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Implement fan PWM

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This commit is contained in:
jazzpi 2022-06-14 00:44:46 +02:00
parent bf08863de8
commit 705b9da821
9 changed files with 183 additions and 17 deletions
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15
Core/Inc/FanControl.h Normal file
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@ -0,0 +1,15 @@
#ifndef INC_FAN_CONTROL_H
#define INC_FAN_CONTROL_H
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_def.h"
#include "stm32f4xx_hal_tim.h"
HAL_StatusTypeDef fan_ctrl_init(TIM_HandleTypeDef* handle, uint32_t channel);
/**
* @brief Set the power of the fan (0 -> off, 100 -> full power).
*/
void fan_ctrl_set_power(uint32_t percent);
#endif // INC_FAN_CONTROL_H

2
Core/Inc/main.h
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@ -48,6 +48,8 @@ extern "C" {
#define MAIN_LOOP_PERIOD 100 /* ms */
/* USER CODE END EM */
void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim);
/* Exported functions prototypes ---------------------------------------------*/
void Error_Handler(void);

2
Core/Inc/stm32f4xx_hal_conf.h
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@ -63,7 +63,7 @@
/* #define HAL_SD_MODULE_ENABLED */
/* #define HAL_MMC_MODULE_ENABLED */
/* #define HAL_SPI_MODULE_ENABLED */
/* #define HAL_TIM_MODULE_ENABLED */
#define HAL_TIM_MODULE_ENABLED
#define HAL_UART_MODULE_ENABLED
/* #define HAL_USART_MODULE_ENABLED */
/* #define HAL_IRDA_MODULE_ENABLED */

27
Core/Src/FanControl.c Normal file
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@ -0,0 +1,27 @@
#include "FanControl.h"
#include "stm32f4xx_hal_def.h"
#include "stm32f4xx_hal_tim.h"
TIM_HandleTypeDef* timer;
uint32_t channel;
HAL_StatusTypeDef fan_ctrl_init(TIM_HandleTypeDef* handle, uint32_t channel_) {
timer = handle;
channel = channel_;
return HAL_TIM_PWM_Start(timer, channel);
}
void fan_ctrl_set_power(uint32_t percent) {
if (percent > 100) {
percent = 100;
}
// The PWM signal switches a low side switch, so we need to invert the duty
// cycle.
percent = 100 - percent;
uint32_t counter = timer->Init.Period * percent / 100;
__HAL_TIM_SET_COMPARE(timer, channel, counter);
}

60
Core/Src/main.c
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@ -23,9 +23,11 @@
/* USER CODE BEGIN Includes */
#include "BQ_Abstraction_Layer.h"
#include "EEPROM.h"
#include "FanControl.h"
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_gpio.h"
#include "stm32f4xx_hal_tim.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@ -48,6 +50,8 @@ CAN_HandleTypeDef hcan2;
I2C_HandleTypeDef hi2c1;
TIM_HandleTypeDef htim3;
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
UART_HandleTypeDef huart3;
@ -67,6 +71,7 @@ static void MX_USART1_UART_Init(void);
static void MX_USART2_UART_Init(void);
static void MX_USART3_UART_Init(void);
static void MX_USART6_UART_Init(void);
static void MX_TIM3_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
@ -136,6 +141,7 @@ int main(void) {
MX_USART2_UART_Init();
MX_USART3_UART_Init();
MX_USART6_UART_Init();
MX_TIM3_Init();
/* USER CODE BEGIN 2 */
HAL_GPIO_WritePin(DCDC_CTRL_GPIO_Port, DCDC_CTRL_Pin, GPIO_PIN_SET);
HAL_Delay(100);
@ -145,6 +151,7 @@ int main(void) {
if (eeprom_read_random(EEPROM_ADDR_SLAVE_ID, &id) == HAL_OK) {
HAL_GPIO_WritePin(STAT_LED4_GPIO_Port, STAT_LED4_Pin, GPIO_PIN_SET);
}
fan_ctrl_init(&htim3, TIM_CHANNEL_4);
/* USER CODE END 2 */
/* Infinite loop */
@ -156,6 +163,7 @@ int main(void) {
update_status_leds();
afe_measure();
delay_period();
fan_ctrl_set_power((HAL_GetTick() / 100) % 100);
}
/* USER CODE END 3 */
}
@ -297,6 +305,50 @@ static void MX_I2C1_Init(void) {
/* USER CODE END I2C1_Init 2 */
}
/**
* @brief TIM3 Initialization Function
* @param None
* @retval None
*/
static void MX_TIM3_Init(void) {
/* USER CODE BEGIN TIM3_Init 0 */
/* USER CODE END TIM3_Init 0 */
TIM_MasterConfigTypeDef sMasterConfig = {0};
TIM_OC_InitTypeDef sConfigOC = {0};
/* USER CODE BEGIN TIM3_Init 1 */
/* USER CODE END TIM3_Init 1 */
htim3.Instance = TIM3;
htim3.Init.Prescaler = 0;
htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
htim3.Init.Period = 500;
htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_PWM_Init(&htim3) != HAL_OK) {
Error_Handler();
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) {
Error_Handler();
}
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = 0;
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_4) != HAL_OK) {
Error_Handler();
}
/* USER CODE BEGIN TIM3_Init 2 */
/* USER CODE END TIM3_Init 2 */
HAL_TIM_MspPostInit(&htim3);
}
/**
* @brief USART1 Initialization Function
* @param None
@ -459,14 +511,6 @@ static void MX_GPIO_Init(void) {
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(BQ_FAULT_N_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : FAN_PWM_Pin */
GPIO_InitStruct.Pin = FAN_PWM_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
HAL_GPIO_Init(FAN_PWM_GPIO_Port, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */

