Diff: app/ad4696_support.c

Revision:

1:8792acb5a039

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/ad4696_support.c	Thu Sep 30 11:01:05 2021 +0530
@@ -0,0 +1,94 @@
+/*************************************************************************//**
+ *   @file   ad4696_support.c
+ *   @brief  AD469x device No-OS driver supports
+******************************************************************************
+* 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 <stdint.h>
+
+#include "app_config.h"
+#include "ad4696_support.h"
+#include "error.h"
+
+/******************************************************************************/
+/********************** Macros and Constants Definition ***********************/
+/******************************************************************************/
+
+/******************************************************************************/
+/********************** Variables and User Defined Data Types *****************/
+/******************************************************************************/
+
+/******************************************************************************/
+/************************ Functions Definitions *******************************/
+/******************************************************************************/
+/*!
+ * @brief	Enter Manual Trigger mode
+ * @param	device[in] - device instance
+ * @return	SUCCESS in case of success, negative error code otherwise.
+ */
+int32_t ad4696_enable_manual_trigger_mode(struct ad469x_dev *device)
+{
+	do 
+	{
+		if (ad469x_spi_reg_write(device,
+			AD469x_REG_SETUP, 
+			AD469x_REG_SETUP_RESET) != SUCCESS) {
+			break;
+		}
+	
+		if (ad469x_spi_reg_write(device,
+			AD469x_REG_SEQ_CTRL, 
+			AD469x_REG_SEQ_CTRL_RESET) != SUCCESS) {
+			break;
+		}
+
+		return SUCCESS;
+	} while (0);
+	
+	return FAILURE;
+}
+
+/*!
+ * @brief	Select between polarity modes
+ * @param	device[in] - device instance
+ * @return	SUCCESS in case of success, negative error code otherwise.
+ */
+int32_t ad4696_polarity_mode_select(struct ad469x_dev *device)
+{
+	uint8_t data = 0;
+
+	for (uint8_t i = 0; i < AD469x_CHANNEL_NO;i++)
+	{
+		if (ad469x_spi_reg_read(device,
+			AD469x_REG_CONFIG_IN(i), 
+			&data) != SUCCESS) {
+			return FAILURE;
+		}
+		
+#if defined(PSEUDO_BIPOLAR_MODE)		 
+		data |= (AD469x_REG_CONFIG_IN_PAIR(AD469x_PSEUDO_BIPOLAR_MODE)
+				| AD469x_REG_CONFIG_IN_MODE(AD469x_INx_COM));
+#else
+		data |= (AD469x_REG_CONFIG_IN_PAIR(AD469x_UNIPOLAR_MODE)
+				| AD469x_REG_CONFIG_IN_MODE(AD469x_INx_REF_GND));
+#endif
+		
+		if (ad469x_spi_reg_write(device,
+			AD469x_REG_CONFIG_IN(i), 
+			data) != SUCCESS) {
+			return FAILURE;
+		}
+	}
+	return SUCCESS;
+}