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timer based ADC triggering

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calib-gui
Ondřej Hruška 2 years ago
parent bff7f6e916
commit 091d6c5648
14 changed files with 104 additions and 60 deletions
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  1. 38
      BluepillTrouba.ioc
  2. 4
      Core/Inc/main.h
  3. 1
      Core/Inc/stm32f1xx_it.h
  4. 1
      Core/Inc/tim.h
  5. 10
      Core/Src/adc.c
  6. 2
      Core/Src/app_heater.c
  7. 16
      Core/Src/app_temp.c
  8. 2
      Core/Src/freertos.c
  9. 1
      Core/Src/main.c
  10. 21
      Core/Src/stm32f1xx_it.c
  11. 52
      Core/Src/tim.c
  12. 1
      Core/Src/usart.c
  13. 2
      Makefile
  14. 13
      Middlewares/Third_Party/FreeRTOS/Source/tasks.c

38
BluepillTrouba.ioc
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@ -3,8 +3,9 @@ ADC1.Channel-0\#ChannelRegularConversion=ADC_CHANNEL_0
ADC1.Channel-1\#ChannelRegularConversion=ADC_CHANNEL_1
ADC1.Channel-2\#ChannelRegularConversion=ADC_CHANNEL_TEMPSENSOR
ADC1.Channel-3\#ChannelRegularConversion=ADC_CHANNEL_VREFINT
ADC1.ContinuousConvMode=ENABLE
ADC1.IPParameters=Rank-0\#ChannelRegularConversion,Channel-0\#ChannelRegularConversion,SamplingTime-0\#ChannelRegularConversion,NbrOfConversionFlag,master,ContinuousConvMode,Rank-1\#ChannelRegularConversion,Channel-1\#ChannelRegularConversion,SamplingTime-1\#ChannelRegularConversion,Rank-2\#ChannelRegularConversion,Channel-2\#ChannelRegularConversion,SamplingTime-2\#ChannelRegularConversion,Rank-3\#ChannelRegularConversion,Channel-3\#ChannelRegularConversion,SamplingTime-3\#ChannelRegularConversion,NbrOfConversion
ADC1.ContinuousConvMode=DISABLE
ADC1.ExternalTrigConv=ADC_EXTERNALTRIGCONV_T1_CC1
ADC1.IPParameters=Rank-0\#ChannelRegularConversion,Channel-0\#ChannelRegularConversion,SamplingTime-0\#ChannelRegularConversion,NbrOfConversionFlag,master,ContinuousConvMode,Rank-1\#ChannelRegularConversion,Channel-1\#ChannelRegularConversion,SamplingTime-1\#ChannelRegularConversion,Rank-2\#ChannelRegularConversion,Channel-2\#ChannelRegularConversion,SamplingTime-2\#ChannelRegularConversion,Rank-3\#ChannelRegularConversion,Channel-3\#ChannelRegularConversion,SamplingTime-3\#ChannelRegularConversion,NbrOfConversion,ExternalTrigConv
ADC1.NbrOfConversion=4
ADC1.NbrOfConversionFlag=1
ADC1.Rank-0\#ChannelRegularConversion=1
@ -49,17 +50,18 @@ Mcu.CPN=STM32F103C8T6
Mcu.Family=STM32F1
Mcu.IP0=ADC1
Mcu.IP1=DMA
Mcu.IP10=TIM4
Mcu.IP11=USART1
Mcu.IP10=TIM3
Mcu.IP11=TIM4
Mcu.IP12=USART1
Mcu.IP2=FREERTOS
Mcu.IP3=IWDG
Mcu.IP4=NVIC
Mcu.IP5=RCC
Mcu.IP6=SPI2
Mcu.IP7=SYS
Mcu.IP8=TIM2
Mcu.IP9=TIM3
Mcu.IPNb=12
Mcu.IP8=TIM1
Mcu.IP9=TIM2
Mcu.IPNb=13
Mcu.Name=STM32F103C(8-B)Tx
Mcu.Package=LQFP48
Mcu.Pin0=PC13-TAMPER-RTC
@ -77,8 +79,10 @@ Mcu.Pin19=VP_FREERTOS_VS_CMSIS_V2
Mcu.Pin2=PA1
Mcu.Pin20=VP_IWDG_VS_IWDG
Mcu.Pin21=VP_SYS_VS_Systick
Mcu.Pin22=VP_TIM2_VS_ClockSourceINT
Mcu.Pin23=VP_TIM3_VS_ClockSourceINT
Mcu.Pin22=VP_TIM1_VS_ClockSourceINT
Mcu.Pin23=VP_TIM1_VS_no_output1
Mcu.Pin24=VP_TIM2_VS_ClockSourceINT
