Sync betaflight to Gitea

2026-08-03 16:37:10 +08:00
commit ad3163cf91
4712 changed files with 3301380 additions and 0 deletions
@@ -0,0 +1,146 @@
+/*
+ * Override of CubeN6's usbd_desc.c — Betaflight-branded USB descriptors.
+ *
+ * VID/PID kept as ST DfuSe defaults (0x0483/0xDF11) so dfu-util,
+ * STM32CubeProgrammer, and BF Configurator's existing DFU plumbing all
+ * work unchanged. Strings are Betaflight-branded so users see "Betaflight
+ * N6 OBL" on enumerate.
+ */
+
+#include <stdio.h>
+
+#include "usbd_core.h"
+#include "usbd_desc.h"
+#include "usbd_conf.h"
+
+/* DfuSe protocol default VID/PID. Standard tooling targets this pair. */
+#define USBD_VID                      0x0483
+#define USBD_PID                      0xDF11
+#define USBD_LANGID_STRING            1033
+
+#define USBD_MANUFACTURER_STRING      "Betaflight"
+#define USBD_PRODUCT_STRING           "Betaflight N6 DFU"
+#define USBD_CONFIGURATION_STRING     "BF N6 DFU Config"
+#define USBD_INTERFACE_STRING         "BF N6 DFU Interface"
+
+uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ];
+
+static void Get_SerialNum(void);
+
+uint8_t *USBD_DFU_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_DFU_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_DFU_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_DFU_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_DFU_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_DFU_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_DFU_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+
+USBD_DescriptorsTypeDef DFU_Desc =
+{
+    USBD_DFU_DeviceDescriptor,
+    USBD_DFU_LangIDStrDescriptor,
+    USBD_DFU_ManufacturerStrDescriptor,
+    USBD_DFU_ProductStrDescriptor,
+    USBD_DFU_SerialStrDescriptor,
+    USBD_DFU_ConfigStrDescriptor,
+    USBD_DFU_InterfaceStrDescriptor
+};
+
+__ALIGN_BEGIN uint8_t USBD_DFU_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
+{
+    0x12,
+    USB_DESC_TYPE_DEVICE,
+    0x10, 0x01,                  /* USB 1.10 — DfuSe convention */
+    0x00, 0x00, 0x00,
+    USB_MAX_EP0_SIZE,
+    LOBYTE(USBD_VID), HIBYTE(USBD_VID),
+    LOBYTE(USBD_PID), HIBYTE(USBD_PID),
+    0x00, 0x02,                  /* bcdDevice = 2.00 */
+    USBD_IDX_MFC_STR,
+    USBD_IDX_PRODUCT_STR,
+    USBD_IDX_SERIAL_STR,
+    USBD_MAX_NUM_CONFIGURATION
+};
+
+__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END =
+{
+    USB_LEN_LANGID_STR_DESC,
+    USB_DESC_TYPE_STRING,
+    LOBYTE(USBD_LANGID_STRING),
+    HIBYTE(USBD_LANGID_STRING)
+};
+
+__ALIGN_BEGIN uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] __ALIGN_END =
+{
+    USB_SIZ_STRING_SERIAL,
+    USB_DESC_TYPE_STRING,
+};
+
+uint8_t *USBD_DFU_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+    (void)speed;
+    *length = sizeof(USBD_DFU_DeviceDesc);
+    return USBD_DFU_DeviceDesc;
+}
+
+uint8_t *USBD_DFU_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+    (void)speed;
+    *length = sizeof(USBD_LangIDDesc);
+    return USBD_LangIDDesc;
+}
+
+uint8_t *USBD_DFU_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+    (void)speed;
+    USBD_GetString((uint8_t *)USBD_PRODUCT_STRING, USBD_StrDesc, length);
+    return USBD_StrDesc;
+}
+
+uint8_t *USBD_DFU_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+    (void)speed;
+    USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
+    return USBD_StrDesc;
+}
+
+uint8_t *USBD_DFU_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+    (void)speed;
+    *length = USB_SIZ_STRING_SERIAL;
+    Get_SerialNum();
+    return (uint8_t *)USBD_StringSerial;
+}
+
+uint8_t *USBD_DFU_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+    (void)speed;
+    USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING, USBD_StrDesc, length);
+    return USBD_StrDesc;
+}
+
+uint8_t *USBD_DFU_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+    (void)speed;
+    USBD_GetString((uint8_t *)USBD_INTERFACE_STRING, USBD_StrDesc, length);
+    return USBD_StrDesc;
+}
+
+static void Get_SerialNum(void)
+{
+    /* Read the device unique ID from the boot ROM-published location.
+     * DEVICE_ID1/2/3 are CMSIS macros pointing into system memory. */
+    unsigned long s0 = *(uint32_t *)DEVICE_ID1;
+    unsigned long s1 = *(uint32_t *)DEVICE_ID2;
+    unsigned long s2 = *(uint32_t *)DEVICE_ID3;
+    char serial_string[SIZ_STRING_SERIAL + 2U];
+
+    snprintf(serial_string, sizeof(serial_string), "%08lX%08lX%08lX", s0, s1, s2);
+
+    uint8_t idx = 2U;
+    const char *p = serial_string;
+    while (*p != '\0' && idx < (USB_SIZ_STRING_SERIAL - 1U)) {
+        USBD_StringSerial[idx++] = *p++;
+        USBD_StringSerial[idx++] = 0x00U;
+    }
+}