int stm32_sht10initialize(FAR const char *devpath)
{
FAR struct i2c_master_s *i2c;
int ret;
/* Get an instance of the I2C1 interface */
i2c = stm32_i2cbus_initialize(1);
if (!i2c)
{
return -ENODEV;
}
/* Then register the temperature sensor */
ret = sht10_register(devpath, i2c,0x00);
if (ret < 0)
{
(void)stm32_i2cbus_uninitialize(i2c);
}
return ret;
}
int board_lcd_initialize(void)
{
/* Initialize I2C */
g_i2c = stm32_i2cbus_initialize(OLED_I2C_PORT);
if (!g_i2c)
{
lcderr("ERROR: Failed to initialize I2C port %d\n", OLED_I2C_PORT);
return 0;
}
return 1;
}
static void stm32_i2c_register(int bus)
{
FAR struct i2c_master_s *i2c;
int ret;
i2c = stm32_i2cbus_initialize(bus);
if (i2c == NULL)
{
_err("ERROR: Failed to get I2C%d interface\n", bus);
}
else
{
ret = i2c_register(i2c, bus);
if (ret < 0)
{
_err("ERROR: Failed to register I2C%d driver: %d\n", bus, ret);
stm32_i2cbus_uninitialize(i2c);
}
}
}
int stm32_at24_automount(int minor)
{
FAR struct i2c_master_s *i2c;
FAR struct mtd_dev_s *mtd;
static bool initialized = false;
int ret;
/* Have we already initialized? */
if (!initialized)
{
/* No.. Get the I2C bus driver */
finfo("Initialize I2C%d\n", AT24_I2C_BUS);
i2c = stm32_i2cbus_initialize(AT24_I2C_BUS);
if (!i2c)
{
ferr("ERROR: Failed to initialize I2C%d\n", AT24_I2C_BUS);
return -ENODEV;
}
/* Now bind the I2C interface to the AT24 I2C EEPROM driver */
finfo("Bind the AT24 EEPROM driver to I2C%d\n", AT24_I2C_BUS);
mtd = at24c_initialize(i2c);
if (!mtd)
{
ferr("ERROR: Failed to bind TWI%d to the AT24 EEPROM driver\n",
AT24_I2C_BUS);
return -ENODEV;
}
#if defined(CONFIG_STM32F103MINIMUM_AT24_FTL)
/* And finally, use the FTL layer to wrap the MTD driver as a block driver */
finfo("Initialize the FTL layer to create /dev/mtdblock%d\n", AT24_MINOR);
ret = ftl_initialize(AT24_MINOR, mtd);
if (ret < 0)
{
ferr("ERROR: Failed to initialize the FTL layer: %d\n", ret);
return ret;
}
#elif defined(CONFIG_STM32F103MINIMUM_AT24_NXFFS)
/* Initialize to provide NXFFS on the MTD interface */
finfo("Initialize the NXFFS file system\n");
ret = nxffs_initialize(mtd);
if (ret < 0)
{
ferr("ERROR: NXFFS initialization failed: %d\n", ret);
return ret;
}
/* Mount the file system at /mnt/at24 */
finfo("Mount the NXFFS file system at /dev/at24\n");
ret = mount(NULL, "/mnt/at24", "nxffs", 0, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
return ret;
}
#endif
/* Now we are initialized */
initialized = true;
}
return OK;
}
