (!(AT91C_BASE_US0->US_CSR & AT91C_US_TXRDY));
+ AT91C_BASE_US0->US_THR = '\r';
+ }
+
+ /* Wait for Empty Tx Buffer */
+ while (!(AT91C_BASE_US0->US_CSR & AT91C_US_TXRDY));
+ /* Transmit Character */
+ AT91C_BASE_US0->US_THR = *str;
+
+ str ++;
+ }
}
static void rt_hw_console_init()
{
- /* Enable Clock for USART0 */
- AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US0;
- /* Enable RxD0 and TxD0 Pin */
- //AT91C_BASE_PIOA->PIO_PDR = (1 << 5) | (1 << 6);
- AT91C_BASE_PIOA->PIO_PDR = 1 | (1 << 1);//fix bug 2010-3-9
+ /* Enable Clock for USART0 */
+ AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US0;
+ /* Enable RxD0 and TxD0 Pin */
+ //AT91C_BASE_PIOA->PIO_PDR = (1 << 5) | (1 << 6);
+ AT91C_BASE_PIOA->PIO_PDR = 1 | (1 << 1);//fix bug 2010-3-9
- AT91C_BASE_US0->US_CR = AT91C_US_RSTRX | /* Reset Receiver */
- AT91C_US_RSTTX | /* Reset Transmitter */
- AT91C_US_RXDIS | /* Receiver Disable */
- AT91C_US_TXDIS; /* Transmitter Disable */
+ AT91C_BASE_US0->US_CR = AT91C_US_RSTRX | /* Reset Receiver */
+ AT91C_US_RSTTX | /* Reset Transmitter */
+ AT91C_US_RXDIS | /* Receiver Disable */
+ AT91C_US_TXDIS; /* Transmitter Disable */
- AT91C_BASE_US0->US_MR = AT91C_US_USMODE_NORMAL | /* Normal Mode */
- AT91C_US_CLKS_CLOCK | /* Clock = MCK */
- AT91C_US_CHRL_8_BITS | /* 8-bit Data */
- AT91C_US_PAR_NONE | /* No Parity */
- AT91C_US_NBSTOP_1_BIT; /* 1 Stop Bit */
+ AT91C_BASE_US0->US_MR = AT91C_US_USMODE_NORMAL | /* Normal Mode */
+ AT91C_US_CLKS_CLOCK | /* Clock = MCK */
+ AT91C_US_CHRL_8_BITS | /* 8-bit Data */
+ AT91C_US_PAR_NONE | /* No Parity */
+ AT91C_US_NBSTOP_1_BIT; /* 1 Stop Bit */
- /* set baud rate divisor */
- AT91C_BASE_US0->US_BRGR = BRD;
+ /* set baud rate divisor */
+ AT91C_BASE_US0->US_BRGR = BRD;
- AT91C_BASE_US0->US_CR = AT91C_US_RXEN | /* Receiver Enable */
- AT91C_US_TXEN; /* Transmitter Enable */
+ AT91C_BASE_US0->US_CR = AT91C_US_RXEN | /* Receiver Enable */
+ AT91C_US_TXEN; /* Transmitter Enable */
}
/**
@@ -156,20 +156,20 @@ static void rt_hw_console_init()
*/
void rt_hw_board_init(void)
{
- extern void rt_serial_init(void);
-
- /* init hardware console */
- rt_hw_console_init();
+ extern void rt_serial_init(void);
+
+ /* init hardware console */
+ rt_hw_console_init();
- /* init led */
- rt_hw_board_led_init();
+ /* init led */
+ rt_hw_board_led_init();
- /* init PITC */
- AT91C_BASE_PITC->PITC_PIMR = (1 << 25) | (1 << 24) | PIV;
+ /* init PITC */
+ AT91C_BASE_PITC->PITC_PIMR = (1 << 25) | (1 << 24) | PIV;
- /* install timer handler */
- rt_hw_interrupt_install(AT91C_ID_SYS, rt_hw_timer_handler, RT_NULL, "tick");
- AT91C_BASE_AIC->AIC_SMR[AT91C_ID_SYS] = 0;
- rt_hw_interrupt_umask(AT91C_ID_SYS);
+ /* install timer handler */
+ rt_hw_interrupt_install(AT91C_ID_SYS, rt_hw_timer_handler, RT_NULL, "tick");
+ AT91C_BASE_AIC->AIC_SMR[AT91C_ID_SYS] = 0;
+ rt_hw_interrupt_umask(AT91C_ID_SYS);
}
/*@}*/
generated by cgit v1.3.1 (git 2.54.0) at 2026-10-23 23:22:06 +0000