STM32下地PT100驱动程序,适用于ucos系统

1、实用标准文档/* 文件名称:HAL_ADC.h* 版本:* 说明:*/extern unsigned short int LED1_AdcValue;/extern unsigned short int LED2_AdcValue;/extern unsigned short int PTC100_AdcValue;extern unsigned short int TEST1_AdcValue;extern unsigned short int TEST2_AdcValue;/* 提供给其他C 文件调用的函数 */void ADC_ReadInit(void);void AdcPro(voi

2、d);/* 文件名称 : HAL_PT100.c* 版本:* 说明：PT100温度传感器驱动*/#include "bsp.h"const unsigned short int PT100_Table=8031,8070,8110,8150,8189,8229,8269,8308,8348,8387,/*-5041*/8427,8467,8506,8546,8585,8625,8664,8704,8743,8783,/*-4031*/8822,8862,8901,8940,8980,9019,9059,9098,9137,9177,/*-3021*/9216,9255,92

3、95,9334,9373,9412,9452,9491,9530,9569,/*-2011*/9609,9648,9687,9726,9765,9804,9844,9883,9922,9961,/*-101 */10000,10039,10078,10117,10156,10195,10234,10273,10312,10351,/*09 */文案大全实用标准文档10390,10429,10468,10507,10546,10585,10624,10663,10702,10740,/*1019*/10779,10818,10857,10896,10935,10973,11012,11051,1

4、1090,11129,/*2029*/11167,11206,11245,11283,11322,11361,11400,11438,11477,11515,/*3039*/11554,11593,11631,11670,11708,11747,11786,11824,11863,11901,/*4049*/11940,11978,12017,12055,12094,12132,12171,12209,12247,12286,/*5059*/12324,12363,12401,12439,12478,12516,12554,12593,12631,12669,/*6069*/12708,127

5、46,12784,12822,12861,12899,12937,12975,13013,13052,/*7079 */13090,13128,13166,13204,13242,13280,13318,13357,13395,13433,/*8089*/13471,13509,13547,13585,13623,13661,13699,13737,13775,13813,/*9099*/13851,13888,13926,13964,14002,14040,14078,14116,14154,14191,/*100109*/14229,14267,14305,14343,14308,1441

6、8,14456,14494,14531,14569,/*110119*/14607,14644,14682,14720,14757,14795,14833,14870,14908,14946,/*120129*/14983,15021,15058,15096,15133,15171,15208,15246,15286,15321,/*130139*/15358,15396,15433,15471,15508,15546,15583,15620,15658,15695,/*140149*/15733,15770,15807,15845,15882,15919,15956,15994,16031,

7、16068,/*150159*/16105,16143,16180,16217,16254,16291,16329,16366,16403,16440,/*160169*/16477,16514,16551,16589,16626,16663,16700,16737,16774,16811,/*170179*/16848,16885,16922,16959,16996,17033,17070,17107,17143,17180,/*180189*/17217,17054,17294,17328,17365,17402,17438,17475,17512,17549,/*190199 */175

8、86,/*200 */;PT100_Driver_T PT100_Driver;/*PT100阻值的计算公式为 pt = 8.932*ad/i -k,pt-指PT100在某个温度下的电阻值*100,ad是读出来的 ad 值，i恒流源电流，单位mAk-是一个固定补偿值，指PT100导线的电阻乘以100比如导线固定电阻=1 Q，则k=100.返回值:温度值，单位为0.1 。*/unsigned short int pt;short int ReadTempereture(void) /unsigned int i;/unsigned short int pt;unsigned char j,k;s

9、hort int temp;float a,b,c;#ifdef BOARD_V123/a = (float)PTC100_AdcValue * 45.0 / 1024.0 * 100.0;a = (float)PTC100_AdcValue*1000*9/ 50/65536*(10+2.1)/10.0; /PTC100_ADC = 20306 原是 *(10+2.2) pt = (unsigned short int)(a*100);#else/a = (float)PTC100_AdcValue * 45.0 / 1024.0 * 100.0;a = (float)PTC100_AdcVa

10、lue*300/32768/0.87; /PTC100_ADC = 20306 pt = (unsigned short int)(a*100);#endif#ifdef BOARD_V20170103a = 604.0 * 51 *100 / 32768 / 47;pt = PTC100_AdcValue * a - 5100;#endiffor(j=0; j<251; j+)if(pt < PT100_Tablej)break;if(j=0)return -500;else if(j=251)return 2000;elsetemp = j-50-1;temp *= 10;fo

