265 lines
9.2 KiB
C
265 lines
9.2 KiB
C
/**
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**************************************************************************
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* @file main.c
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* @brief main program
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "at32f435_437_board.h"
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#include "at32f435_437_clock.h"
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/** @addtogroup AT32F437_periph_examples
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* @{
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*/
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/** @addtogroup 437_ADC_combine_mode_ordinary_smlt_oneslave_edma ADC_combine_mode_ordinary_smlt_oneslave_edma
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* @{
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*/
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__IO uint32_t adccom_ordinary_valuetab[5][3];
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__IO uint32_t edma_trans_complete_flag = 0;
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__IO uint32_t adc1_overflow_flag = 0;
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__IO uint32_t adc2_overflow_flag = 0;
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static void gpio_config(void);
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static void edma_config(void);
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static void adc_config(void);
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/**
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* @brief gpio configuration.
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* @param none
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* @retval none
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*/
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static void gpio_config(void)
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{
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gpio_init_type gpio_initstructure;
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crm_periph_clock_enable(CRM_GPIOA_PERIPH_CLOCK, TRUE);
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crm_periph_clock_enable(CRM_GPIOB_PERIPH_CLOCK, TRUE);
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gpio_default_para_init(&gpio_initstructure);
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/* config adc pin as analog input mode */
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gpio_initstructure.gpio_mode = GPIO_MODE_ANALOG;
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gpio_initstructure.gpio_pins = GPIO_PINS_4 | GPIO_PINS_5 | GPIO_PINS_6 | GPIO_PINS_7;
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gpio_init(GPIOA, &gpio_initstructure);
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gpio_initstructure.gpio_mode = GPIO_MODE_ANALOG;
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gpio_initstructure.gpio_pins = GPIO_PINS_0 | GPIO_PINS_1;
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gpio_init(GPIOB, &gpio_initstructure);
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}
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/**
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* @brief edma configuration.
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* @param none
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* @retval none
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*/
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static void edma_config(void)
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{
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edma_init_type edma_init_struct;
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crm_periph_clock_enable(CRM_EDMA_PERIPH_CLOCK, TRUE);
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nvic_irq_enable(EDMA_Stream1_IRQn, 0, 0);
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edma_reset(EDMA_STREAM1);
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edma_default_para_init(&edma_init_struct);
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edma_init_struct.buffer_size = 15;
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edma_init_struct.direction = EDMA_DIR_PERIPHERAL_TO_MEMORY;
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edma_init_struct.memory0_base_addr = (uint32_t)adccom_ordinary_valuetab;
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edma_init_struct.memory_burst_mode = EDMA_MEMORY_SINGLE;
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edma_init_struct.memory_data_width = EDMA_MEMORY_DATA_WIDTH_WORD;
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edma_init_struct.memory_inc_enable = TRUE;
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edma_init_struct.peripheral_base_addr = (uint32_t)&(ADCCOM->codt);
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edma_init_struct.peripheral_burst_mode = EDMA_PERIPHERAL_SINGLE;
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edma_init_struct.peripheral_data_width = EDMA_PERIPHERAL_DATA_WIDTH_WORD;
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edma_init_struct.peripheral_inc_enable = FALSE;
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edma_init_struct.priority = EDMA_PRIORITY_VERY_HIGH;
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edma_init_struct.loop_mode_enable = FALSE;
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edma_init_struct.fifo_threshold = EDMA_FIFO_THRESHOLD_1QUARTER;
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edma_init_struct.fifo_mode_enable = FALSE;
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edma_init(EDMA_STREAM1, &edma_init_struct);
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/* edmamux init and enable */
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edmamux_enable(TRUE);
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edmamux_init(EDMAMUX_CHANNEL1, EDMAMUX_DMAREQ_ID_ADC1);
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/* enable edma full data transfer interrupt */
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edma_interrupt_enable(EDMA_STREAM1, EDMA_FDT_INT, TRUE);
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edma_stream_enable(EDMA_STREAM1, TRUE);
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}
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/**
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* @brief adc configuration.
