kopia lustrzana https://github.com/SP8EBC/ParaTNC
77 wiersze
1.9 KiB
C
77 wiersze
1.9 KiB
C
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#include "adc.h"
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#include <stdlib.h>
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#include <stdio.h>
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#define ADC1_DR_Address ((uint32_t)0x4001244C)
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Afsk *adc_afsk;
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volatile uint16_t ADCValue[16];
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uint16_t max_value;
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uint32_t samplecount;
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/*********************************************************************************************************************/
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void AD_Init(Afsk *af) {
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/*********************************************************************************************************************/
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GPIO_InitTypeDef GPIO_InitStructure;
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NVIC_InitTypeDef NVIC_InitStructure;
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//Dolacz zegar do GPIOA, ADC1
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RCC->APB2ENR |= RCC_APB2Periph_GPIOA | RCC_APB2Periph_ADC1;
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RCC_ADCCLKConfig(RCC_PCLK2_Div6);
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//Dolacz zegar do DMA1
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RCC->AHBENR |= RCC_AHBPeriph_DMA1;
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//Konfiguracja portu
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 ;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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AD_Reset();
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adc_afsk = af;
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//Przerwania DMA1 Kanal1
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NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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}
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/*********************************************************************************************************************/
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void AD_Start() {
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/*********************************************************************************************************************/
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// samplecount = 0;
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// max_value = 0;
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//Timer3 ENABLE
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TIM2->CR1 |= TIM_CR1_CEN;
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}
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/*********************************************************************************************************************/
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void AD_Stop() {
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/*********************************************************************************************************************/
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//Timer3 DISABLE
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TIM2->CR1 &= ~TIM_CR1_CEN;
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// AD_Reset();
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}
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