--- /dev/null
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2011 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \author Stefano Federico <aleph@develer.com>
+ *
+ * \brief Empty project.
+ *
+ * This is a minimalist project, it just initializes the hardware of the
+ * supported board and proposes an empty main.
+ */
+
+#include "hw/hw_led.h"
+#include "hw/hw_sd.h"
+#include "hw/hw_boot.h"
+
+// Define log settings for cfg/log.h
+#define LOG_LEVEL 3
+#define LOG_FORMAT 0
+#include <cfg/log.h>
+#include <cfg/debug.h>
+
+#include <cpu/irq.h>
+
+#include <drv/timer.h>
+#include <drv/lcd_hx8347.h>
+#include <drv/flash.h>
+#include <drv/sd.h>
+#include <drv/dmac_sam3.h>
+
+#include <io/kblock.h>
+
+#include <fs/fat.h>
+
+#include <string.h>
+
+
+static Flash internal_flash;
+static KFileBlock flash;
+static Sd sd;
+
+FATFS fs;
+FatFile fw_file;
+
+uint8_t fw_buf[4096];
+uint8_t fw_buf1[4096];
+
+/*
+ * To jump to the application init, we should add this offset plus one.
+ */
+#define FLASH_INIT_OFFSET 0x13
+#define FLASH_TRIM_START FLASH_BOOT_SIZE / FLASH_PAGE_SIZE_BYTES
+/*
+ * Define pointer function to main program.
+ */
+void (*rom_start)(void) NORETURN = (void *)(FLASH_BOOT_SIZE + FLASH_INIT_OFFSET);
+
+#define START_APP() rom_start()
+
+static void init(void)
+{
+ kdbg_init();
+
+ IRQ_ENABLE;
+
+ timer_init();
+ dmac_init();
+ LED_INIT();
+
+ flash_init(&internal_flash, 0);
+
+ kprintf("Trim start: %d, blocks: %ld\n", FLASH_TRIM_START, internal_flash.blk.blk_cnt - FLASH_TRIM_START);
+ kblock_trim(&internal_flash.blk, FLASH_TRIM_START, internal_flash.blk.blk_cnt - FLASH_TRIM_START);
+ kfileblock_init(&flash, &internal_flash.blk);
+}
+
+
+int main(void)
+{
+ init();
+
+ LED_ON(LED_RED);
+
+ if (SD_CARD_PRESENT())
+ {
+ // There is an hardware bug, so to flash correctly we access to flash more slowing.
+ EEFC0_FMR = EEFC_FMR_FWS(7);
+ EEFC1_FMR = EEFC_FMR_FWS(7);
+
+ FRESULT result;
+ bool sd_ok = sd_init(&sd, NULL, 0);
+ if (sd_ok)
+ {
+ kprintf("Mount FAT filesystem.\n");
+ result = f_mount(0, &fs);
+ if (result != FR_OK)
+ {
+ kprintf("Mounting FAT volumes error[%d]\n", result);
+ sd_ok = false;
+ f_mount(0, NULL);
+ goto end;
+ }
+
+ if (sd_ok)
+ {
+ result = fatfile_open(&fw_file, "firmware.bin", FA_READ);
+ if (result == FR_OK)
+ {
+
+ LOG_INFO("Firmware file found, checking for update...\n");
+ size_t fw_len = fw_file.fat_file.fsize;
+ if (fw_len > (kfile_off_t)(FLASH_MEM_SIZE - FLASH_BOOT_SIZE))
+ {
+ LOG_ERR("Fw file too large\n");
+ kfile_close(&fw_file.fd);
+ f_mount(0, NULL);
+ goto end;
+ }
+
+ size_t len;
+ while (fw_len)
+ {
+ len = MIN(sizeof(fw_buf), fw_len);
+
+ if (kfile_read(&fw_file.fd, fw_buf, len) != len)
+ {
+ LOG_ERR("Error reading fw file\n");
+ kfile_close(&fw_file.fd);
+ f_mount(0, NULL);
+ goto end;
+ }
+
+ if (kfile_read(&flash.fd, fw_buf1, len) != len)
+ {
+ LOG_ERR("Error reading from flash\n");
+ kfile_close(&fw_file.fd);
+ f_mount(0, NULL);
+ goto end;
+ }
+ if (memcmp(fw_buf, fw_buf1, len))
+ break;
+
+ fw_len -= len;
+ }
+
+ if (fw_len == 0)
+ {
+ LOG_INFO("Already up-to date\n");
+ kfile_close(&fw_file.fd);
+ f_mount(0, NULL);
+ goto end;
+ }
+
+ LOG_INFO("Firmware file differs from memory, reprogramming...\n");
+ fw_len = fw_file.fat_file.fsize;
+ kfile_seek(&fw_file.fd, 0, KSM_SEEK_SET);
+ kfile_seek(&flash.fd, 0, KSM_SEEK_SET);
+
+ while (fw_len)
+ {
+ len = MIN(sizeof(fw_buf), fw_len);
+ if (kfile_read(&fw_file.fd, fw_buf, len) != len)
+ {
+ LOG_ERR("Error reading fw file[%d]\n", len);
+ kfile_close(&fw_file.fd);
+ f_mount(0, NULL);
+ goto end;
+ }
+ if (kfile_write(&flash.fd, fw_buf, len) != len)
+ {
+ LOG_ERR("Error writing flash!\n");
+ kfile_close(&fw_file.fd);
+ f_mount(0, NULL);
+ goto end;
+ }
+
+ fw_len -= len;
+ }
+ kfile_flush(&flash.fd);
+ kfile_close(&fw_file.fd);
+
+ f_mount(0, NULL);
+ LOG_INFO("Done!\n");
+
+ }
+ else
+ {
+ LOG_INFO("firmware file not found\n");
+ f_mount(0, NULL);
+ goto end;
+ }
+ }
+ }
+ }
+
+
+end:
+ //Shut down all peripheral before to jump to application.
+ timer_hw_exit();
+ IRQ_DISABLE;
+
+ EEFC0_FMR = EEFC_FMR_FWS(3);
+ EEFC1_FMR = EEFC_FMR_FWS(3);
+
+ LOG_INFO("Jump to main application.\n");
+ START_APP();
+
+ return 0;
+}
projects / bertos.git / blobdiff