// Configures TIM4 Peripheral for LEDs lighting.
static void TIM_LED_Config(void) {
__HAL_RCC_TIM4_CLK_ENABLE();
HAL_NVIC_SetPriority(TIM4_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(TIM4_IRQn);
/* -----------------------------------------------------------------------
TIM4 Configuration: Output Compare Timing Mode:
To get TIM4 counter clock at 250 KHz, the prescaler is computed as follows:
Prescaler = (TIM4CLK / TIM4 counter clock) - 1
Prescaler = ((f(APB1) * 2) / 250 KHz) - 1
CC update rate = TIM4 counter clock / CCR_Val = 32.687 Hz
==> Toggling frequency = 16.343 Hz
----------------------------------------------------------------------- */
/* Compute the prescaler value */
uint16_t prescalervalue = (uint16_t) ((HAL_RCC_GetPCLK1Freq() * 2) / 250000)
- 1;
/* Time base configuration */
ledTimer.Instance = TIM4;
ledTimer.Init.Period = 65535;
ledTimer.Init.Prescaler = prescalervalue;
ledTimer.Init.ClockDivision = 0;
ledTimer.Init.CounterMode = TIM_COUNTERMODE_UP;
if (HAL_TIM_OC_Init(&ledTimer) != HAL_OK) {
Error_Handler();
}
/* Output Compare Timing Mode configuration: Channel1 */
ledConfig.OCMode = TIM_OCMODE_TIMING;
ledConfig.OCIdleState = TIM_OCIDLESTATE_SET;
ledConfig.Pulse = CCR1Val;
ledConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
ledConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH;
ledConfig.OCFastMode = TIM_OCFAST_ENABLE;
ledConfig.OCNIdleState = TIM_OCNIDLESTATE_SET;
/* Initialize the TIM4 Channel1 with the structure above */
if (HAL_TIM_OC_ConfigChannel(&ledTimer, &ledConfig, TIM_CHANNEL_1)
!= HAL_OK) {
Error_Handler();
}
/* Start the Output Compare */
if (HAL_TIM_OC_Start_IT(&ledTimer, TIM_CHANNEL_1) != HAL_OK) {
Error_Handler();
}
}
void STM32FrequencyChannel::Enable (bool enable)
{
if (enable)
{
__HAL_TIM_SET_COMPARE (timer.handle, channel,
__HAL_TIM_GetCompare (timer.handle, channel) +
reloadValue);
HAL_TIM_OC_Start_IT (timer.handle, channel);
}
else
{
HAL_TIM_OC_Stop_IT (timer.handle, channel);
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/* Configure LED1, LED2, LED3 and LED4 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Compute the prescaler value to have TIMx counter clock equal to 2 KHz */
uwPrescalerValue = ((SystemCoreClock /2) / 2000) - 1;
/*##-1- Configure the TIM peripheral #######################################*/
/* ---------------------------------------------------------------
TIM2 Configuration: Output Compare Inactive Mode:
In this example TIM2 input clock (TIM2CLK) is set to 2 * APB1 clock (PCLK1),
since APB1 prescaler is different from 1.
TIM2CLK = 2 * PCLK1
PCLK1 = HCLK / 4
=> TIM2CLK = HCLK / 2 = SystemCoreClock /2
To get TIM2 counter clock at 2 KHz, the prescaler is computed as follows:
Prescaler = (TIM2CLK / TIM2 counter clock) - 1
Prescaler = ((SystemCoreClock /2) /2 KHz) - 1
Generate 4 signals with 4 different delays:
TIM2_CH1 delay = uhCCR1_Val/TIM2 counter clock = 500 ms
TIM2_CH2 delay = uhCCR2_Val/TIM2 counter clock = 250 ms
TIM2_CH3 delay = uhCCR3_Val/TIM2 counter clock = 125 ms
TIM2_CH4 delay = uhCCR4_Val/TIM2 counter clock = 62.5 ms
Note:
SystemCoreClock variable holds HCLK frequency and is defined in system_stm32f4xx.c file.
Each time the core clock (HCLK) changes, user had to update SystemCoreClock
variable value. Otherwise, any configuration based on this variable will be incorrect.