Mcu.Pin25=VP_TIM3_VS_ClockSourceINT
Mcu.Pin3=PA6
Mcu.Pin4=PB0
Mcu.Pin5=PB1
@ -86,13 +90,12 @@ Mcu.Pin6=PB10
Mcu.Pin7=PB13
Mcu.Pin8=PB15
Mcu.Pin9=PA9
Mcu.PinsNb=24
Mcu.PinsNb=26
Mcu.ThirdPartyNb=0
Mcu.UserConstants=
Mcu.UserName=STM32F103C8Tx
MxCube.Version=6.5.0
MxDb.Version=DB.6.0.50
NVIC.ADC1_2_IRQn=true\:5\:0\:false\:false\:true\:true\:true\:true\:true
NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:true
NVIC.DMA1_Channel1_IRQn=true\:5\:0\:false\:false\:true\:true\:false\:true\:true
NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:true
@ -109,8 +112,6 @@ NVIC.SavedSystickIrqHandlerGenerated=true
NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:true\:false\:true\:true
NVIC.TIM4_IRQn=true\:5\:0\:false\:false\:true\:true\:true\:true\:true
NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:true
PA0-WKUP.GPIOParameters=GPIO_Label
PA0-WKUP.GPIO_Label=ADC_PT100
PA0-WKUP.Signal=ADCx_IN0
PA1.GPIOParameters=GPIO_Label
PA1.GPIO_Label=ADC_SENSR
@ -194,7 +195,7 @@ ProjectManager.StackSize=0x400
ProjectManager.TargetToolchain=Makefile
ProjectManager.ToolChainLocation=
ProjectManager.UnderRoot=false
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-LL-false,2-MX_GPIO_Init-GPIO-false-LL-true,3-MX_IWDG_Init-IWDG-false-LL-true,4-MX_USART1_UART_Init-USART1-false-LL-true,5-MX_ADC1_Init-ADC1-false-LL-true,6-MX_DMA_Init-DMA-false-LL-true,7-MX_TIM4_Init-TIM4-false-LL-true,8-MX_TIM2_Init-TIM2-false-LL-true,9-MX_TIM3_Init-TIM3-false-LL-true,10-MX_SPI2_Init-SPI2-false-LL-true
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-LL-false,2-MX_GPIO_Init-GPIO-false-LL-true,3-MX_IWDG_Init-IWDG-false-LL-true,4-MX_USART1_UART_Init-USART1-false-LL-true,5-MX_ADC1_Init-ADC1-false-LL-true,6-MX_DMA_Init-DMA-false-LL-true,7-MX_TIM4_Init-TIM4-false-LL-true,8-MX_TIM2_Init-TIM2-false-LL-true,9-MX_TIM3_Init-TIM3-false-LL-true,10-MX_SPI2_Init-SPI2-false-LL-true,11-MX_TIM1_Init-TIM1-false-LL-true
RCC.ADCFreqValue=8000000
RCC.ADCPresc=RCC_ADCPCLK2_DIV8
RCC.AHBFreq_Value=64000000
@ -236,6 +237,11 @@ SPI2.Direction=SPI_DIRECTION_2LINES
SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,BaudRatePrescaler
SPI2.Mode=SPI_MODE_MASTER
SPI2.VirtualType=VM_MASTER
TIM1.Channel-PWM\ Generation1\ No\ Output=TIM_CHANNEL_1
TIM1.IPParameters=Prescaler,Period,TIM_MasterOutputTrigger,Channel-PWM Generation1 No Output
TIM1.Period=100
TIM1.Prescaler=64000
TIM1.TIM_MasterOutputTrigger=TIM_TRGO_OC1REF
TIM2.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
TIM2.IPParameters=Channel-PWM Generation1 CH1,Prescaler
TIM2.Prescaler=2
@ -260,6 +266,10 @@ VP_IWDG_VS_IWDG.Mode=IWDG_Activate
VP_IWDG_VS_IWDG.Signal=IWDG_VS_IWDG
VP_SYS_VS_Systick.Mode=SysTick
VP_SYS_VS_Systick.Signal=SYS_VS_Systick
VP_TIM1_VS_ClockSourceINT.Mode=Internal
VP_TIM1_VS_ClockSourceINT.Signal=TIM1_VS_ClockSourceINT
VP_TIM1_VS_no_output1.Mode=PWM Generation1 No Output
VP_TIM1_VS_no_output1.Signal=TIM1_VS_no_output1
VP_TIM2_VS_ClockSourceINT.Mode=Internal
VP_TIM2_VS_ClockSourceINT.Signal=TIM2_VS_ClockSourceINT
VP_TIM3_VS_ClockSourceINT.Mode=Internal

