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+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ * of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ * list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "adc_imx7d.h"
+#include "debug_console_imx.h"
+#include "board.h"
+
+int main(void)
+{
+ adc_init_config_t adcConfig = {
+ .sampleRate = 2000,
+ // For i.MX7D this value should always be set to true.
+ .levelShifterEnable = true
+ };
+
+ adc_logic_ch_init_config_t adcChannelConfig = {
+ .inputChannel = BOARD_ADC_INPUT_CHANNEL,
+ .coutinuousEnable = true,
+ .convertRate = 1,
+ .averageEnable = true,
+ .averageNumber = adcAvgNum32
+ };
+
+ // Initialize board specified hardware.
+ hardware_init();
+
+ PRINTF("\n-------------- ADC imx7d driver example --------------\n\n\r");
+ PRINTF("This example demonstrates usage of ADC driver on i.MX processor.\n\r");
+ PRINTF("It Continuous convert Analog Input, and print the result to terminal \n\r");
+
+ // Initialize ADC module.
+ ADC_Init(BOARD_ADC_BASEADDR, &adcConfig);
+
+ // Enable Convert finish interrupt on Logic Channel A
+ ADC_SetIntSigCmd(BOARD_ADC_BASEADDR, adcIntConvertChA, true);
+ ADC_SetIntCmd(BOARD_ADC_BASEADDR, adcIntConvertChA, true);
+
+ /* Set ADC Interrupt priority */
+ NVIC_SetPriority(BOARD_ADC_IRQ_NUM, 3);
+
+ /* Call core API to enable the IRQ. */
+ NVIC_EnableIRQ(BOARD_ADC_IRQ_NUM);
+
+ // Initialize ADC Logic Channel A module.
+ ADC_LogicChInit(BOARD_ADC_BASEADDR, adcLogicChA, &adcChannelConfig);
+
+ // Start Continuous Conversion on Logic Channel A.
+ ADC_SetConvertCmd(BOARD_ADC_BASEADDR, adcLogicChA, true);
+
+ while(1);
+}
+
+void BOARD_ADC_HANDLER(void)
+{
+ float voltage;
+ ADC_ClearStatusFlag(BOARD_ADC_BASEADDR, adcStatusConvertChA);
+ voltage = (1.8 * ADC_GetConvertResult(BOARD_ADC_BASEADDR, adcLogicChA))/0xFFF;
+ PRINTF("Current analog value: %3.2fv\n\r", voltage);
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/