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hoverboard-firmware-hack-se.../Src/main.c

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/*
* This file is part of the stmbl project.
*
* Copyright (C) 2013-2018 Rene Hopf <renehopf@mac.com>
* Copyright (C) 2013-2018 Nico Stute <crinq@crinq.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stm32f1xx_hal.h"
#include "defines.h"
#include "setup.h"
void SystemClock_Config(void);
extern TIM_HandleTypeDef htim_left;
extern TIM_HandleTypeDef htim_right;
extern ADC_HandleTypeDef hadc1;
extern ADC_HandleTypeDef hadc2;
extern volatile adc_buf_t adc_buffer;
volatile int posl = 0;
volatile int posr = 0;
volatile int pwml = 0;
volatile int pwmr = 0;
const int pwm_res = 64000000 / 2 / PWM_FREQ;
const uint8_t hall_to_pos[8] = {
0,
0,
2,
1,
4,
5,
3,
0,
};
inline void block(int pwm, int pos, int *u, int *v, int *w) {
switch(pos) {
case 0:
*u = 0;
*v = pwm;
*w = -pwm;
break;
case 1:
*u = -pwm;
*v = pwm;
*w = 0;
break;
case 2:
*u = -pwm;
*v = 0;
*w = pwm;
break;
case 3:
*u = 0;
*v = -pwm;
*w = pwm;
break;
case 4:
*u = pwm;
*v = -pwm;
*w = 0;
break;
case 5:
*u = pwm;
*v = 0;
*w = -pwm;
break;
default:
*u = 0;
*v = 0;
*w = 0;
}
}
inline void block2(int pos, int u, int v, int *q) {
switch(pos) {
case 0:
*q = u - v;
// *u = 0;
// *v = pwm;
// *w = -pwm;
break;
case 1:
*q = u;
// *u = -pwm;
// *v = pwm;
// *w = 0;
break;
case 2:
*q = u;
// *u = -pwm;
// *v = 0;
// *w = pwm;
break;
case 3:
*q = v;
// *u = 0;
// *v = -pwm;
// *w = pwm;
break;
case 4:
*q = v;
// *u = pwm;
// *v = -pwm;
// *w = 0;
break;
case 5:
*q = -(u - v);
// *u = pwm;
// *v = 0;
// *w = -pwm;
break;
default:
*q = 0;
// *u = 0;
// *v = 0;
// *w = 0;
}
}
int last_pos = 0;
int timer = 0;
int max_time = PWM_FREQ / 10;
volatile int vel = 0;
int offsetcount = 0;
int offsetrl1 = 2000;
int offsetrl2 = 2000;
int offsetrr1 = 2000;
int offsetrr2 = 2000;
int offsetdcl = 2000;
int offsetdcr = 2000;
volatile uint8_t uart_buf[10];
int curl = 0;
// int errorl = 0;
// int kp = 5;
// volatile int cmdl = 0;
void DMA1_Channel1_IRQHandler() {
DMA1->IFCR = DMA_IFCR_CTCIF1;
// HAL_GPIO_WritePin(LED_PORT, LED_PIN, 1);
if(offsetcount < 1000) {
offsetcount++;
offsetrl1 = (adc_buffer.rl1 + offsetrl1) / 2;
offsetrl2 = (adc_buffer.rl2 + offsetrl2) / 2;
offsetrr1 = (adc_buffer.rr1 + offsetrr1) / 2;
offsetrr2 = (adc_buffer.rr2 + offsetrr2) / 2;
offsetdcl = (adc_buffer.dcl + offsetdcl) / 2;
offsetdcr = (adc_buffer.dcr + offsetdcr) / 2;
return;
}
if(adc_buffer.dcl - offsetdcl > 40) {
LEFT_TIM->BDTR &= ~TIM_BDTR_MOE;
HAL_GPIO_WritePin(LED_PORT, LED_PIN, 1);
} else {
LEFT_TIM->BDTR |= TIM_BDTR_MOE;
HAL_GPIO_WritePin(LED_PORT, LED_PIN, 0);
}
if(adc_buffer.dcr - offsetdcr > 40) {
RIGHT_TIM->BDTR &= ~TIM_BDTR_MOE;
} else {
RIGHT_TIM->BDTR |= TIM_BDTR_MOE;
}
int ul, vl, wl;
int ur, vr, wr;
uint8_t hall_ul = !(LEFT_HALL_U_PORT->IDR & LEFT_HALL_U_PIN);
uint8_t hall_vl = !(LEFT_HALL_V_PORT->IDR & LEFT_HALL_V_PIN);
uint8_t hall_wl = !(LEFT_HALL_W_PORT->IDR & LEFT_HALL_W_PIN);
uint8_t hall_ur = !(RIGHT_HALL_U_PORT->IDR & RIGHT_HALL_U_PIN);
uint8_t hall_vr = !(RIGHT_HALL_V_PORT->IDR & RIGHT_HALL_V_PIN);
uint8_t hall_wr = !(RIGHT_HALL_W_PORT->IDR & RIGHT_HALL_W_PIN);
uint8_t halll = hall_ul * 1 + hall_vl * 2 + hall_wl * 4;
posl = hall_to_pos[halll];
posl += 2;
posl %= 6;
uint8_t hallr = hall_ur * 1 + hall_vr * 2 + hall_wr * 4;
posr = hall_to_pos[hallr];
posr += 2;
posr %= 6;
block2(posl, adc_buffer.rl1 - offsetrl1, adc_buffer.rl2 - offsetrl2, &curl);
