Bayley Wang / Mbed 2 deprecated foc-ed_in_the_bot_compact

robot

Dependencies:   FastPWM3 mbed

BREMS/BREMSConfig.cpp@179:935f9d78d936, 2018-02-08 (annotated)

Committer:
bwang
Date:
Thu Feb 08 02:42:16 2018 +0000
Revision:
179:935f9d78d936
Parent:
165:2463dbe52eee 
02/07/2017 21:39 - updated BREMS*.h/cpp to include PreferenceWriter functionality, updated CommandProcessor to match current config variables

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bwang 42:030e0ec4eac5 1 #include "mbed.h"
bwang 42:030e0ec4eac5 2
bwang 42:030e0ec4eac5 3 #include "BREMSConfig.h"
bwang 42:030e0ec4eac5 4 #include "BREMSStructs.h"
bwang 154:0a22dcf91577 5 #include "Filter.h"
bwang 42:030e0ec4eac5 6
bwang 179:935f9d78d936 7 #include "CommandProcessor.h"
bwang 179:935f9d78d936 8 #include "PreferenceWriter.h"
bwang 179:935f9d78d936 9
bwang 42:030e0ec4eac5 10 #include "config_pins.h"
bwang 42:030e0ec4eac5 11 #include "config_inverter.h"
bwang 42:030e0ec4eac5 12 #include "config_motor.h"
bwang 42:030e0ec4eac5 13 #include "config_loop.h"
bwang 179:935f9d78d936 14 #include "layout.h"
bwang 42:030e0ec4eac5 15
bwang 42:030e0ec4eac5 16 void BREMSConfigRegisters(IOStruct *io) {
bwang 42:030e0ec4eac5 17 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
bwang 42:030e0ec4eac5 18 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN;
bwang 42:030e0ec4eac5 19 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN;
bwang 42:030e0ec4eac5 20
bwang 42:030e0ec4eac5 21 RCC->APB2ENR |= RCC_APB2ENR_TIM1EN; //enable TIM1 clock
bwang 42:030e0ec4eac5 22
bwang 42:030e0ec4eac5 23 io->a = new FastPWM(PWMA);
bwang 42:030e0ec4eac5 24 io->b = new FastPWM(PWMB);
bwang 42:030e0ec4eac5 25 io->c = new FastPWM(PWMC);
bwang 42:030e0ec4eac5 26
bwang 42:030e0ec4eac5 27 NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn); //Enable TIM1 IRQ
bwang 42:030e0ec4eac5 28
bwang 42:030e0ec4eac5 29 TIM1->DIER |= TIM_DIER_UIE; //enable update interrupt
bwang 91:f58472ac3fae 30 TIM1->CR1 = 0x00; //CMS = 10, interrupt only when counting up
bwang 42:030e0ec4eac5 31 TIM1->CR1 |= TIM_CR1_ARPE; //autoreload on,
bwang 91:f58472ac3fae 32 TIM1->RCR |= 0x00; //update event once per up/down count of tim1
bwang 42:030e0ec4eac5 33 TIM1->EGR |= TIM_EGR_UG;
bwang 42:030e0ec4eac5 34
bwang 42:030e0ec4eac5 35 TIM1->PSC = 0x00; //no prescaler, timer counts up in sync with the peripheral clock
bwang 91:f58472ac3fae 36 TIM1->ARR = (int) (2 * (float) 9e7 / F_SW);
bwang 90:2ef53b1a22de 37 TIM1->CCER |= ~(TIM_CCER_CC1NP); //Interupt when low side is on.
