robot

Dependencies:   FastPWM3 mbed

Committer:
bwang
Date:
Fri Feb 09 03:49:31 2018 +0000
Revision:
181:d3510c8beab6
Parent:
180:a783a972a867
Child:
182:5ed20e4ce158
02/08/2018 22:48 - integrated CommandProcessor and PreferenceWriter (but code does not use dynamic config variables or set error flags yet)

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 180:a783a972a867 5 #include "BufferedLogger.h"
bwang 181:d3510c8beab6 6 #include "CommandProcessor.h"
bwang 181:d3510c8beab6 7 #include "PreferenceWriter.h"
bwang 154:0a22dcf91577 8 #include "Filter.h"
bwang 42:030e0ec4eac5 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 180:a783a972a867 14 #include "config_logging.h"
bwang 42:030e0ec4eac5 15
bwang 181:d3510c8beab6 16 #include "prefs.h"
bwang 181:d3510c8beab6 17
bwang 42:030e0ec4eac5 18 void BREMSConfigRegisters(IOStruct *io) {
bwang 42:030e0ec4eac5 19 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
bwang 42:030e0ec4eac5 20 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN;
bwang 42:030e0ec4eac5 21 RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN;
bwang 42:030e0ec4eac5 22
bwang 42:030e0ec4eac5 23 RCC->APB2ENR |= RCC_APB2ENR_TIM1EN; //enable TIM1 clock
bwang 42:030e0ec4eac5 24
bwang 42:030e0ec4eac5 25 io->a = new FastPWM(PWMA);
bwang 42:030e0ec4eac5 26 io->b = new FastPWM(PWMB);
bwang 42:030e0ec4eac5 27 io->c = new FastPWM(PWMC);
bwang 42:030e0ec4eac5 28
bwang 42:030e0ec4eac5 29 NVIC_EnableIRQ(TIM1_UP_TIM10_IRQn); //Enable TIM1 IRQ
bwang 42:030e0ec4eac5 30
bwang 42:030e0ec4eac5 31 TIM1->DIER |= TIM_DIER_UIE; //enable update interrupt
bwang 91:f58472ac3fae 32 TIM1->CR1 = 0x00; //CMS = 10, interrupt only when counting up
bwang 42:030e0ec4eac5 33 TIM1->CR1 |= TIM_CR1_ARPE; //autoreload on,
bwang 91:f58472ac3fae 34 TIM1->RCR |= 0x00; //update event once per up/down count of tim1
bwang 42:030e0ec4eac5 35 TIM1->EGR |= TIM_EGR_UG;
bwang 42:030e0ec4eac5 36
bwang 42:030e0ec4eac5 37 TIM1->PSC = 0x00; //no prescaler, timer counts up in sync with the peripheral clock
bwang 91:f58472ac3fae 38 TIM1->ARR = (int) (2 * (float) 9e7 / F_SW);
bwang 90:2ef53b1a22de 39 TIM1->CCER |= ~(TIM_CCER_CC1NP); //Interupt when low side is on.