11、r(k=0; k<10; k+)if(pt < PT100_Tablej-1+(unsigned char)(3.8*k)break;temp += k;return temp; /* 函数名 :RToTemp* 功能说明:电阻温度转换函数* 形参:* R: 输入的电阻值* 返 回 值 : short int 温度*/short int RToTemp(float R) unsigned short int pt;unsigned char j,k;short int temp;pt = (unsigned short int)R*100;for(j=0; j<251; j+

12、) if(pt < PT100_Tablej) break;if(j=0)return -500;else if(j=251)return 2000; elsetemp = j-50-1;temp *= 10;for(k=0; k<10; k+)if(pt < PT100_Tablej-1+(unsigned char)(3.8*k) break;temp += k;return temp;unsigned short int PT100AdcValue64;文案大全void PT100_DMA_Config(void)DMA_InitTypeDef DMA_InitStru

13、cture;RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);/* DMA2 Stream3 channel3 配置 */DMA_InitStructure.DMA_Channel = DMA_Channel_1;DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC2->DR;DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)PT100AdcValue;DMA_InitStructure.DMA_DIR = DMA_

14、DIR_PeripheralToMemory;DMA_InitStructure.DMA_BufferSize = 64; / 64;DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;DMA_InitStructure.DMA_MemoryDataSize =

15、DMA_MemoryDataSize_HalfWord;DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;DMA_InitStructure.DMA_Priority = DMA_Priority_High;DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Sin

16、gle;DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;DMA_Init(DMA2_Stream3, &DMA_InitStructure);DMA_Cmd(DMA2_Stream3, ENABLE);void PT100_ADC_Config(void)GPIO_InitTypeDef GPIO_InitStructure;ADC_InitTypeDef ADC_InitStructure;ADC_CommonInitTypeDef ADC_CommonInitStructure;/* 使能 ADC

17、2 and GPIOC clock */RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA , ENABLE);RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);/*配置PA1为模拟输入(ADC123 Channell) PT100检测车入 */GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPUL

18、L;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOA, &GPIO_InitStructure);/ADC_DeInit();/* ADC Common 配置 */ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;ADC_CommonInitStructure.ADC_DMAAccessMod

19、e = ADC_DMAAccessMode_Disabled;/ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8;ADC_CommonInit(&ADC_CommonInitStructure);/* ADC2 regular channel 12 con figuration */ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;ADC_InitStructure.ADC_ScanConvMode = DISABLE;ADC_InitStructure.ADC

20、_ContinuousConvMode = ENABLE;/ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;ADC_InitStructure.ADC_NbrOfConversion = 1;/* 1 个转换在规则序列中 也就是转换规则序列 5 */A

21、DC_Init(ADC2, &ADC_InitStructure);/*使能DMA请求(单ADC模式)*/ADC_DMARequestAfterLastTransferCmd(ADC2, ENABLE);/* 使能 ADC2 DMA */ADC_DMACmd(ADC2, ENABLE);/* 配置 ADC2 规则通道 12 channel12 configuration */ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 1, ADC_SampleTime_56Cycles);/* 使能 ADC2 */ADC_Cmd(ADC2, ENABLE

22、);/*软件使能ADC2转换*/ADC_SoftwareStartConv(ADC2);void PT100_Config(void)/ PT100_DMA_Config();/ PT100_ADC_Config();void PT100Init(void)PT100_Config();PT100_Driver.ReadTemp = ReadTempereture;/unsigned short int PTC100_AdcValue;static unsigned short int OverSampCal1(unsigned short int *adc) unsigned char i;

23、unsigned int j;j=0;for(i=0;i<64;i+)j+=adci;j>>=3;return (unsigned short int)j;static unsigned short int CalAdcValue2(unsigned short int *adc)unsigned char i,j;unsigned int x;/* 进行冒泡排序*/for(i=0; i<100; i+)/ 进行 10 轮排序for(j=0; j<100-i-1; j+)/ 每轮进行 9-i 次交换if(adcj > adcj+1)x = adcj;adcj = adcj+1;/ 大的沉底，小的上浮adcj+1 = x;/* 去掉两个最高和两个最低，取中间 6 个数值的平均值 */ for(x=0,i=20; i<80; i+)x += adci;x /= 60;return (unsigned short int)x;static unsi