This variable is updated in three ways:
1) by calling CMSIS function SystemCoreClockUpdate()
2) by calling HAL API function HAL_RCC_GetSysClockFreq()
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
--------------------------------------------------------------- */
/* Initialize TIMx peripheral as follow:
+ Prescaler = (SystemCoreClock/2)/2000
+ Period = 65535
+ ClockDivision = 0
+ Counter direction = Up
*/
TimHandle.Instance = TIMx;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Configure the Output Compare channels ##############################*/
/* Common configuration for all channels */
sConfig.OCMode = TIM_OCMODE_INACTIVE;
sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
/* Set the pulse (delay1) value for channel 1 */
sConfig.Pulse = PULSE1_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Set the pulse (delay2) value for channel 2 */
sConfig.Pulse = PULSE2_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Set the pulse (delay3) value for channel 3 */
sConfig.Pulse = PULSE3_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Set the pulse (delay4) value for channel 4 */
sConfig.Pulse = PULSE4_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/*##-3- Turn on LED1, LED2, LED3 and LED4 ##################################*/
BSP_LED_On(LED1);
BSP_LED_On(LED2);
BSP_LED_On(LED3);
BSP_LED_On(LED4);
/*##-4- Start signals generation ###########################################*/
/* Start channel 1 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 2 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 3 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 4 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_4) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* STM32F2xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 120 MHz */
SystemClock_Config();
/* Configure LED3 */
BSP_LED_Init(LED3);
/*##-1- Configure the TIM peripheral #######################################*/
/* ---------------------------------------------------------------------------
TIM3 Configuration: Output Compare Toggle Mode:
To get TIM3 counter clock at 10 MHz, the prescaler is computed as follows:
Prescaler = (TIM3CLK / TIM3 counter clock) - 1
Prescaler = ((SystemCoreClock/2) /10000000) - 1
CC1 update rate = TIM3 counter clock / uhCCR1_Val
= 10 MHz/25641 = 390 Hz
==> So the TIM3 Channel 1 generates a periodic signal with a frequency equal
to 195 Hz.
CC2 update rate = TIM3 counter clock / uhCCR2_Val
= 10 MHz/12820 = 780 Hz
==> So the TIM3 Channel 2 generates a periodic signal with a frequency equal
to 390 Hz.
CC3 update rate = TIM3 counter clock / uhCCR3_Val
= 10 MHz/6410 = 1560 Hz
==> So the TIM3 Channel 3 generates a periodic signal with a frequency equal
to 780 Hz.
CC4 update rate = TIM3 counter clock / uhCCR4_Val
= 10 MHz/3205 = 3120 Hz
==> So the TIM3 Channel 4 generates a periodic signal with a frequency equal
to 1560 Hz.
--------------------------------------------------------------------------- */
/* Compute the prescaler value to have TIM3 counter clock equal to 12.5 MHz */
uwPrescalerValue = (uint32_t)(((SystemCoreClock/2) / 10000000) - 1);
TimHandle.Instance = TIM3;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Configure the Output Compare channels ##############################*/
/* Common configuration for all channels */
sConfig.OCMode = TIM_OCMODE_TOGGLE;
sConfig.OCPolarity = TIM_OCPOLARITY_LOW;
/* Output Compare Toggle Mode configuration: Channel1 */
sConfig.Pulse = uhCCR1_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel2 */
sConfig.Pulse = uhCCR2_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel3 */
sConfig.Pulse = uhCCR3_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel4 */
sConfig.Pulse = uhCCR4_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/*##-3- Start signals generation #######################################*/
/* Start channel 1 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 2 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 3 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 4 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_4) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
while (1)
{}
}
/**
* @brief TIM3, TIM4, TIM8 configuration
* @param None
* @retval None