4
Core/Inc/main.h
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@ -50,6 +50,8 @@ extern "C" {
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#define __weak __attribute__((weak))
/* USER CODE END Includes */
/* Exported types ------------------------------------------------------------*/
@ -77,8 +79,6 @@ void Error_Handler(void);
/* Private defines -----------------------------------------------------------*/
#define LED_Pin LL_GPIO_PIN_13
#define LED_GPIO_Port GPIOC
#define ADC_PT100_Pin LL_GPIO_PIN_0
#define ADC_PT100_GPIO_Port GPIOA
#define ADC_SENSR_Pin LL_GPIO_PIN_1
#define ADC_SENSR_GPIO_Port GPIOA
#define OLED_CS_Pin LL_GPIO_PIN_0

1
Core/Inc/stm32f1xx_it.h
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@ -54,7 +54,6 @@ void UsageFault_Handler(void);
void DebugMon_Handler(void);
void SysTick_Handler(void);
void DMA1_Channel1_IRQHandler(void);
void ADC1_2_IRQHandler(void);
void TIM4_IRQHandler(void);
/* USER CODE BEGIN EFP */

1
Core/Inc/tim.h
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@ -36,6 +36,7 @@ extern "C" {
/* USER CODE END Private defines */
void MX_TIM1_Init(void);
void MX_TIM2_Init(void);
void MX_TIM3_Init(void);
void MX_TIM4_Init(void);