bwang 42:030e0ec4eac5 38 TIM1->CR1 |= TIM_CR1_CEN;
bwang 42:030e0ec4eac5 39
bwang 42:030e0ec4eac5 40 //ADC Setup
bwang 42:030e0ec4eac5 41 RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; // clock for ADC1
bwang 42:030e0ec4eac5 42 RCC->APB2ENR |= RCC_APB2ENR_ADC2EN; // clock for ADC2
bwang 42:030e0ec4eac5 43
bwang 42:030e0ec4eac5 44 ADC->CCR = 0x00000006; //Regular simultaneous mode, 3 channels
bwang 42:030e0ec4eac5 45
bwang 42:030e0ec4eac5 46 ADC1->CR2 |= ADC_CR2_ADON; //ADC1 on
bwang 42:030e0ec4eac5 47 ADC1->SQR3 = 0x0000004; //PA_4 as ADC1, sequence 0
bwang 42:030e0ec4eac5 48
bwang 42:030e0ec4eac5 49 ADC2->CR2 |= ADC_CR2_ADON; //ADC2 ON
bwang 42:030e0ec4eac5 50 ADC2->SQR3 = 0x00000008; //PB_0 as ADC2, sequence 1
bwang 42:030e0ec4eac5 51
bwang 42:030e0ec4eac5 52 GPIOA->MODER |= (1 << 8);
bwang 42:030e0ec4eac5 53 GPIOA->MODER |= (1 << 9);
bwang 42:030e0ec4eac5 54
bwang 42:030e0ec4eac5 55 GPIOA->MODER |= (1 << 2);
bwang 42:030e0ec4eac5 56 GPIOA->MODER |= (1 << 3);
bwang 42:030e0ec4eac5 57
bwang 42:030e0ec4eac5 58 GPIOA->MODER |= (1 << 0);
bwang 42:030e0ec4eac5 59 GPIOA->MODER |= (1 << 1);
bwang 42:030e0ec4eac5 60
bwang 42:030e0ec4eac5 61 GPIOB->MODER |= (1 << 0);
bwang 42:030e0ec4eac5 62 GPIOB->MODER |= (1 << 1);
bwang 42:030e0ec4eac5 63
bwang 42:030e0ec4eac5 64 GPIOC->MODER |= (1 << 2);
bwang 42:030e0ec4eac5 65 GPIOC->MODER |= (1 << 3);
bwang 42:030e0ec4eac5 66
bwang 42:030e0ec4eac5 67 //DAC setup
bwang 42:030e0ec4eac5 68 RCC->APB1ENR |= 0x20000000;
bwang 42:030e0ec4eac5 69 DAC->CR |= DAC_CR_EN2;
bwang 42:030e0ec4eac5 70
bwang 42:030e0ec4eac5 71 GPIOA->MODER |= (1 << 10);
bwang 42:030e0ec4eac5 72 GPIOA->MODER |= (1 << 11);
bwang 47:1c9868e226d0 73
bwang 47:1c9868e226d0 74 set_dtc(io->a, 0.0f);
bwang 47:1c9868e226d0 75 set_dtc(io->b, 0.0f);
bwang 47:1c9868e226d0 76 set_dtc(io->c, 0.0f);
bwang 42:030e0ec4eac5 77 }
bwang 42:030e0ec4eac5 78
bwang 42:030e0ec4eac5 79 void BREMSZeroCurrent(ReadDataStruct *read) {
bwang 42:030e0ec4eac5 80 for (int i = 0; i < 1000; i++){
bwang 42:030e0ec4eac5 81 read->ia_supp_offset += (float) (ADC1->DR);
bwang 42:030e0ec4eac5 82 read->ib_supp_offset += (float) (ADC2->DR);
bwang 42:030e0ec4eac5 83 ADC1->CR2 |= 0x40000000;
bwang 42:030e0ec4eac5 84 wait_us(100);
bwang 42:030e0ec4eac5 85 }
bwang 42:030e0ec4eac5 86 read->ia_supp_offset /= 1000.0f;
bwang 42:030e0ec4eac5 87 read->ib_supp_offset /= 1000.0f;
bwang 42:030e0ec4eac5 88 read->ia_supp_offset = read->ia_supp_offset / 4096.0f * AVDD - I_OFFSET;
