feat: 新增IAP功能(Ymodem+Flash编程+跳转)

2026-04-26 23:30:59 +08:00
parent f3a5db74be
commit 91513224f3
3 changed files with 527 additions and 0 deletions
@@ -0,0 +1,56 @@
+#ifndef __IAP_H__
+#define __IAP_H__
+
+#include <cstdint>
+#include "common_types.h"
+
+class UartBus;
+
+#define IAP_APP_BASE_ADDR       0x08010000U
+#define IAP_BOOTLOADER_SIZE     (64U * 1024U)
+#define IAP_FIRMWARE_MAX_SIZE   (1024U * 1024U - IAP_BOOTLOADER_SIZE)
+#define IAP_BUFFER_SIZE         (1024U * 1024U)
+
+class Iap {
+public:
+    static Iap &instance();
+
+    RetCode init();
+
+    RetCode receiveFirmware(UartBus &uart, uint32_t timeout_ms = 120000);
+
+    RetCode programFirmware(uint32_t flash_addr);
+
+    RetCode verifyFirmware(uint32_t flash_addr);
+
+    __attribute__((noreturn)) void jumpToApp(uint32_t app_addr);
+
+    static bool isValidApp(uint32_t app_addr);
+
+    static void bootFlagWrite(uint32_t magic);
+    static uint32_t bootFlagRead(void);
+
+    uint32_t firmwareSize() const { return firmware_size_; }
+    const char *firmwareName() const { return firmware_name_; }
+
+private:
+    Iap();
+    ~Iap() = default;
+    Iap(const Iap &) = delete;
+    Iap &operator=(const Iap &) = delete;
+
+    static RetCode backupDomainEnable(void);
+
+    RetCode ymodemReceive(UartBus &uart, uint32_t timeout_ms);
+    int ymodemReadPacket(UartBus &uart, uint8_t *buf, uint32_t timeout_ms);
+    void ymodemSend(UartBus &uart, uint8_t b);
+    int ymodemRead(UartBus &uart, uint32_t timeout_ms);
+
+    static uint16_t crc16(const uint8_t *data, uint32_t len);
+
+    bool initialized_;
+    uint32_t firmware_size_;
+    char firmware_name_[32];
+};
+
+#endif