10
Core/Src/adc.c
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@ -46,7 +46,7 @@ void MX_ADC1_Init(void)
PA0-WKUP ------> ADC1_IN0
PA1 ------> ADC1_IN1
*/
GPIO_InitStruct.Pin = ADC_PT100_Pin|ADC_SENSR_Pin;
GPIO_InitStruct.Pin = LL_GPIO_PIN_0|ADC_SENSR_Pin;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ANALOG;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
@ -67,10 +67,6 @@ void MX_ADC1_Init(void)
LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_1, LL_DMA_MDATAALIGN_HALFWORD);
/* ADC1 interrupt Init */
NVIC_SetPriority(ADC1_2_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
NVIC_EnableIRQ(ADC1_2_IRQn);
/* USER CODE BEGIN ADC1_Init 1 */
/* USER CODE END ADC1_Init 1 */
@ -82,10 +78,10 @@ void MX_ADC1_Init(void)
LL_ADC_Init(ADC1, &ADC_InitStruct);
ADC_CommonInitStruct.Multimode = LL_ADC_MULTI_INDEPENDENT;
LL_ADC_CommonInit(__LL_ADC_COMMON_INSTANCE(ADC1), &ADC_CommonInitStruct);
ADC_REG_InitStruct.TriggerSource = LL_ADC_REG_TRIG_SOFTWARE;
ADC_REG_InitStruct.TriggerSource = LL_ADC_REG_TRIG_EXT_TIM1_CH1;
ADC_REG_InitStruct.SequencerLength = LL_ADC_REG_SEQ_SCAN_ENABLE_4RANKS;
ADC_REG_InitStruct.SequencerDiscont = LL_ADC_REG_SEQ_DISCONT_DISABLE;
ADC_REG_InitStruct.ContinuousMode = LL_ADC_REG_CONV_CONTINUOUS;
ADC_REG_InitStruct.ContinuousMode = LL_ADC_REG_CONV_SINGLE;
ADC_REG_InitStruct.DMATransfer = LL_ADC_REG_DMA_TRANSFER_UNLIMITED;
LL_ADC_REG_Init(ADC1, &ADC_REG_InitStruct);

2
Core/Src/app_heater.c
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@ -109,6 +109,6 @@ void app_task_heater(void *argument)
// TODO notify UI thread of the new temperature and heating percent
vTaskDelayUntil(&wake_time, pdMS_TO_TICKS(500));
vTaskDelayUntil(&wake_time, pdMS_TO_TICKS(100));
}
}

16
Core/Src/app_temp.c
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@ -16,8 +16,8 @@ static volatile uint16_t adc_values[4];
const float V_REFINT = 1.23f;
#define AVERAGEBUF_DEPTH 16
#define OVENTEMP_HISTORY_DEPTH 10
#define AVERAGEBUF_DEPTH 8
#define OVENTEMP_HISTORY_DEPTH 5
static struct App {
float oven_temp;
@ -156,7 +156,14 @@ void app_analog_init()
LL_DMA_EnableIT_TC(DMA1, LL_DMA_CHANNEL_1);
LL_ADC_REG_StartConversionExtTrig(ADC_TEMP, LL_ADC_REG_TRIG_EXT_RISING);
LL_ADC_REG_StartConversionSWStart(ADC_TEMP);
// LL_ADC_REG_StartConversionSWStart(ADC_TEMP);
LL_TIM_SetTriggerOutput(TIM1, LL_TIM_TRGO_CC1IF);
LL_TIM_CC_EnableChannel(TIM1, LL_TIM_CHANNEL_CH1);
LL_TIM_OC_SetCompareCH1(TIM1, 10);
LL_TIM_SetAutoReload(TIM1, 20);
LL_TIM_EnableAllOutputs(TIM1);
LL_TIM_EnableCounter(TIM1);
}
static float val_to_c(float val)
@ -241,7 +248,8 @@ float app_temp_read_soc()
void app_temp_adc_eos()
{
PUTCHAR('a');
//PUTCHAR('a');
// notify
memcpy((void *) &s_analog.adc_averagebuf[s_analog.averagebuf_ptr * 4], (const void *) adc_values, 4 * sizeof(uint16_t));
s_analog.averagebuf_ptr = (s_analog.averagebuf_ptr + 1) % AVERAGEBUF_DEPTH;

2
Core/Src/freertos.c
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@ -223,7 +223,7 @@ void MX_FREERTOS_Init(void) {
* @retval None
*/
/* USER CODE END Header_app_task_main */
__attribute__((weak)) void app_task_main(void *argument)
__weak void app_task_main(void *argument)
{
/* USER CODE BEGIN app_task_main */
/* Infinite loop */