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* @param none
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* @retval none
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*/
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static void adc_config(void)
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{
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adc_common_config_type adc_common_struct;
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adc_base_config_type adc_base_struct;
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crm_periph_clock_enable(CRM_ADC1_PERIPH_CLOCK, TRUE);
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crm_periph_clock_enable(CRM_ADC2_PERIPH_CLOCK, TRUE);
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nvic_irq_enable(ADC1_2_3_IRQn, 0, 0);
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adc_common_default_para_init(&adc_common_struct);
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/* config combine mode */
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adc_common_struct.combine_mode = ADC_ORDINARY_SMLT_ONLY_ONESLAVE_MODE;
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/* config division,adcclk is division by hclk */
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adc_common_struct.div = ADC_HCLK_DIV_4;
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/* config common dma mode,it's useful for ordinary group in combine mode */
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adc_common_struct.common_dma_mode = ADC_COMMON_DMAMODE_2;
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/* config common dma request repeat */
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adc_common_struct.common_dma_request_repeat_state = FALSE;
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/* config adjacent adc sampling interval,it's useful for ordinary shifting mode */
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adc_common_struct.sampling_interval = ADC_SAMPLING_INTERVAL_5CYCLES;
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/* config inner temperature sensor and vintrv */
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adc_common_struct.tempervintrv_state = FALSE;
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/* config voltage battery */
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adc_common_struct.vbat_state = FALSE;
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adc_common_config(&adc_common_struct);
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adc_base_default_para_init(&adc_base_struct);
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adc_base_struct.sequence_mode = TRUE;
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adc_base_struct.repeat_mode = FALSE;
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adc_base_struct.data_align = ADC_RIGHT_ALIGNMENT;
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adc_base_struct.ordinary_channel_length = 3;
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adc_base_config(ADC1, &adc_base_struct);
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adc_resolution_set(ADC1, ADC_RESOLUTION_12B);
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/* config ordinary channel */
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adc_ordinary_channel_set(ADC1, ADC_CHANNEL_4, 1, ADC_SAMPLETIME_640_5);
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adc_ordinary_channel_set(ADC1, ADC_CHANNEL_5, 2, ADC_SAMPLETIME_640_5);
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adc_ordinary_channel_set(ADC1, ADC_CHANNEL_6, 3, ADC_SAMPLETIME_640_5);
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/* config ordinary trigger source and trigger edge */
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adc_ordinary_conversion_trigger_set(ADC1, ADC_ORDINARY_TRIG_TMR1CH1, ADC_ORDINARY_TRIG_EDGE_NONE);
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/* config dma mode,it's not useful when common dma mode is use */
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adc_dma_mode_enable(ADC1, FALSE);
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/* config dma request repeat,it's not useful when common dma mode is use */
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adc_dma_request_repeat_enable(ADC1, FALSE);
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/* enable adc overflow interrupt */
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adc_interrupt_enable(ADC1, ADC_OCCO_INT, TRUE);
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adc_base_config(ADC2, &adc_base_struct);
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adc_resolution_set(ADC2, ADC_RESOLUTION_12B);
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adc_ordinary_channel_set(ADC2, ADC_CHANNEL_7, 1, ADC_SAMPLETIME_640_5);
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adc_ordinary_channel_set(ADC2, ADC_CHANNEL_8, 2, ADC_SAMPLETIME_640_5);
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adc_ordinary_channel_set(ADC2, ADC_CHANNEL_9, 3, ADC_SAMPLETIME_640_5);
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adc_ordinary_conversion_trigger_set(ADC2, ADC_ORDINARY_TRIG_TMR1CH1, ADC_ORDINARY_TRIG_EDGE_NONE);
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adc_dma_mode_enable(ADC2, FALSE);
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adc_dma_request_repeat_enable(ADC2, FALSE);
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adc_interrupt_enable(ADC2, ADC_OCCO_INT, TRUE);
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/* adc enable */
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adc_enable(ADC1, TRUE);
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adc_enable(ADC2, TRUE);
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while(adc_flag_get(ADC1, ADC_RDY_FLAG) == RESET);
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while(adc_flag_get(ADC2, ADC_RDY_FLAG) == RESET);
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/* adc calibration */
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adc_calibration_init(ADC1);
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while(adc_calibration_init_status_get(ADC1));
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adc_calibration_start(ADC1);
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while(adc_calibration_status_get(ADC1));
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adc_calibration_init(ADC2);
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while(adc_calibration_init_status_get(ADC2));
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adc_calibration_start(ADC2);
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while(adc_calibration_status_get(ADC2));
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}
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/**
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* @brief main function.
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* @param none
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* @retval none
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*/
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int main(void)
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{
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__IO uint32_t index = 0;
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nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
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/* config the system clock */
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system_clock_config();
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/* init at start board */
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at32_board_init();
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at32_led_off(LED2);
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at32_led_off(LED3);
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at32_led_off(LED4);
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uart_print_init(115200);
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gpio_config();
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edma_config();
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adc_config();
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printf("combine_mode_ordinary_simult \r\n");
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/* adc1 software trigger start conversion */
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for(index = 0; index < 5; index++)
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{
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adc_ordinary_software_trigger_enable(ADC1, TRUE);
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delay_ms(100);
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}
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if((edma_trans_complete_flag == 0) || (adc1_overflow_flag != 0) || (adc2_overflow_flag != 0))
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{
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/* printf flag when error occur */
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at32_led_on(LED3);
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at32_led_on(LED4);
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printf("error occur\r\n");
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printf("edma_trans_complete_flag = %d\r\n",edma_trans_complete_flag);
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printf("adc1_overflow_flag = %d\r\n",adc1_overflow_flag);
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printf("adc2_overflow_flag = %d\r\n",adc2_overflow_flag);
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}
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else
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{
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/* printf data when conversion end without error */
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printf("conversion end without error\r\n");
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for(index = 0; index < 5; index++)
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{
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printf("adc1_ordinary_channel4[%d] = 0x%x\r\n",index, adccom_ordinary_valuetab[index][0] & 0xFFFF);
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printf("adc1_ordinary_channel5[%d] = 0x%x\r\n",index, adccom_ordinary_valuetab[index][1] & 0xFFFF);
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printf("adc1_ordinary_channel6[%d] = 0x%x\r\n",index, adccom_ordinary_valuetab[index][2] & 0xFFFF);
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printf("adc2_ordinary_channel7[%d] = 0x%x\r\n",index, (adccom_ordinary_valuetab[index][0] >> 16) & 0xFFFF);
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printf("adc2_ordinary_channel8[%d] = 0x%x\r\n",index, (adccom_ordinary_valuetab[index][1] >> 16) & 0xFFFF);
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printf("adc2_ordinary_channel9[%d] = 0x%x\r\n",index, (adccom_ordinary_valuetab[index][2] >> 16) & 0xFFFF);
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printf("\r\n");
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}
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}
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at32_led_on(LED2);
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while(1)
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{
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}
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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