コード例 #1
0
//! [setup_14]
void configure_ac_callback(void)
{
	//! [setup_15]
	ac_register_callback(&ac_instance, callback_function_ac, AC_CALLBACK_COMPARATOR_0);
	//! [setup_15]
	//! [setup_16]
	ac_enable_callback(&ac_instance, AC_CALLBACK_COMPARATOR_0);
	//! [setup_16]
}
コード例 #2
0
ファイル: unit_test.c プロジェクト: evarty/Microcontroller
/**
 * \internal
 * \brief Setup Function: AC callback mode test.
 *
 * This function initializes the AC to generate interrupt when the AC
 * output toggles.
 *
 * \param test Current test case.
 */
static void setup_ac_callback_mode_test(const struct test_case *test)
{
	enum status_code status = STATUS_ERR_IO;

	/* Structure for AC configuration */
	struct ac_config config;
	struct ac_chan_config channel_config;

	/* Set the flag to false */
	ac_init_success = false;
	ac_reset(&ac_inst);

	ac_get_config_defaults(&config);
	/* Initialize the AC */
	status = ac_init(&ac_inst, AC, &config);
	/* Check for successful initialization */
	test_assert_true(test, status == STATUS_OK,
			"AC initialization failed");

	/* Configure the AC input pin */
	struct system_pinmux_config ac0_pin_conf;
	system_pinmux_get_config_defaults(&ac0_pin_conf);
	ac0_pin_conf.direction    = SYSTEM_PINMUX_PIN_DIR_INPUT;
	ac0_pin_conf.mux_position = MUX_PA04B_AC_AIN0;
	system_pinmux_pin_set_config(PIN_PA04B_AC_AIN0, &ac0_pin_conf);

	/* Channel configuration */
	status = STATUS_ERR_IO;
	ac_chan_get_config_defaults(&channel_config);
	channel_config.sample_mode       = AC_CHAN_MODE_CONTINUOUS;
	channel_config.positive_input    = AC_CHAN_POS_MUX_PIN0;
	channel_config.negative_input    = AC_CHAN_NEG_MUX_SCALED_VCC;
	channel_config.vcc_scale_factor  = AC_SCALER_0_50_VOLT;
	status
		= ac_chan_set_config(&ac_inst, AC_CHAN_CHANNEL_0,
			&channel_config);
	/* Check for successful initialization */
	test_assert_true(test, status == STATUS_OK,
			"AC channel initialization failed");

	/* Callback configuration */
	status = ac_register_callback(&ac_inst, ac_user_callback,
			AC_CALLBACK_COMPARATOR_0);
	test_assert_true(test, status == STATUS_OK,
			"AC callback registration failed");

	/* Enable the AC channel & the module */
	ac_chan_enable(&ac_inst, AC_CHAN_CHANNEL_0);
	ac_enable(&ac_inst);
	ac_enable_callback(&ac_inst, AC_CALLBACK_COMPARATOR_0);

	if (status == STATUS_OK) {
		ac_init_success = true;
	}
}