// Lua: adc.force_init_mode(x)
static int adc_init107( lua_State *L )
{
uint8_t byte107 = luaL_checkinteger (L, 1);
uint32 init_sector = flash_safe_get_sec_num () - 4;
// Note 32bit alignment so we can safely cast to uint32 for the flash api
char init_data[SPI_FLASH_SEC_SIZE] __attribute__((aligned(4)));
if (SPI_FLASH_RESULT_OK != flash_safe_read (
init_sector * SPI_FLASH_SEC_SIZE,
(uint32 *)init_data, sizeof(init_data)))
return luaL_error(L, "flash read error");
// If it's already the correct value, we don't need to force it
if (init_data[107] == byte107)
{
lua_pushboolean (L, false);
return 1;
}
// Nope, it differs, we need to rewrite it
init_data[107] = byte107;
if (SPI_FLASH_RESULT_OK != flash_safe_erase_sector (init_sector))
return luaL_error(L, "flash erase error");
if (SPI_FLASH_RESULT_OK != flash_safe_write (
init_sector * SPI_FLASH_SEC_SIZE,
(uint32 *)init_data, sizeof(init_data)))
return luaL_error(L, "flash write error");
lua_pushboolean (L, true);
return 1;
}
bool flash_init_data_default(void)
{
/* Can't copy directly from flash (which is where the default data lives)
* due to it being unmapped during the write, so bounce via ram buffer. */
uint8_t init_data[128];
os_memcpy (init_data, flash_init_data, 128);
// FLASH SEC - 4
// Dangerous, here are dinosaur infested!!!!!
// Reboot required!!!
// It will init system data to default!
bool result = false;
#if defined(FLASH_SAFE_API)
if (SPI_FLASH_RESULT_OK == flash_safe_erase_sector((flash_safe_get_sec_num() - 4)))
{
if (SPI_FLASH_RESULT_OK == flash_safe_write((flash_safe_get_sec_num() - 4) * SPI_FLASH_SEC_SIZE, (uint32 *)init_data, 128))
{
result = true;
}
}
#else
if (SPI_FLASH_RESULT_OK == spi_flash_erase_sector((flash_rom_get_sec_num() - 4)))
{
if (SPI_FLASH_RESULT_OK == spi_flash_write((flash_rom_get_sec_num() - 4) * SPI_FLASH_SEC_SIZE, (uint32 *)init_data, 128))
{
result = true;
}
}
#endif // defined(FLASH_SAFE_API)
return result;
}
bool flash_init_data_default(void)
{
// FLASH SEC - 4
// Dangerous, here are dinosaur infested!!!!!
// Reboot required!!!
// It will init system data to default!
bool result = false;
#if defined(FLASH_SAFE_API)
if (SPI_FLASH_RESULT_OK == flash_safe_erase_sector((flash_safe_get_sec_num() - 4)))
{
if (SPI_FLASH_RESULT_OK == flash_safe_write((flash_safe_get_sec_num() - 4) * SPI_FLASH_SEC_SIZE, (uint32 *)flash_init_data, 128))
{
result = true;
}
}
#else
if (SPI_FLASH_RESULT_OK == spi_flash_erase_sector((flash_rom_get_sec_num() - 4)))
{
if (SPI_FLASH_RESULT_OK == spi_flash_write((flash_rom_get_sec_num() - 4) * SPI_FLASH_SEC_SIZE, (uint32 *)flash_init_data, 128))
{
result = true;
}
}
#endif // defined(FLASH_SAFE_API)
return result;
}
static int
flash_char_write(struct inode *inode, struct file *filp,
const char *buf, int count)
{
int wlen;
struct flashpartition *part = (struct flashpartition *)filp->private_data;
FDEBUG(printk("flash_char_write\n"));
wlen = flash_safe_write(part,
(unsigned char *)part->start + filp->f_pos,
(unsigned char *)buf, count);
/* advance file position pointer */
if(wlen >= 0)
filp->f_pos += wlen;
return wlen;
}
static s32_t my_spiffs_write(u32_t addr, u32_t size, u8_t *src) {
flash_safe_write(addr, src, size);
return SPIFFS_OK;
}
