update

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "*.hpp": "cpp",
+        "compare": "cpp"
+    }
+}

app/.mxproject

@@ -7,35 +7,37 @@ HeaderPath=..\Drivers\STM32F1xx_HAL_Driver\Inc;..\Drivers\STM32F1xx_HAL_Driver\I
 CDefines=USE_HAL_DRIVER;STM32F103xB;USE_HAL_DRIVER;USE_HAL_DRIVER;
 
 [PreviousUsedKeilFiles]
-SourceFiles=..\Core\Src\main.c;..\Core\Src\gpio.c;..\Core\Src\can.c;..\Core\Src\iwdg.c;..\Core\Src\spi.c;..\Core\Src\tim.c;..\Core\Src\usart.c;..\Core\Src\stm32f1xx_it.c;..\Core\Src\stm32f1xx_hal_msp.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_can.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_dma.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_cortex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_pwr.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_exti.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_iwdg.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_spi.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_uart.c;..\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\system_stm32f1xx.c;..\Core\Src\system_stm32f1xx.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_can.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_dma.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_cortex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_pwr.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_exti.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_iwdg.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_spi.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_uart.c;..\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\system_stm32f1xx.c;..\Core\Src\system_stm32f1xx.c;;;
+SourceFiles=..\Core\Src\main.c;..\Core\Src\gpio.c;..\Core\Src\can.c;..\Core\Src\dma.c;..\Core\Src\iwdg.c;..\Core\Src\spi.c;..\Core\Src\tim.c;..\Core\Src\usart.c;..\Core\Src\stm32f1xx_it.c;..\Core\Src\stm32f1xx_hal_msp.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_can.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_dma.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_cortex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_pwr.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_exti.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_iwdg.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_spi.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_uart.c;..\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\system_stm32f1xx.c;..\Core\Src\system_stm32f1xx.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_can.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_rcc_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_gpio.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_dma.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_cortex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_pwr.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_flash_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_exti.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_iwdg.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_spi.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_tim_ex.c;..\Drivers\STM32F1xx_HAL_Driver\Src\stm32f1xx_hal_uart.c;..\Drivers\CMSIS\Device\ST\STM32F1xx\Source\Templates\system_stm32f1xx.c;..\Core\Src\system_stm32f1xx.c;;;
 HeaderPath=..\Drivers\STM32F1xx_HAL_Driver\Inc;..\Drivers\STM32F1xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32F1xx\Include;..\Drivers\CMSIS\Include;..\Core\Inc;
 CDefines=USE_HAL_DRIVER;STM32F103xB;USE_HAL_DRIVER;USE_HAL_DRIVER;
 
 [PreviousGenFiles]
 AdvancedFolderStructure=true
-HeaderFileListSize=9
+HeaderFileListSize=10
 HeaderFiles#0=..\Core\Inc\gpio.h
 HeaderFiles#1=..\Core\Inc\can.h
-HeaderFiles#2=..\Core\Inc\iwdg.h
-HeaderFiles#3=..\Core\Inc\spi.h
-HeaderFiles#4=..\Core\Inc\tim.h
-HeaderFiles#5=..\Core\Inc\usart.h
-HeaderFiles#6=..\Core\Inc\stm32f1xx_it.h
-HeaderFiles#7=..\Core\Inc\stm32f1xx_hal_conf.h
-HeaderFiles#8=..\Core\Inc\main.h
+HeaderFiles#2=..\Core\Inc\dma.h
+HeaderFiles#3=..\Core\Inc\iwdg.h
+HeaderFiles#4=..\Core\Inc\spi.h
+HeaderFiles#5=..\Core\Inc\tim.h
+HeaderFiles#6=..\Core\Inc\usart.h
+HeaderFiles#7=..\Core\Inc\stm32f1xx_it.h
+HeaderFiles#8=..\Core\Inc\stm32f1xx_hal_conf.h
+HeaderFiles#9=..\Core\Inc\main.h
 HeaderFolderListSize=1
 HeaderPath#0=..\Core\Inc
 HeaderFiles=;
-SourceFileListSize=9
+SourceFileListSize=10
 SourceFiles#0=..\Core\Src\gpio.c
 SourceFiles#1=..\Core\Src\can.c
-SourceFiles#2=..\Core\Src\iwdg.c
-SourceFiles#3=..\Core\Src\spi.c
-SourceFiles#4=..\Core\Src\tim.c
-SourceFiles#5=..\Core\Src\usart.c
-SourceFiles#6=..\Core\Src\stm32f1xx_it.c
-SourceFiles#7=..\Core\Src\stm32f1xx_hal_msp.c
-SourceFiles#8=..\Core\Src\main.c
+SourceFiles#2=..\Core\Src\dma.c
+SourceFiles#3=..\Core\Src\iwdg.c
+SourceFiles#4=..\Core\Src\spi.c
+SourceFiles#5=..\Core\Src\tim.c
+SourceFiles#6=..\Core\Src\usart.c
+SourceFiles#7=..\Core\Src\stm32f1xx_it.c
+SourceFiles#8=..\Core\Src\stm32f1xx_hal_msp.c
+SourceFiles#9=..\Core\Src\main.c
 SourceFolderListSize=1
 SourcePath#0=..\Core\Src
 SourceFiles=;

