Create microsecond timer

devices/board_config_common.h

@@ -129,6 +129,9 @@
 #ifndef NUM_VBAT_DESKTOP_FILE
 #define NUM_VBAT_DESKTOP_FILE 0
 #endif  // NUM_VBAT_DESKTOP_FILE
+#ifndef NUM_MHZ_TIMER
+#define NUM MHZ_TIMER 0
+#endif  // NUM_MHZ_TIMER
 
 /* Accelerometer */
 

devices/timer_microsecond.c

@@ -0,0 +1,42 @@
+/*
+ * timer_microsecond.c
+ *
+ *  Created on: Mar 21, 2023
+ *      Author: matth
+ */
+
+#include <board_config.h>
+#include HAL_HEADER
+#include "hal_callbacks.h"
+#include "timer_microsecond.h"
+
+#define MICROS_PER_MILLI 1000
+
+static void timerMicrosecond_callback(void *pData) {
+  TimerMicrosecondCtrl_s *ctrl = (TimerMicrosecondCtrl_s *)pData;
+  ctrl->offset += 3600000000;
+}
+
+void timerMicrosecond_init(TimerMicrosecondCtrl_s *ctrl) {
+  // TODO so I have by default configured the IOC to count up at 1MHz, and
+  // overrun every 1 hour
+  ctrl->pTimer->Init.Prescaler = 240 - 1;
+  ctrl->pTimer->Init.Period = 3600000000;
+
+  ctrl->offset = 0;
+
+  // Ensure prescaler and period are set
+  TIM_Base_SetConfig(ctrl->pTimer->Instance, &(ctrl->pTimer->Init));
+
+  halCallbacks_registerTimPeriodElapsedCallback(
+      ctrl->pTimer, timerMicrosecond_callback, ctrl);
+  HAL_TIM_Base_Start_IT(ctrl->pTimer);
+}
+
+uint64_t timerMicrosecond_getTimestampMicros(TimerMicrosecondCtrl_s *ctrl) {
+  return ctrl->pTimer->Instance->CNT + ctrl->offset;
+}
+
+uint32_t timerMicrosecond_getTimestampMillis(TimerMicrosecondCtrl_s *ctrl) {
+  return timerMicrosecond_getTimestampMicros(ctrl) / MICROS_PER_MILLI;
+}

devices/timer_microsecond.h

@@ -0,0 +1,23 @@
+/*
+ * timer_microsecond.c
+ *
+ *  Created on: Mar 21, 2023
+ *      Author: matth
+ */
+
+#include <board_config.h>
+#include HAL_HEADER
+#include "hal_callbacks.h"
+
+#define MICROS_PER_MILLI 1000
+
+typedef struct {
+  TIM_HandleTypeDef *pTimer;
+  volatile uint64_t offset;
+} TimerMicrosecondCtrl_s;
+
+void timerMicrosecond_init(TimerMicrosecondCtrl_s *ctrl);
+
+uint64_t timerMicrosecond_getTimestampMicros(TimerMicrosecondCtrl_s *ctrl);
+
+uint32_t timerMicrosecond_getTimestampMillis(TimerMicrosecondCtrl_s *ctrl);

fcb_v0/Core/Inc/adc.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Inc/board_config.h

@@ -52,6 +52,8 @@
 #define RADIO_CLI_ID 0
 #define USB_CLI_ID 0
 
+#define NUM_MHZ_TIMER 1
+
 #define RADIO_TI_TYPE RADIO_TI_TYPE_CC1120
 
 #endif  // FCB_V0_CORE_INC_BOARD_CONFIG_H_

fcb_v0/Core/Inc/dma.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Inc/gpio.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Inc/i2c.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Inc/iwdg.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Inc/rtc.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Inc/spi.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Inc/stm32h7xx_it.h

@@ -66,6 +66,7 @@ void DMA1_Stream6_IRQHandler(void);
 void TIM2_IRQHandler(void);
 void SPI1_IRQHandler(void);
 void DMA1_Stream7_IRQHandler(void);
+void TIM5_IRQHandler(void);
 void SPI3_IRQHandler(void);
 void UART5_IRQHandler(void);
 void OTG_FS_IRQHandler(void);

fcb_v0/Core/Inc/tim.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license
@@ -33,6 +33,7 @@ extern "C" {
 
 extern TIM_HandleTypeDef htim1;
 extern TIM_HandleTypeDef htim2;
+extern TIM_HandleTypeDef htim5;
 extern TIM_HandleTypeDef htim8;
 
 /* USER CODE BEGIN Private defines */
@@ -41,6 +42,7 @@ extern TIM_HandleTypeDef htim8;
 
 void MX_TIM1_Init(void);
 void MX_TIM2_Init(void);
+void MX_TIM5_Init(void);
 void MX_TIM8_Init(void);
 
 void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);

fcb_v0/Core/Inc/usart.h

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/adc.c

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/board_config.c

@@ -214,6 +214,10 @@ uint8_t vbatAdcCurrentRank[NUM_VBAT_ADC] = {1};
 I2C_HandleTypeDef* vbatIna226Hi2c[NUM_VBAT_INA226];
 #endif  // HAS_DEV(VBAT_INA226)
 
+#if HAS_DEV(MHZ_TIMER)
+TIM_HandleTypeDef timerMicrosecondHtim[NUM_MHZ_TIMER] = {&htim5};
+#endif  // HAS_DEV(MHZ_TIMER)
+
 /* Watchdogs */
 
 #if HAS_DEV(WATCHDOG_INTERNAL)

fcb_v0/Core/Src/dma.c

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/gpio.c

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/i2c.c

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/iwdg.c

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/rtc.c

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/spi.c

@@ -6,7 +6,7 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
+  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license

fcb_v0/Core/Src/stm32h7xx_it.c

@@ -67,6 +67,7 @@ extern DMA_HandleTypeDef hdma_spi3_rx;
 extern SPI_HandleTypeDef hspi1;
 extern SPI_HandleTypeDef hspi3;
 extern TIM_HandleTypeDef htim2;
+extern TIM_HandleTypeDef htim5;
 extern DMA_HandleTypeDef hdma_uart5_rx;
 extern UART_HandleTypeDef huart5;
 /* USER CODE BEGIN EV */
@@ -349,6 +350,20 @@ void DMA1_Stream7_IRQHandler(void)
   /* USER CODE END DMA1_Stream7_IRQn 1 */
 }
 
+/**
+  * @brief This function handles TIM5 global interrupt.
+  */
+void TIM5_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM5_IRQn 0 */
+
+  /* USER CODE END TIM5_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim5);
+  /* USER CODE BEGIN TIM5_IRQn 1 */
+
+  /* USER CODE END TIM5_IRQn 1 */
+}
+
 /**
   * @brief This function handles SPI3 global interrupt.
   */