292 lines
6.8 KiB
C
292 lines
6.8 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-05-11 LJ the first version
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*/
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#include <adc.h>
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rt_adc_device_t adc1_dev;
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rt_adc_device_t adc2_dev;
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rt_adc_device_t adc3_dev;
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ADC_Data ADC;
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/**
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* ADC初始化函数
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* @return
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*/
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rt_uint8_t adc_init()
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{
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//查找设备
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adc1_dev = (rt_adc_device_t) rt_device_find("adc1");
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if (adc1_dev == RT_NULL)
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{
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rt_kprintf("adc sample run failed! can't find %s device!\n", "adc1");
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return RT_ERROR;
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}
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adc2_dev = (rt_adc_device_t) rt_device_find("adc2");
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if (adc2_dev == RT_NULL)
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{
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rt_kprintf("adc sample run failed! can't find %s device!\n", "adc3");
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return RT_ERROR;
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}
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adc3_dev = (rt_adc_device_t) rt_device_find("adc3");
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if (adc3_dev == RT_NULL)
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{
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rt_kprintf("adc sample run failed! can't find %s device!\n", "adc3");
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return RT_ERROR;
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}
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//使能设备
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rt_adc_enable(adc1_dev, ADC1_CHANNEL_0);
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rt_adc_enable(adc2_dev, ADC2_CHANNEL_4);
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rt_adc_enable(adc3_dev, ADC3_CHANNEL_10);
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rt_adc_enable(adc3_dev, ADC3_CHANNEL_11);
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return RT_EOK;
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}
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/**
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* ADC读取数据
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*/
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void adc_read()
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{
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/**
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* 根据电路推导下面公式
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* 0-10v vout = vin*2/6.8 + 0.2v
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* 外部电压 = （vout - 0.2）* 6.8 / 2
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*
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* 4-20ma vin = i * 150
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* 外部电流 = （vout）* 6.8 / 2 / 150
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*
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*
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*/
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ADC.ADC1_0_value = rt_adc_read(adc1_dev, ADC1_CHANNEL_0); //读取采样值
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ADC.ADC1_0_vol = ADC.ADC1_0_value * REFER_VOLTAGE / CONVERT_BITS; //转换为对应电压值
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// h_vol = (((float)vol - 0.2) * 6.8 ) / 2 ;
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ADC.ADC1_0_h_vol = (rt_uint16_t) (((float) ADC.ADC1_0_vol / 100 - 0.2) * 340);
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if (ADC.ADC1_mode == 0) //0:0-10V 1:4-20ma
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{
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// 0-10V -> 0 - 100 cN
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if (ADC.ADC1_0_h_vol < 30) {
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ADC.ADC1_0_h_vol = 0;
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} else if (ADC.ADC1_0_h_vol > 1000) {
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ADC.ADC1_0_h_vol = 1000;
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} else if (ADC.ADC1_0_h_vol >= 600 && ADC.ADC1_0_h_vol < 1000) {
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ADC.ADC1_0_h_vol = ADC.ADC1_0_h_vol - 145;
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} else if (ADC.ADC1_0_h_vol >= 300 && ADC.ADC1_0_h_vol < 600) {
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ADC.ADC1_0_h_vol = ADC.ADC1_0_h_vol - 130;
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} else if (ADC.ADC1_0_h_vol >= 200 && ADC.ADC1_0_h_vol < 300) {
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ADC.ADC1_0_h_vol = ADC.ADC1_0_h_vol - 120;
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} else if (ADC.ADC1_0_h_vol >= 100 && ADC.ADC1_0_h_vol < 200) {
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ADC.ADC1_0_h_vol = ADC.ADC1_0_h_vol - 100;
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}
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// ADC.ADC1_0_ZL_H = (ADC.ADC1_0_h_vol >> 8) & 0xFF;
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// ADC.ADC1_0_ZL_L = ADC.ADC1_0_h_vol & 0xFF;
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ADC.ADC1_0_ZL_H = ADC.ADC1_0_h_vol / 10;
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ADC.ADC1_0_ZL_L = ADC.ADC1_0_h_vol % 10;
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if (ADC.log)
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{
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rt_kprintf("ADC1_ZL is :%d.%d \n", ADC.ADC1_0_ZL_H,ADC.ADC1_0_ZL_L);
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}
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}
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else if (ADC.ADC1_mode == 1)
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{
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ADC.ADC1_0_Current = (rt_uint16_t) (((float) ADC.ADC1_0_vol / 100 ) / 150 * 340);
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}
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if (ADC.log)
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{
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rt_kprintf("ADC1_CHANNEL_0 value is :%d voltage is :%d.%02d \n", ADC.ADC1_0_value, ADC.ADC1_0_vol / 100, ADC.ADC1_0_vol % 100);
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rt_kprintf("ADC1_CHANNEL_0 0-10V voltage is :%d.%02d , Current is :%d.%02d\n", ADC.ADC1_0_h_vol / 100, ADC.ADC1_0_h_vol % 100,
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ADC.ADC1_0_Current / 100, ADC.ADC1_0_Current % 100);
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}
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ADC.ADC2_4_value = rt_adc_read(adc2_dev, ADC2_CHANNEL_4);
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ADC.ADC2_4_vol = ADC.ADC2_4_value * REFER_VOLTAGE / CONVERT_BITS;
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ADC.ADC2_4_h_vol = (rt_uint16_t) (((float) ADC.ADC2_4_vol / 100 - 0.2) * 340);
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if (ADC.ADC2_mode == 0)
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{
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// 0-10V -> 0 - 100 cN
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if (ADC.ADC2_4_h_vol < 30) {
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ADC.ADC2_4_h_vol = 0;
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} else if (ADC.ADC2_4_h_vol > 1000) {
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ADC.ADC2_4_h_vol = 1000;
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}
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// ADC.ADC1_0_ZL_H = (ADC.ADC1_0_h_vol >> 8) & 0xFF;
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// ADC.ADC1_0_ZL_L = ADC.ADC1_0_h_vol & 0xFF;
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ADC.ADC2_4_ZL_H = ADC.ADC2_4_h_vol / 10;
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ADC.ADC2_4_ZL_L = ADC.ADC2_4_h_vol % 10;
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if (ADC.log)
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{
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rt_kprintf("ADC2_ZL is :%d.%d \n", ADC.ADC2_4_ZL_H,ADC.ADC2_4_ZL_L);
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}
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}
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else if (ADC.ADC2_mode == 1)
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{