*/
static void TIM_Config(void) {
TIM_MasterConfigTypeDef sMasterConfig;
/*########## TIM3 peripheral - PING (1 Hz) ##########*/
TimHandle3.Instance = TIM3;
TimHandle3.Init.Period = 10000;
TimHandle3.Init.Prescaler = (uint32_t)(((SystemCoreClock / 2) / 10000) - 1); //10kHz
// T = 1/f = 1/10k = 0,0001 ; time = Period * T = 1s
TimHandle3.Init.ClockDivision = 0;
TimHandle3.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle3) != HAL_OK) {
Error_Handler();
}
// Configure the Output Compare channel:
sConfig.OCMode = TIM_OCMODE_TOGGLE;
sConfig.Pulse = 100;
sConfig.OCPolarity = TIM_OCPOLARITY_LOW;
if(HAL_TIM_OC_ConfigChannel(&TimHandle3, &sConfig, TIM_CHANNEL_1) != HAL_OK) {
Error_Handler();
}
if(HAL_TIM_OC_Start_IT(&TimHandle3, TIM_CHANNEL_1) != HAL_OK) {
Error_Handler();
}
/*########## TIM4 peripheral - UDP (10 Hz) ##########*/
TimHandle4.Instance = TIM4;
TimHandle4.Init.Period = 10000;
TimHandle4.Init.Prescaler = (uint32_t)(((SystemCoreClock / 2) / 100000) - 1); //100kHz
// T = 1/f = 1/100k = 0,00001 ; time = Period * T = 0,1s
TimHandle4.Init.ClockDivision = 0;
TimHandle4.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle4) != HAL_OK) {
Error_Handler();
}
if(HAL_TIM_OC_ConfigChannel(&TimHandle4, &sConfig, TIM_CHANNEL_2) != HAL_OK) {
Error_Handler();
}
if(HAL_TIM_OC_Start_IT(&TimHandle4, TIM_CHANNEL_2) != HAL_OK) {
Error_Handler();
}
/*########## TIM8 peripheral - ADC ##########*/
TimHandle8.Instance = TIM8;
TimHandle8.Init.Period = 0x3C;
TimHandle8.Init.Prescaler = 0;
TimHandle8.Init.ClockDivision = 0;
TimHandle8.Init.CounterMode = TIM_COUNTERMODE_UP;
TimHandle8.Init.RepetitionCounter = 0x0;
if(HAL_TIM_Base_Init(&TimHandle8) != HAL_OK) {
Error_Handler();
}
// TIM8 TRGO selection:
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if(HAL_TIMEx_MasterConfigSynchronization(&TimHandle8, &sMasterConfig) != HAL_OK) {
Error_Handler(); //TIM8 TRGO selection Error
}
if(HAL_TIM_Base_Start(&TimHandle8) != HAL_OK) {
Error_Handler(); //Counter Enable Error
}
/*########## TIM1 peripheral - PWM ##########*/
TimHandle1.Instance = TIM1;
TimHandle1.Init.Period = uhTimerPeriod;
TimHandle1.Init.RepetitionCounter = 3;
TimHandle1.Init.Prescaler = 0;
TimHandle1.Init.ClockDivision = 0;
TimHandle1.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_PWM_Init(&TimHandle1) != HAL_OK) {
Error_Handler();
}
// Configure the PWM channel 3:
sConfig.OCMode = TIM_OCMODE_PWM1;
sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfig.Pulse = aCCValue_Buffer;
if(HAL_TIM_PWM_ConfigChannel(&TimHandle1, &sConfig, TIM_CHANNEL_3) != HAL_OK) {
Error_Handler();
}
// Start PWM signal generation in DMA mode:
if(HAL_TIM_PWM_Start_DMA(&TimHandle1, TIM_CHANNEL_3, &aCCValue_Buffer, 1) != HAL_OK) {
Error_Handler();
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- Configure the TIM peripheral #######################################*/
/* ---------------------------------------------------------------------------
TIM3 Configuration: Output Compare Toggle Mode:
In this example TIM3 input clock (TIM3CLK) is set to 2 * APB1 clock (PCLK1),
since APB1 prescaler is different from 1.
TIM3CLK = 2 * PCLK1
PCLK1 = HCLK / 4
=> TIM3CLK = HCLK / 2 = SystemCoreClock /2
To get TIM3 counter clock at 18 MHz, the prescaler is computed as follows:
Prescaler = (TIM3CLK / TIM3 counter clock) - 1
Prescaler = ((SystemCoreClock /2) /18 MHz) - 1
CC1 update rate = TIM3 counter clock / uhCCR1_Val = 439.44 Hz
==> So the TIM3 Channel 1 generates a periodic signal with a
frequency equal to 219.72 Hz.
CC2 update rate = TIM3 counter clock / uhCCR2_Val = 878.9 Hz
==> So the TIM3 Channel 2 generates a periodic signal with a
frequency equal to 439.45 Hz.
CC3 update rate = TIM3 counter clock / uhCCR3_Val = 1757.81 Hz
==> So the TIM3 Channel 3 generates a periodic signal with a
frequency equal to 878.9 Hz.
CC4 update rate = TIM3 counter clock / uhCCR4_Val = 3515.62 Hz
==> So the TIM3 Channel 4 generates a periodic signal with a
frequency equal to 1757.81 Hz.
Note:
SystemCoreClock variable holds HCLK frequency and is defined in system_stm32f4xx.c file.
Each time the core clock (HCLK) changes, user had to update SystemCoreClock
variable value. Otherwise, any configuration based on this variable will be incorrect.
