Diff: max31725.h

Revision:

20:c9805b01e814

Child:

22:692515ac2bb7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/max31725.h	Tue Apr 09 07:00:32 2019 +0000
@@ -0,0 +1,100 @@
+/*******************************************************************************
+* Copyright (C) 2019 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+*******************************************************************************
+* @file MAX31725.h
+*******************************************************************************
+*/
+#ifndef MAX31725_H
+#define MAX31725_H
+#include "mbed.h"
+
+#define MAX31725_NO_ERROR   0
+#define MAX31725_ERROR      -1
+
+#define MAX31725_REG_TEMPERATURE      0X00
+#define MAX31725_REG_CONFIGURATION    0X01
+#define MAX31725_REG_THYST_LOW_TRIP   0X02 
+#define MAX31725_REG_TOS_HIGH_TRIP    0X03 
+#define MAX31725_REG_MAX              0X03
+
+#define WAIT_MARGIN (0.0000)
+#define MAX31725_WAIT_CONV_TIME  (.050+WAIT_MARGIN)
+
+#define MAX31725_CFG_CONTINUOUS       (0X00 << 0)
+#define MAX31725_CFG_SHUTDOWN         (0X01 << 0)
+
+#define MAX31725_CFG_COMPARATOR_MODE  (0X00 << 1)
+#define MAX31725_CFG_INTERRUPT_MODE   (0X01 << 1)
+
+#define MAX31725_CFG_OS_POLARITY_ACT_LOW  (0x00 << 2)
+#define MAX31725_CFG_OS_POLARITY_ACT_HIGH (0x01 << 2)
+
+#define MAX31725_CFG_FAULT_FILTER_1   (0x00 << 3)
+#define MAX31725_CFG_FAULT_FILTER_2   (0x01 << 3)
+#define MAX31725_CFG_FAULT_FILTER_4   (0x02 << 3)
+#define MAX31725_CFG_FAULT_FILTER_6   (0x03 << 3)
+
+#define MAX31725_CFG_NORMAL_FORMAT    (0x00 << 5)
+#define MAX31725_CFG_EXTENDED_FORMAT  (0x01 << 5)  /* add 64°C to temperature */
+#define MAX31725_EXTENDED_FORMAT_OFFSET (64.0f)
+#define MAX31725_CFG_TIMEOUT_ENABLE   (0X00 << 6)
+#define MAX31725_CFG_TIMEOUT_DISABLE  (0X01 << 6)
+#define MAX31725_CFG_ONE_SHOT_START   (0X01 << 7)
+
+
+#define MAX31725_I2C_SLAVE_ADR_R0 (0x90 >> 1) // code uses the 7 bit address
+#define MAX31725_I2C_SLAVE_ADR_R1 (0x92 >> 1)
+#define MAX31725_I2C_SLAVE_ADR_R2 (0x94 >> 1)
+#define MAX31725_I2C_SLAVE_ADR_R3 (0x96 >> 1)
+#define MAX31725_I2C_SLAVE_ADR_R4 (0x98 >> 1)
+#define MAX31725_I2C_SLAVE_ADR_R5 (0x9A >> 1)
+#define MAX31725_I2C_SLAVE_ADR_R6 (0x9C >> 1)
+#define MAX31725_I2C_SLAVE_ADR_R7 (0x9E >> 1)
+
+#define MAX31725_CF_LSB           (0.00390625F)
+
+/** @union max31725_raw_data
+ * @brief union data structure for byte word manipulations
+ */
+union max31725_raw_data {
+    struct {
+        uint8_t lsb;
+        uint8_t msb;
+    };
+    struct {
+        uint16_t magnitude_bits:15;
+        uint16_t sign_bit:1;
+    };
+    uint16_t uwrd;
+    int16_t swrd;
+};
+
+#endif/* MAX31875_H */
\ No newline at end of file