cocoa_STM_ver_BIPOLAR

Dependencies:   mbed FastPWM

Committer:
GiJeongKim
Date:
Tue Aug 20 12:35:26 2019 +0000
Revision:
1:be9b2f6d39c2
Parent:
0:51c43836c1d7
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
GiJeongKim 0:51c43836c1d7 1 #include "mbed.h"
GiJeongKim 0:51c43836c1d7 2 #include "FastPWM.h"
GiJeongKim 0:51c43836c1d7 3 #include "setting.h"
GiJeongKim 0:51c43836c1d7 4
GiJeongKim 0:51c43836c1d7 5 void Init_ADC(void){
GiJeongKim 0:51c43836c1d7 6 // ADC Setup
GiJeongKim 0:51c43836c1d7 7 RCC->APB2ENR |= RCC_APB2ENR_ADC3EN; // clock for ADC3
GiJeongKim 0:51c43836c1d7 8 RCC->APB2ENR |= RCC_APB2ENR_ADC2EN; // clock for ADC2
GiJeongKim 0:51c43836c1d7 9 RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; // clock for ADC1
GiJeongKim 0:51c43836c1d7 10
GiJeongKim 0:51c43836c1d7 11 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN; // Enable clock for GPIOC
GiJeongKim 0:51c43836c1d7 12 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN; // Enable clock for GPIOA
GiJeongKim 0:51c43836c1d7 13
GiJeongKim 0:51c43836c1d7 14 ADC->CCR = 0x00000016; // Regular simultaneous mode only
GiJeongKim 0:51c43836c1d7 15 ADC1->CR2 |= ADC_CR2_ADON;//0x00000001; // ADC1 ON
GiJeongKim 0:51c43836c1d7 16 ADC1->SQR3 = 0x0000000E; //channel // use PC_4 as input- ADC1_IN14
GiJeongKim 0:51c43836c1d7 17 ADC2->CR2 |= ADC_CR2_ADON;//0x00000001; // ADC2 ON
GiJeongKim 0:51c43836c1d7 18 ADC2->SQR3 = 0x00000008; // use PB_0 as input - ADC2_IN8
GiJeongKim 0:51c43836c1d7 19 ADC3->CR2 |= ADC_CR2_ADON; // ADC3 ON
GiJeongKim 0:51c43836c1d7 20 ADC3->SQR3 = 0x0000000B; // use PC_1, - ADC3_IN11
GiJeongKim 0:51c43836c1d7 21 GPIOC->MODER |= 0b1100001100; //each channel // PC_4, PC_1 are analog inputs
GiJeongKim 0:51c43836c1d7 22 GPIOB->MODER |= 0x3; // PB_0 as analog input
GiJeongKim 0:51c43836c1d7 23
GiJeongKim 0:51c43836c1d7 24 ADC1->SMPR1 |= 0x1000; // 15 cycles on CH_14, 0b 001000000000000
GiJeongKim 0:51c43836c1d7 25 ADC2->SMPR1 |= 0x1000000; // 15 cycles on CH_8, 2^24 = 16^6
GiJeongKim 0:51c43836c1d7 26 ADC3->SMPR2 |= 0b1000; // 15 cycles on CH_11, 0b 001000;
GiJeongKim 0:51c43836c1d7 27
GiJeongKim 0:51c43836c1d7 28 }
GiJeongKim 0:51c43836c1d7 29
GiJeongKim 0:51c43836c1d7 30
GiJeongKim 0:51c43836c1d7 31
GiJeongKim 0:51c43836c1d7 32 void Init_PWM(){
GiJeongKim 0:51c43836c1d7 33
GiJeongKim 1:be9b2f6d39c2 34 RCC->APB2ENR |= RCC_APB2ENR_TIM1EN; // enable TIM1 clock
GiJeongKim 1:be9b2f6d39c2 35
GiJeongKim 1:be9b2f6d39c2 36 FastPWM pwm_a(PIN_V); // 단순히 핀 설정용
GiJeongKim 1:be9b2f6d39c2 37 FastPWM pwm_b(PIN_W);
GiJeongKim 0:51c43836c1d7 38
GiJeongKim 0:51c43836c1d7 39 //ISR Setup
GiJeongKim 0:51c43836c1d7 40
GiJeongKim 1:be9b2f6d39c2 41 NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn); //Enable TIM1 IRQ
GiJeongKim 0:51c43836c1d7 42
GiJeongKim 1:be9b2f6d39c2 43 TIM1->DIER |= TIM_DIER_UIE; // enable update interrupt
GiJeongKim 1:be9b2f6d39c2 44 TIM1->CR1 = 0x40; // CMS = 10, interrupt only when counting up // Center-aligned mode
GiJeongKim 1:be9b2f6d39c2 45 TIM1->CR1 |= TIM_CR1_UDIS;
GiJeongKim 1:be9b2f6d39c2 46 TIM1->CR1 |= TIM_CR1_ARPE; // autoreload on,
GiJeongKim 1:be9b2f6d39c2 47 TIM1->RCR |= 0x001; // update event once per up/down count of tim1
GiJeongKim 1:be9b2f6d39c2 48 TIM1->EGR |= TIM_EGR_UG;
GiJeongKim 1:be9b2f6d39c2 49
GiJeongKim 1:be9b2f6d39c2 50
GiJeongKim 0:51c43836c1d7 51
GiJeongKim 0:51c43836c1d7 52 //PWM Setup
GiJeongKim 0:51c43836c1d7 53
GiJeongKim 1:be9b2f6d39c2 54 TIM1->PSC = 0x0; // no prescaler, timer counts up in sync with the peripheral clock
GiJeongKim 1:be9b2f6d39c2 55 TIM1->ARR = PWM_ARR; // set auto reload, 40 khz
GiJeongKim 1:be9b2f6d39c2 56 // TIM1->CCER |= ~(TIM_CCER_CC1NP); // Interupt when low side is on.
GiJeongKim 1:be9b2f6d39c2 57 TIM1->CR1 |= TIM_CR1_CEN; // enable TIM1
GiJeongKim 0:51c43836c1d7 58
GiJeongKim 1:be9b2f6d39c2 59 // for complementary
GiJeongKim 1:be9b2f6d39c2 60 TIM1->CCER|=0b1111;
GiJeongKim 1:be9b2f6d39c2 61 }