1
Core/Src/main.c
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@ -118,6 +118,7 @@ int main(void)
MX_TIM2_Init();
MX_TIM3_Init();
MX_SPI2_Init();
MX_TIM1_Init();
/* USER CODE BEGIN 2 */
PUTS("Start.\r\n");

21
Core/Src/stm32f1xx_it.c
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@ -206,27 +206,6 @@ void DMA1_Channel1_IRQHandler(void)
/* USER CODE END DMA1_Channel1_IRQn 1 */
}
/**
* @brief This function handles ADC1 and ADC2 global interrupts.
*/
void ADC1_2_IRQHandler(void)
{
/* USER CODE BEGIN ADC1_2_IRQn 0 */
// app_temp_adc_eos();
// if (LL_ADC_IsActiveFlag_EOS(ADC_TEMP)) {
// LL_ADC_ClearFlag_EOS(ADC_TEMP);
// app_temp_adc_eos();
// }
/* USER CODE END ADC1_2_IRQn 0 */
/* USER CODE BEGIN ADC1_2_IRQn 1 */
/* USER CODE END ADC1_2_IRQn 1 */
}
/**
* @brief This function handles TIM4 global interrupt.
*/

52
Core/Src/tim.c
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@ -24,6 +24,58 @@
/* USER CODE END 0 */
/* TIM1 init function */
void MX_TIM1_Init(void)
{
/* USER CODE BEGIN TIM1_Init 0 */
/* USER CODE END TIM1_Init 0 */
LL_TIM_InitTypeDef TIM_InitStruct = {0};
LL_TIM_OC_InitTypeDef TIM_OC_InitStruct = {0};
LL_TIM_BDTR_InitTypeDef TIM_BDTRInitStruct = {0};
/* Peripheral clock enable */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_TIM1);
/* USER CODE BEGIN TIM1_Init 1 */
/* USER CODE END TIM1_Init 1 */
TIM_InitStruct.Prescaler = 64000;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
TIM_InitStruct.Autoreload = 100;
TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
TIM_InitStruct.RepetitionCounter = 0;
LL_TIM_Init(TIM1, &TIM_InitStruct);
LL_TIM_DisableARRPreload(TIM1);
LL_TIM_SetClockSource(TIM1, LL_TIM_CLOCKSOURCE_INTERNAL);
LL_TIM_OC_EnablePreload(TIM1, LL_TIM_CHANNEL_CH1);
TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_PWM1;
TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
TIM_OC_InitStruct.CompareValue = 0;
TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
TIM_OC_InitStruct.OCNPolarity = LL_TIM_OCPOLARITY_HIGH;
TIM_OC_InitStruct.OCIdleState = LL_TIM_OCIDLESTATE_LOW;
TIM_OC_InitStruct.OCNIdleState = LL_TIM_OCIDLESTATE_LOW;
LL_TIM_OC_Init(TIM1, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
LL_TIM_OC_DisableFast(TIM1, LL_TIM_CHANNEL_CH1);
LL_TIM_SetTriggerOutput(TIM1, LL_TIM_TRGO_OC1REF);
LL_TIM_DisableMasterSlaveMode(TIM1);
TIM_BDTRInitStruct.OSSRState = LL_TIM_OSSR_DISABLE;
TIM_BDTRInitStruct.OSSIState = LL_TIM_OSSI_DISABLE;
TIM_BDTRInitStruct.LockLevel = LL_TIM_LOCKLEVEL_OFF;
TIM_BDTRInitStruct.DeadTime = 0;
TIM_BDTRInitStruct.BreakState = LL_TIM_BREAK_DISABLE;
TIM_BDTRInitStruct.BreakPolarity = LL_TIM_BREAK_POLARITY_HIGH;
TIM_BDTRInitStruct.AutomaticOutput = LL_TIM_AUTOMATICOUTPUT_DISABLE;
LL_TIM_BDTR_Init(TIM1, &TIM_BDTRInitStruct);
/* USER CODE BEGIN TIM1_Init 2 */
/* USER CODE END TIM1_Init 2 */
}
/* TIM2 init function */
void MX_TIM2_Init(void)
{