bwang 42:030e0ec4eac5 40 TIM1->CR1 |= TIM_CR1_CEN;
bwang 42:030e0ec4eac5 41
bwang 42:030e0ec4eac5 42 //ADC Setup
bwang 42:030e0ec4eac5 43 RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; // clock for ADC1
bwang 42:030e0ec4eac5 44 RCC->APB2ENR |= RCC_APB2ENR_ADC2EN; // clock for ADC2
bwang 42:030e0ec4eac5 45
bwang 42:030e0ec4eac5 46 ADC->CCR = 0x00000006; //Regular simultaneous mode, 3 channels
bwang 42:030e0ec4eac5 47
bwang 42:030e0ec4eac5 48 ADC1->CR2 |= ADC_CR2_ADON; //ADC1 on
bwang 42:030e0ec4eac5 49 ADC1->SQR3 = 0x0000004; //PA_4 as ADC1, sequence 0
bwang 42:030e0ec4eac5 50
bwang 42:030e0ec4eac5 51 ADC2->CR2 |= ADC_CR2_ADON; //ADC2 ON
bwang 42:030e0ec4eac5 52 ADC2->SQR3 = 0x00000008; //PB_0 as ADC2, sequence 1
bwang 42:030e0ec4eac5 53
bwang 42:030e0ec4eac5 54 GPIOA->MODER |= (1 << 8);
bwang 42:030e0ec4eac5 55 GPIOA->MODER |= (1 << 9);
bwang 42:030e0ec4eac5 56
bwang 42:030e0ec4eac5 57 GPIOA->MODER |= (1 << 2);
bwang 42:030e0ec4eac5 58 GPIOA->MODER |= (1 << 3);
bwang 42:030e0ec4eac5 59
bwang 42:030e0ec4eac5 60 GPIOA->MODER |= (1 << 0);
bwang 42:030e0ec4eac5 61 GPIOA->MODER |= (1 << 1);
bwang 42:030e0ec4eac5 62
bwang 42:030e0ec4eac5 63 GPIOB->MODER |= (1 << 0);
bwang 42:030e0ec4eac5 64 GPIOB->MODER |= (1 << 1);
bwang 42:030e0ec4eac5 65
bwang 42:030e0ec4eac5 66 GPIOC->MODER |= (1 << 2);
bwang 42:030e0ec4eac5 67 GPIOC->MODER |= (1 << 3);
bwang 42:030e0ec4eac5 68
bwang 42:030e0ec4eac5 69 //DAC setup
bwang 42:030e0ec4eac5 70 RCC->APB1ENR |= 0x20000000;
bwang 42:030e0ec4eac5 71 DAC->CR |= DAC_CR_EN2;
bwang 42:030e0ec4eac5 72
bwang 42:030e0ec4eac5 73 GPIOA->MODER |= (1 << 10);
bwang 42:030e0ec4eac5 74 GPIOA->MODER |= (1 << 11);
bwang 47:1c9868e226d0 75
bwang 47:1c9868e226d0 76 set_dtc(io->a, 0.0f);
bwang 47:1c9868e226d0 77 set_dtc(io->b, 0.0f);
bwang 47:1c9868e226d0 78 set_dtc(io->c, 0.0f);
bwang 42:030e0ec4eac5 79 }
bwang 42:030e0ec4eac5 80
bwang 42:030e0ec4eac5 81 void BREMSZeroCurrent(ReadDataStruct *read) {
bwang 42:030e0ec4eac5 82 for (int i = 0; i < 1000; i++){
bwang 42:030e0ec4eac5 83 read->ia_supp_offset += (float) (ADC1->DR);
bwang 42:030e0ec4eac5 84 read->ib_supp_offset += (float) (ADC2->DR);
bwang 42:030e0ec4eac5 85 ADC1->CR2 |= 0x40000000;
bwang 42:030e0ec4eac5 86 wait_us(100);
bwang 42:030e0ec4eac5 87 }
bwang 42:030e0ec4eac5 88 read->ia_supp_offset /= 1000.0f;
bwang 42:030e0ec4eac5 89 read->ib_supp_offset /= 1000.0f;
bwang 42:030e0ec4eac5 90 read->ia_supp_offset = read->ia_supp_offset / 4096.0f * AVDD - I_OFFSET;
bwang 42:030e0ec4eac5 91 read->ib_supp_offset = read->ib_supp_offset / 4096.0f * AVDD - I_OFFSET;
bwang 42:030e0ec4eac5 92 }
bwang 42:030e0ec4eac5 93
bwang 42:030e0ec4eac5 94 void BREMSStartupMsg(ReadDataStruct *read, Serial *pc) {
bwang 181:d3510c8beab6 95 pc->printf("%s\n", "FOC'ed in the Bot Rev A.");