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ADC.ADC2_4_Current = (rt_uint16_t) (((float) ADC.ADC2_4_vol / 100 ) / 150 * 340);
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}
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if (ADC.log)
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{
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rt_kprintf("ADC2_CHANNEL_4 value is :%d voltage is :%d.%02d \n", ADC.ADC2_4_value, ADC.ADC2_4_vol / 100, ADC.ADC2_4_vol % 100);
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rt_kprintf("ADC2_CHANNEL_4 0-10V voltage is :%d.%02d , Current is :%d.%02d\n", ADC.ADC2_4_h_vol / 100, ADC.ADC2_4_h_vol % 100,
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ADC.ADC2_4_Current / 100, ADC.ADC2_4_Current % 100);
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}
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ADC.ADC3_10_value = rt_adc_read(adc3_dev, ADC3_CHANNEL_10);
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ADC.ADC3_10_vol = ADC.ADC3_10_value * REFER_VOLTAGE / CONVERT_BITS;
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if (ADC.log)
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{
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rt_kprintf("ADC3_CHANNEL_10 value is :%d voltage is :%d.%02d \n", ADC.ADC3_10_value, ADC.ADC3_10_vol / 100, ADC.ADC3_10_vol % 100);
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}
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ADC.ADC3_11_value = rt_adc_read(adc3_dev, ADC3_CHANNEL_11);
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ADC.ADC3_11_vol = ADC.ADC3_11_value * REFER_VOLTAGE / CONVERT_BITS;
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if (ADC.log)
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{
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rt_kprintf("ADC3_CHANNEL_11 value is :%d voltage is :%d.%02d \n", ADC.ADC3_11_value, ADC.ADC3_11_vol / 100, ADC.ADC3_11_vol % 100);
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}
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}
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rt_uint16_t get_ADC1_0_Value()
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{
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return ADC.ADC1_0_value;
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}
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rt_uint16_t get_ADC2_4_Value()
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{
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return ADC.ADC2_4_value;
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}
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/**
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* 获取ADC1张力值
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* @return
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*/
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rt_uint8_t get_ADC1_0_H_ZL()
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{
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return ADC.ADC1_0_ZL_H;
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}
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rt_uint8_t get_ADC1_0_L_ZL()
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{
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return ADC.ADC1_0_ZL_L;
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}
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/**
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* 获取ADC2张力值
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* @return
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*/
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rt_uint8_t get_ADC2_4_H_ZL()
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{
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return ADC.ADC2_4_ZL_H;
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}
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rt_uint8_t get_ADC2_4_L_ZL()
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{
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return ADC.ADC2_4_ZL_L;
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}
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/**
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* 获取3V3的值ADC
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* @return
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*/
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rt_uint16_t get_ADC3_10_vol()
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{
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return ADC.ADC3_10_vol;
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}
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rt_uint16_t get_ADC3_11_vol()
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{
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return ADC.ADC3_11_vol;
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}
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/**
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* 获取0-10vADC值
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* @return
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*/
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rt_uint16_t get_ADC1_0_h_vol()
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{
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return ADC.ADC1_0_h_vol;
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}
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/**
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* 获取4-10ma电流值
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* @return
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*/
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rt_uint16_t get_ADC1_0_Current()
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{
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return ADC.ADC1_0_Current;
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}
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/**
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* 获取0-10vADC值
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* @return
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*/
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rt_uint16_t get_ADC2_4_h_vol()
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{
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return ADC.ADC2_4_h_vol;
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}
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/**
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* 获取4-10ma电流值
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* @return
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*/
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rt_uint16_t get_ADC2_4_Current()
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{
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return ADC.ADC2_4_Current;
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}
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void set_ADC_log(rt_uint8_t log)
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{
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ADC.log = log;
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}
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/**
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* 设置ADC1的模式0:0-10V 1:4-20ma
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* @param mode
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*/
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void set_ADC1_mode(rt_uint8_t mode)
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{
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ADC.ADC1_mode = mode;
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}
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/**
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* 设置ADC2的模式1:0-10V 2:4-20ma
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* @param mode
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*/
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void set_ADC2_mode(rt_uint8_t mode)
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{
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ADC.ADC2_mode = mode;
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}
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/**
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* 获取ADC1的模式1:0-10V 2:4-20ma
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* @param mode
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*/
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rt_uint8_t get_ADC1_mode()
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{
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return ADC.ADC1_mode;
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}
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/**
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* 获取ADC2的模式1:0-10V 2:4-20ma
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* @param mode
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*/
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rt_uint8_t get_ADC2_mode()
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{
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return ADC.ADC2_mode;
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}
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