106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
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#include "app_config.h"
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#include "typedef.h"
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#include "fs.h"
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#include "norflash.h"
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#include "spi/nor_fs.h"
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typedef struct _nor_fs_part {
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u32 update_file_addr;
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u32 update_area_start_addr;
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u32 update_area_end_addr;
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} nor_fs_parm;
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nor_fs_parm update_norfs_parm;
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#define NORFLASH_LOADER_PATH "storage/nor_fs/C/loader.bin"
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static void *fd = NULL;
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void register_loader_write_handler(u32(*hdl)(void *, u32));
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u16 CRC16_with_initval(const void *ptr, u32 len, u16 i_val);
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u32 nor_get_absolute_addr(void);
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u32 nor_get_start_addr(void);
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u32 nor_get_capacity(void);
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void get_nor_update_param(void *buf)
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{
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if (buf) {
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printf("file_addr:0x%x start_addr:0x%x end_addr:0x%x\n", update_norfs_parm.update_file_addr, update_norfs_parm.update_area_start_addr, update_norfs_parm.update_area_end_addr);
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memcpy(buf, (u8 *)&update_norfs_parm, sizeof(update_norfs_parm));
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}
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}
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int norflash_f_open(u32 loader_len)
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{
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fd = fopen(NORFLASH_LOADER_PATH, "w+");
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if (!fd) {
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r_printf("update fopen err\n");
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return -1;
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} else {
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g_printf("update fopen succ\n");
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update_norfs_parm.update_file_addr = nor_get_absolute_addr();
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update_norfs_parm.update_area_start_addr = nor_get_start_addr();
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update_norfs_parm.update_area_end_addr = update_norfs_parm.update_area_start_addr + nor_get_capacity();
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if (loader_len > nor_get_capacity) {
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return -2;
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}
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}
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return 0;
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}
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u32 norflash_f_write(u8 *buff, u16 len)
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{
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if (fd) {
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return fwrite(fd, buff, len);
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}
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return 0;
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}
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u32 norflash_update_verify(u32 loader_len, u32 loader_crc)
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{
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u32 len = loader_len;
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u32 crc_temp = 0;
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if (fd) {
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fseek(fd, NOR_FS_SEEK_SET, 0); //偏移到文件起始
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u16 r_len;
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u8 *temp_buf = malloc(512);
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if (NULL == temp_buf) {
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goto _ERR_RET;
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}
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u16 temp_buf_len = 512;
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while (len) {
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r_len = (len > temp_buf_len) ? temp_buf_len : len;
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fread(fd, temp_buf, r_len);
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crc_temp = CRC16_with_initval(temp_buf, r_len, crc_temp);
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len -= r_len;
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}
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_ERR_RET:
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if (NULL != temp_buf) {
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free(temp_buf);
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}
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if (crc_temp == loader_crc) {
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return 0;
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}
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}
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return 1;
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}
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void norflash_update_close()
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{
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if (fd) {
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fclose(fd);
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}
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}
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int norflash_loader_start(u32 loader_len)
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{
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register_loader_write_handler(norflash_f_write);
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return norflash_f_open(loader_len);
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}
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