app/Core/Inc/dma.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    dma.h
+  * @brief   This file contains all the function prototypes for
+  *          the dma.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __DMA_H__
+#define __DMA_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* DMA memory to memory transfer handles -------------------------------------*/
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_DMA_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DMA_H__ */
+

app/Core/Inc/stm32f1xx_hal_conf.h

@@ -42,7 +42,7 @@
 /*#define HAL_CORTEX_MODULE_ENABLED   */
 /*#define HAL_CRC_MODULE_ENABLED   */
 /*#define HAL_DAC_MODULE_ENABLED   */
-/*#define HAL_DMA_MODULE_ENABLED   */
+#define HAL_DMA_MODULE_ENABLED
 /*#define HAL_ETH_MODULE_ENABLED   */
 /*#define HAL_FLASH_MODULE_ENABLED   */
 #define HAL_GPIO_MODULE_ENABLED

app/Core/Inc/stm32f1xx_it.h

@@ -55,6 +55,8 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void DMA1_Channel4_IRQHandler(void);
+void DMA1_Channel5_IRQHandler(void);
 void USB_HP_CAN1_TX_IRQHandler(void);
 void USB_LP_CAN1_RX0_IRQHandler(void);
 void CAN1_RX1_IRQHandler(void);

app/Core/Src/dma.c

@@ -0,0 +1,58 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    dma.c
+  * @brief   This file provides code for the configuration
+  *          of all the requested memory to memory DMA transfers.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "dma.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/*----------------------------------------------------------------------------*/
+/* Configure DMA                                                              */
+/*----------------------------------------------------------------------------*/
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/**
+  * Enable DMA controller clock
+  */
+void MX_DMA_Init(void)
+{
+
+  /* DMA controller clock enable */
+  __HAL_RCC_DMA1_CLK_ENABLE();
+
+  /* DMA interrupt init */
+  /* DMA1_Channel4_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Channel4_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Channel4_IRQn);
+  /* DMA1_Channel5_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Channel5_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Channel5_IRQn);
+
+}
+
+/* USER CODE BEGIN 2 */
+
+/* USER CODE END 2 */
+

app/Core/Src/main.c

@@ -19,6 +19,7 @@
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
 #include "can.h"
+#include "dma.h"
 #include "iwdg.h"
 #include "spi.h"
 #include "tim.h"
@@ -89,7 +90,8 @@ int main(void)
 
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
-  // MX_IWDG_Init();
+  MX_DMA_Init();
+  MX_IWDG_Init();
   MX_USART2_UART_Init();
   MX_TIM4_Init();
   MX_CAN_Init();

app/Core/Src/spi.c

@@ -26,6 +26,8 @@
 
 SPI_HandleTypeDef hspi1;
 SPI_HandleTypeDef hspi2;
+DMA_HandleTypeDef hdma_spi2_tx;
+DMA_HandleTypeDef hdma_spi2_rx;
 