bwang 42:030e0ec4eac5 89 read->ib_supp_offset = read->ib_supp_offset / 4096.0f * AVDD - I_OFFSET;
bwang 42:030e0ec4eac5 90 }
bwang 42:030e0ec4eac5 91
bwang 42:030e0ec4eac5 92 void BREMSStartupMsg(ReadDataStruct *read, Serial *pc) {
bwang 42:030e0ec4eac5 93 pc->printf("%s\n\r\n\r", "FOC'ed in the Bot Rev A.");
bwang 42:030e0ec4eac5 94 }
bwang 42:030e0ec4eac5 95
bwang 165:2463dbe52eee 96 void BREMSInit(IOStruct *io, ReadDataStruct *read, FOCStruct *foc, ControlStruct *control, bool tune) {
bwang 42:030e0ec4eac5 97 io->en = new DigitalOut(EN);
bwang 42:030e0ec4eac5 98 io->en->write(0);
bwang 42:030e0ec4eac5 99
bwang 42:030e0ec4eac5 100 io->pc = new Serial(USBTX, USBRX);
bwang 179:935f9d78d936 101 io->pc->baud(115200);
bwang 179:935f9d78d936 102
bwang 179:935f9d78d936 103 io->pref = new PreferenceWriter(6);
bwang 179:935f9d78d936 104 BREMSStartupMsg(read, io->pc);
bwang 179:935f9d78d936 105 cmd_reload(io->pc, io->pref);
bwang 179:935f9d78d936 106 io->pc->printf("%s", ">");
bwang 165:2463dbe52eee 107
bwang 165:2463dbe52eee 108 io->pos = new PositionSensorEncoder(CPR, 0);
bwang 165:2463dbe52eee 109
bwang 165:2463dbe52eee 110 wait_ms(750);
bwang 165:2463dbe52eee 111
bwang 151:5bbb15351798 112 io->throttle_in = new PwmIn(TH_PIN, TH_LIMIT_LOW, TH_LIMIT_HIGH);
bwang 42:030e0ec4eac5 113
bwang 154:0a22dcf91577 114 control->throttle_filter = new MedianFilter(THROTTLE_FILTER_WINDOW);
bwang 154:0a22dcf91577 115 control->velocity_filter = new MedianFilter(W_FILTER_WINDOW);
bwang 154:0a22dcf91577 116
bwang 42:030e0ec4eac5 117 read->vbus = BUS_VOLTAGE;
bwang 42:030e0ec4eac5 118 read->w = 0.0f;
bwang 42:030e0ec4eac5 119 read->ia_supp_offset = 0.0f;
bwang 42:030e0ec4eac5 120 read->ib_supp_offset = 0.0f;
bwang 42:030e0ec4eac5 121 read->p_mech = io->pos->GetMechPosition();
bwang 42:030e0ec4eac5 122
bwang 52:fd3d8df99287 123 BREMSConfigRegisters(io);
bwang 52:fd3d8df99287 124 wait_ms(250);
bwang 52:fd3d8df99287 125 BREMSZeroCurrent(read);
bwang 52:fd3d8df99287 126
bwang 42:030e0ec4eac5 127 control->d_integral = 0.0f;
bwang 42:030e0ec4eac5 128 control->q_integral = 0.0f;
bwang 42:030e0ec4eac5 129 control->d_filtered = 0.0f;
bwang 42:030e0ec4eac5 130 control->q_filtered = 0.0f;
bwang 42:030e0ec4eac5 131 control->last_d = 0.0f;
bwang 42:030e0ec4eac5 132 control->last_q = 0.0f;
bwang 42:030e0ec4eac5 133 control->d_ref = 0.0f;
bwang 42:030e0ec4eac5 134 control->q_ref = 0.0f;
bwang 70:5e39beeb4a21 135 control->torque_percent = 0.0f;
bwang 46:748aba7d111d 136
bwang 42:030e0ec4eac5 137 io->en->write(1);
bwang 42:030e0ec4eac5 138 }