50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
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* @Author: wujunchao wujunchao@wuxismart.com
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* @Date: 2024-12-24 13:24:59
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* @LastEditors: wujunchao wujunchao@wuxismart.com
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* @LastEditTime: 2025-03-17 11:31:24
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* @FilePath: \signal_generator\App\TM1650\tm1650.c
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* @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
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*/
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#include "tm1650.h"
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uint8_t key = 0;
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BOOL kp_flag = FALSE;
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void tm1650_init(I2C_HandleTypeDef *hi2c)
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{
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if (!hi2c)
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return;
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uint8_t reg = 0;
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reg = PARAMETER_SEGMENT_MODE_SEVEN | PARAMETER_WORK_MODE_RUNNING | PARAMETER_DISPLAY_MODE_ON;
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HAL_I2C_Master_Transmit(hi2c, COMMAND_SET_PARAMETER, ®, 1, 0xff); // 发送设置参数命令
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}
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void tm1650_read_key(I2C_HandleTypeDef *hi2c, BOOL *kp_flag, uint16_t cmd, uint8_t *key)
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{
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if (!hi2c || !cmd || !key)
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return;
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#ifdef SCAN_MODE
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tm1650_init(&hi2c1);
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HAL_I2C_Master_Receive(hi2c, cmd, key, 1, 0xff);
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#else
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if (*kp_flag == TRUE)
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{
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*kp_flag = FALSE;
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HAL_I2C_Master_Receive(hi2c, cmd, key, 1, 0xff);
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}
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#endif
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}
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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{
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if (GPIO_Pin == KEY_KP_Pin)
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{
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kp_flag = TRUE;
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}
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}
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