#include "stm32c0xx_hal.h"
#define A GPIO_PIN_8
#define B GPIO_PIN_9
#define C GPIO_PIN_7
#define D GPIO_PIN_6
#define E GPIO_PIN_5
#define F GPIO_PIN_3
#define G GPIO_PIN_15
int tab[10][7] = {
// a b c d e f g
{0, 0, 0, 0, 0, 0, 1}, // 0
{1, 0, 0, 1, 1, 1, 1}, // 1
{0, 0, 1, 0, 0, 1, 0}, // 2
{0, 0, 0, 0, 1, 1, 0}, // 3
{1, 0, 0, 1, 1, 0, 0}, // 4
{0, 1, 0, 0, 1, 0, 0}, // 5
{0, 1, 0, 0, 0, 0, 0}, // 6
{0, 0, 0, 1, 1, 1, 1}, // 7
{0, 0, 0, 0, 0, 0, 0}, // 8
{0, 0, 0, 0, 1, 0, 0} // 9
};
int i = 0;
void SystemClock_Config(void);
int main(void)
{
HAL_Init(); SystemClock_Config();
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/* Configure GPIO pins */
GPIO_InitStruct.Pin = A | B | C | D | E | F | G;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Configure the button pin */
GPIO_InitStruct.Pin = GPIO_PIN_0;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
while (1)
{
// Check if the button is pressed
if (HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_0) == GPIO_PIN_SET)
{
HAL_GPIO_WritePin(GPIOA, A, tab[i][0]);
HAL_GPIO_WritePin(GPIOA, B, tab[i][1]);
HAL_GPIO_WritePin(GPIOA, C, tab[i][2]);
HAL_GPIO_WritePin(GPIOA, D, tab[i][3]);
HAL_GPIO_WritePin(GPIOA, E, tab[i][4]);
HAL_GPIO_WritePin(GPIOA, F, tab[i][5]);
HAL_GPIO_WritePin(GPIOA, G, tab[i][6]);
i = (i + 1) % 10;
HAL_Delay(200);
}
}
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
//RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // No PLL for HSI
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
Error_Handler();
}
}
void Error_Handler(void)
{
// Handle errors appropriately, e.g., blink an error LED or report the error through a debug interface.
while (1)
{
// Infinite loop to keep the microcontroller in an error state
}
}