This variable is updated in three ways:
1) by calling CMSIS function SystemCoreClockUpdate()
2) by calling HAL API function HAL_RCC_GetSysClockFreq()
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
--------------------------------------------------------------------------- */
/* Compute the prescaler value to have TIMx counter clock equal to 21 MHz */
uwPrescalerValue = (uint32_t)(((SystemCoreClock /2) / 18000000) - 1);
/* Initialize TIMx peripheral as follow:
+ Prescaler = ((SystemCoreClock /2) / 18000000) - 1
+ Period = 65535
+ ClockDivision = 0
+ Counter direction = Up
*/
TimHandle.Instance = TIMx;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Configure the Output Compare channels ##############################*/
/* Output Compare Toggle Mode configuration: Channel1 */
sConfig.OCMode = TIM_OCMODE_TOGGLE;
sConfig.Pulse = uhCCR1_Val;
sConfig.OCPolarity = TIM_OCPOLARITY_LOW;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel2 */
sConfig.Pulse = uhCCR2_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel3 */
sConfig.Pulse = uhCCR3_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel4 */
sConfig.Pulse = uhCCR4_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/*##-3- Start signals generation ###########################################*/
/* Start channel 1 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 2 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 3 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 4 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_4) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* This sample code shows how to use STM32L0xx TIM HAL API to generate 4 signals
with four different frequencies.*/
/* STM32L0xx HAL library initialization:
- Configure the Flash prefetch, Flash preread and Buffer caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize LED3 */
BSP_LED_Init(LED3);
/*##-1- Configure the TIM peripheral #######################################*/
/* ---------------------------------------------------------------------------
TIM2 Configuration: Output Compare Toggle Mode:
To get TIM2 counter clock at 16 MHz, the prescaler is computed as follows:
Prescaler = (TIM2CLK / TIM2 counter clock) - 1
Prescaler = (SystemCoreClock /16 MHz) - 1
CC1 update rate = TIM2 counter clock / uhCCR1_Val = 390.615 Hz
==> So the TIM2 Channel 1 generates a periodic signal with a frequency equal
to 195.30 Hz.
CC2 update rate = TIM2 counter clock / uhCCR2_Val = 781.25 Hz
==> So the TIM2 Channel 2 generates a periodic signal with a frequency equal
to 390.625 Hz.
CC3 update rate = TIM2 counter clock / uhCCR3_Val = 1562.5 Hz
==> So the TIM2 Channel 3 generates a periodic signal with a frequency equal
to 781.25 Hz.
CC4 update rate = TIM2 counter clock / uhCCR4_Val = 3125 Hz
==> So the TIM2 Channel 4 generates a periodic signal with a frequency equal
to 1562.5 Hz.
--------------------------------------------------------------------------- */
/* Compute the prescaler value to have TIM2 counter clock equal to 16 MHz */
uwPrescalerValue = (uint32_t)((SystemCoreClock / 16000000) - 1);
TimHandle.Instance = TIM2;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
{
/* Initialization Error */
ErrorHandler();
}
/*##-2- Configure the Output Compare channels ##############################*/
/* Common configuration for all channels */
sConfig.OCMode = TIM_OCMODE_TOGGLE;
sConfig.OCPolarity = TIM_OCPOLARITY_LOW;
/* Output Compare Toggle Mode configuration: Channel1 */
sConfig.Pulse = uhCCR1_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
{
/* Configuration Error */
ErrorHandler();
}
/* Output Compare Toggle Mode configuration: Channel2 */
sConfig.Pulse = uhCCR2_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
{
/* Configuration Error */
ErrorHandler();
}
/* Output Compare Toggle Mode configuration: Channel3 */
sConfig.Pulse = uhCCR3_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK)
{
/* Configuration Error */
ErrorHandler();
}
/* Output Compare Toggle Mode configuration: Channel4 */
sConfig.Pulse = uhCCR4_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK)
{
/* Configuration Error */
ErrorHandler();
}
/*##-3- Start signals generation #######################################*/
/* Start channel 1 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
/* Starting Error */
ErrorHandler();
}
/* Start channel 2 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
{
/* Starting Error */
ErrorHandler();
}
/* Start channel 3 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
{
/* Starting Error */
ErrorHandler();
}
/* Start channel 4 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_4) != HAL_OK)
{
/* Starting Error */
ErrorHandler();
}
while (1)
{}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization: global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Configure LED3 */
BSP_LED_Init(LED3);
/*##-1- Configure the TIM peripheral #######################################*/
/* ---------------------------------------------------------------------------
TIM1 Configuration: Output Compare Toggle Mode:
To get TIM1 counter clock at 20 MHz, the prescaler is computed as follows:
Prescaler = (TIM1CLK / TIM1 counter clock) - 1
Prescaler = (SystemCoreClock /20000000) - 1
CC1 update rate = TIM1 counter clock / uhCCR1_Val
= 20 MHz/40961 = 488.269 Hz
==> So the TIM1 Channel 1 generates a periodic signal with a frequency equal
to 244.13 Hz.
CC2 update rate = TIM1 counter clock / uhCCR2_Val
= 20 MHz/20480 = 976.56 Hz
==> So the TIM1 Channel 2 generates a periodic signal with a frequency equal
to 488.28 Hz.
CC3 update rate = TIM1 counter clock / uhCCR3_Val
= 20 MHz/10240 = 1953.1 Hz
==> So the TIM1 Channel 3 generates a periodic signal with a frequency equal
to 976.56 Hz.
CC4 update rate = TIM1 counter clock / uhCCR4_Val
= 20 MHz/5120 = 3906.25 Hz
==> So the TIM1 Channel 4 generates a periodic signal with a frequency equal
to 1953.12 Hz.
