Diff: app/app_config.c

Revision:

0:6ca37a8f8ba9

diff -r 000000000000 -r 6ca37a8f8ba9 app/app_config.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/app_config.c	Wed Jul 27 17:04:15 2022 +0530
@@ -0,0 +1,158 @@
+/***************************************************************************//**
+ *   @file    app_config.c
+ *   @brief   Application configurations module
+********************************************************************************
+ * Copyright (c) 2022 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 "app_config.h"
+#include "no_os_uart.h"
+#include "ad4110_data_capture.h"
+
+/******************************************************************************/
+/************************ Macros/Constants ************************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/*************************** Types Declarations *******************************/
+/******************************************************************************/
+
+/* UART init parameters */
+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
+};
+
+/* GPIO - Chip select Pin init parameters */
+static struct no_os_gpio_init_param csb_init_param = {
+	.number = SPI_CSB,
+	.platform_ops = &csb_platform_ops
+};
+
+#if (DATA_CAPTURE_MODE == CONTINUOUS_DATA_CAPTURE)
+/* External interrupt init parameters */
+static struct no_os_irq_init_param ext_int_init_params = {
+	.irq_ctrl_id = 0,
+	.extra = &ext_int_extra_init_params,
+	.platform_ops = &irq_platform_ops,
+};
+/* External interrupt callback descriptor */
+static struct no_os_callback_desc ext_int_callback_desc = {
+	data_capture_callback,
+	NULL,
+	NULL
+};
+#endif
+
+/* UART descriptor */
+struct no_os_uart_desc *uart_desc;
+
+/* GPIO descriptor for the chip select pin */
+no_os_gpio_desc *csb_gpio;
+
+/* External interrupt descriptor */
+struct no_os_irq_ctrl_desc *external_int_desc;
+
+/******************************************************************************/
+/************************ Functions Prototypes ********************************/
+/******************************************************************************/
+
+/******************************************************************************/
+/************************ Functions Definitions *******************************/
+/******************************************************************************/
+
+/**
+ * @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);
+}
+
+
+#if (DATA_CAPTURE_MODE == CONTINUOUS_DATA_CAPTURE)
+/**
+ * @brief Initialize the IRQ contoller
+ * @return 0 in case of success, negative error code otherwise
+ * @details This function initialize the interrupts for system peripherals
+ */
+int32_t init_interrupt(void)
+{
+	int32_t ret;
+
+	do {
+		/* Init interrupt controller for external interrupt */
+		ret = no_os_irq_ctrl_init(&external_int_desc, &ext_int_init_params);
+		if (ret) {
+			break;
+		}
+
+		/* Register a callback function for external interrupt */
+		ret = no_os_irq_register_callback(external_int_desc,
+						  IRQ_INT_ID,
+						  &ext_int_callback_desc);
+		if (ret) {
+			break;
+		}
+
+		return 0;
+	} while (0);
+
+	return ret;
+}
+#endif
+
+
+/**
+ * @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_uart();
+	if (ret) {
+		return ret;
+	}
+
+#if defined(USE_SDRAM_CAPTURE_BUFFER)
+	ret = sdram_init();
+	if (ret) {
+		return ret;
+	}
+#endif
+
+#if (DATA_CAPTURE_MODE == CONTINUOUS_DATA_CAPTURE)
+	ret = init_interrupt();
+	if (ret) {
+		return ret;
+	}
+
+	ret = no_os_gpio_get(&csb_gpio, &csb_init_param);
+	if (ret) {
+		return ret;
+	}
+
+	ret = no_os_gpio_direction_output(csb_gpio, NO_OS_GPIO_HIGH);
+	if (ret) {
+		return ret;
+	}
+#endif
+
+	return 0;
+}
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