/* Configure GPIO pins to be used as LED and push button */
static void configure_gpios()
{
mdev_t *pinmux_dev, *gpio_dev;
/* Initialize pinmux driver */
pinmux_drv_init();
/* Open pinmux driver */
pinmux_dev = pinmux_drv_open("MDEV_PINMUX");
/* Initialize GPIO driver */
gpio_drv_init();
/* Open GPIO driver */
gpio_dev = gpio_drv_open("MDEV_GPIO");
/* Configure GPIO pin function for GPIO connected to LED */
pinmux_drv_setfunc(pinmux_dev, gpio_led, GPIO_LED_FN);
/* Configure GPIO pin direction as Output */
gpio_drv_setdir(gpio_dev, gpio_led, GPIO_OUTPUT);
/* Keep initial state of LED: ON */
gpio_drv_write(gpio_dev, gpio_led, 0);
/* Close drivers */
pinmux_drv_close(pinmux_dev);
gpio_drv_close(gpio_dev);
}
/* Basic Sensor IO initialization to be done here
This function will be called only once during sensor registration
*/
int ultrasonic_sensor_init(struct sensor_info *curevent)
{
wmprintf("%s\r\n", __FUNCTION__);
mdev_t *pinmux_dev, *gpio_dev;
/* Initialize pinmux driver */
pinmux_drv_init();
/* Open pinmux driver */
pinmux_dev = pinmux_drv_open("MDEV_PINMUX");
/* Initialize GPIO driver */
gpio_drv_init();
/* Open GPIO driver */
gpio_dev = gpio_drv_open("MDEV_GPIO");
/* Configure GPIO pin function for GPIO connected to LED */
pinmux_drv_setfunc(pinmux_dev, ULTRASONIC_SEN_IO, ULTRASONIC_SEN_IO_GPIO);
/* Confiugre GPIO pin direction as Input */
gpio_drv_setdir(gpio_dev, ULTRASONIC_SEN_IO, GPIO_INPUT);
/* Close drivers */
pinmux_drv_close(pinmux_dev);
gpio_drv_close(gpio_dev);
#ifdef ULTRASONIC_SENSOR_TEST
check_ultrasonic_sensor();
#endif /* ULTRASONIC_SENSOR_TEST */
return 0;
}
// configuring gpios
static void configure_gpios()
{
mdev_t *pinmux_dev, *gpio_dev;
/* Initialize pinmux driver */
pinmux_drv_init();
/* Open pinmux driver */
pinmux_dev = pinmux_drv_open("MDEV_PINMUX");
/* Initialize GPIO driver */
gpio_drv_init();
/* Open GPIO driver */
gpio_dev = gpio_drv_open("MDEV_GPIO");
/* Configure GPIO pin function for GPIO connected to LED */
pinmux_drv_setfunc(pinmux_dev, gpio_led, GPIO_LED_FN);
/* Configure GPIO pin direction as Output */
gpio_drv_setdir(gpio_dev, gpio_led, GPIO_OUTPUT);
/* Keep initial state of LED: ON */
gpio_drv_write(gpio_dev, gpio_led, 0);
/* Configure GPIO pin function for GPIO connected to push button */
pinmux_drv_setfunc(pinmux_dev, gpio_pushbutton, GPIO_PUSHBUTTON_FN);
/* Configure GPIO pin direction as input */
gpio_drv_setdir(gpio_dev, gpio_pushbutton, GPIO_INPUT);
/* Register a callback for push button interrupt */
gpio_drv_set_cb(gpio_dev, gpio_pushbutton, GPIO_INT_FALLING_EDGE,
NULL,
pushbutton_press);
/* Close drivers */
pinmux_drv_close(pinmux_dev);
gpio_drv_close(gpio_dev);
}
int lcd_drv_init(I2C_ID_Type id)
{
int ret;
MDEV_lcd.name = MDEV_NAME_lcd;
if (mdev_get_handle(MDEV_NAME_lcd) != NULL)
return WM_SUCCESS;
pinmux_drv_init();
gpio_drv_init();
i2c_drv_init(id);
ret = os_mutex_create(&lcd_mutex, "lcd", OS_MUTEX_INHERIT);
if (ret == -WM_FAIL) {
lcd_e("Failed to create mutex");
return -WM_FAIL;
}
mdev_register(&MDEV_lcd);
MDEV_lcd.private_data = (uint32_t) id;
init_lcd();
return WM_SUCCESS;
}
