C++ (Cpp) set_adc_test_mode示例

示例#1

/**
 * \brief Application entry point for adcife example.
 *
 * \return Unused (ANSI-C compatibility).
 */
int main(void)
{
	uint32_t uc_key = 0;

	/* Initialize the SAM system */
	sysclk_init();
	board_init();

	/* Initialize the UART console */
	configure_console();

	/* Output example information */
	puts(STRING_HEADER);

	/* Set default ADCIFE test mode. */
	g_adc_test_mode.uc_trigger_mode = TRIGGER_MODE_SOFTWARE;
	g_adc_test_mode.uc_pdc_en = 1;
	g_adc_test_mode.uc_gain_en = 0;

	display_menu();

	start_dac();

	start_adc();

	while (1) {
		/* ADCIFE software trigger per 1s */
		if (g_adc_test_mode.uc_trigger_mode == TRIGGER_MODE_SOFTWARE) {
			adc_start_software_conversion(&g_adc_inst);
		}
		if (!usart_read(CONF_UART, &uc_key)) {
			adc_disable_interrupt(&g_adc_inst, ADC_SEQ_SEOC);
			display_menu();
			set_adc_test_mode();
			start_adc();
			puts("Press any key to display configuration menu.\r");
		}
		delay_ms(1000);
		if (g_uc_condone_flag == 1) {
			if(g_adc_test_mode.uc_pdc_en == 0) {
				printf("Internal DAC Voltage = %4d mv  \r\n",
						(int)(g_adc_sample_data[0] * VOLT_REF / MAX_DIGITAL));
			} else {
				printf("Internal DAC Voltage = %4d mv  \r\n",
						(int)(g_adc_sample_data[0] * VOLT_REF /
							MAX_DIGITAL));
				printf("Scaled VCC Voltage = %4d mv  \r\n",
						(int)(g_adc_sample_data[1] * VOLT_REF /
							MAX_DIGITAL));
			}
			g_uc_condone_flag = 0;
		}
	}
}

示例#2

/**
 *  \brief adc12 Application entry point.
 *
 *  \return Unused (ANSI-C compatibility).
 */
int main(void)
{
	uint32_t i;
	uint8_t uc_key;
	/* Initialize the SAM system. */
	sysclk_init();
	board_init();

	configure_console();

	/* Output example information. */
	puts(STRING_HEADER);

	puts("Configure system tick to get 1ms tick period.\r");
	if (SysTick_Config(sysclk_get_cpu_hz() / 1000)) {
		puts("-F- Systick configuration error\r");
		while (1);
	}

	/* Set default ADC test mode. */
	memset((void *)&g_adc_test_mode, 0, sizeof(g_adc_test_mode));
	g_adc_test_mode.uc_trigger_mode = TRIGGER_MODE_SOFTWARE;
	g_adc_test_mode.uc_pdc_en = 1;
	g_adc_test_mode.uc_sequence_en = 0;
	g_adc_test_mode.uc_gain_en = 0;
	g_adc_test_mode.uc_offset_en = 0;

	display_menu();
	start_adc();

	puts("Press any key to display configuration menu.\r");
	while (1) {
		/* ADC software trigger per 1s */
		if (g_adc_test_mode.uc_trigger_mode == TRIGGER_MODE_SOFTWARE) {
			mdelay(1000);
#if SAM3S || SAM3N || SAM3XA || SAM4S || SAM4C
			adc_start(ADC);
#elif SAM3U
#ifdef ADC_12B
			adc12b_start(ADC12B);
#else
			adc_start(ADC);
#endif
#endif
		}

		/* Check if the user enters a key. */
		if (!uart_read(CONSOLE_UART, &uc_key)) {
#if SAM3S || SAM3N || SAM3XA || SAM4S || SAM4C
			adc_disable_interrupt(ADC, 0xFFFFFFFF);	/* Disable all adc interrupt. */
#elif SAM3U
#ifdef ADC_12B
			adc12b_disable_interrupt(ADC12B, 0xFFFFFFFF);	/* Disable all adc interrupt. */
#else
			adc_disable_interrupt(ADC, 0xFFFFFFFF);	/* Disable all adc interrupt. */
#endif
#endif
			tc_start(TC0, 0);	/* Stop the Timer. */
#if SAM3S || SAM3U || SAM3XA || SAM4S
			pwm_channel_disable(PWM, 0);
#endif
			display_menu();
			set_adc_test_mode();
			start_adc();
			puts("Press any key to display configuration menu.\r");
		}

		/* Check if ADC sample is done. */
		if (g_adc_sample_data.us_done == ADC_DONE_MASK) {
			for (i = 0; i < NUM_CHANNELS; i++) {
				printf("CH%02d: %04d mv.    ",
						(int)g_adc_sample_data.uc_ch_num[i],
						(int)(g_adc_sample_data.
								us_value[i] *
								VOLT_REF /
								MAX_DIGITAL));
			}
			puts("\r");
			g_adc_sample_data.us_done = 0;
		}
	}
}