Diff: app/app_config.c

Revision:

1:c0429edee15b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/app_config.c	Fri Sep 24 18:39:34 2021 +0800
@@ -0,0 +1,136 @@
+/***************************************************************************//**
+ *   @file    app_config.c
+ *   @brief   Application configurations module
+ *   @details This module contains the configurations needed for IIO application
+********************************************************************************
+ * Copyright (c) 2021 Analog Devices, Inc.
+ * All rights reserved.
+ *
+ * This software is proprietary to Analog Devices, Inc. and its licensors.
+ * By using this software you agree to the terms of the associated
+ * Analog Devices Software License Agreement.
+*******************************************************************************/
+
+/******************************************************************************/
+/***************************** Include Files **********************************/
+/******************************************************************************/
+
+#include <stdbool.h>
+
+#include "app_config.h"
+#include "adc_data_capture.h"
+#include "ad77681_iio.h"
+#include "error.h"
+#include "uart.h"
+#include "irq.h"
+#include "gpio.h"
+
+/******************************************************************************/
+/************************ Macros/Constants ************************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/*************************** Types Declarations *******************************/
+/******************************************************************************/
+
+/*
+ * UART init parameters structure
+ */
+struct uart_init_param uart_init_params = {
+	.device_id = NULL,
+	.baud_rate = IIO_UART_BAUD_RATE,
+	.extra = &uart_init_extra_params
+};
+
+/* LED GPIO descriptor */
+struct gpio_init_param gpio_init_led_green = {
+	.number = LED_GREEN,
+	.extra = NULL
+};
+
+/* External interrupt init parameters */
+struct irq_init_param external_int_init_param = {
+	.irq_ctrl_id = EXTERNAL_INT_ID1,
+	.extra = &mbed_ext_int_init_param
+};
+
+/* External interrupt callback descriptor */
+struct callback_desc external_int_callback_desc = {
+	data_capture_callback,
+	NULL,
+	NULL
+};
+
+/* LED GPIO descriptor */
+gpio_desc *led_green_gpio_desc = NULL;
+
+/* External interrupt descriptor */
+struct irq_ctrl_desc *external_int_desc;
+
+/******************************************************************************/
+/************************ Functions Prototypes ********************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/************************ Functions Definitions *******************************/
+/******************************************************************************/
+
+/**
+ * @brief 	Initialize the GPIOs
+ * @return	SUCCESS in case of success, FAILURE otherwise
+ * @details	This function initialize the GPIOs used by application
+ */
+static int32_t init_gpio(void)
+{
+	/* Initialize the LED GREEN GPIO */
+	if (gpio_get_optional(&led_green_gpio_desc, &gpio_init_led_green) != SUCCESS) {
+		return FAILURE;
+	}
+
+	if (led_green_gpio_desc) {
+		if (gpio_direction_output(led_green_gpio_desc, GPIO_HIGH) != SUCCESS) {
+			return FAILURE;
+		}
+	}
+
+	return SUCCESS;
+}
+
+/**
+ * @brief 	Initialize the IRQ contoller
+ * @return	SUCCESS in case of success, FAILURE otherwise
+ * @details	This function initialize the interrupts for system peripherals
+ */
+static int32_t init_interrupt(void)
+{
+	/* Init interrupt controller for external interrupt */
+	if (irq_ctrl_init(&external_int_desc, &external_int_init_param) == FAILURE) {
+		return FAILURE;
+	}
+
+	/* Register a callback function for external interrupt */
+	if (irq_register_callback(external_int_desc,
+				  EXTERNAL_INT_ID1,
+				  &external_int_callback_desc) == FAILURE) {
+		return FAILURE;
+	}
+
+	return SUCCESS;
+}
+
+/**
+ * @brief 	Initialize the system peripherals
+ * @return	SUCCESS in case of success, FAILURE otherwise
+ */
+int32_t init_system(void)
+{
+	if (init_gpio() != SUCCESS) {
+		return FAILURE;
+	}
+
+	if (init_interrupt() != SUCCESS) {
+		return FAILURE;
+	}
+
+	return SUCCESS;
+}