/** * \brief Initialize the app in low power: now PB0 push button has been pressed * once, the application switches in low power mode: Stop LCD controller, stop * LCD backlight, stop QTouch acquisition, switch SAM4L in power scaling PS1 * mode. SAM4L is in RUN mode. */ void app_init_lowpower(void) { // Stop LCD Controller lcdca_disable(); // Stop QTouch Initialization touch_sensors_deinit(); // Initialize board features board_init(); // Clear LCD backlight ioport_set_pin_level(LCD_BL_GPIO, IOPORT_PIN_LEVEL_LOW); // Disable the peripheral that we do not use anymore sysclk_disable_peripheral_clock(CATB); sysclk_disable_peripheral_clock(PDCA); sysclk_disable_peripheral_clock(LCDCA); // Set MCU Status ui_set_mcu_status(POWER_SCALING_PS1, SLEEP_MODE_RUN, 12000000, CPU_SRC_RC4M); // Switch in selected Power Scaling mode app_switch_power_scaling(ui_get_power_scaling_mcu_status()); // Send new MCU status to the board monitor ui_bm_send_mcu_status(); }
/** * \brief Clean up LCDCA test. * * \param test Current test case. */ static void run_lcdca_end_test(const struct test_case *test) { UNUSED(test); /* Turn off LCD back light */ ioport_set_pin_level(LCD_BL_GPIO, IOPORT_PIN_LEVEL_LOW); /* Disable LCDCA */ lcdca_disable(); }