112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
#ifndef USBDATAHANDLER_H
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#define USBDATAHANDLER_H
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#include "stdbool.h"
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#include "stdint.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @struct UsbDataPacketHead
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* @brief This structure represents the header of a USB data packet.
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*
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* The header includes the length and type of the packet, as well as a check byte.
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* The structure is packed to ensure that the memory layout is exactly as defined,
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* without any padding bytes.
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*/
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typedef struct {
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uint16_t length; // Length of the USB data packet
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uint16_t type; // Type of the USB data packet(used to parse the message content).
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uint8_t check; // Check byte of the USB data packet.
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} __attribute__((packed)) UsbDataPacketHead;
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#define MAX_PACKET_SIZE 512 - sizeof(UsbDataPacketHead) // Define your maximum packet size
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/**
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* @struct UsbDataPacket
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* @brief This structure represents a USB data packet.
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*
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* The packet includes a header and a data array. The structure is packed to ensure
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* that the memory layout is exactly as defined, without any padding bytes.
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*
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* @var UsbDataPacket::head
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*
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*
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* @var UsbDataPacket::data
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*
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*/
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typedef struct {
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UsbDataPacketHead head; // Header of the USB data packet.
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uint8_t data[MAX_PACKET_SIZE]; // Data of the USB data packet.
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} __attribute__((packed)) UsbDataPacket;
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/**
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* @brief Calculate the chekcsum of the header of a USB data packet.
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*
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* @param p Pointer to the USB data packet.
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* @return Sum of the header of the USB data packet.
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*/
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uint8_t UsbDataPacket_head_sum(const UsbDataPacket* p);
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/**
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* @brief Check the header of a USB data packet.
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*
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* @param p Pointer to the USB data packet.
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* @return True if the header is valid, false otherwise.
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*/
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bool UsbDataPacket_head_check(const UsbDataPacket* p);
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/**
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* @brief This function starts the USB data handler.
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*
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* It initializes any necessary hardware or software resources
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* and prepares the data handler to process USB data.
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*
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* @return void
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*/
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void UsbDataHandler_Start();
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/**
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* @brief This function runs the USB data handler.
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*
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* It processes any pending USB data and performs any necessary
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* tasks related to USB data handling. It should be called
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* periodically in the main loop of your program.
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*
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* @return void
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*/
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void UsbDataHandler_Runner();
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/**
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* @brief This function is a callback that is invoked when USB data is received.
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*
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* It processes the received data and performs any necessary tasks.
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*
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* @param Buf A pointer to the buffer that contains the received data.
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* @param Len The length of the received data, in bytes.
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*
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* @return int Returns 0 on success, or a non-zero error code on failure.
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*/
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int UsbDataHandler_RxCallback(uint8_t* Buf, uint32_t Len);
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void DataClbk_FirmwareStart(void* msg, uint32_t length);
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void DataClbk_FirmwarePackage(void* msg, uint32_t length);
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void DataClbk_FirmwarePackageAck(void* msg, uint32_t length);
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void DataClbk_FirmwareDone(void* msg, uint32_t length);
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void DataClbk_ResponseDeviceList(void* msg, uint32_t length);
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void DataClbk_RequestDeviceList(void* msg, uint32_t length);
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#include "firmware.pb.h"
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void USBDataResonse(void * msg, const pb_msgdesc_t *fields, UsbPackageType typeid);
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#ifdef __cplusplus
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}
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#endif
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#endif /* USBDATAHANDLER_H */ |