【AT-START-F407测评】+ TN9
今天捣鼓了一下TN9模块TN9模块是红外测温模块。
接线：
DATA:PB12
CLK:PB14
ACTION:PD8
代码：
#include <stdio.h>
#include "at32f4xx.h"
#include "at32_board.h"
/** @addtogroup AT32F407_StdPeriph_Examples
* @{
*/
/** @addtogroup GPIO_LEDToggle
* @{
*/
#define uchar unsigned char
#define uint unsigned int
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
void ACK_0() { ACK_GPIO->BRE = ACK_PIN;}//
void ACK_1() { ACK_GPIO->BSRE = ACK_PIN;}
#define DATA GPIO_ReadInputDataBit(DATA_GPIO,DATA_PIN)
#define CLOCK GPIO_ReadInputDataBit(CLK_GPIO,CLK_PIN)
float Temp;
float Temp1,Temp2;
unsigned char ReadData;
//floata,b;
void AT32_TN9_Init(void)
{
GPIO_InitType GPIO_InitStructure;
/*Enable the LED Clock*/
RCC_APB2PeriphClockCmd(CLK_GPIO_RCC_CLK|DATA_GPIO_RCC_CLK|ACK_GPIO_RCC_CLK, ENABLE);
/*Configure the LED pin as ouput push-pull*/
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pins = ACK_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT_PP;
GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_10MHz;
GPIO_Init(ACK_GPIO, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pins = CLK_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(CLK_GPIO, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pins = DATA_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(DATA_GPIO, &GPIO_InitStructure);
}
//-----------------------------------------------------------------------------------------
//????:Delay()
//? ?:?????
//-----------------------------------------------------------------------------------------
void Delay(unsigned char us)//5,7,9
{
while(--us);
}
//-----------------------------------------------------------------------------------------
//????:Delayms()
//-----------------------------------------------------------------------------------------
void Delayms(unsigned int ims)
{
unsigned int i,j;
for(i=0;i<ims;i++)
for(j=0;j<65;j++)
{
Delay(1);
}
}
void TN_IRACK_EN(void)
{
ACK_0();
Delay(1);
}
void TN_IRACK_UN(void)
{
ACK_1();
Delay(1);
}
void TN_ReadData(unsigned char Flag)
{
unsigned char i,j,k,BitState=0;
for(k=0;k<7;k++)
{
for(j=0;j<5;j++)
{
for(i=0;i<8;i++)
{
while(1)
{
if(CLOCK==0)
break;
Delay(1);
}
Delay(1);
if(DATA==1)
BitState=1;
else
BitState=0;
ReadData= ReadData<<1;
ReadData= ReadData|BitState;
Delay(1);
while(1)
{
if(CLOCK==1)
break;
Delay(1);
}
}
}
if(ReadData==Flag)
k=8;
}
TN_IRACK_UN();
}
float TN_GetData(unsigned char X)
{
AT32_TN9_Init();
TN_ReadData(X);
Temp=(ReadData<<8)|ReadData;
Temp=(float)Temp/16.00-273.15;
return Temp;
}
float TN_GetTemp(unsigned char mode)
{
float T;
{
TN_IRACK_UN();
TN_IRACK_EN();
if(mode==0)
{
T=TN_GetData(0x4c);
}
else
{
T=TN_GetData(0x66);
}
}
return T;
}
/**
* @briefMain Function.
* @paramNone
* @retval None
*/
int main(void)
{
AT32_Board_Init();
AT32_TN9_Init();
for(;;)
{
AT32_LEDn_Toggle(LED2);
Temp1=TN_GetTemp(0);
Temp2=TN_GetTemp(1);
Delay_ms(1000);
}
}
#ifdefUSE_FULL_ASSERT
/**
* @briefReports the name of the source file and the source line number
* where the assert_param error has occurred.
* @paramfile: pointer to the source file name
* @paramline: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{}
}
#endif
/**
* @}
*/
/**
* @}
*/
效果图：
另外发现一个问题设个断点调试，运行完，停不下，提示错误。
请问这是怎么回事？谢谢
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