| #include "board.h" |
| #include "utils.h" |
| #include "usb/device/dfu/dfu.h" |
| #include "usb/common/dfu/usb_dfu.h" |
| #include "manifest.h" |
| |
| #define ALTIF_RAM 0 |
| #define ALTIF_FLASH 1 |
| |
| unsigned int g_unique_id[4]; |
| |
| /*---------------------------------------------------------------------------- |
| * Callbacks |
| *----------------------------------------------------------------------------*/ |
| |
| #define RAM_ADDR(offset) (IRAM_ADDR + BOARD_DFU_RAM_SIZE + offset) |
| #define FLASH_ADDR(offset) (IFLASH_ADDR + BOARD_DFU_BOOT_SIZE + offset) |
| |
| #define IFLASH_END ((uint8_t *)IFLASH_ADDR + IFLASH_SIZE) |
| #define IRAM_END ((uint8_t *)IRAM_ADDR + IRAM_SIZE) |
| |
| /* incoming call-back: Host has transfered 'len' bytes (stored at |
| * 'data'), which we shall write to 'offset' into the partition |
| * associated with 'altif'. Guaranted to be les than |
| * BOARD_DFU_PAGE_SIZE */ |
| int USBDFU_handle_dnload(uint8_t altif, unsigned int offset, |
| uint8_t *data, unsigned int len) |
| { |
| uint32_t addr; |
| int rc; |
| |
| printf("dnload(altif=%u, offset=%u, len=%u)\n\r", altif, offset, len); |
| |
| switch (altif) { |
| case ALTIF_RAM: |
| addr = RAM_ADDR(offset); |
| if (addr > IRAM_ADDR + IRAM_SIZE) { |
| g_dfu->state = DFU_STATE_dfuERROR; |
| g_dfu->status = DFU_STATUS_errADDRESS; |
| return DFU_RET_STALL; |
| } |
| memcpy((void *)addr, data, len); |
| return DFU_RET_ZLP; |
| case ALTIF_FLASH: |
| addr = FLASH_ADDR(offset); |
| if (addr > IFLASH_ADDR + IFLASH_SIZE) { |
| g_dfu->state = DFU_STATE_dfuERROR; |
| g_dfu->status = DFU_STATUS_errADDRESS; |
| return DFU_RET_STALL; |
| } |
| rc = FLASHD_Write(addr, data, len); |
| if (rc != 0) { |
| /* FIXME: set error codes */ |
| return DFU_RET_STALL; |
| } |
| return DFU_RET_ZLP; |
| default: |
| /* FIXME: set error codes */ |
| TRACE_ERROR("DFU download for unknown AltIf %d\n\r", altif); |
| return DFU_RET_STALL; |
| } |
| } |
| |
| /* incoming call-back: Host has requested to read back 'req_len' bytes |
| * starting from 'offset' of the firmware * associated with partition |
| * 'altif' */ |
| int USBDFU_handle_upload(uint8_t altif, unsigned int offset, |
| uint8_t *data, unsigned int req_len) |
| { |
| uint32_t addr; |
| |
| printf("upload(altif=%u, offset=%u, len=%u)", altif, offset, req_len); |
| |
| switch (altif) { |
| case ALTIF_RAM: |
| addr = RAM_ADDR(offset); |
| if (addr > IRAM_ADDR + IRAM_SIZE) { |
| g_dfu->state = DFU_STATE_dfuERROR; |
| g_dfu->status = DFU_STATUS_errADDRESS; |
| return -1; |
| } |
| if ((uint8_t *)addr + req_len > IRAM_END) |
| req_len = IRAM_END - (uint8_t *)addr; |
| memcpy(data, (void *)addr, req_len); |
| break; |
| case ALTIF_FLASH: |
| addr = FLASH_ADDR(offset); |
| if (addr > IFLASH_ADDR + IFLASH_SIZE) { |
| g_dfu->state = DFU_STATE_dfuERROR; |
| g_dfu->status = DFU_STATUS_errADDRESS; |
| return -1; |
| } |
| if ((uint8_t *)addr + req_len > IFLASH_END) |
| req_len = IFLASH_END - (uint8_t *)addr; |
| memcpy(data, (void *)addr, req_len); |
| break; |
| default: |
| TRACE_ERROR("DFU upload for unknown AltIf %d\n\r", altif); |
| /* FIXME: set error codes */ |
| return -1; |
| } |
| printf("=%u\n\r", req_len); |
| return req_len; |
| } |
| |
| static int uart_has_loopback_jumper(void) |
| { |
| unsigned int i; |
| const Pin uart_loopback_pins[] = { |
| {PIO_PA9A_URXD0, PIOA, ID_PIOA, PIO_INPUT, PIO_DEFAULT}, |
| {PIO_PA10A_UTXD0, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT} |
| }; |
| |
| /* Configure UART pins as I/O */ |
| PIO_Configure(uart_loopback_pins, PIO_LISTSIZE(uart_loopback_pins)); |
| |
| for (i = 0; i < 10; i++) { |
| /* Set TxD high; abort if RxD doesn't go high either */ |
| PIO_Set(&uart_loopback_pins[1]); |
| if (!PIO_Get(&uart_loopback_pins[0])) |
| return 0; |
| /* Set TxD low, abort if RxD doesn't go low either */ |
| PIO_Clear(&uart_loopback_pins[1]); |
