[GD32F310开发板试用]ADC采集及串口发送

GD32F310K8芯片资源介绍

title=
总体来说此款芯片存储空间较小，移植一些裸机程序的可玩性还是较高的。并且也能验证温度，ADC采集等性能。

开发准备

PC端：windows10
开发软件：keil4.60
开发板：GD32F310k\\\_start
GD32F310系列资料下载https://aijishu.com/a/1060000000306188

部分代码简要

ADC配置

/*!
    \brief      configure the ADC peripheral
    \param[in]  none
    \param[out] none
    \retval     none
*/
void adc_config(void)
{
    /* ADC contineous function enable */
    adc_special_function_config(ADC_CONTINUOUS_MODE, ENABLE);
    /* ADC trigger config */
    adc_external_trigger_source_config(ADC_REGULAR_CHANNEL, ADC_EXTTRIG_REGULAR_NONE);
    /* ADC data alignment config */
    adc_data_alignment_config(ADC_DATAALIGN_RIGHT);
    /* ADC channel length config */
    adc_channel_length_config(ADC_REGULAR_CHANNEL, 1U);

    /* ADC regular channel config */
    adc_regular_channel_config(0U, BOARD_ADC_CHANNEL, ADC_SAMPLETIME_55POINT5);
    adc_external_trigger_config(ADC_REGULAR_CHANNEL, ENABLE);

    /* 16 times sample, 4 bits shift */
    adc_oversample_mode_config(ADC_OVERSAMPLING_ALL_CONVERT, ADC_OVERSAMPLING_SHIFT_4B, ADC_OVERSAMPLING_RATIO_MUL16);
    adc_oversample_mode_enable();

    /* enable ADC interface */
    adc_enable();
    delay_1ms(1U);
    /* ADC calibration and reset calibration */
    adc_calibration_enable();
}

串口配置

/*!
    \brief      configure COM port
    \param[in]  com: COM on the board
                only one parameter can be selected which is shown as below:
      \arg        EVAL_COM: COM on the board
    \param[out] none
    \retval     none
*/
void gd_eval_com_init(uint32_t com)
{
    uint32_t COM_ID = 0U;
    
    if(EVAL_COM == com){
        COM_ID = 0U;
    }else{
    }

    /* enable COM GPIO clock */
    rcu_periph_clock_enable(EVAL_COM_GPIO_CLK);

    /* enable USART clock */
    rcu_periph_clock_enable(COM_CLK[COM_ID]);

    /* connect port to USARTx_Tx */
    gpio_af_set(EVAL_COM_GPIO_PORT, EVAL_COM_AF, COM_TX_PIN[COM_ID]);

    /* connect port to USARTx_Rx */
    gpio_af_set(EVAL_COM_GPIO_PORT, EVAL_COM_AF, COM_RX_PIN[COM_ID]);

    /* configure USART Tx as alternate function push-pull */
    gpio_mode_set(EVAL_COM_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, COM_TX_PIN[COM_ID]);
    gpio_output_options_set(EVAL_COM_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, COM_TX_PIN[COM_ID]);

    /* configure USART Rx as alternate function push-pull */
    gpio_mode_set(EVAL_COM_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, COM_RX_PIN[COM_ID]);
    gpio_output_options_set(EVAL_COM_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, COM_RX_PIN[COM_ID]);

    /* USART configure */
    usart_deinit(com);
    usart_baudrate_set(com, 115200U);
    usart_word_length_set(USART0, USART_WL_8BIT);
    usart_stop_bit_set(USART0, USART_STB_1BIT);
    usart_parity_config(USART0, USART_PM_NONE);
    usart_receive_config(com, USART_RECEIVE_ENABLE);
    usart_transmit_config(com, USART_TRANSMIT_ENABLE);

    usart_enable(com);
}