--------------------------------------------------------------------------- */
/* Compute the prescaler value to have TIM1 counter clock equal to 20 MHz */
uwPrescalerValue = (uint32_t)((SystemCoreClock / 20000000) - 1);
TimHandle.Instance = TIM1;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Configure the Output Compare channels ##############################*/
/* Common configuration for all channels */
sConfig.OCMode = TIM_OCMODE_TOGGLE;
sConfig.OCPolarity = TIM_OCPOLARITY_LOW;
/* Output Compare Toggle Mode configuration: Channel1 */
sConfig.Pulse = uhCCR1_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel2 */
sConfig.Pulse = uhCCR2_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel3 */
sConfig.Pulse = uhCCR3_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Output Compare Toggle Mode configuration: Channel4 */
sConfig.Pulse = uhCCR4_Val;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/*##-3- Start signals generation #######################################*/
/* Start channel 1 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 2 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 3 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 4 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_4) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
while (1)
{}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Enable GPIO Clock */
__HAL_RCC_GPIOB_CLK_ENABLE();
/* Configure the GPIO pins: used to display the 4 wave forms */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
/* Configure PB.00 to display wave form of channel1 */
GPIO_InitStruct.Pin = GPIO_PIN_0;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Configure PB.01 to display wave form of channel2 */
GPIO_InitStruct.Pin = GPIO_PIN_1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Configure PB.03 to display wave form of channel3 */
GPIO_InitStruct.Pin = GPIO_PIN_3;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Configure PB.05 to display wave form of channel4 */
GPIO_InitStruct.Pin = GPIO_PIN_5;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Compute the prescaler value to have TIMx counter clock equal to 10 kHz */
uwPrescalerValue = ((SystemCoreClock) / 10000) - 1;
/*##-1- Configure the TIM peripheral #######################################*/
/* Initialize TIMx peripheral as follow:
+ Prescaler = (SystemCoreClock)/10000 - 1;
+ Period = 65535
+ ClockDivision = 0
+ Counter direction = Up
*/
TimHandle.Instance = TIM1;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Configure the Output Compare channels #########################################*/
/* Common configuration for all channels */
sConfig.OCMode = TIM_OCMODE_INACTIVE;
sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
/* Set the pulse (delay1) value for channel 1 */
sConfig.Pulse = PULSE1_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Set the pulse (delay2) value for channel 2 */
sConfig.Pulse = PULSE2_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Set the pulse (delay3) value for channel 3 */
sConfig.Pulse = PULSE3_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/* Set the pulse (delay4) value for channel 4 */
sConfig.Pulse = PULSE4_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_4) != HAL_OK)
{
/* Configuration Error */
Error_Handler();
}
/*##-3- Set GPIO Pins PB.00, PB.01, PB.03 and PB.05 as reference ###################*/
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5, GPIO_PIN_SET);
/*##-4- Start signals generation #######################################*/
/* Start channel 1 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 2 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_2) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 3 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_3) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
/* Start channel 4 in Output compare mode */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_4) != HAL_OK)
{
/* Starting Error */
Error_Handler();
}
while (1)
{
}
}
/**
* @brief Configures TIM4 Peripheral for LEDs lighting.
* @param None
* @retval None
*/
static void TIM_LED_Config(void)
{
uint16_t prescalervalue = 0;
uint32_t tmpvalue = 0;
/* TIM4 clock enable */
__HAL_RCC_TIM4_CLK_ENABLE();
/* Enable the TIM4 global Interrupt */
HAL_NVIC_SetPriority(TIM4_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(TIM4_IRQn);
/* -----------------------------------------------------------------------
TIM4 Configuration: Output Compare Timing Mode:
To get TIM4 counter clock at 550 KHz, the prescaler is computed as follows:
Prescaler = (TIM4CLK / TIM4 counter clock) - 1
Prescaler = ((f(APB1) * 2) /550 KHz) - 1
CC update rate = TIM4 counter clock / CCR_Val = 32.687 Hz
==> Toggling frequency = 16.343 Hz
----------------------------------------------------------------------- */
/* Compute the prescaler value */
tmpvalue = HAL_RCC_GetPCLK1Freq();
prescalervalue = (uint16_t) ((tmpvalue * 2) / 550000) - 1;
/* Time base configuration */
hTimLed.Instance = TIM4;
hTimLed.Init.Period = 65535;
hTimLed.Init.Prescaler = prescalervalue;
hTimLed.Init.ClockDivision = 0;
hTimLed.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&hTimLed) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Output Compare Timing Mode configuration: Channel1 */
sConfigLed.OCMode = TIM_OCMODE_TIMING;
sConfigLed.OCIdleState = TIM_OCIDLESTATE_SET;
sConfigLed.Pulse = CCR1Val;
sConfigLed.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigLed.OCNPolarity = TIM_OCNPOLARITY_HIGH;
sConfigLed.OCFastMode = TIM_OCFAST_ENABLE;
sConfigLed.OCNIdleState = TIM_OCNIDLESTATE_SET;
/* Initialize the TIM4 Channel1 with the structure above */
if(HAL_TIM_OC_ConfigChannel(&hTimLed, &sConfigLed, TIM_CHANNEL_1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Start the Output Compare */
if(HAL_TIM_OC_Start_IT(&hTimLed, TIM_CHANNEL_1) != HAL_OK)
{
/* Start Error */
Error_Handler();
}
}
/**
* @brief Period elapsed callback in non blocking mode
* @param htim : TIM handle
* @retval None
*/
void timesBaseInit(void)
{
TIM_ClockConfigTypeDef sClockSourceConfig;
TIM_MasterConfigTypeDef sMasterConfig;
TIM_OC_InitTypeDef sConfigOC;
uint32_t uwPrescalerValue = 0;
/*##-1- Configure the TIM peripheral #######################################*/
/* -----------------------------------------------------------------------
In this example TIM3 input clock (TIM3CLK) is set to 2 * APB1 clock (PCLK1),
since APB1 prescaler is different from 1.
