mirror of https://github.com/rusefi/bldc.git
244 lines
8.4 KiB
C
244 lines
8.4 KiB
C
/*
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Copyright 2018 Benjamin Vedder benjamin@vedder.se
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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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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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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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#include "hw.h"
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#include "ch.h"
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#include "hal.h"
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#include "stm32f4xx_conf.h"
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#include "utils.h"
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#include <math.h>
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#include "mc_interface.h"
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// Variables
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static volatile bool i2c_running = false;
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// I2C configuration
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static const I2CConfig i2cfg = {
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OPMODE_I2C,
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100000,
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STD_DUTY_CYCLE
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};
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void hw_init_gpio(void) {
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// GPIO clock enable
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
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// LEDs
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palSetPadMode(LED_GREEN_GPIO, LED_GREEN_PIN,
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PAL_MODE_OUTPUT_PUSHPULL |
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PAL_STM32_OSPEED_HIGHEST);
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palSetPadMode(LED_RED_GPIO, LED_RED_PIN,
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PAL_MODE_OUTPUT_PUSHPULL |
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PAL_STM32_OSPEED_HIGHEST);
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// GPIOA Configuration: Channel 1 to 3 as alternate function push-pull
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palSetPadMode(GPIOA, 8, PAL_MODE_ALTERNATE(GPIO_AF_TIM1) |
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PAL_STM32_OSPEED_HIGHEST |
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PAL_STM32_PUDR_FLOATING);
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palSetPadMode(GPIOA, 9, PAL_MODE_ALTERNATE(GPIO_AF_TIM1) |
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PAL_STM32_OSPEED_HIGHEST |
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PAL_STM32_PUDR_FLOATING);
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palSetPadMode(GPIOA, 10, PAL_MODE_ALTERNATE(GPIO_AF_TIM1) |
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PAL_STM32_OSPEED_HIGHEST |
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PAL_STM32_PUDR_FLOATING);
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palSetPadMode(GPIOB, 13, PAL_MODE_ALTERNATE(GPIO_AF_TIM1) |
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PAL_STM32_OSPEED_HIGHEST |
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PAL_STM32_PUDR_FLOATING);
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palSetPadMode(GPIOB, 14, PAL_MODE_ALTERNATE(GPIO_AF_TIM1) |
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PAL_STM32_OSPEED_HIGHEST |
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PAL_STM32_PUDR_FLOATING);
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palSetPadMode(GPIOB, 15, PAL_MODE_ALTERNATE(GPIO_AF_TIM1) |
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PAL_STM32_OSPEED_HIGHEST |
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PAL_STM32_PUDR_FLOATING);
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// Hall sensors
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palSetPadMode(HW_HALL_ENC_GPIO1, HW_HALL_ENC_PIN1, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(HW_HALL_ENC_GPIO2, HW_HALL_ENC_PIN2, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(HW_HALL_ENC_GPIO3, HW_HALL_ENC_PIN3, PAL_MODE_INPUT_PULLUP);
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// ADC Pins
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palSetPadMode(GPIOA, 0, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOA, 1, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOA, 2, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOA, 3, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOA, 5, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOB, 0, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOB, 1, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOC, 0, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOC, 1, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOC, 2, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOC, 3, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOC, 4, PAL_MODE_INPUT_ANALOG);
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palSetPadMode(GPIOC, 5, PAL_MODE_INPUT_ANALOG);
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}
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void hw_setup_adc_channels(void) {
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// ADC1 regular channels
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ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_15Cycles); // 0 SENS1
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ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 2, ADC_SampleTime_15Cycles); // 3 CURR1
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ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 3, ADC_SampleTime_15Cycles); // 6 EXT
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ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 4, ADC_SampleTime_15Cycles); // 9 TEMP_MOTOR
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ADC_RegularChannelConfig(ADC1, ADC_Channel_Vrefint, 5, ADC_SampleTime_15Cycles); // 12 VREFINT
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ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 6, ADC_SampleTime_15Cycles); // 15 TEMP_MOS_2
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// ADC2 regular channels
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ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 1, ADC_SampleTime_15Cycles); // 1 SENS2
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ADC_RegularChannelConfig(ADC2, ADC_Channel_11, 2, ADC_SampleTime_15Cycles); // 4 CURR2
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ADC_RegularChannelConfig(ADC2, ADC_Channel_6, 3, ADC_SampleTime_15Cycles); // 7 EXT2
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ADC_RegularChannelConfig(ADC2, ADC_Channel_15, 4, ADC_SampleTime_15Cycles); // 10 UNUSED
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ADC_RegularChannelConfig(ADC2, ADC_Channel_0, 5, ADC_SampleTime_15Cycles); // 13 UNUSED
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ADC_RegularChannelConfig(ADC2, ADC_Channel_9, 6, ADC_SampleTime_15Cycles); // 16 TEMP_MOS_3
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// ADC3 regular channels
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ADC_RegularChannelConfig(ADC3, ADC_Channel_2, 1, ADC_SampleTime_15Cycles); // 2 SENS3
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ADC_RegularChannelConfig(ADC3, ADC_Channel_12, 2, ADC_SampleTime_15Cycles); // 5 CURR3
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ADC_RegularChannelConfig(ADC3, ADC_Channel_3, 3, ADC_SampleTime_15Cycles); // 8 TEMP_MOS
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ADC_RegularChannelConfig(ADC3, ADC_Channel_13, 4, ADC_SampleTime_15Cycles); // 11 VIN_SENS
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ADC_RegularChannelConfig(ADC3, ADC_Channel_1, 5, ADC_SampleTime_15Cycles); // 14 UNUSED
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ADC_RegularChannelConfig(ADC3, ADC_Channel_2, 6, ADC_SampleTime_15Cycles); // 17 UNUSED
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// Injected channels
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ADC_InjectedChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_15Cycles); // CURR1