1
Core/Src/usart.c
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@ -73,6 +73,5 @@ void MX_USART1_UART_Init(void)
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

2
Makefile
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@ -1,5 +1,5 @@
##########################################################################################################################
# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Sun Mar 12 14:42:27 CET 2023]
# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Sun Mar 12 21:45:54 CET 2023]
##########################################################################################################################
# ------------------------------------------------

13
Middlewares/Third_Party/FreeRTOS/Source/tasks.c vendored
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@ -53,8 +53,7 @@ functions but without including stdio.h here. */
to generate human readable text from the raw data generated by the
uxTaskGetSystemState() function. Note the formatting functions are provided
for convenience only, and are NOT considered part of the kernel. */
//#include <stdio.h>
#include "snprintf.h"
#include <stdio.h>
#endif /* configUSE_STATS_FORMATTING_FUNCTIONS == 1 ) */
#if( configUSE_PREEMPTION == 0 )
@ -4230,7 +4229,7 @@ TCB_t *pxTCB;
pcWriteBuffer = prvWriteNameToBuffer( pcWriteBuffer, pxTaskStatusArray[ x ].pcTaskName );
/* Write the rest of the string. */
SPRINTF( pcWriteBuffer, "\t%c\t%u\t%u\t%u\r\n", cStatus, ( unsigned int ) pxTaskStatusArray[ x ].uxCurrentPriority, ( unsigned int ) pxTaskStatusArray[ x ].usStackHighWaterMark, ( unsigned int ) pxTaskStatusArray[ x ].xTaskNumber );
sprintf( pcWriteBuffer, "\t%c\t%u\t%u\t%u\r\n", cStatus, ( unsigned int ) pxTaskStatusArray[ x ].uxCurrentPriority, ( unsigned int ) pxTaskStatusArray[ x ].usStackHighWaterMark, ( unsigned int ) pxTaskStatusArray[ x ].xTaskNumber );
pcWriteBuffer += strlen( pcWriteBuffer );
}
@ -4326,13 +4325,13 @@ TCB_t *pxTCB;
{
#ifdef portLU_PRINTF_SPECIFIER_REQUIRED
{
SPRINTF( pcWriteBuffer, "\t%lu\t\t%lu%%\r\n", pxTaskStatusArray[ x ].ulRunTimeCounter, ulStatsAsPercentage );
sprintf( pcWriteBuffer, "\t%lu\t\t%lu%%\r\n", pxTaskStatusArray[ x ].ulRunTimeCounter, ulStatsAsPercentage );
}
#else
{
/* sizeof( int ) == sizeof( long ) so a smaller
printf() library can be used. */
SPRINTF( pcWriteBuffer, "\t%u\t\t%u%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter, ( unsigned int ) ulStatsAsPercentage );
sprintf( pcWriteBuffer, "\t%u\t\t%u%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter, ( unsigned int ) ulStatsAsPercentage );
}
#endif
}
@ -4342,13 +4341,13 @@ TCB_t *pxTCB;
consumed less than 1% of the total run time. */
#ifdef portLU_PRINTF_SPECIFIER_REQUIRED
{
SPRINTF( pcWriteBuffer, "\t%lu\t\t<1%%\r\n", pxTaskStatusArray[ x ].ulRunTimeCounter );
sprintf( pcWriteBuffer, "\t%lu\t\t<1%%\r\n", pxTaskStatusArray[ x ].ulRunTimeCounter );
}
#else
{
/* sizeof( int ) == sizeof( long ) so a smaller
printf() library can be used. */
SPRINTF( pcWriteBuffer, "\t%u\t\t<1%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter );
sprintf( pcWriteBuffer, "\t%u\t\t<1%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter );
}
#endif
}

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