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#include "stm32f0_hal.h"
#include "stm32f0_hal_lowlevel.h"
#include "stm32f0xx_hal_rcc.h"
#include "stm32f0xx_hal_gpio.h"
#include "stm32f0xx_hal_dma.h"
#include "stm32f0xx_hal_uart.h"
#include "stm32f0xx_hal_flash.h"
UART_HandleTypeDef UartHandle;
void platform_init(void)
{
//HAL_Init();
#ifdef USE_INTERNAL_CLK
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLL_NONE;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
uint32_t flash_latency = 0;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, flash_latency);
#else
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLL_NONE;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSE;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);
#endif
__HAL_RCC_GPIOC_CLK_ENABLE();
GPIO_InitTypeDef GpioInit;
GpioInit.Pin = GPIO_PIN_13 | GPIO_PIN_14;
GpioInit.Mode = GPIO_MODE_OUTPUT_PP;
GpioInit.Pull = GPIO_NOPULL;
GpioInit.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOC, &GpioInit);
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, RESET);
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, RESET);
}
void init_uart(void)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitTypeDef GpioInit;
GpioInit.Pin = GPIO_PIN_9 | GPIO_PIN_10;
GpioInit.Mode = GPIO_MODE_AF_PP;
GpioInit.Pull = GPIO_PULLUP;
GpioInit.Speed = GPIO_SPEED_FREQ_HIGH;
GpioInit.Alternate = GPIO_AF1_USART1;
HAL_GPIO_Init(GPIOA, &GpioInit);
__HAL_RCC_USART1_CLK_ENABLE();
__HAL_RCC_USART1_CONFIG(RCC_USART1CLKSOURCE_SYSCLK);
UartHandle.Instance = USART1;
UartHandle.Init.BaudRate = 115200;
UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
UartHandle.Init.StopBits = UART_STOPBITS_1;
UartHandle.Init.Parity = UART_PARITY_NONE;
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
UartHandle.Init.Mode = UART_MODE_TX_RX;
HAL_UART_Init(&UartHandle);
}
static bool trig;
void trigger_setup(void)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitTypeDef GpioInit;
GpioInit.Pin = GPIO_PIN_12;
GpioInit.Mode = GPIO_MODE_OUTPUT_PP;
GpioInit.Pull = GPIO_NOPULL;
GpioInit.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOA, &GpioInit);
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, RESET);
trig = false;
}
void trigger_high(void)
{
trig = true;
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, SET);
}
bool trigger_status(void)
{
return trig;
}
void trigger_flip(void) {
if (trig) {
trigger_low();
} else {
trigger_high();
}
}
void trigger_low(void)
{
trig = false;
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, RESET);
}
char getch(void)
{
uint8_t d;
while(HAL_UART_Receive(&UartHandle, &d, 1, 50) != HAL_OK)
USART1->ICR |= (1 << 3); // make sure overrun error is cleared, otherwise can stall here
return d;
}
void putch(char c)
{
uint8_t d = c;
HAL_UART_Transmit(&UartHandle, &d, 1, 5000);
}
void led_error(unsigned int x)
{
if (!x)
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, RESET);
else
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, SET);
}
void led_ok(unsigned int x)
{
if (!x)
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, RESET);
else
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, SET);
}
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