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ADC_InjectedChannelConfig(ADC2, ADC_Channel_11, 1, ADC_SampleTime_15Cycles); // CURR2
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ADC_InjectedChannelConfig(ADC3, ADC_Channel_12, 1, ADC_SampleTime_15Cycles); // CURR3
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ADC_InjectedChannelConfig(ADC1, ADC_Channel_10, 2, ADC_SampleTime_15Cycles); // CURR1
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ADC_InjectedChannelConfig(ADC2, ADC_Channel_11, 2, ADC_SampleTime_15Cycles); // CURR2
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ADC_InjectedChannelConfig(ADC3, ADC_Channel_12, 2, ADC_SampleTime_15Cycles); // CURR3
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ADC_InjectedChannelConfig(ADC1, ADC_Channel_10, 3, ADC_SampleTime_15Cycles); // CURR1
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ADC_InjectedChannelConfig(ADC2, ADC_Channel_11, 3, ADC_SampleTime_15Cycles); // CURR2
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ADC_InjectedChannelConfig(ADC3, ADC_Channel_12, 3, ADC_SampleTime_15Cycles); // CURR3
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}
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void hw_start_i2c(void) {
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i2cAcquireBus(&HW_I2C_DEV);
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if (!i2c_running) {
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palSetPadMode(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN,
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PAL_MODE_ALTERNATE(HW_I2C_GPIO_AF) |
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PAL_STM32_OTYPE_OPENDRAIN |
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PAL_STM32_OSPEED_MID1 |
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PAL_STM32_PUDR_PULLUP);
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palSetPadMode(HW_I2C_SDA_PORT, HW_I2C_SDA_PIN,
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PAL_MODE_ALTERNATE(HW_I2C_GPIO_AF) |
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PAL_STM32_OTYPE_OPENDRAIN |
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PAL_STM32_OSPEED_MID1 |
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PAL_STM32_PUDR_PULLUP);
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i2cStart(&HW_I2C_DEV, &i2cfg);
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i2c_running = true;
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}
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i2cReleaseBus(&HW_I2C_DEV);
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}
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void hw_stop_i2c(void) {
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i2cAcquireBus(&HW_I2C_DEV);
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if (i2c_running) {
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palSetPadMode(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN, PAL_MODE_INPUT);
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palSetPadMode(HW_I2C_SDA_PORT, HW_I2C_SDA_PIN, PAL_MODE_INPUT);
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i2cStop(&HW_I2C_DEV);
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i2c_running = false;
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}
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i2cReleaseBus(&HW_I2C_DEV);
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}
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/**
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* Try to restore the i2c bus
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*/
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void hw_try_restore_i2c(void) {
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if (i2c_running) {
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i2cAcquireBus(&HW_I2C_DEV);
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palSetPadMode(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN,
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PAL_STM32_OTYPE_OPENDRAIN |
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PAL_STM32_OSPEED_MID1 |
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PAL_STM32_PUDR_PULLUP);
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palSetPadMode(HW_I2C_SDA_PORT, HW_I2C_SDA_PIN,
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PAL_STM32_OTYPE_OPENDRAIN |
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PAL_STM32_OSPEED_MID1 |
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PAL_STM32_PUDR_PULLUP);
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palSetPad(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN);
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palSetPad(HW_I2C_SDA_PORT, HW_I2C_SDA_PIN);
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chThdSleep(1);
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for(int i = 0;i < 16;i++) {
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palClearPad(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN);
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chThdSleep(1);
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palSetPad(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN);
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chThdSleep(1);
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}
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// Generate start then stop condition
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palClearPad(HW_I2C_SDA_PORT, HW_I2C_SDA_PIN);
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chThdSleep(1);
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palClearPad(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN);
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chThdSleep(1);
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palSetPad(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN);
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chThdSleep(1);
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palSetPad(HW_I2C_SDA_PORT, HW_I2C_SDA_PIN);
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palSetPadMode(HW_I2C_SCL_PORT, HW_I2C_SCL_PIN,
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PAL_MODE_ALTERNATE(HW_I2C_GPIO_AF) |
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PAL_STM32_OTYPE_OPENDRAIN |
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PAL_STM32_OSPEED_MID1 |
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PAL_STM32_PUDR_PULLUP);
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palSetPadMode(HW_I2C_SDA_PORT, HW_I2C_SDA_PIN,
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PAL_MODE_ALTERNATE(HW_I2C_GPIO_AF) |
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PAL_STM32_OTYPE_OPENDRAIN |
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PAL_STM32_OSPEED_MID1 |
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PAL_STM32_PUDR_PULLUP);
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HW_I2C_DEV.state = I2C_STOP;
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i2cStart(&HW_I2C_DEV, &i2cfg);
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i2cReleaseBus(&HW_I2C_DEV);
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}
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}
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float hw_a200s_get_temp(void) {
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float t1 = (1.0 / ((logf(NTC_RES(ADC_Value[ADC_IND_TEMP_MOS]) / 10000.0) / 3900.0) + (1.0 / 298.15)) - 273.15);
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float t2 = (1.0 / ((logf(NTC_RES(ADC_Value[ADC_IND_TEMP_MOS_2]) / 10000.0) / 3900.0) + (1.0 / 298.15)) - 273.15);
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float t3 = (1.0 / ((logf(NTC_RES(ADC_Value[ADC_IND_TEMP_MOS_3]) / 10000.0) / 3900.0) + (1.0 / 298.15)) - 273.15);
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float res = 0.0;
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if (t1 > t2 && t1 > t3) {
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res = t1;
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} else if (t2 > t1 && t2 > t3) {
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res = t2;
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} else {
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res = t3;
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}
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return res;
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}
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