cocoa_STM_ver_BIPOLAR

Dependencies:   mbed FastPWM

INIT_HW/INIT_HW.cpp

Committer:
GiJeongKim
Date:
15 months ago
Revision:
1:be9b2f6d39c2
Parent:
0:51c43836c1d7

File content as of revision 1:be9b2f6d39c2:

#include "mbed.h"
#include "FastPWM.h"
#include "setting.h"

void Init_ADC(void){
    // ADC Setup
     RCC->APB2ENR |= RCC_APB2ENR_ADC3EN;                        // clock for ADC3
     RCC->APB2ENR |= RCC_APB2ENR_ADC2EN;                        // clock for ADC2
     RCC->APB2ENR |= RCC_APB2ENR_ADC1EN;                        // clock for ADC1
     
     RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN;                        // Enable clock for GPIOC
     RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN;                        // Enable clock for GPIOA
    
     ADC->CCR = 0x00000016;                                     // Regular simultaneous mode only
     ADC1->CR2 |= ADC_CR2_ADON;//0x00000001;                    // ADC1 ON
     ADC1->SQR3 = 0x0000000E;                    //channel      // use PC_4 as input- ADC1_IN14
     ADC2->CR2 |= ADC_CR2_ADON;//0x00000001;                    // ADC2 ON
     ADC2->SQR3 = 0x00000008;                                   // use PB_0 as input - ADC2_IN8
     ADC3->CR2 |= ADC_CR2_ADON;                                 // ADC3 ON
     ADC3->SQR3 = 0x0000000B;                                   // use PC_1, - ADC3_IN11
     GPIOC->MODER |= 0b1100001100;             //each channel   // PC_4, PC_1 are analog inputs 
     GPIOB->MODER |= 0x3;                                       // PB_0 as analog input
     
     ADC1->SMPR1 |= 0x1000;                                     // 15 cycles on CH_14, 0b 001000000000000
     ADC2->SMPR1 |= 0x1000000;                                  // 15 cycles on CH_8, 2^24 = 16^6
     ADC3->SMPR2 |= 0b1000;                                        // 15 cycles on CH_11, 0b 001000;

    }
    
    

void Init_PWM(){

    RCC->APB2ENR |= RCC_APB2ENR_TIM1EN;                         // enable TIM1 clock

    FastPWM pwm_a(PIN_V);                                       // 단순히 핀 설정용 
    FastPWM pwm_b(PIN_W);
    
     //ISR Setup     
    
    NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn);                         //Enable TIM1 IRQ

    TIM1->DIER |= TIM_DIER_UIE;                                 // enable update interrupt
    TIM1->CR1 = 0x40;                                           // CMS = 10, interrupt only when counting up // Center-aligned mode
    TIM1->CR1 |= TIM_CR1_UDIS;
    TIM1->CR1 |= TIM_CR1_ARPE;                                  // autoreload on, 
    TIM1->RCR |= 0x001;                                         // update event once per up/down count of tim1 
    TIM1->EGR |= TIM_EGR_UG;


 
    //PWM Setup

    TIM1->PSC = 0x0;                                            // no prescaler, timer counts up in sync with the peripheral clock
    TIM1->ARR = PWM_ARR;                                          // set auto reload, 40 khz
//    TIM1->CCER |= ~(TIM_CCER_CC1NP);                            // Interupt when low side is on.
    TIM1->CR1 |= TIM_CR1_CEN;                                   // enable TIM1
    
    // for complementary 
    TIM1->CCER|=0b1111;
    }