Diff: app/app_config.c

Revision:

6:32de160dce43

Child:

7:054dbd5e1f45

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/app_config.c	Wed Jul 21 11:16:56 2021 +0100
@@ -0,0 +1,180 @@
+/***************************************************************************//**
+ *   @file    app_config.c
+ *   @brief   Application configurations module (platform-agnostic)
+ *   @details This module performs the system configurations
+********************************************************************************
+ * Copyright (c) 2020-2021 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 "ad7606_data_capture.h"
+#include "error.h"
+#include "uart.h"
+#include "gpio.h"
+#include "irq.h"
+#include "pwm.h"
+
+/******************************************************************************/
+/************************ Macros/Constants ************************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/******************** Variables and User Defined Data Types *******************/
+/******************************************************************************/
+
+/* UART init parameters */
+struct uart_init_param uart_init_params = {
+	.device_id = NULL,
+	.baud_rate = IIO_UART_BAUD_RATE,
+	.extra = &uart_extra_init_params
+};
+
+/* LED GPO init parameters */
+static struct gpio_init_param led_gpio_init_params = {
+	.number = LED_GPO,
+	.extra = NULL
+};
+
+/* External interrupt init parameters */
+static struct irq_init_param ext_int_init_params = {
+	.irq_ctrl_id = EXTERNAL_INT_ID1,
+	.extra = &ext_int_extra_init_params
+};
+
+/* External interrupt callback descriptor */
+static struct callback_desc ext_int_callback_desc = {
+	do_conversion_callback,
+	NULL,
+	NULL
+};
+
+/* PWM init parameters */
+static struct pwm_init_param pwm_init_params = {
+	.id = PWM_TRIGGER,								// GPIO used for PWM
+	.period_ns = CONV_TRIGGER_PERIOD_NSEC,			// PWM period in nsec
+	.duty_cycle_ns = CONV_TRIGGER_DUTY_CYCLE_NSEC	// PWM duty cycle in nsec
+};
+
+/* LED GPO descriptor */
+gpio_desc *led_gpio_desc;
+
+/* External interrupt descriptor */
+struct irq_ctrl_desc *ext_int_desc;
+
+/* PWM descriptor */
+struct pwm_desc *pwm_desc;
+
+/******************************************************************************/
+/************************** Functions Declarations ****************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/************************** 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)
+{
+	do {
+		/* Initialize the LED GPO */
+		if (gpio_get_optional(&led_gpio_desc, &led_gpio_init_params) != SUCCESS) {
+			break;
+		}
+
+		if (gpio_direction_output(led_gpio_desc, GPIO_HIGH) != SUCCESS) {
+			break;
+		}
+
+		return SUCCESS;
+	} while (0);
+
+	return FAILURE;
+}
+
+
+/**
+ * @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)
+{
+	do {
+		/* Init interrupt controller for external interrupt */
+		if (irq_ctrl_init(&ext_int_desc, &ext_int_init_params) != SUCCESS) {
+			break;
+		}
+
+		/* Register a callback function for external interrupt */
+		if (irq_register_callback(ext_int_desc,
+					  EXTERNAL_INT_ID1,
+					  &ext_int_callback_desc) != SUCCESS) {
+			break;
+		}
+
+		return SUCCESS;
+	} while (0);
+
+	return FAILURE;
+}
+
+
+/**
+ * @brief 	Initialize the PWM contoller
+ * @return	SUCCESS in case of success, FAILURE otherwise
+ */
+static int32_t init_pwm(void)
+{
+	do {
+		/* Initialize the PWM interface to generate PWM signal
+		 * on conversion trigger event pin */
+		if (pwm_init(&pwm_desc, &pwm_init_params) != SUCCESS) {
+			break;
+		}
+
+		if (pwm_enable(pwm_desc) != SUCCESS) {
+			break;
+		}
+
+		return SUCCESS;
+	} while (0);
+
+	return FAILURE;
+}
+
+
+/**
+ * @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;
+	}
+
+	if (init_pwm() != SUCCESS) {
+		return FAILURE;
+	}
+
+	return SUCCESS;
+}