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current_v/Src/adc_sample.c
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2025-12-31 08:21:43 +08:00

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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file adc_sample.c
* @author Motor Control SDK Team, Yuwell Software XiangenWang
* @brief Voice Recognition Module Initialization Section,
including peripheral initialization and message node insertion, etc.
* @version 1.0
* @changelog version 1.0 初始版本 2025.12.01
- 新增：新建第一个版本的软件，待完善解析命令后的程序执行部分
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2025 Yuwell Software Danyang.Jiangsu.China.
* All rights reserved.</center></h2>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions are met:
*
* 1. Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of Yuwell Software nor the names of other
* contributors to this software may be used to endorse or promote products
* derived from this software without specific written permission.
* 4. This software, including modifications and/or derivative works of this
* software, must execute solely and exclusively on microcontroller or
* microprocessor devices manufactured by or for Yuwell Software.
* 5. Redistribution and use of this software other than as permitted under
* this license is void and will automatically terminate your rights under
* this license.
*
* THIS SOFTWARE IS PROVIDED BY Yuwell Software AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
* SHALL Yuwell Software OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* USER CODE END Header */
#include "adc_sample.h"
#include <stdint.h>
static uint16_t adc_result[ADC_SAMPLE_COUNT] = {0, 0, 0, 0, 0};
/**
* @brief 温度-标称电阻值映射表（0~120℃）
* @param NONE
* @retval NONE
* @note 关于配置说明：
* 1.数组索引0对应0℃，索引n对应n℃，直至索引120对应120℃
* 2.电阻值放大10000倍存储（如100kΩ存储为1000000，单位：0.0001kΩ）
* 3.数据来源为NTC热敏电阻官方校准表标称电阻值
* @author jarvis
* @date 2025.11.25
*/
static const uint32_t ntc_res_standard[] = {
3270195, //0℃: 327.0195kΩ → 3270195 (×10000)
3107640, //1℃: 310.7640kΩ
2954121, //2℃: 295.4121kΩ
2809084, //3℃: 280.9084kΩ
2672014, //4℃: 267.2014kΩ
2542428, //5℃: 254.2428kΩ
2419877, //6℃: 241.9877kΩ
2303940, //7℃: 230.3940kΩ
2194224, //8℃: 219.4224kΩ
2090361, //9℃: 209.0361kΩ
1992007, //10℃: 199.2007kΩ
1898841, //11℃: 189.8841kΩ
1810559, //12℃: 181.0559kΩ
1726881, //13℃: 172.6881kΩ
1647540, //14℃: 164.7540kΩ
1572290, //15℃: 157.2290kΩ
1500898, //16℃: 150.0898kΩ
1433144, //17℃: 143.3144kΩ
1368825, //18℃: 136.8825kΩ
1307749, //19℃: 130.7749kΩ
1249734, //20℃: 124.9734kΩ
1194612, //21℃: 119.4612kΩ
1142223, //22℃: 114.2223kΩ
1092417, //23℃: 109.2417kΩ
1045053, //24℃: 104.5053kΩ
1000000, //25℃: 100.0000kΩ
957132, //26℃: 95.7132kΩ
916333, //27℃: 91.6333kΩ
877492, //28℃: 87.7492kΩ
840505, //29℃: 84.0505kΩ
805274, //30℃: 80.5274kΩ
771707, //31℃: 77.1707kΩ
739717, //32℃: 73.9717kΩ
709222, //33℃: 70.9222kΩ
680144, //34℃: 68.0144kΩ
