static int do_setenv(int argc, const char* const* argv)
{
switch (argc)
{
case 1:
env_dump();
break;
case 2:
env_delete(argv[1]);
break;
case 3:
env_insert(argv[1], argv[2]);
break;
}
return 0;
}
void env_init(uint32_t flashaddr, uint32_t envsize)
{
current_env = os_malloc(envsize);
current_env_flash_addr = flashaddr;
current_env_size=envsize - sizeof(struct environment);
#if defined(CONFIG_ENABLE_BANNER)
console_printf("env: Environment @ %p size %d bytes (%d real) \n",
(void*)flashaddr, (int)envsize, (int)current_env_size);
#endif
spi_flash_read(flashaddr, (uint32*)current_env, envsize);
uint16_t crc = crc16((const unsigned char*)¤t_env->occupied, envsize - sizeof(uint16_t));
if ((current_env->occupied == 0) || (crc != current_env->crc)) {
console_printf("env: Bad CRC (%x vs %x) using defaults\n", crc, current_env->crc);
env_reset();
}
#if defined(CONFIG_ENABLE_BANNER)
env_dump();
#endif
}
static int do_printenv(int argc, const char* const* argv)
{
env_dump();
return 0;
}
