diff options
Diffstat (limited to '02-usart/src/arch/stm32l4xxx/peripherals/irq.c')
| -rw-r--r-- | 02-usart/src/arch/stm32l4xxx/peripherals/irq.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/02-usart/src/arch/stm32l4xxx/peripherals/irq.c b/02-usart/src/arch/stm32l4xxx/peripherals/irq.c index 8fb3e49..364b9a7 100644 --- a/02-usart/src/arch/stm32l4xxx/peripherals/irq.c +++ b/02-usart/src/arch/stm32l4xxx/peripherals/irq.c @@ -4,6 +4,7 @@ #include "arch.h" #include "kern/delay.h" +#include "kern/gpio/gpio_manager.h" #define IRQ_RESERVED(n) #define IRQ(name, uname_, n) \ @@ -16,10 +17,11 @@ void isr_simple_pin_on() { - __IO gpio_port_t* port_b = enable_gpio(GPIO_PORT_B); - gpio_output_pin_t pin3 = set_gpio_pin_output(port_b, PIN_3); + int ec; + gpio_pin_opts_t opts = DEFAULT_GPIO_OPTS_OUTPUT; + gpio_reserved_pin_t pin3 = reserve_gpio_pin(GPIO_PIN_PB3, &opts, &ec); - pin_on(pin3); + set_gpio_pin_high(pin3); } #define IRQ_RESERVED(n) 0, @@ -47,13 +49,15 @@ const void* vectors[] __attribute__((section(".vectors"))) = { */ void unhandled_isr(uint8_t number) { - __IO gpio_port_t* port_b = enable_gpio(GPIO_PORT_B); - gpio_output_pin_t pin3 = set_gpio_pin_output(port_b, PIN_3); + int ec; + gpio_pin_opts_t opts = DEFAULT_GPIO_OPTS_OUTPUT; + gpio_reserved_pin_t pin3 = reserve_gpio_pin(GPIO_PIN_PB3, &opts, &ec); + for (;;) { for (int i = 0; i < 20; ++ i) { - pin_on(pin3); + set_gpio_pin_high(pin3); delay(1000000); - pin_off(pin3); + set_gpio_pin_low(pin3); delay(1000000); } delay(50000000); @@ -62,15 +66,15 @@ void unhandled_isr(uint8_t number) for (int i = 0; i < 8; ++ i) { if (n & 1) { // LSB is a 1 - pin_on(pin3); + set_gpio_pin_high(pin3); delay(15000000); - pin_off(pin3); + set_gpio_pin_low(pin3); delay(15000000); } else { // LSB is a 0 - pin_on(pin3); + set_gpio_pin_high(pin3); delay(1000000); - pin_off(pin3); + set_gpio_pin_low(pin3); delay(29000000); } |