bwang 42:030e0ec4eac5 96 }
bwang 42:030e0ec4eac5 97
bwang 165:2463dbe52eee 98 void BREMSInit(IOStruct *io, ReadDataStruct *read, FOCStruct *foc, ControlStruct *control, bool tune) {
bwang 42:030e0ec4eac5 99 io->en = new DigitalOut(EN);
bwang 42:030e0ec4eac5 100 io->en->write(0);
bwang 42:030e0ec4eac5 101
bwang 42:030e0ec4eac5 102 io->pc = new Serial(USBTX, USBRX);
bwang 181:d3510c8beab6 103 io->pc->baud(115200);
bwang 165:2463dbe52eee 104
bwang 165:2463dbe52eee 105 io->pos = new PositionSensorEncoder(CPR, 0);
bwang 180:a783a972a867 106 io->logger = new BufferedLogger(LOG_PACKET_SIZE, (LOG_PAGE_SIZE-LOG_HEADER_SIZE)/(LOG_PACKET_SIZE+1), LOG_TX, LOG_RX, LOG_BAUD_RATE);
bwang 181:d3510c8beab6 107 io->pref = new PreferenceWriter(6);
bwang 180:a783a972a867 108
bwang 165:2463dbe52eee 109 wait_ms(750);
bwang 181:d3510c8beab6 110
bwang 181:d3510c8beab6 111 BREMSStartupMsg(read, io->pc);
bwang 181:d3510c8beab6 112
bwang 181:d3510c8beab6 113 cmd_reload(io->pc, io->pref);
bwang 181:d3510c8beab6 114 if (_PREFS_VALID == 0) {
bwang 181:d3510c8beab6 115 io->pc->printf("%s\n", "Stored config invalid");
bwang 181:d3510c8beab6 116 cmd_defaults(io->pc);
bwang 181:d3510c8beab6 117 io->pc->printf("%s\n", "You should probably at least set throttle and current limits!");
bwang 181:d3510c8beab6 118 }
bwang 165:2463dbe52eee 119
bwang 151:5bbb15351798 120 io->throttle_in = new PwmIn(TH_PIN, TH_LIMIT_LOW, TH_LIMIT_HIGH);
bwang 42:030e0ec4eac5 121
bwang 154:0a22dcf91577 122 control->throttle_filter = new MedianFilter(THROTTLE_FILTER_WINDOW);
bwang 154:0a22dcf91577 123 control->velocity_filter = new MedianFilter(W_FILTER_WINDOW);
bwang 154:0a22dcf91577 124
bwang 42:030e0ec4eac5 125 read->vbus = BUS_VOLTAGE;
bwang 42:030e0ec4eac5 126 read->w = 0.0f;
bwang 42:030e0ec4eac5 127 read->ia_supp_offset = 0.0f;
bwang 42:030e0ec4eac5 128 read->ib_supp_offset = 0.0f;
bwang 42:030e0ec4eac5 129 read->p_mech = io->pos->GetMechPosition();
bwang 42:030e0ec4eac5 130
bwang 52:fd3d8df99287 131 BREMSConfigRegisters(io);
bwang 52:fd3d8df99287 132 wait_ms(250);
bwang 52:fd3d8df99287 133 BREMSZeroCurrent(read);
bwang 181:d3510c8beab6 134 io->pc->printf("%s", ">");
bwang 52:fd3d8df99287 135
bwang 42:030e0ec4eac5 136 control->d_integral = 0.0f;
bwang 42:030e0ec4eac5 137 control->q_integral = 0.0f;
bwang 42:030e0ec4eac5 138 control->d_filtered = 0.0f;
bwang 42:030e0ec4eac5 139 control->q_filtered = 0.0f;
bwang 42:030e0ec4eac5 140 control->last_d = 0.0f;
bwang 42:030e0ec4eac5 141 control->last_q = 0.0f;
bwang 42:030e0ec4eac5 142 control->d_ref = 0.0f;
bwang 42:030e0ec4eac5 143 control->q_ref = 0.0f;
bwang 70:5e39beeb4a21 144 control->torque_percent = 0.0f;
bwang 46:748aba7d111d 145
bwang 42:030e0ec4eac5 146 io->en->write(1);
bwang 42:030e0ec4eac5 147 }