diff options
Diffstat (limited to 'system-clock/src/main.c')
| -rw-r--r-- | system-clock/src/main.c | 143 |
1 files changed, 1 insertions, 142 deletions
diff --git a/system-clock/src/main.c b/system-clock/src/main.c index f7a30e8..5c9ecfc 100644 --- a/system-clock/src/main.c +++ b/system-clock/src/main.c @@ -1,124 +1,5 @@ #include "gpio.h" - -int main(); - -void spin(); - -/* - * Interrupt service routine handlers. - */ -const void* vectors[] __attribute__((section(".vectors"))) = { - (void *) 0x2000c000, /* Top of stack at top of sram1. 48k */ - main, /* Reset handler */ - spin, /* NMI */ - spin, /* Hard Fault */ - spin, /* MemManage */ - spin, /* BusFault */ - spin, /* UsageFault */ - spin, /* Reserved */ - spin, /* Reserved */ - spin, /* Reserved */ - spin, /* Reserved */ - spin, /* SVCall */ - spin, /* Debug */ - spin, /* Reserved */ - spin, /* PendSV */ - spin, /* SysTick */ - -/* External interrupt handlers follow */ - spin, /* 0 WWDG */ - spin, /* 1 PVD */ - spin, /* 2 TAMP_SAMP */ - spin, /* 3 RTC_WKUP */ - spin, /* 4 FLASH */ - spin, /* 5 RCC */ - spin, /* 6 EXTI0 */ - spin, /* 7 EXTI1 */ - spin, /* 8 EXTI2 */ - spin, /* 9 EXTI3 */ - spin, /* 10 EXTI4 */ - spin, /* 11 DMA_CH1 */ - spin, /* 12 DMA_CH2 */ - spin, /* 13 DMA_CH3 */ - spin, /* 14 DMA_CH4 */ - spin, /* 15 DMA_CH5 */ - spin, /* 16 DMA_CH6 */ - spin, /* 17 DMA_CH7 */ - spin, /* 18 ADC1 */ - spin, /* 19 CAN_TX */ - spin, /* 20 CAN_RX0 */ - spin, /* 21 CAN_RX1 */ - spin, /* 22 CAN_SCE */ - spin, /* 23 EXTI9_5 */ - spin, /* 24 TIM1_BRK/TIM15 */ - spin, /* 25 TIM1_UP/TIM16 */ - spin, /* 26 TIM1_TRG_COM */ - spin, /* 27 TIM1_CC */ - spin, /* 28 TIM2 */ - spin, /* 29 Reserved */ - spin, /* 30 Reserved */ - spin, /* 31 I2C1_EV */ - spin, /* 32 I2C1_ER */ - spin, /* 33 I2C2_EV */ - spin, /* 34 I2C2_ER */ - spin, /* 35 SPI1 */ - spin, /* 36 SPI2 */ - spin, /* 37 USART1 */ - spin, /* 38 USART2 */ - spin, /* 39 USART3 */ - spin, /* 40 EXTI15_10 */ - spin, /* 41 RTCAlarm */ - spin, /* 42 Reserved */ - spin, /* 43 Reserved */ - spin, /* 44 Reserved */ - spin, /* 45 Reserved */ - spin, /* 46 Reserved */ - spin, /* 47 Reserved */ - spin, /* 48 Reserved */ - spin, /* 49 SDMMC1 */ - spin, /* 50 Reserved */ - spin, /* 51 SPI3 */ - spin, /* 52 Reserved */ - spin, /* 53 Reserved */ - spin, /* 54 TIM6_DACUNDER */ - spin, /* 55 TIM7 */ - spin, /* 56 DMA2_CH1 */ - spin, /* 57 DMA2_CH2 */ - spin, /* 58 DMA2_CH3 */ - spin, /* 59 DMA2_CH4 */ - spin, /* 60 DMA2_CH5 */ - spin, /* 61 Reserved */ - spin, /* 62 Reserved */ - spin, /* 63 Reserved*/ - spin, /* 64 COMP */ - spin, /* 65 LPTIM1 */ - spin, /* 66 LPTIM2 */ - spin, /* 67 USB_FS */ - spin, /* 68 DMA_CH6 */ - spin, /* 69 DMA_CH7 */ - spin, /* 70 LPUART1 */ - spin, /* 71 QUADSPI */ - spin, /* 72 I2C3_EV */ - spin, /* 73 I2C3_ER */ - spin, /* 74 SAI1 */ - spin, /* 75 Reserved */ - spin, /* 76 SWPMI1 */ - spin, /* 77 TSC */ - spin, /* 78 Reserved */ - spin, /* 79 AES */ - spin, /* 80 RNG */ - spin, /* 81 FPU */ - spin /* 82 CRS */ -}; - -/* Delay for some number of iterations. */ -void delay(uint32_t itrs) -{ - /* Need to keep the compiler from optimizing this loop out entirely. */ - while(itrs --) { - asm volatile (""); - } -} +#include "delay.h" /* Main function. This gets executed from the interrupt vector defined above. */ int main() @@ -159,25 +40,3 @@ int main() delay(65535); } } - -/* - * Does nothing ... forever. - */ -void spin() -{ - __IO gpio_port_t* port_b = enable_gpio(GPIO_PORT_B); - gpio_output_pin_t pin3 = set_gpio_pin_output(port_b, PIN_3); - for(;;) { - - /* Flash in a distinct pattern to know that something went wrong. */ - - pin_off(pin3); - delay(100000); - pin_on(pin3); - delay(100000); - pin_off(pin3); - delay(100000); - pin_on(pin3); - delay(500000); - } -} |