Diff: app/app_config.c

Revision:

2:007533849deb

diff -r e8361ea27191 -r 007533849deb app/app_config.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/app_config.c	Thu Jul 21 16:45:24 2022 +0530
@@ -0,0 +1,218 @@
+/***************************************************************************//**
+ *   @file    app_config.c
+ *   @brief   Application configurations module (platform-agnostic)
+ *   @details This module performs the system configurations
+********************************************************************************
+ * Copyright (c) 2021-22 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 "ad7689_data_capture.h"
+#include "no_os_error.h"
+#include "no_os_uart.h"
+#include "no_os_gpio.h"
+#include "no_os_irq.h"
+#include "no_os_pwm.h"
+
+/******************************************************************************/
+/************************ Macros/Constants ************************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/******************** Variables and User Defined Data Types *******************/
+/******************************************************************************/
+
+/* UART init parameters */
+static struct no_os_uart_init_param uart_init_params = {
+	.device_id = NULL,
+	.baud_rate = IIO_UART_BAUD_RATE,
+	.size = NO_OS_UART_CS_8,
+	.parity = NO_OS_UART_PAR_NO,
+	.stop = NO_OS_UART_STOP_1_BIT,
+	.extra = &uart_extra_init_params
+};
+
+/* LED GPO init parameters */
+static struct no_os_gpio_init_param led_gpio_init_params = {
+	.number = LED_GPO,
+	.platform_ops = &gpio_ops,
+	.extra = NULL
+};
+
+/* External interrupt init parameters */
+static struct no_os_irq_init_param ext_int_init_params = {
+	.irq_ctrl_id = 0,
+	.platform_ops = &irq_ops,
+	.extra = &ext_int_extra_init_params
+};
+
+/* External interrupt callback descriptor */
+static struct no_os_callback_desc ext_int_callback_desc = {
+	data_capture_callback,
+	NULL,
+	NULL
+};
+
+/* PWM init parameters */
+static struct no_os_pwm_init_param pwm_init_params = {
+	.id = 0,
+	.period_ns = CONV_TRIGGER_PERIOD_NSEC,			// PWM period in nsec
+	.duty_cycle_ns = CONV_TRIGGER_DUTY_CYCLE_NSEC,	// PWM duty cycle in nsec
+	.extra = &pwm_extra_init_params
+};
+
+/* LED GPO descriptor */
+struct no_os_gpio_desc *led_gpio_desc;
+
+/* UART descriptor */
+struct no_os_uart_desc *uart_desc;
+
+/* External interrupt descriptor */
+struct no_os_irq_ctrl_desc *ext_int_desc;
+
+/* PWM descriptor */
+struct no_os_pwm_desc *pwm_desc;
+
+/******************************************************************************/
+/************************** Functions Declarations ****************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/************************** Functions Definitions *****************************/
+/******************************************************************************/
+
+/**
+ * @brief 	Initialize the GPIOs
+ * @return	0 in case of success, negative error code otherwise
+ */
+static int32_t init_gpio(void)
+{
+	int32_t ret;
+
+	/* Initialize the LED GPO */
+	ret = no_os_gpio_get_optional(&led_gpio_desc, &led_gpio_init_params);
+	if (ret) {
+		return ret;
+	}
+
+	ret = no_os_gpio_direction_output(led_gpio_desc, NO_OS_GPIO_HIGH);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * @brief 	Initialize the UART peripheral
+ * @return	0 in case of success, negative error code otherwise
+ */
+static int32_t init_uart(void)
+{
+	return no_os_uart_init(&uart_desc, &uart_init_params);
+}
+
+/**
+ * @brief 	Initialize the IRQ contoller
+ * @return	0 in case of success, negative error code otherwise
+ */
+static int32_t init_interrupt(void)
+{
+	int32_t ret;
+
+	/* Init interrupt controller for external interrupt */
+	ret = no_os_irq_ctrl_init(&ext_int_desc, &ext_int_init_params);
+	if (ret) {
+		return ret;
+	}
+
+	/* Register a callback function for external interrupt */
+	ret = no_os_irq_register_callback(ext_int_desc,
+					  EXT_INT_ID,
+					  &ext_int_callback_desc);
+	if (ret) {
+		return ret;
+	}
+
+	/* Enable external interrupt */
+	ret = no_os_irq_enable(ext_int_desc, EXT_INT_ID);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * @brief 	Initialize the PWM contoller
+ * @return	0 in case of success, negative error code otherwise
+ */
+static int32_t init_pwm(void)
+{
+	int32_t ret;
+
+	/* Initialize the PWM interface to generate PWM signal
+	 * on conversion trigger event pin */
+	ret = no_os_pwm_init(&pwm_desc, &pwm_init_params);
+	if (ret) {
+		return ret;
+	}
+
+	ret = no_os_pwm_enable(pwm_desc);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * @brief 	Initialize the system peripherals
+ * @return	0 in case of success, negative error code otherwise
+ */
+int32_t init_system(void)
+{
+	int32_t ret;
+
+	ret = init_gpio();
+	if (ret) {
+		return ret;
+	}
+
+	ret = init_uart();
+	if (ret) {
+		return ret;
+	}
+
+#if (DATA_CAPTURE_MODE == CONTINUOUS_DATA_CAPTURE)
+	ret = init_interrupt();
+	if (ret) {
+		return ret;
+	}
+
+	ret = init_pwm();
+	if (ret) {
+		return ret;
+	}
+#endif
+
+#if defined(USE_SDRAM_CAPTURE_BUFFER)
+	ret = sdram_init();
+	if (ret) {
+		return ret;
+	}
+#endif
+
+	return 0;
+}