652411, //35℃: 65.2411kΩ
625954, //36℃: 62.5954kΩ
600707, //37℃: 60.0707kΩ
576610, //38℃: 57.6610kΩ
553604, //39℃: 55.3604kΩ
531635, //40℃: 53.1635kΩ
510651, //41℃: 51.0651kΩ
490602, //42℃: 49.0602kΩ
471443, //43℃: 47.1443kΩ
453130, //44℃: 45.3130kΩ
435621, //45℃: 43.5621kΩ
418878, //46℃: 41.8878kΩ
402862, //47℃: 40.2862kΩ
387539, //48℃: 38.7539kΩ
372876, //49℃: 37.2876kΩ
358842, //50℃: 35.8842kΩ
345405, //51℃: 34.5405kΩ
332538, //52℃: 33.2538kΩ
320214, //53℃: 32.0214kΩ
308408, //54℃: 30.8408kΩ
297096, //55℃: 29.7096kΩ
286253, //56℃: 28.6253kΩ
275860, //57℃: 27.5860kΩ
265895, //58℃: 26.5895kΩ
256338, //59℃: 25.6338kΩ
247171, //60℃: 24.7171kΩ
238376, //61℃: 23.8376kΩ
229937, //62℃: 22.9937kΩ
221836, //63℃: 22.1836kΩ
214061, //64℃: 21.4061kΩ
206594, //65℃: 20.6594kΩ
199424, //66℃: 19.9424kΩ
192537, //67℃: 19.2537kΩ
185920, //68℃: 18.5920kΩ
179562, //69℃: 17.9562kΩ
173452, //70℃: 17.3452kΩ
167578, //71℃: 16.7578kΩ
161930, //72℃: 16.1930kΩ
156499, //73℃: 15.6499kΩ
151276, //74℃: 15.1276kΩ
146251, //75℃: 14.6251kΩ
141417, //76℃: 14.1417kΩ
136764, //77℃: 13.6764kΩ
132286, //78℃: 13.2286kΩ
127976, //79℃: 12.7976kΩ
123825, //80℃: 12.3825kΩ
119828, //81℃: 11.9828kΩ
115978, //82℃: 11.5978kΩ
112270, //83℃: 11.2270kΩ
108697, //84℃: 10.8697kΩ
105254, //85℃: 10.5254kΩ
101935, //86℃: 10.1935kΩ
98736, //87℃: 9.8736kΩ
95652, //88℃: 9.5652kΩ
92678, //89℃: 9.2678kΩ
89809, //90℃: 8.9809kΩ
87042, //91℃: 8.7042kΩ
84373, //92℃: 8.4373kΩ
81797, //93℃: 8.1797kΩ
79312, //94℃: 7.9312kΩ
76912, //95℃: 7.6912kΩ
74596, //96℃: 7.4596kΩ
72360, //97℃: 7.2360kΩ
70201, //98℃: 7.0201kΩ
68115, //99℃: 6.8115kΩ
66101, //100℃: 6.6101kΩ
64155, //101℃: 6.4155kΩ
62274, //102℃: 6.2274kΩ
60457, //103℃: 6.0457kΩ
58701, //104℃: 5.8701kΩ
57003, //105℃: 5.7003kΩ
55362, //106℃: 5.5362kΩ
53775, //107℃: 5.3775kΩ
52240, //108℃: 5.2240kΩ
50755, //109℃: 5.0755kΩ
49319, //110℃: 4.9319kΩ
47930, //111℃: 4.7930kΩ
46586, //112℃: 4.6586kΩ
45285, //113℃: 4.5285kΩ
44026, //114℃: 4.4026kΩ
42807, //115℃: 4.2807kΩ
41627, //116℃: 4.1627kΩ
40484, //117℃: 4.0484kΩ
39378, //118℃: 3.9378kΩ
38306, //119℃: 3.8306kΩ
37268 //120℃: 3.7268kΩ
};
/**
* @brief 全局宏定义配置
* @param NONE
* @retval NONE
* @note 关于配置说明：
* 1.TEMP_MIN/TEMP_MAX定义温度检测范围0~120℃
* 2.电阻值放大10000倍存储，提升整数插值精度
* @author jarvis
* @date 2025.11.25
*/
#define TEMP_MIN 0
#define TEMP_MAX 120
#define ARRAY_LEN (sizeof(ntc_res_standard)/sizeof(ntc_res_standard[0]))
/**
* @brief 从NTC电阻值插值计算温度
* @param ntc_res: NTC电阻值（放大1000倍，如100kΩ=100000）
* @retval 计算得到的温度值（℃）
* @note 关于配置说明：
* 1.采用线性插值算法，全程无浮点运算
* 2.插值前放大1000倍计算，提升整数运算精度
* 3.超出温度范围时返回边界值（0℃或120℃）
* 4.输入电阻值为×1000，内部转换为×10000匹配数组
* @author jarvis
* @date 2025.11.25
*/
static uint8_t calc_temp_by_res(uint32_t ntc_res)
{
// 1. 输入电阻值转换：×1000 → ×10000（匹配数组存储精度）
uint32_t ntc_res_scaled = ntc_res * 10;
// 2. 边界保护：电阻值越小温度越高
if (ntc_res_scaled > ntc_res_standard[0]) { // 电阻>0℃值 → 温度<0℃
return TEMP_MIN;
}