uart_buf[0] = 0xff;
uart_buf[1] = 127; //adc_buffer.dcl - 1850 + 127;
uart_buf[2] = 127; //adc_buffer.dcr - 1850 + 127;
uart_buf[3] = 127; ////CLAMP((adc_buffer.rr1 - offsetrr1) / 8 + 127,0,255);
uart_buf[4] = 127; ////CLAMP((adc_buffer.rr2 - offsetrr2) / 8 + 127,0,255);
uart_buf[5] = CLAMP((adc_buffer.rl1 - offsetrl1) / 8 + 127, 0, 255);
uart_buf[6] = CLAMP((adc_buffer.rl2 - offsetrl2) / 8 + 127, 0, 255);
uart_buf[7] = 127; //CLAMP(curl / 8 + 127,0,255);//adc_buffer.batt1 - 1550 + 127;
uart_buf[8] = 127 + posl * 20; //adc_buffer.bat1 - 1550 + 127;
uart_buf[9] = '\n';
if(DMA1_Channel2->CNDTR == 0) {
DMA1_Channel2->CCR &= ~DMA_CCR_EN;
DMA1_Channel2->CNDTR = 10;
DMA1_Channel2->CMAR = (uint32_t)uart_buf;
DMA1_Channel2->CCR |= DMA_CCR_EN;
}
timer++;
// if(timer > max_time){
// timer = max_time;
// vel = 0;
// }
// if(pos != last_pos){
// vel = 1000 * PWM_FREQ / timer / P / 6 * 2;
// if((pos - last_pos + 6) % 6 > 2){
// vel = -vel;
// }
// timer = 0;
// }
// last_pos = pos;
//YOLOTEST
// errorl = cmdl - curl;
// pwml = kp * errorl;
block(pwml, posl, &ul, &vl, &wl);
block(pwmr, posr, &ur, &vr, &wr);
LEFT_TIM->LEFT_TIM_U = CLAMP(ul + pwm_res / 2, 10, pwm_res-10);
LEFT_TIM->LEFT_TIM_V = CLAMP(vl + pwm_res / 2, 10, pwm_res-10);
LEFT_TIM->LEFT_TIM_W = CLAMP(wl + pwm_res / 2, 10, pwm_res-10);
RIGHT_TIM->RIGHT_TIM_U = CLAMP(ur + pwm_res / 2, 10, pwm_res-10);
RIGHT_TIM->RIGHT_TIM_V = CLAMP(vr + pwm_res / 2, 10, pwm_res-10);
RIGHT_TIM->RIGHT_TIM_W = CLAMP(wr + pwm_res / 2, 10, pwm_res-10);
// HAL_GPIO_WritePin(LED_PORT, LED_PIN, 0);
}
int milli_vel_error_sum = 0;
int main(void) {
HAL_Init();
__HAL_RCC_AFIO_CLK_ENABLE();
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
/* System interrupt init*/
/* MemoryManagement_IRQn interrupt configuration */
HAL_NVIC_SetPriority(MemoryManagement_IRQn, 0, 0);
/* BusFault_IRQn interrupt configuration */
HAL_NVIC_SetPriority(BusFault_IRQn, 0, 0);
/* UsageFault_IRQn interrupt configuration */
HAL_NVIC_SetPriority(UsageFault_IRQn, 0, 0);
/* SVCall_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SVCall_IRQn, 0, 0);
/* DebugMonitor_IRQn interrupt configuration */
HAL_NVIC_SetPriority(DebugMonitor_IRQn, 0, 0);
/* PendSV_IRQn interrupt configuration */
HAL_NVIC_SetPriority(PendSV_IRQn, 0, 0);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
SystemClock_Config();
__HAL_RCC_DMA1_CLK_DISABLE();
MX_GPIO_Init();
MX_TIM_Init();
MX_ADC1_Init();
MX_ADC2_Init();
UART_Init();
HAL_GPIO_WritePin(OFF_PORT, OFF_PIN, 1);
HAL_ADC_Start(&hadc1);
HAL_ADC_Start(&hadc2);
while(1) {
HAL_Delay(0);
// int milli_cur = 3000;
// int milli_volt = milli_cur * MILLI_R / 1000;// + vel * MILLI_PSI * 141;
// // pwm = milli_volt * pwm_res / MILLI_V;
// int milli_vel_cmd = 200;
// int milli_vel_error = milli_vel_cmd - vel;
// milli_vel_error_sum += milli_vel_error;
// milli_vel_error_sum = CLAMP(milli_vel_error_sum, -200000, 200000);
// pwm = CLAMP(milli_vel_cmd / 5 + milli_vel_error_sum / 200, -500, 500);
// cmdl = 70;
pwml = 150;
pwmr = 150;
// if(vel > milli_vel_cmd){
// HAL_GPIO_WritePin(LED_PORT, LED_PIN, 1);
// }
// else{
// HAL_GPIO_WritePin(LED_PORT, LED_PIN, 0);
// }
}
}
/** System Clock Configuration
*/
void SystemClock_Config(void) {
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = 16;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV8;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / 1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
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