TIM3CLK = 2 * PCLK1
PCLK1 = HCLK / 4
=> TIM3CLK = HCLK / 2 = SystemCoreClock /2
To get TIM3 counter clock at 10 KHz, the Prescaler is computed as following:
Prescaler = (TIM3CLK / TIM3 counter clock) - 1
Prescaler = ((SystemCoreClock /2) /10 KHz) - 1
----------------------------------------------------------------------- */
/* Compute the prescaler value to have TIM7 counter clock equal to 10 KHz */
uwPrescalerValue = (uint32_t) ((SystemCoreClock /2) / (HI_TIME_FREQ * 2));
htim7.Instance = TIM7;
htim7.Init.Prescaler = uwPrescalerValue;
htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
htim7.Init.Period = 2-1;
htim7.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
HAL_TIM_Base_Init(&htim7);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&htim7, &sMasterConfig);
HAL_TIM_Base_Start_IT(&htim7);
uwPrescalerValue = (uint32_t) ((SystemCoreClock /2) / (LOW_TIME_FREQ * 100));
htim6.Instance = TIM6;
htim6.Init.Prescaler = uwPrescalerValue;
htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
htim6.Init.Period = 100-1;
HAL_TIM_Base_Init(&htim6);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig);
if(HAL_TIM_Base_Start_IT(&htim6) != HAL_OK)
{
/* Starting Error */
// Error_Handler();
}
/*## Configure the TIM peripheral for ADC123 injected trigger ####################*/
/* -----------------------------------------------------------------------
Use TIM5 for start Injected conversion on ADC1 (gyro rate).
Use TIM5 for start Injected conversion on ADC2 (not use).
Use TIM5 for start Injected conversion on ADC3 (not use).
----------------------------------------------------------------------- */
/* Compute the prescaler value to have TIM5 counter clock equal to 10 KHz */
uwPrescalerValue = (uint32_t) ((SystemCoreClock /2) / (GYRO_TIME_FREQ * 100));
htim5.Instance = TIM5;
htim5.Init.Prescaler = uwPrescalerValue;
htim5.Init.CounterMode = TIM_COUNTERMODE_UP;
htim5.Init.Period = 100-1;
htim5.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
// htim5.Init.RepetitionCounter = 0x0;
HAL_TIM_Base_Init(&htim5);
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
HAL_TIM_ConfigClockSource(&htim5, &sClockSourceConfig);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE; //TIM_TRGO_UPDATE see adc.c => ADC1 injected section
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&htim5, &sMasterConfig);
HAL_TIM_Base_Start_IT(&htim5);
/*## Configure the TIM peripheral for ADC23 regular trigger ####################*/
/* -----------------------------------------------------------------------
Use TIM2 for start Regular conversion on ADC2 (telemeters, just use in timer base).
Use TIM2 for start Regular conversion on ADC3 (not use).
----------------------------------------------------------------------- */
/* Compute the prescaler value to have TIM2 counter clock equal to 10 KHz */
uwPrescalerValue = (uint32_t) ((SystemCoreClock /2) / (TELEMETERS_TIME_FREQ * 100));
htim2.Instance = TIM2;
htim2.Init.Prescaler = uwPrescalerValue;
htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
htim2.Init.Period = 100-1;
htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim2.Init.RepetitionCounter = 0x0;
HAL_TIM_Base_Init(&htim2);
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig);
HAL_TIM_Base_Start_IT(&htim2);
/*## Configure the TIM peripheral for ADC1 regular trigger ####################*/
/* -----------------------------------------------------------------------
Use TIM4 for start Regular conversion on ADC1 (vbat, gyro_temp, internal_temps, internal vbat).