if (ntc_res_scaled < ntc_res_standard[ARRAY_LEN-1]) { // 电阻<120℃值 → 温度>120℃
return TEMP_MAX;
}
// 3. 查找电阻值所在的温度区间
uint8_t idx = 0;
for (idx = 0; idx < ARRAY_LEN-1; idx++)
{
if ((ntc_res_scaled <= ntc_res_standard[idx]) && (ntc_res_scaled >= ntc_res_standard[idx+1]))
{
break;
}
}
return (uint8_t)idx;
}
/**
* @brief 从ADC采样电压计算温度
* @param adc_val: ADC采样值（3000对应3V，5000对应5V）
* @retval 计算得到的温度值（℃）
* @note 关于配置说明：
* 1.电路为NTC与100kΩ并联后再与10kΩ串联分压
* 2.反向推导公式：R_NTC = (R并 × R13) / (R13 - R并)
* 3.增加SCALE放大倍数，避免整数除法精度丢失
* @author jarvis
* @date 2025.11.25
*/
static uint8_t calc_temp_by_adc(uint16_t adc_val)
{
uint32_t r_parallel_ohm = (uint32_t)adc_val * 10000;
r_parallel_ohm /= (5000 - adc_val);
r_parallel_ohm /= 1000;
uint32_t r_ntc_ohm = r_parallel_ohm * 100;
if(r_parallel_ohm >= 100) // 防止电阻焊接错误
{
r_parallel_ohm = 99;
}
r_ntc_ohm /= (100 - r_parallel_ohm);
return calc_temp_by_res(r_ntc_ohm*1000);
}
// 校准数据表：采样值-实际电压（你的4组核心数据）
typedef struct {
uint16_t adc_val; // 采样值
uint16_t voltage; // 实际电压(V)
} CalibData_t;
static const CalibData_t calib_table[] =
{
{802, 160},
{864, 170},
{925, 180},
{985, 190},
{1045, 200},
{1105, 210},
{1164, 220},
{1225, 230},
{1284, 240},
{1345, 250},
{1405, 260},
{1465, 270},
{1524, 280},
};
#define CALIB_LEN (sizeof(calib_table)/sizeof(calib_table[0]))
/**
* @brief 采样值转实际电压（查表+线性插值，无浮点）
* @param adc_val: 采样值（如1172）
* @retval 实际电压(V)
*/
uint16_t calc_220v_voltage(uint16_t adc_val)
{
// 边界保护
if (adc_val <= calib_table[0].adc_val)
{
return calib_table[0].voltage;
}
if (adc_val >= calib_table[CALIB_LEN-1].adc_val)
{
return calib_table[CALIB_LEN-1].voltage;
}
// 查找采样值所在区间
uint16_t idx = 0;
for (idx = 0; idx < CALIB_LEN-1; idx++)
{
if (adc_val >= calib_table[idx].adc_val && adc_val <= calib_table[idx+1].adc_val)
{
break;
}
}
// 线性插值（纯整数运算，放大1000倍提升精度）
int32_t x1 = calib_table[idx].adc_val;
int32_t y1 = calib_table[idx].voltage;
int32_t x2 = calib_table[idx+1].adc_val;
int32_t y2 = calib_table[idx+1].voltage;
uint16_t voltage = y1 + ((adc_val - x1) * (y2 - y1)) / (x2 - x1);
return voltage;
}
/**
* @brief ADC采样初始化
* @param NONE
* @retval NONE
* @note 关于配置说明：
* 1.使用BSTIM16定时器每隔100ms进行一次ADC转换触发
* 2.配置DMA进行持续数据移动，将外设数据移动至RAM
* 3.采用16次过采样硬件滤波策略，提升精度同时抑制噪声
* @author jarvis
* @data 2025.11.25
*/
void adc_sample_init(void)
{
// 初始化ADC采样的GPIO
FL_GPIO_InitTypeDef GPIO_InitStruct;
FL_BSTIM16_InitTypeDef InitStructer;
FL_ADC_InitTypeDef ADC_InitStruct;
FL_ADC_CommonInitTypeDef Common_InitStruct;
FL_DMA_InitTypeDef DMA_InitStruct = {0};
FL_DMA_ConfigTypeDef DMA_ConfigStruct = {0};
/************************************************** 配置用于触发ADC的定时器频率 **********************************************************/
InitStructer.prescaler = 63; /* 配置BSTIM16预分频 */
InitStructer.autoReload = 9999; /* 配置BSTIM16目标寄存器 */
InitStructer.autoReloadState = FL_ENABLE; /* 配置BSTIM16预装载功能 */
InitStructer.clockSource = FL_CMU_BSTIM16_CLK_SOURCE_APBCLK; /* 配置BSTIM16工作时钟源 */
