hm
b49c9ab0c6
完整实现了以下模块： - 系统数据总线(sys_data_bus)模块间通信 - UART/USART/LPUART驱动 + RS485半双工 - I2C驱动(AS5600角度传感器 + AT24C02 EEPROM) - Modbus RTU从站协议 - 步进电机微步进控制(正弦/余弦换相+S曲线加减速) - 到位开关驱动(DI_MIN/DI_MAX) - PGA+ADC电流检测 - 系统监控任务(内存/串口/传感器/任务状态) - LED/Key外设驱动 - 基于CMake + arm-none-eabi-gcc构建系统
34 lines
767 B
C
34 lines
767 B
C
#ifndef PGA_DRIVER_H__
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#define PGA_DRIVER_H__
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#include "common_types.h"
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#include "sys_data_bus.h"
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#include <stdint.h>
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#define PGA_ADC_CH ADC_CH_0
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#define PGA_GAIN_1 0x00
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#define PGA_GAIN_2 0x01
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#define PGA_GAIN_4 0x02
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#define PGA_GAIN_8 0x03
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#define PGA_GAIN_16 0x04
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#define PGA_GAIN_32 0x05
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#define PGA_GAIN_64 0x06
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#define PGA_SHUNT_RESISTOR 0.001f
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#define PGA_VREF 3.3f
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#define PGA_ADC_RESOLUTION 4096.0f
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typedef struct {
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uint8_t gain;
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float shunt_resistor;
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float vref;
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} pga_config_t;
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ret_code_t pga_init(const pga_config_t *config);
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ret_code_t pga_deinit(void);
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float pga_read_current(void);
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uint16_t pga_read_raw(void);
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#endif
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