----------------------------------------------------------------------- */
/* Compute the prescaler value to have TIM4 counter clock equal to 1 Hz */
uwPrescalerValue = (uint32_t) ((SystemCoreClock /2) / (MULTIMMETER_TIME_FREQ * 10000));
htim4.Instance = TIM4;
htim4.Init.Prescaler = uwPrescalerValue;
htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
htim4.Init.Period = 10000-1;
htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
HAL_TIM_Base_Init(&htim4);
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
HAL_TIM_ConfigClockSource(&htim4, &sClockSourceConfig);
HAL_TIM_OC_Init(&htim4);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig);
sConfigOC.OCMode = TIM_OCMODE_TOGGLE;
sConfigOC.Pulse = 1;
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
HAL_TIM_OC_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_4);
HAL_TIM_OC_Start_IT(&htim4, TIM_CHANNEL_4);
}
// 输出比较 回调函数
void HAL_TIM_OC_DelayElapsedCallback(TIM_HandleTypeDef *htim)
{
uint16_t delay_new = 0;
// TIM4
if (htim->Instance == TIM4) {
// 1
// 排烟风机 通道
if(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_1) {
// 排烟风机 delay_on， 打开输出
// 输出：On
HAL_GPIO_WritePin(PORT_SCR, SCR0_smoke, GPIO_PIN_RESET);
HAL_TIM_OC_Stop_IT( &htim4, TIM_CHANNEL_1);
// 启动波峰
if (is_lower_blow) {
is_lower_blow = false;
delay_new = __HAL_TIM_GET_COMPARE(&htim4, TIM_CHANNEL_1);
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_1, delay_new + 10000 - 1);
HAL_TIM_OC_Start_IT( &htim4, TIM_CHANNEL_1);
}
//设置停止时间
delay_new = __HAL_TIM_GET_COMPARE(&htim1, TIM_CHANNEL_1);
__HAL_TIM_SET_COMPARE(&htim1, TIM_CHANNEL_1, delay_new + uS_DELAY_OFF);
// 启动定时器
HAL_TIM_OC_Start_IT( &htim1, TIM_CHANNEL_1);
}
// 2
// 循环风机通道
if(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_2) {
// 循环风机 delay_on， 打开输出
// 输出：On
HAL_GPIO_WritePin(PORT_SCR, SCR1_exchange, GPIO_PIN_RESET);
HAL_TIM_OC_Stop_IT( &htim4, TIM_CHANNEL_2);
// 启动波峰
if (is_lower_exchange) {
is_lower_exchange = false;
delay_new = __HAL_TIM_GET_COMPARE(&htim4, TIM_CHANNEL_2);
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_2, delay_new + 10000 - 1);
HAL_TIM_OC_Start_IT( &htim4, TIM_CHANNEL_2);
}
//设置停止时间
uint16_t delay_new = __HAL_TIM_GET_COMPARE(&htim1, TIM_CHANNEL_2);
__HAL_TIM_SET_COMPARE(&htim1, TIM_CHANNEL_2, delay_new + uS_DELAY_OFF);
// 启动定时器
HAL_TIM_OC_Start_IT( &htim1, TIM_CHANNEL_2);
}
// 3
// 送料电机 通道
if(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_3) {
HAL_GPIO_WritePin(PORT_SCR, SCR2_feed, GPIO_PIN_RESET);
HAL_TIM_OC_Stop_IT( &htim4, TIM_CHANNEL_3);
// 启动波峰
if (is_lower_feed) {
is_lower_feed = false;
uint16_t delay_new = __HAL_TIM_GET_COMPARE(&htim4, TIM_CHANNEL_3);
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_3, delay_new + 10000 - 1);
HAL_TIM_OC_Start_IT( &htim4, TIM_CHANNEL_3);
}
//设置停止时间
uint16_t delay_new = __HAL_TIM_GET_COMPARE(&htim1, TIM_CHANNEL_3);
__HAL_TIM_SET_COMPARE(&htim1, TIM_CHANNEL_3, delay_new + uS_DELAY_OFF);
}
}
// TIM1
// 延时1ms关闭触发
if (htim->Instance == TIM1) {
// 1
if(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_1) {
HAL_GPIO_WritePin(PORT_SCR, SCR0_smoke, GPIO_PIN_SET);
HAL_TIM_OC_Stop_IT( &htim1, TIM_CHANNEL_1);
}
// 2
if(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_2) {
// 输出 循环：Off
HAL_GPIO_WritePin(PORT_SCR, SCR1_exchange, GPIO_PIN_SET);
HAL_TIM_OC_Stop_IT( &htim1, TIM_CHANNEL_2);
}
// 3
if(htim->Channel == HAL_TIM_ACTIVE_CHANNEL_3) {
// 输出 送料： Off
HAL_GPIO_WritePin(PORT_SCR, SCR2_feed, GPIO_PIN_SET);
HAL_TIM_OC_Stop_IT( &htim1, TIM_CHANNEL_3);
}
} // TIM1
//
}
/* 过零点触发中断 回调函数 */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if (GPIO_Pin != ZERO)
return;
bool wave_is_rise;
// 读Pin，判断是上升沿还是下降沿
if (HAL_GPIO_ReadPin(PORT_ZERO, ZERO) == GPIO_PIN_RESET) {
wave_is_rise = true;
}
else {
wave_is_rise = false;
}
// t 顺序： 1 3 4 6
// 上升沿
if (wave_is_rise) {
t4 = __HAL_TIM_GET_COUNTER(&htim3);
// 上升沿是否valid?