(void)FL_BSTIM16_Init(BSTIM16, &InitStructer);
FL_BSTIM16_SetTriggerOutput(BSTIM16, FL_BSTIM16_TRGO_UPDATE); /* 配置BSTIM16 Trigger事件 */
FL_BSTIM16_ClearFlag_Update(BSTIM16); /* 清updata标志 */
/************************************************** 配置ADC通用配置 **********************************************************/
Common_InitStruct.clockSource = FL_ADC_CLK_SOURCE_APBCLK; /* 配置ADC工作时钟源 */
Common_InitStruct.clockPrescaler = FL_ADC_CLK_PSC_DIV2; /* 配置ADC工作时钟分配 */
Common_InitStruct.referenceSource = FL_ADC_REF_SOURCE_VDDA; /* 配置ADC参考源 */
Common_InitStruct.bitWidth = FL_ADC_BIT_WIDTH_12B; /* 配置ADC输出位宽 */
(void)FL_ADC_CommonInit(&Common_InitStruct);
/************************************************** 配置GPIO引脚状态 **********************************************************/
GPIO_InitStruct.pin = ADC_PRESS_GPIO_PIN; /* 配置GPIO的引脚号 */
GPIO_InitStruct.mode = FL_GPIO_MODE_ANALOG; /* 配置GPIO的功能模式 */
GPIO_InitStruct.outputType = FL_GPIO_OUTPUT_PUSHPULL; /* 配置GPIO的输出模式 */
GPIO_InitStruct.pull = FL_DISABLE; /* 配置GPIO输上拉模式 */
GPIO_InitStruct.remapPin = FL_DISABLE; /* 配置GPIO数字重定向功能 */
GPIO_InitStruct.analogSwitch = FL_DISABLE; /* 配置GPIO模拟开关功能 */
(void)FL_GPIO_Init(ADC_PRESS_GPIO_PORT, &GPIO_InitStruct); /* GPIO初始化 */
GPIO_InitStruct.pin = ADC_NTC_GPIO_PIN;
(void)FL_GPIO_Init(ADC_NTC_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.pin = ADC_220V_GPIO_PIN;
(void)FL_GPIO_Init(ADC_220V_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.pin = ADC_ELEC_GPIO_PIN;
(void)FL_GPIO_Init(ADC_ELEC_GPIO_PORT, &GPIO_InitStruct);
/************************************************** 配置ADC工作通道 **********************************************************/
// 初始化ADC采样通道
ADC_InitStruct.conversionMode = FL_ADC_CONV_MODE_SINGLE; /* 配置ADC转换模式 */
ADC_InitStruct.autoMode = FL_ADC_SINGLE_CONV_MODE_AUTO; /* 配置ADC转换流程，仅对单次转换有效 */
ADC_InitStruct.waitMode = FL_DISABLE; /* 配置ADC等待模式 */
ADC_InitStruct.overrunMode = FL_ENABLE; /* 配置ADC_Overrun模式 */
ADC_InitStruct.scanDirection = FL_ADC_SEQ_SCAN_DIR_FORWARD; /* 配置ADC扫描顺序 */
ADC_InitStruct.externalTrigConv = FL_ADC_TRIGGER_EDGE_RISING; /* 配置非软件触发使能及极性 */
ADC_InitStruct.triggerSource = FL_ADC_TRGI_BSTIM16; /* 配置ADC非软件触发源 */
ADC_InitStruct.fastChannelTime = FL_ADC_FAST_CH_SAMPLING_TIME_16_ADCCLK; /* 配置ADC快速通道采样时间 */
ADC_InitStruct.lowChannelTime = FL_ADC_SLOW_CH_SAMPLING_TIME_512_ADCCLK; /* 配置ADC慢速通道采样时间 */
ADC_InitStruct.oversamplingMode = FL_ENABLE; /* 配置ADC过采样模式 */
ADC_InitStruct.overSampingMultiplier = FL_ADC_OVERSAMPLING_MUL_16X; /* 配置ADC过采样率 */
ADC_InitStruct.oversamplingShift = FL_ADC_OVERSAMPLING_SHIFT_4B; /* 配置ADC过采样结果移位 */
(void)FL_ADC_Init(ADC, &ADC_InitStruct);
FL_ADC_EnableSequencerChannel(ADC, ADC_PRESS_CHANNEL); /*通道选择*/
FL_ADC_EnableSequencerChannel(ADC, ADC_NTC_CHANNEL);
FL_ADC_EnableSequencerChannel(ADC, ADC_220V_CHANNEL);
FL_ADC_EnableSequencerChannel(ADC, ADC_ELEC_CHANNEL);
FL_ADC_EnableSequencerChannel(ADC, FL_ADC_INTERNAL_VREF1P2);
