INIT_HW.cpp

00001 #include "mbed.h"
00002 #include "FastPWM.h"
00003 #include "setting.h"
00004 
00005 void Init_ADC(void){
00006     // ADC Setup
00007      RCC->APB2ENR |= RCC_APB2ENR_ADC3EN;                        // clock for ADC3
00008      RCC->APB2ENR |= RCC_APB2ENR_ADC2EN;                        // clock for ADC2
00009      RCC->APB2ENR |= RCC_APB2ENR_ADC1EN;                        // clock for ADC1
00010      
00011      RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN;                        // Enable clock for GPIOC
00012      RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN;                        // Enable clock for GPIOA
00013     
00014      ADC->CCR = 0x00000016;                                     // Regular simultaneous mode only
00015      ADC1->CR2 |= ADC_CR2_ADON;//0x00000001;                    // ADC1 ON
00016      ADC1->SQR3 = 0x0000000E;                    //channel      // use PC_4 as input- ADC1_IN14
00017      ADC2->CR2 |= ADC_CR2_ADON;//0x00000001;                    // ADC2 ON
00018      ADC2->SQR3 = 0x00000008;                                   // use PB_0 as input - ADC2_IN8
00019      ADC3->CR2 |= ADC_CR2_ADON;                                 // ADC3 ON
00020      ADC3->SQR3 = 0x0000000B;                                   // use PC_1, - ADC3_IN11
00021      GPIOC->MODER |= 0b1100001100;             //each channel   // PC_4, PC_1 are analog inputs 
00022      GPIOB->MODER |= 0x3;                                       // PB_0 as analog input
00023      
00024      ADC1->SMPR1 |= 0x1000;                                     // 15 cycles on CH_14, 0b 001000000000000
00025      ADC2->SMPR1 |= 0x1000000;                                  // 15 cycles on CH_8, 2^24 = 16^6
00026      ADC3->SMPR2 |= 0b1000;                                        // 15 cycles on CH_11, 0b 001000;
00027 
00028     }
00029     
00030     
00031 
00032 void Init_PWM(){
00033 
00034     RCC->APB2ENR |= RCC_APB2ENR_TIM1EN;                         // enable TIM1 clock
00035 
00036     FastPWM pwm_a(PIN_V);                                       // 단순히 핀 설정용 
00037     FastPWM pwm_b(PIN_W);
00038     
00039      //ISR Setup     
00040     
00041     NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn);                         //Enable TIM1 IRQ
00042 
00043     TIM1->DIER |= TIM_DIER_UIE;                                 // enable update interrupt
00044     TIM1->CR1 = 0x40;                                           // CMS = 10, interrupt only when counting up // Center-aligned mode
00045     TIM1->CR1 |= TIM_CR1_UDIS;
00046     TIM1->CR1 |= TIM_CR1_ARPE;                                  // autoreload on, 
00047     TIM1->RCR |= 0x001;                                         // update event once per up/down count of tim1 
00048     TIM1->EGR |= TIM_EGR_UG;
00049 
00050 
00051  
00052     //PWM Setup
00053 
00054     TIM1->PSC = 0x0;                                            // no prescaler, timer counts up in sync with the peripheral clock
00055     TIM1->ARR = PWM_ARR;                                          // set auto reload, 40 khz
00056 //    TIM1->CCER |= ~(TIM_CCER_CC1NP);                            // Interupt when low side is on.
00057     TIM1->CR1 |= TIM_CR1_CEN;                                   // enable TIM1
00058     
00059     // for complementary 
00060     TIM1->CCER|=0b1111;
00061     }