// if (!it_is_valid(t4_prev, t4)) {
// t4_prev = t4;
// r++;
// return;
// }
//r++;
}
else {
// 下降沿
t6 = __HAL_TIM_GET_COUNTER(&htim3);
// 下降沿是否valid?
// if (!it_is_valid(t6_prev, t6)) {
// t6_prev = t6;
// f++;
// return;
// }
//f++;
}
if (wave_is_rise) // 只在波谷计算，否则退出
return;
is_lower_blow = true; // 设置波谷flag
is_lower_exchange = true;
is_lower_feed = true;
/* 下降沿时计算下一个零点 */
// t2
if (t3 < t1)
t2 = (0xffff + t1 + t3) / 2;
else
t2 = (t1 + t3) / 2;
// t5
if (t6 < t4)
t5 = (0xffff + t4 + t6) / 2;
else
t5 = (t4 + t6) / 2;
// 交流电源周期
if (t5 < t2)
T1 = 0xffff + t5 - t2;
else
T1 = t5 - t2;
// 下一个零点
if (t5 < t4)
t7 = t5 + 0xffff - t4 + (T1 / 4); /* 计算不对 ！ */
else
t7 = t5 - t4 + (T1 / 4);
// counter++;
// if (counter >=299) {
// //printf("t4:%d,t5:%d,t6:%d,t7:%d,T1:%d\r\n", t4,t5,t6,t7,T1);
// printf("delay:%d\r\n", t7 + TOTAL_TIME - triac_cur.fan_smoke_delay * 100);
// counter = 0;
// }
// 更新数值
t1 = t4;
t2 = t5;
t3 = t6;
// 计数器复位
__HAL_TIM_SET_COUNTER (&htim1, 0);
__HAL_TIM_SET_COUNTER (&htim4, 0);
// 检查Q_Triac队列，更新输出的控制状态
if (Q_TriacHandle != NULL) {
// 读取值
osEvent evt = osMessageGet(Q_TriacHandle, 0);
if (evt.status == osEventMessage) {
triac_cur = *((Triac *)evt.value.p);
// 更新送料duty
on_count = triac_cur.feed_duty * 100;
off_count = 1000 - on_count; // 10s = 10000ms 10000 / 10 = 1000
// 返还内存
osStatus status = osPoolFree(pool_TriacHandle, evt.value.p);
if (status != osOK)
printf("Free Triac memory error:%x\r\n", status);
}
}
// 设置period
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_1, t7 + TOTAL_TIME - triac_cur.fan_smoke_delay * 100); // 80÷100×10×1000 ＝ 80×100
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_2, t7 + TOTAL_TIME - triac_cur.fan_exchange_delay * 100);
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_3, t7);
/* 输出: 条件判断 */
HAL_StatusTypeDef status;
//排烟通道
if (triac_cur.fan_smoke_is_on) {
status = HAL_TIM_OC_Start_IT(&htim4, TIM_CHANNEL_1);
if (status != HAL_OK)
printf("time4 c1 failed at zero:%x\r\n", status);
}
//循环通道
if (triac_cur.fan_exchange_is_on) {
status = HAL_TIM_OC_Start_IT(&htim4, TIM_CHANNEL_2);
if (status != HAL_OK)
printf("time4 c2 failed:%x\r\n", status);
}
//送料通道 ON计数 OFF计数
if (triac_cur.feed_is_on) {
// 送料
if (running_feed) {
if (on_cnt < on_count) {
// 输出 送料： On
HAL_TIM_OC_Start_IT(&htim4, TIM_CHANNEL_3);
on_cnt++;
}
else {
on_cnt = 0;
off_cnt = 0;
running_feed = false;
waiting_feed = true;
}
}
// 不送料
if (waiting_feed) {
off_cnt ++;
if (off_cnt >= off_count) {
on_cnt = 0;
off_cnt = 0;
running_feed = true;
waiting_feed = false;
}
}
}
//
}
void startsyncpulse(void){
//Starts pulsing for VD_IN
HAL_TIM_Base_Start_IT(&htim8);
HAL_TIM_OC_Start_IT(&htim8,TIM_CHANNEL_1);
}