FL_VREF_EnableVREFBuffer(VREF);
FL_ADC_EnableDMAReq(ADC); /*配置ADC_DMA*/
/************************************************** 配置DMA转换 **********************************************************/
DMA_InitStruct.periphAddress = FL_DMA_PERIPHERAL_FUNCTION1; //配置DMA通道功能
DMA_InitStruct.direction = FL_DMA_DIR_PERIPHERAL_TO_RAM; //配置DMA通道方向
DMA_InitStruct.memoryAddressIncMode = FL_DMA_MEMORY_INC_MODE_INCREASE; //配置RAM的增减方向
DMA_InitStruct.dataSize = FL_DMA_BANDWIDTH_16B; //配置DMA传输位宽
DMA_InitStruct.priority = FL_DMA_PRIORITY_HIGH; //配置DMA通道优先级
DMA_InitStruct.circMode = FL_ENABLE; //配置DMA通道循环缓存
(void)FL_DMA_Init(DMA, &DMA_InitStruct, FL_DMA_CHANNEL_0);
FL_DMA_Enable(DMA); //配置DMA全局开关
/************************************************** 配置DMA通道 **********************************************************/
DMA_ConfigStruct.memoryAddress = (uint32_t)adc_result; //配置DMA_RAM地址
DMA_ConfigStruct.transmissionCount = ADC_SAMPLE_COUNT - 1; //配置DMA传输长度
(void)FL_DMA_StartTransmission(DMA, &DMA_ConfigStruct, FL_DMA_CHANNEL_0);
FL_ADC_ClearFlag_EndOfConversion(ADC);
FL_ADC_Enable(ADC);
FL_BSTIM16_Enable(BSTIM16);
}
void sample_adc_process_task(void)
{
// 对采样结果进行修改
MsgQueueItem queue_item;
int32_t temp_press;
queue_item.type = MSG_TYPE_AD_SAMPLING;
queue_item.data.adc_data.adc_elec_value = adc_result[ADC_IDX_ELEC];
queue_item.data.adc_data.adc_ntc_value = adc_result[ADC_IDX_NTC];
queue_item.data.adc_data.adc_press_value = adc_result[ADC_IDX_PRESS];
queue_item.data.adc_data.adc_220v_value = adc_result[ADC_IDX_220V];
// 计算各个通道的真实电压
queue_item.data.adc_data.voltage_elec = (uint32_t)(((uint64_t)adc_result[ADC_IDX_ELEC] * ADC_VREF * 3000) / ((uint64_t)adc_result[ADC_IDX_INTERNAL_VREF1P2] * 4095));
queue_item.data.adc_data.voltage_ntc = (uint32_t)(((uint64_t)adc_result[ADC_IDX_NTC] * ADC_VREF * 3000) / ((uint64_t)adc_result[ADC_IDX_INTERNAL_VREF1P2] * 4095));
queue_item.data.adc_data.voltage_press = (uint32_t)(((uint64_t)adc_result[ADC_IDX_PRESS] * ADC_VREF * 3000) / ((uint64_t)adc_result[ADC_IDX_INTERNAL_VREF1P2] * 4095));
queue_item.data.adc_data.voltage_220v = (uint32_t)(((uint64_t)adc_result[ADC_IDX_220V] * ADC_VREF * 3000) / ((uint64_t)adc_result[ADC_IDX_INTERNAL_VREF1P2] * 4095));
// 计算真实压力值
temp_press = (int32_t)1908 * queue_item.data.adc_data.voltage_press - 852000;
if(temp_press < 0)
{
temp_press = 0;
}
queue_item.data.adc_data.real_press = temp_press / 10000;
// 计算真实温度值
queue_item.data.adc_data.real_ntc = calc_temp_by_adc(queue_item.data.adc_data.voltage_ntc);
// 计算真实网电压值
queue_item.data.adc_data.real_220V = calc_220v_voltage(queue_item.data.adc_data.voltage_220v);
// 计算真实压缩机电流值
queue_item.data.adc_data.real_elec = queue_item.data.adc_data.voltage_elec * 639/100;
modify_or_add_queue_node_by_type(&global_queue, queue_item.type, queue_item); // 每隔100ms修改队列中的AD采样数据
}
/************************ (C) COPYRIGHT YUWELL *****END OF FILE****/
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