[开发工具] 【APM32F107VC-MINI开发板测评】串口打印热敏电阻值

#include "main.h"



/** @addtogroup Examples

  @{

  */



/** @addtogroup ADC_ContinuousConversion

  @{

  */



/** @defgroup ADC_ContinuousConversion_Macros Macros

  @{

*/



/* printf function configs to USART1 */

#define DEBUG_USART  USART1



/**@} end of group ADC_ContinuousConversion_Macros*/



/** @defgroup ADC_ContinuousConversion_Functions Functions

  @{

  */



void ADC_Init(void);

void Delay(uint32_t count);



/*!

 * [url=home.php?mod=space&uid=247401]@brief[/url]       Main program

 *

 * @param       None

 *

 * @retval      None

 *

 */

int main(void)

{

    USART_Config_T USART_ConfigStruct;

    

    /* USART config */

    USART_ConfigStruct.baudRate = 115200;

    USART_ConfigStruct.hardwareFlow = USART_HARDWARE_FLOW_NONE;

    USART_ConfigStruct.mode = USART_MODE_TX;

    USART_ConfigStruct.parity = USART_PARITY_NONE;

    USART_ConfigStruct.stopBits = USART_STOP_BIT_1;

    USART_ConfigStruct.wordLength = USART_WORD_LEN_8B;



    APM_MINI_COMInit(COM1, &USART_ConfigStruct);

    

    /* ADC1 initialization */

    ADC_Init();

    

    while(1)

    {

                        printf("\r\n voltage : mV\r\n");

    }

}



/*!

 * @brief     ADC Init

 *

 * @param     None

 *

 * @retval    None

 */

void ADC_Init(void)

{

    GPIO_Config_T           gpioConfig;

    ADC_Config_T            adcConfig;



    /* Enable GPIOA clock */

    RCM_EnableAPB2PeriphClock(RCM_APB2_PERIPH_GPIOA);



    /* ADC channel 0 configuration */

    GPIO_ConfigStructInit(&gpioConfig);

    gpioConfig.mode    = GPIO_MODE_ANALOG;

    gpioConfig.pin     = GPIO_PIN_0;

    GPIO_Config(GPIOA, &gpioConfig);



    /* ADCCLK = PCLK2/4 */

    RCM_ConfigADCCLK(RCM_PCLK2_DIV_4);

    

    /* Enable ADC clock */

    RCM_EnableAPB2PeriphClock(RCM_APB2_PERIPH_ADC1);



    /* ADC configuration */

    ADC_Reset(ADC1);

    ADC_ConfigStructInit(&adcConfig);

    adcConfig.mode                  = ADC_MODE_INDEPENDENT;

    adcConfig.scanConvMode          = DISABLE;

    adcConfig.continuosConvMode     = ENABLE;

    adcConfig.externalTrigConv      = ADC_EXT_TRIG_CONV_None;

    adcConfig.dataAlign             = ADC_DATA_ALIGN_RIGHT;

    /* channel number */

    adcConfig.nbrOfChannel          = 1;

    ADC_Config(ADC1, &adcConfig);



    /* ADC channel Convert configuration */

    ADC_ConfigRegularChannel(ADC1, ADC_CHANNEL_0, 1, ADC_SAMPLETIME_13CYCLES5);

    

    /* Enable complete conversion interupt */

    ADC_EnableInterrupt(ADC1, ADC_INT_EOC);



    /* NVIC configuration */

    NVIC_EnableIRQRequest(ADC1_2_IRQn, 1, 1);

    

    /* Enable ADC */

    ADC_Enable(ADC1);



    /* Enable ADC1 reset calibration register */

    ADC_ResetCalibration(ADC1);

    /* Check the end of ADC1 reset calibration register */

    while(ADC_ReadResetCalibrationStatus(ADC1));



    /* Start ADC1 calibration */

    ADC_StartCalibration(ADC1);

    /* Check the end of ADC1 calibration */

    while(ADC_ReadCalibrationStartFlag(ADC1));



    /* Start ADC1 Software Conversion */

    ADC_EnableSoftwareStartConv(ADC1);

}



/*!

 * @brief       ADC1 Isr

 *

 * @param       None

 *

 * @retval      None

 *

 * [url=home.php?mod=space&uid=536309]@NOTE[/url]        This function need to put into ADC1_2_IRQHandler in apm32f10x_int.c

 */

void ADC1_Isr(void)

{

    uint16_t adcData = 0;

    uint16_t voltage = 0;

    

    if (ADC_ReadIntFlag(ADC1, ADC_INT_EOC) == SET)

    {

        ADC_ClearIntFlag(ADC1, ADC_INT_EOC);

        /* Read ADC Conversion value */

        adcData = ADC_ReadConversionValue(ADC1);

        /* voltage(mV) = adcData * (3300mV / 4095) */

        voltage = (adcData * 3300) / 4095;

        printf("\r\n voltage : %d mV\r\n", voltage);

    }

}



/*!

 * @brief     Delay

 *

 * @param     count:  delay count

 *

 * @retval    None

 */

void Delay(uint32_t count)

{

    uint16_t i = 0;

    

    while (count--)

    {

        i = 7995;

        while (i--);

    }

}



#if defined (__CC_ARM) || defined (__ICCARM__) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))



/*!

* @brief       Redirect C Library function printf to serial port.

*              After Redirection, you can use printf function.

*

* @param       ch:  The characters that need to be send.

*

* @param       *f:  pointer to a FILE that can recording all information

*              needed to control a stream

*

* @retval      The characters that need to be send.

*

* @note

*/

int fputc(int ch, FILE* f)

{

    /* send a byte of data to the serial port */

    USART_TxData(DEBUG_USART, (uint8_t)ch);



    /* wait for the data to be send */

    while (USART_ReadStatusFlag(DEBUG_USART, USART_FLAG_TXBE) == RESET);



    return (ch);

}



#elif defined (__GNUC__)



/*!

* @brief       Redirect C Library function printf to serial port.

*              After Redirection, you can use printf function.

*

* @param       ch:  The characters that need to be send.

*

* @retval      The characters that need to be send.

*

* @note

*/

int __io_putchar(int ch)

{

    /* send a byte of data to the serial port */

    USART_TxData(DEBUG_USART, ch);



    /* wait for the data to be send */

    while (USART_ReadStatusFlag(DEBUG_USART, USART_FLAG_TXBE) == RESET);



    return ch;

}



/*!

* @brief       Redirect C Library function printf to serial port.

*              After Redirection, you can use printf function.

*

* @param       file:  Meaningless in this function.

*

* @param       *ptr:  Buffer pointer for data to be sent.

*

* @param       len:  Length of data to be sent.

*

* @retval      The characters that need to be send.

*

* @note

*/

int _write(int file, char* ptr, int len)

{

    int i;

    for (i = 0; i < len; i++)

    {

        __io_putchar(*ptr++);

    }



    return len;

}



#else

#warning Not supported compiler type

#endif



/**@} end of group ADC_ContinuousConversion_Functions */

/**@} end of group ADC_ContinuousConversion */

/**@} end of group Examples */