 /* SPI1 init function */
 void MX_SPI1_Init(void)
@@ -77,7 +79,7 @@ void MX_SPI2_Init(void)
   hspi2.Init.CLKPolarity = SPI_POLARITY_HIGH;
   hspi2.Init.CLKPhase = SPI_PHASE_2EDGE;
   hspi2.Init.NSS = SPI_NSS_SOFT;
-  hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
+  hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
   hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
   hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
   hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
@@ -148,6 +150,39 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
+    /* SPI2 DMA Init */
+    /* SPI2_TX Init */
+    hdma_spi2_tx.Instance = DMA1_Channel5;
+    hdma_spi2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
+    hdma_spi2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_spi2_tx.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_spi2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+    hdma_spi2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+    hdma_spi2_tx.Init.Mode = DMA_NORMAL;
+    hdma_spi2_tx.Init.Priority = DMA_PRIORITY_LOW;
+    if (HAL_DMA_Init(&hdma_spi2_tx) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(spiHandle,hdmatx,hdma_spi2_tx);
+
+    /* SPI2_RX Init */
+    hdma_spi2_rx.Instance = DMA1_Channel4;
+    hdma_spi2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_spi2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_spi2_rx.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_spi2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+    hdma_spi2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+    hdma_spi2_rx.Init.Mode = DMA_NORMAL;
+    hdma_spi2_rx.Init.Priority = DMA_PRIORITY_LOW;
+    if (HAL_DMA_Init(&hdma_spi2_rx) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(spiHandle,hdmarx,hdma_spi2_rx);
+
   /* USER CODE BEGIN SPI2_MspInit 1 */
 
   /* USER CODE END SPI2_MspInit 1 */
@@ -191,6 +226,9 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
     */
     HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15);
 
+    /* SPI2 DMA DeInit */
+    HAL_DMA_DeInit(spiHandle->hdmatx);
+    HAL_DMA_DeInit(spiHandle->hdmarx);
   /* USER CODE BEGIN SPI2_MspDeInit 1 */
 
   /* USER CODE END SPI2_MspDeInit 1 */

app/Core/Src/stm32f1xx_it.c

@@ -56,6 +56,8 @@
 
 /* External variables --------------------------------------------------------*/
 extern CAN_HandleTypeDef hcan;
+extern DMA_HandleTypeDef hdma_spi2_tx;
+extern DMA_HandleTypeDef hdma_spi2_rx;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -199,6 +201,34 @@ void SysTick_Handler(void)
 /******************************************************************************/
 
 /**
+  * @brief This function handles DMA1 channel4 global interrupt.
+  */
+void DMA1_Channel4_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Channel4_IRQn 0 */
+
+  /* USER CODE END DMA1_Channel4_IRQn 0 */
+  HAL_DMA_IRQHandler(&hdma_spi2_rx);
+  /* USER CODE BEGIN DMA1_Channel4_IRQn 1 */
+
+  /* USER CODE END DMA1_Channel4_IRQn 1 */
+}
+
+/**
+  * @brief This function handles DMA1 channel5 global interrupt.
+  */
+void DMA1_Channel5_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Channel5_IRQn 0 */
+
+  /* USER CODE END DMA1_Channel5_IRQn 0 */
+  HAL_DMA_IRQHandler(&hdma_spi2_tx);
+  /* USER CODE BEGIN DMA1_Channel5_IRQn 1 */
+
+  /* USER CODE END DMA1_Channel5_IRQn 1 */
+}
+
+/**
   * @brief This function handles USB high priority or CAN TX interrupts.
   */
 void USB_HP_CAN1_TX_IRQHandler(void)

