Diff: app/adt7xxx_support.h

Revision:

7:3e5f6cca357e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/adt7xxx_support.h	Fri Sep 24 15:22:13 2021 +0100
@@ -0,0 +1,74 @@
+/*****************************************************************************
+ *   @file   adt7xxx_support.h
+ *   @brief  Support Header File for adt7xxx
+******************************************************************************
+ * 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.
+*****************************************************************************/
+
+#ifndef _ADT7XXX_SUPPORT_H
+#define _ADT7XXX_SUPPORT_H
+
+/* ADT7420 bit mask */
+#define ADT7420_LSB_MASK	            0x00FF
+#define ADT7420_MSB_MASK	            0xFF00
+#define ADT7420_LSB_OFFSET	            0
+#define ADT7420_MSB_OFFSET          	    8
+#define ADT7420_CONFIG_CT_POL		    BIT(2)
+#define ADT7420_CONFIG_FAULT_QUEUE(x)	    ((x) & 0x3)
+#define ADT7420_CONFIG_INT_POL		    BIT(3)
+#define ADT7420_CONFIG_INT_CT_MODE	    BIT(4)
+#define ADT7420_MASK_SET_PT_REGISTER	    0x00
+
+/* ADT7420_CONFIG_FAULT_QUEUE(x) options */
+#define ADT7420_FAULT_QUEUE_1_FAULT	    0
+#define ADT7420_FAULT_QUEUE_2_FAULTS	    1
+#define ADT7420_FAULT_QUEUE_3_FAULTS	    2
+#define ADT7420_FAULT_QUEUE_4_FAULTS	    3
+
+/* ADT7xxx default ID */
+#define ADT7320_DEFAULT_ID		    0xC3
+#define ADT7420_DEFAULT_ID		    0xCB
+
+typedef enum {
+	REG_TEMP,		// Temperature value
+	REG_STATUS,		// status info
+	REG_CONFIG,		// Configuration
+	REG_T_CRIT,		// Temperature CRIT setpoint (147'C)
+	REG_HIST,		// Temperature HYST setpoint (5'C)
+	REG_T_HIGH,		// Temperature HIGH setpoint (64'C)
+	REG_T_LOW,		// Temperature LOW setpoint (10'C)
+	REG_ID,			// ID value
+	REG_RESET
+} registers_e;
+
+
+/*! Sets the Fault Queue option for ADT7420/ADT7320.*/
+void adt7420_set_fault_queue(struct adt7420_dev *dev,
+			     uint8_t mode);
+
+/*! Sets comparator/interrupt (CT/INT) mode for ADT7420/ADT7320.*/
+void adt7420_set_ct_int_mode(struct adt7420_dev *dev,
+			     uint8_t setting);
+
+/*! Sets output polarity for the pins CT/INT (Critical Temp - Over/Under Temp).*/
+void adt7420_set_ct_int_polarity(struct adt7420_dev *dev,
+				 uint8_t polarity);
+
+/*! Writes data to temperature registers*/
+uint8_t adt7420_wr_setpoint_reg(struct adt7420_dev *device,
+				uint8_t register_value,
+				uint16_t data);
+
+/*! Get the register address of write type registers */
+uint16_t configure_write_type_registers(struct adt7420_dev *dev,
+					uint8_t register_address);
+
+/*! Get the register address based on the register type enum- registers_e */
+uint16_t adt7420_get_register_address_and_value(struct adt7420_dev *dev,
+			    uint8_t register_address);
+#endif // _ADT7XXX_SUPPORT_H
\ No newline at end of file