37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
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#ifndef DEVICE_APP_SPI_COMMAND_DEFS_H
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#define DEVICE_APP_SPI_COMMAND_DEFS_H
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#include <cstdint>
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/**
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* @file app_spi_command_defs.h
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* @brief SPI 命令总线公共协议常量。
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*
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* 将原来散落在 `app_spi_command.cpp` 中的帧类型与响应类型抽到公共头文件，
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* 方便后续在不同命令处理器之间复用；当前仅服务于 APP 运行期 SPI 命令通道，
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* 未来若 BOOT 与 APP 需要继续共享协议常量，也可从这里统一收敛。
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*/
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namespace SpiDefs {
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static constexpr uint8_t kSof = 0xA5U;
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/* 帧类型 */
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static constexpr uint8_t kTypeOtaReq = 0x01U;
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static constexpr uint8_t kTypeOtaData = 0x02U;
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static constexpr uint8_t kTypeOtaCancel = 0x03U;
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static constexpr uint8_t kTypeAppPing = 0xA1U;
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static constexpr uint8_t kTypeBootReq = 0xB0U;
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static constexpr uint8_t kTypeCanSend = 0xC0U;
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/* 响应类型 */
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static constexpr uint8_t kRspAck = 0x80U;
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static constexpr uint8_t kRspWait = 0x81U;
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static constexpr uint8_t kRspError = 0x82U;
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static constexpr uint16_t kFrameOverhead = 5U;
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} // namespace SpiDefs
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#endif /* DEVICE_APP_SPI_COMMAND_DEFS_H */
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