app/MDK-ARM/app.uvprojx

@@ -314,7 +314,7 @@
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
-            <Optim>1</Optim>
+            <Optim>2</Optim>
             <oTime>0</oTime>
             <SplitLS>0</SplitLS>
             <OneElfS>1</OneElfS>
@@ -461,6 +461,62 @@
               </FileOption>
             </File>
             <File>
+              <FileName>dma.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>../Core/Src/dma.c</FilePath>
+              <FileOption>
+                <CommonProperty>
+                  <UseCPPCompiler>2</UseCPPCompiler>
+                  <RVCTCodeConst>0</RVCTCodeConst>
+                  <RVCTZI>0</RVCTZI>
+                  <RVCTOtherData>0</RVCTOtherData>
+                  <ModuleSelection>0</ModuleSelection>
+                  <IncludeInBuild>1</IncludeInBuild>
+                  <AlwaysBuild>2</AlwaysBuild>
+                  <GenerateAssemblyFile>2</GenerateAssemblyFile>
+                  <AssembleAssemblyFile>2</AssembleAssemblyFile>
+                  <PublicsOnly>2</PublicsOnly>
+                  <StopOnExitCode>11</StopOnExitCode>
+                  <CustomArgument></CustomArgument>
+                  <IncludeLibraryModules></IncludeLibraryModules>
+                  <ComprImg>1</ComprImg>
+                </CommonProperty>
+                <FileArmAds>
+                  <Cads>
+                    <interw>2</interw>
+                    <Optim>0</Optim>
+                    <oTime>2</oTime>
+                    <SplitLS>2</SplitLS>
+                    <OneElfS>2</OneElfS>
+                    <Strict>2</Strict>
+                    <EnumInt>2</EnumInt>
+                    <PlainCh>2</PlainCh>
+                    <Ropi>2</Ropi>
+                    <Rwpi>2</Rwpi>
+                    <wLevel>0</wLevel>
+                    <uThumb>2</uThumb>
+                    <uSurpInc>2</uSurpInc>
+                    <uC99>2</uC99>
+                    <uGnu>2</uGnu>
+                    <useXO>2</useXO>
+                    <v6Lang>0</v6Lang>
+                    <v6LangP>0</v6LangP>
+                    <vShortEn>2</vShortEn>
+                    <vShortWch>2</vShortWch>
+                    <v6Lto>2</v6Lto>
+                    <v6WtE>2</v6WtE>
+                    <v6Rtti>2</v6Rtti>
+                    <VariousControls>
+                      <MiscControls></MiscControls>
+                      <Define></Define>
+                      <Undefine></Undefine>
+                      <IncludePath></IncludePath>
+                    </VariousControls>
+                  </Cads>
+                </FileArmAds>
+              </FileOption>
+            </File>
+            <File>
               <FileName>iwdg.c</FileName>
               <FileType>1</FileType>
               <FilePath>../Core/Src/iwdg.c</FilePath>

app/app.ioc

@@ -14,6 +14,27 @@ CAN.Prescaler=4
 CAN.RFLM=ENABLE
 CAN.SJW=CAN_SJW_3TQ
 CAN.TTCM=ENABLE
+Dma.Request0=SPI2_TX
+Dma.Request1=SPI2_RX
+Dma.RequestsNb=2
+Dma.SPI2_RX.1.Direction=DMA_PERIPH_TO_MEMORY
+Dma.SPI2_RX.1.Instance=DMA1_Channel4
+Dma.SPI2_RX.1.MemDataAlignment=DMA_MDATAALIGN_BYTE
+Dma.SPI2_RX.1.MemInc=DMA_MINC_ENABLE
+Dma.SPI2_RX.1.Mode=DMA_NORMAL
+Dma.SPI2_RX.1.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
+Dma.SPI2_RX.1.PeriphInc=DMA_PINC_DISABLE
+Dma.SPI2_RX.1.Priority=DMA_PRIORITY_LOW
+Dma.SPI2_RX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority
+Dma.SPI2_TX.0.Direction=DMA_MEMORY_TO_PERIPH
+Dma.SPI2_TX.0.Instance=DMA1_Channel5
+Dma.SPI2_TX.0.MemDataAlignment=DMA_MDATAALIGN_BYTE
+Dma.SPI2_TX.0.MemInc=DMA_MINC_ENABLE
+Dma.SPI2_TX.0.Mode=DMA_NORMAL
+Dma.SPI2_TX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
+Dma.SPI2_TX.0.PeriphInc=DMA_PINC_DISABLE
+Dma.SPI2_TX.0.Priority=DMA_PRIORITY_LOW
+Dma.SPI2_TX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority
 File.Version=6
 GPIO.groupedBy=Group By Peripherals
 IWDG.IPParameters=Prescaler
@@ -22,17 +43,18 @@ KeepUserPlacement=false
 Mcu.CPN=STM32F103C8T6
 Mcu.Family=STM32F1
 Mcu.IP0=CAN
-Mcu.IP1=IWDG
-Mcu.IP10=USART3
-Mcu.IP2=NVIC
-Mcu.IP3=RCC
-Mcu.IP4=SPI1
-Mcu.IP5=SPI2
-Mcu.IP6=SYS
-Mcu.IP7=TIM4
-Mcu.IP8=USART1
-Mcu.IP9=USART2
-Mcu.IPNb=11
+Mcu.IP1=DMA
+Mcu.IP10=USART2
+Mcu.IP11=USART3
+Mcu.IP2=IWDG
+Mcu.IP3=NVIC
+Mcu.IP4=RCC
+Mcu.IP5=SPI1
+Mcu.IP6=SPI2
+Mcu.IP7=SYS
+Mcu.IP8=TIM4
+Mcu.IP9=USART1
+Mcu.IPNb=12
 Mcu.Name=STM32F103C(8-B)Tx
 Mcu.Package=LQFP48
 Mcu.Pin0=PA2
@@ -63,6 +85,8 @@ MxDb.Version=DB.6.0.70
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.CAN1_RX1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
 NVIC.CAN1_SCE_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
+NVIC.DMA1_Channel4_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true
+NVIC.DMA1_Channel5_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
@@ -137,7 +161,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=MDK-ARM V5.32
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_IWDG_Init-IWDG-false-HAL-true,4-MX_USART2_UART_Init-USART2-false-HAL-true,5-MX_TIM4_Init-TIM4-false-HAL-true,6-MX_CAN_Init-CAN-false-HAL-true,7-MX_SPI1_Init-SPI1-false-HAL-true,8-MX_USART1_UART_Init-USART1-false-HAL-true,9-MX_USART3_UART_Init-USART3-false-HAL-true
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_IWDG_Init-IWDG-false-HAL-true,5-MX_USART2_UART_Init-USART2-false-HAL-true,6-MX_TIM4_Init-TIM4-false-HAL-true,7-MX_CAN_Init-CAN-false-HAL-true,8-MX_SPI1_Init-SPI1-false-HAL-true,9-MX_USART1_UART_Init-USART1-false-HAL-true,10-MX_USART3_UART_Init-USART3-false-HAL-true,11-MX_SPI2_Init-SPI2-false-HAL-true
 RCC.ADCFreqValue=32000000
 RCC.AHBFreq_Value=64000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2
@@ -165,10 +189,10 @@ SPI1.Direction=SPI_DIRECTION_2LINES
 SPI1.IPParameters=VirtualType,Mode,Direction,BaudRatePrescaler,CalculateBaudRate,CLKPolarity,CLKPhase
 SPI1.Mode=SPI_MODE_MASTER
 SPI1.VirtualType=VM_MASTER
-SPI2.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_32
+SPI2.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_8
 SPI2.CLKPhase=SPI_PHASE_2EDGE
 SPI2.CLKPolarity=SPI_POLARITY_HIGH
-SPI2.CalculateBaudRate=1000.0 KBits/s
+SPI2.CalculateBaudRate=4.0 MBits/s
 SPI2.Direction=SPI_DIRECTION_2LINES
 SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,BaudRatePrescaler,CLKPolarity,CLKPhase
 SPI2.Mode=SPI_MODE_MASTER