74
Core/Src/stm32f4xx_hal_msp.c
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@ -57,7 +57,9 @@
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
@ -289,6 +291,76 @@ void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
}
/**
* @brief TIM_PWM MSP Initialization
* This function configures the hardware resources used in this example
* @param htim_pwm: TIM_PWM handle pointer
* @retval None
*/
void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef* htim_pwm)
{
if(htim_pwm->Instance==TIM3)
{
/* USER CODE BEGIN TIM3_MspInit 0 */
/* USER CODE END TIM3_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_TIM3_CLK_ENABLE();
/* USER CODE BEGIN TIM3_MspInit 1 */
/* USER CODE END TIM3_MspInit 1 */
}
}
void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(htim->Instance==TIM3)
{
/* USER CODE BEGIN TIM3_MspPostInit 0 */
/* USER CODE END TIM3_MspPostInit 0 */
__HAL_RCC_GPIOC_CLK_ENABLE();
/**TIM3 GPIO Configuration
PC9 ------> TIM3_CH4
*/
GPIO_InitStruct.Pin = FAN_PWM_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
HAL_GPIO_Init(FAN_PWM_GPIO_Port, &GPIO_InitStruct);
/* USER CODE BEGIN TIM3_MspPostInit 1 */
/* USER CODE END TIM3_MspPostInit 1 */
}
}
/**
* @brief TIM_PWM MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param htim_pwm: TIM_PWM handle pointer
* @retval None
*/
void HAL_TIM_PWM_MspDeInit(TIM_HandleTypeDef* htim_pwm)
{
if(htim_pwm->Instance==TIM3)
{
/* USER CODE BEGIN TIM3_MspDeInit 0 */
/* USER CODE END TIM3_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_TIM3_CLK_DISABLE();
/* USER CODE BEGIN TIM3_MspDeInit 1 */
/* USER CODE END TIM3_MspDeInit 1 */
}
}
/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example

2
Makefile
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@ -1,5 +1,5 @@
##########################################################################################################################
# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Sun Jun 12 16:56:47 CEST 2022]
# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Mon Jun 13 23:59:18 CEST 2022]
##########################################################################################################################
# ------------------------------------------------

1
STM32Make.make
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@ -41,6 +41,7 @@ Core/Src/BQ_Abstraction_Layer.c \
Core/Src/BQ_Communication.c \
Core/Src/BatteryManagement.c \
Core/Src/EEPROM.c \
Core/Src/FanControl.c \
Core/Src/SoftI2C.c \
Core/Src/TMP144.c \
Core/Src/main.c \

17
ams-slave.ioc
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@ -21,15 +21,16 @@ Mcu.CPN=STM32F412RET6
Mcu.Family=STM32F4
Mcu.IP0=CAN1
Mcu.IP1=CAN2
Mcu.IP10=USART6
Mcu.IP2=I2C1
Mcu.IP3=NVIC
Mcu.IP4=RCC
Mcu.IP5=SYS
Mcu.IP6=USART1
Mcu.IP7=USART2
Mcu.IP8=USART3
Mcu.IP9=USART6
Mcu.IPNb=10
Mcu.IP6=TIM3
Mcu.IP7=USART1
Mcu.IP8=USART2
Mcu.IP9=USART3
Mcu.IPNb=11
Mcu.Name=STM32F412R(E-G)Tx
Mcu.Package=LQFP64
Mcu.Pin0=PC0
@ -205,8 +206,12 @@ RCC.VCOI2SInputFreq_Value=1000000
RCC.VCOI2SOutputFreq_Value=192000000
RCC.VCOInputFreq_Value=2000000
RCC.VCOOutputFreq_Value=100000000
SH.S_TIM3_CH4.0=TIM3_CH4
SH.S_TIM3_CH4.0=TIM3_CH4,PWM Generation4 CH4
SH.S_TIM3_CH4.ConfNb=1
TIM3.Channel-PWM\ Generation4\ CH4=TIM_CHANNEL_4
TIM3.IPParameters=Channel-PWM Generation4 CH4,Period,Pulse-PWM Generation4 CH4
TIM3.Period=500
TIM3.Pulse-PWM\ Generation4\ CH4=0
USART1.BaudRate=115200
USART1.IPParameters=VirtualMode,BaudRate
USART1.VirtualMode=VM_ASYNC