embedded 相关问题

/** * @brief CAN Tx message structure definition */ typedef struct { uint32_t StdId; /*!< Specifies the standard identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */ uint32_t ExtId; /*!< Specifies the extended identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */ uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted. This parameter can be a value of @ref CAN_Identifier_Type */ uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted. This parameter can be a value of @ref CAN_remote_transmission_request */ uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted. This parameter must be a number between Min_Data = 0 and Max_Data = 8 */ uint8_t Data[8]; /*!< Contains the data to be transmitted. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */ }CanTxMsgTypeDef; /** * @brief CAN Rx message structure definition */ typedef struct { uint32_t StdId; /*!< Specifies the standard identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */ uint32_t ExtId; /*!< Specifies the extended identifier. This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */ uint32_t IDE; /*!< Specifies the type of identifier for the message that will be received. This parameter can be a value of @ref CAN_Identifier_Type */ uint32_t RTR; /*!< Specifies the type of frame for the received message. This parameter can be a value of @ref CAN_remote_transmission_request */ uint32_t DLC; /*!< Specifies the length of the frame that will be received. This parameter must be a number between Min_Data = 0 and Max_Data = 8 */ uint8_t Data[8]; /*!< Contains the data to be received. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */ uint32_t FMI; /*!< Specifies the index of the filter the message stored in the mailbox passes through. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */ uint32_t FIFONumber; /*!< Specifies the receive FIFO number. This parameter can be CAN_FIFO0 or CAN_FIFO1 */ }CanRxMsgTypeDef;

c embedded can-bus iar type-punning

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为什么我在Segger SystemView中选择J-Link时什么都不会发生？我想开始使用SystemView在STM32F767核板上追踪我的频率使用情况。当我单击绿色三角“开始录制”时，询问J-Link确认，然后

embedded freertos rtos segger-jlink system-views

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objcopy，是否有理由将-o二进制于-o？

尽管使用GNU工具研究嵌入式的ARM编程，但我发现了许多示例，例如此处或此处的构建脚本，其中objcopy被-s -o二进制示例，例如：无臂

binary embedded binutils objcopy

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将日志文件写入RW612板并在另一个设备上检索文件

//Homework 4 Seaver Olson #include "pin_mux.h" #include "clock_config.h" #include "board.h" #include "fsl_device_registers.h" #include "fsl_debug_console.h" float DEMO_MeasureTemperature(void); float DEMO_MeasureTemperature(void) { uint16_t tempRawValue = 0U; if (0UL == ((SENSOR_CTRL->MISC_CTRL_REG & SENSOR_CTRL_MISC_CTRL_REG_TIMER_1_ENABLE_MASK) >> SENSOR_CTRL_MISC_CTRL_REG_TIMER_1_ENABLE_SHIFT)) { SENSOR_CTRL->MISC_CTRL_REG |= SENSOR_CTRL_MISC_CTRL_REG_TIMER_1_ENABLE_MASK; } tempRawValue = (((SENSOR_CTRL->TSEN_CTRL_1_REG_2) & SENSOR_CTRL_TSEN_CTRL_1_REG_2_TSEN_TEMP_VALUE_MASK) >> SENSOR_CTRL_TSEN_CTRL_1_REG_2_TSEN_TEMP_VALUE_SHIFT); return (tempRawValue * 0.480561F - 220.7074F); } int main(void) { BOARD_InitBootPins(); BOARD_InitBootClocks(); BOARD_InitDebugConsole(); // 60 x 24 for (int i = 0; i < 5760; i++) { double temp = ((double)DEMO_MeasureTemperature()); PRINTF("%d: %.3f\n", i, temp); for (int j = 0; j < 30; j++){ SDK_DelayAtLeastUs(1000000, CLOCK_GetCoreSysClkFreq()); } } return 0; }

c embedded iot microcontroller nxp-microcontroller

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I'm原型使用包含

embedded stm32 sd-card spi

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在使用两个或多个模板下一个实现先前的模板时，如何防止类型促销我为嵌入式系统编写C ++日志记录实现。该想法是使用模板来声明消息ID（类型）并执行参数。有限制我要写的代码...

Log<LogMessageID>(arg1, arg2...);

c++ templates embedded integer-promotion c++-templates

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将嵌入式dll从EVC到VS2008原因，原因是找不到DLL

第一个设备正在运行Wince 5.0，并使用嵌入式视觉C ++ 4.0进行编译。第二个设备正在运行Windows Embedded Compact 7（为简单起见，我将其称为Wince 7），并使用VS2008编译。两种设备都有自己的SDK为董事会设计。

c++ memory dll embedded global-variables