| if (PIO_Get(&uart_loopback_pins[0])) |
| return 0; |
| } |
| /* if we reached here, RxD always follows TxD and thus a |
| * loopback jumper has been placed on RxD/TxD, and we will boot |
| * into DFU unconditionally */ |
| return 1; |
| } |
| |
| /* using this function we can determine if we should enter DFU mode |
| * during boot, or if we should proceed towards the application/runtime */ |
| int USBDFU_OverrideEnterDFU(void) |
| { |
| uint32_t *app_part = (uint32_t *)FLASH_ADDR(0); |
| |
| /* If the loopback jumper is set, we enter DFU mode */ |
| if (uart_has_loopback_jumper()) |
| return 1; |
| |
| /* if the first word of the application partition doesn't look |
| * like a stack pointer (i.e. point to RAM), enter DFU mode */ |
| if ((app_part[0] < IRAM_ADDR) || |
| ((uint8_t *)app_part[0] > IRAM_END)) |
| return 1; |
| |
| /* if the second word of the application partition doesn't look |
| * like a function from flash (reset vector), enter DFU mode */ |
| if (((uint32_t *)app_part[1] < app_part) || |
| ((uint8_t *)app_part[1] > IFLASH_END)) |
| return 1; |
| |
| return 0; |
| } |
| |
| /* returns '1' in case we should break any endless loop */ |
| static void check_exec_dbg_cmd(void) |
| { |
| int ch; |
| |
| if (!UART_IsRxReady()) |
| return; |
| |
| ch = UART_GetChar(); |
| |
| //board_exec_dbg_cmd(ch); |
| } |
| |
| /*------------------------------------------------------------------------------ |
| * Main |
| *------------------------------------------------------------------------------*/ |
| #define MAX_USB_ITER BOARD_MCK/72 // This should be around a second |
| extern int main(void) |
| { |
| uint8_t isUsbConnected = 0; |
| unsigned int i = 0; |
| uint32_t reset_cause = (RSTC->RSTC_SR & RSTC_SR_RSTTYP_Msk) >> RSTC_SR_RSTTYP_Pos; |
| |
| led_init(); |
| led_blink(LED_GREEN, BLINK_3O_30F); |
| led_blink(LED_RED, BLINK_3O_30F); |
| |
| /* Enable watchdog for 500ms, with no window */ |
| WDT_Enable(WDT, WDT_MR_WDRSTEN | WDT_MR_WDDBGHLT | WDT_MR_WDIDLEHLT | |
| (WDT_GetPeriod(500) << 16) | WDT_GetPeriod(500)); |
| |
| //req_ctx_init(); |
| |
| PIO_InitializeInterrupts(0); |
| |
| EEFC_ReadUniqueID(g_unique_id); |
| |
| printf("\n\r\n\r" |
| "=============================================================================\n\r" |
| "DFU bootloader %s for board %s (C) 2010-2017 by Harald Welte\n\r" |
| "=============================================================================\n\r", |
| manifest_revision, manifest_board); |
| |
| TRACE_INFO("Chip ID: 0x%08x (Ext 0x%08x)\n\r", CHIPID->CHIPID_CIDR, CHIPID->CHIPID_EXID); |
| TRACE_INFO("Serial Nr. %08x-%08x-%08x-%08x\n\r", |
| g_unique_id[0], g_unique_id[1], |
| g_unique_id[2], g_unique_id[3]); |
| TRACE_INFO("Reset Cause: 0x%x\n\r", reset_cause); |
| |
| /* clear g_dfu on power-up reset */ |
| if (reset_cause == 0) |
| memset(g_dfu, 0, sizeof(*g_dfu)); |
| |
| board_main_top(); |
| |
| TRACE_INFO("USB init...\n\r"); |
| USBDFU_Initialize(&dfu_descriptors); |
| |
| while (USBD_GetState() < USBD_STATE_CONFIGURED) { |
| WDT_Restart(WDT); |
| check_exec_dbg_cmd(); |
| #if 1 |
| if (i >= MAX_USB_ITER * 3) { |
| TRACE_ERROR("Resetting board (USB could " |
| "not be configured)\n\r"); |
| USBD_Disconnect(); |
| NVIC_SystemReset(); |
| } |
| #endif |
| i++; |
| } |
| |
| FLASHD_Initialize(BOARD_MCK, 1); |
| TRACE_INFO("entering main loop...\n\r"); |
| while (1) { |
| WDT_Restart(WDT); |
| #if TRACE_LEVEL >= TRACE_LEVEL_DEBUG |
| const char rotor[] = { '-', '\\', '|', '/' }; |
| putchar('\b'); |
| putchar(rotor[i++ % ARRAY_SIZE(rotor)]); |
| #endif |
| check_exec_dbg_cmd(); |
| //osmo_timers_prepare(); |
| //osmo_timers_update(); |
| |
| if (USBD_GetState() < USBD_STATE_CONFIGURED) { |
| |
| if (isUsbConnected) { |
| isUsbConnected = 0; |
| } |
| } else if (isUsbConnected == 0) { |
| TRACE_INFO("USB is now configured\n\r"); |
| |
| isUsbConnected = 1; |
| } |
| } |
| } |