mirror of
https://github.com/EFeru/hoverboard-sideboard-hack-STM.git
synced 2025-07-27 17:29:32 +00:00
178 lines
5.3 KiB
C
178 lines
5.3 KiB
C
/**
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* This file is part of the hoverboard-sideboard-hack project.
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*
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* Copyright (C) 2020-2021 Emanuel FERU <aerdronix@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Includes
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#include <stdio.h>
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#include <string.h>
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#include "stm32f1xx_hal.h"
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#include "usart.h"
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#include "i2c.h"
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#include "defines.h"
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#include "config.h"
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#include "util.h"
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extern UART_HandleTypeDef huart2;
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extern I2C_HandleTypeDef hi2c1;
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/* =========================== General Functions =========================== */
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void consoleLog(char *message)
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{
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#ifdef SERIAL_DEBUG
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log_i("%s", message);
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#endif
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}
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void get_tick_count_ms(unsigned long *count)
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{
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*count = HAL_GetTick();
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}
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/* retarget the C library printf function to the USART */
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#ifdef SERIAL_DEBUG
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#ifdef __GNUC__
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#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
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#else
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#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
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#endif
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PUTCHAR_PROTOTYPE
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{
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HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 1000);
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return ch;
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}
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#ifdef __GNUC__
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int _write(int file, char *ptr, int len)
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{
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int DataIdx;
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for (DataIdx = 0; DataIdx < len; DataIdx++) { __io_putchar( *ptr++ );}
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return len;
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}
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#endif
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#endif
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void introDemoLED(uint32_t tDelay)
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{
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int i;
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for (i = 0; i < 6; i++) {
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HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_RESET);
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HAL_Delay(tDelay);
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HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_RESET);
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HAL_Delay(tDelay);
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HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_RESET);
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HAL_Delay(tDelay);
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}
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for (i = 0; i < 2; i++) {
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HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED4_GPIO_Port, LED4_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED5_GPIO_Port, LED5_Pin, GPIO_PIN_SET);
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HAL_Delay(tDelay);
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HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(LED4_GPIO_Port, LED4_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(LED5_GPIO_Port, LED5_Pin, GPIO_PIN_RESET);
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}
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}
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/* =========================== I2C WRITE Functions =========================== */
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/*
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* write bytes to chip register
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*/
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int8_t i2c_writeBytes(uint8_t slaveAddr, uint8_t regAddr, uint8_t length, uint8_t *data)
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{
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// !! Using the I2C Interrupt will fail writing the DMP.. could be that DMP memory writing requires more time !! So use the I2C without interrupt.
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// HAL_I2C_Mem_Write_IT(&hi2c1, slaveAddr << 1, regAddr, 1, data, length);
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// while(HAL_I2C_STATE_READY != HAL_I2C_GetState(&hi2c1)); // Wait until all data bytes are sent/received
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// return 0;
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return HAL_I2C_Mem_Write(&hi2c1, slaveAddr << 1, regAddr, 1, data, length, 100); // Address is shifted one position to the left. LSB is reserved for the Read/Write bit.
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}
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/*
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* write 1 byte to chip register
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*/
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int8_t i2c_writeByte(uint8_t slaveAddr, uint8_t regAddr, uint8_t data)
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{
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return i2c_writeBytes(slaveAddr, regAddr, 1, &data);
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}
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/*
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* write one bit to chip register
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*/
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int8_t i2c_writeBit(uint8_t slaveAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data) {
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uint8_t b;
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i2c_readByte(slaveAddr, regAddr, &b);
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b = (data != 0) ? (b | (1 << bitNum)) : (b & ~(1 << bitNum));
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return i2c_writeByte(slaveAddr, regAddr, b);
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}
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/* =========================== I2C READ Functions =========================== */
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/*
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* read bytes from chip register
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*/
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int8_t i2c_readBytes(uint8_t slaveAddr, uint8_t regAddr, uint8_t length, uint8_t *data)
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{
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// !! Using the I2C Interrupt will fail writing the DMP.. could be that DMP memory writing requires more time !! So use the I2C without interrupt.
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// HAL_I2C_Mem_Read(&hi2c1, slaveAddr << 1, regAddr, 1, data, length);
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// while(HAL_I2C_STATE_READY != HAL_I2C_GetState(&hi2c1)); // Wait until all data bytes are sent/received
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// return 0;
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return HAL_I2C_Mem_Read(&hi2c1, slaveAddr << 1, regAddr, 1, data, length, 100); // Address is shifted one position to the left. LSB is reserved for the Read/Write bit.
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}
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/*
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* read 1 byte from chip register
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*/
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int8_t i2c_readByte(uint8_t slaveAddr, uint8_t regAddr, uint8_t *data)
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{
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return i2c_readBytes(slaveAddr, regAddr, 1, data);
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}
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/*
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* read 1 bit from chip register
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*/
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int8_t i2c_readBit(uint8_t slaveAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data)
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{
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uint8_t b;
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int8_t status = i2c_readByte(slaveAddr, regAddr, &b);
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*data = b & (1 << bitNum);
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return status;
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}
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