dep/libiflytop_micro

@@ -1 +1 @@
-Subproject commit 2fded7932e162857e91605ea7cfcba7a003779d6
+Subproject commit 5341f397ab425fe65386027cc8469eb508825649

src/umain.cpp

@@ -73,36 +73,16 @@ void Main::main(int argc, char const *argv[]) {
   HAL_Delay(1000);
   m_ad77681.initialize("ad77681", &m_hardware, &hspi2, &PB12, ADC_default_init_param);
 
-#if 1
+#if 0
   double voltage;
 
   static int32_t voicebuf[16 * 100];
   int            off = 0;
   while (1) {
-    uint8_t adc_data[6]  = {0};
-    uint8_t adc_data2[6] = {0};
-    m_ad77681.spi_read_adc_data(adc_data, AD77681_REGISTER_DATA_READ);
-    // m_ad77681.data_to_voltage((uint32_t *)adc_data, &voltage);
-    // printf(": 0x");
-    // for (int i = 0; i < 4; i++) {
-    //   printf("%02x", adc_data[i]);
-    // }
-    // printf("\r\n");
-    adc_data2[0] = adc_data[3];
-    adc_data2[1] = adc_data[2];
-    adc_data2[2] = adc_data[1];
-    adc_data2[3] = adc_data[0];
-
-    voicebuf[off++] = *(int32_t *)adc_data2;
+    voicebuf[off++] = m_ad77681.read_adc();
     if (off >= 16 * 100) {
       break;
     }
-
-    // printf("{plotter}%d\n", *(int32_t *)adc_data);
-    // printf("{plotter}%d\n", *(int32_t *)adc_data2);
-    // (1);
-    m_hardware.sleepus(100);
-    // HAL_IWDG_Refresh(&hiwdg);
   }
   for (size_t i = 0; i < off; i++) {
     printf("{plotter}%d\n", voicebuf[i]);