Diff: max317275_cpp.cpp

Revision:

25:93287f99d225

Parent:

24:b4fdbbe79036

--- a/max317275_cpp.cpp	Wed Apr 17 21:28:29 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,208 +0,0 @@
-/*******************************************************************************
-* 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.
-*******************************************************************************
-*/
-#include "max31725.h"
-#include "max31725_cpp.h"
-#include "mbed.h" 
-// #include "USBSerial.h"
-
-/******************************************************************************
- *  C++ version for MAX31725 driver                                           *
- ******************************************************************************
- */
-
-/******************************************************************************/
-MAX31725::MAX31725(I2C &i2c_bus, uint8_t slave_address):
-m_i2c(i2c_bus), 
-m_write_address(slave_address <<1),
-m_read_address ((slave_address << 1) | 1)
-{
-        max31725_extended_format = 0;
-}
- 
-/******************************************************************************/
-MAX31725::~MAX31725(void) 
-{
-  /** empty block */
-}
-
-/******************************************************************************/
-int MAX31725::read_cfg_reg(uint8_t *value) 
-{
-    int32_t ret;
-    char data[1] = {0};
-    char reg = MAX31725_REG_CONFIGURATION;
-
-    /* write to the Register Select, true is for repeated start */
-    ret = m_i2c.write(m_write_address, &reg, 1, true);
-    if (ret == 0) {
-        ret = m_i2c.read(m_read_address, data, 1, false);
-        if (ret == 0) {
-            *value = data[0];
-            return MAX31725_NO_ERROR;
-        } else {
-            printf(
-                "%s: failed to read data: ret: %d\r\n", __func__, ret);
-            }
-    } else {                
-        printf("%s: failed to write to Register Select: ret: %d\r\n",
-            __func__, ret);
-    }
-    return MAX31725_ERROR;
-}
-
-/******************************************************************************/
-int MAX31725::read_reg16(int16_t *value, char reg) 
-{
-    int32_t ret;
-    char data[2] = {0, 0};
-    max31725_raw_data tmp;
-     
-    if (reg == MAX31725_REG_TEMPERATURE || 
-        reg == MAX31725_REG_THYST_LOW_TRIP || reg == MAX31725_REG_TOS_HIGH_TRIP) {
-        /* write to the Register Select, true is for repeated start */
-        ret = m_i2c.write(m_write_address, &reg, 1, true);
-        /* read the two bytes of data */
-        if (ret == 0) {
-            ret = m_i2c.read(m_read_address, data, 2, false);
-            if (ret == 0) {
-                tmp.msb = data[0];
-                tmp.lsb = data[1];
-                *value = tmp.swrd;
-                return MAX31725_NO_ERROR;
-            } else {
-                printf(
-                    "%s: failed to read data: ret: %d\r\n", __func__, ret);
-            }
-        } else {                
-            printf("%s: failed to write to Register Select: ret: %d\r\n",
-                __func__, ret);
-        }
-    } else {
-        printf("%s: register address is not correct: register: %d\r\n",
-                __func__, reg);
-    }                
-    return MAX31725_ERROR;
-}
-
-/******************************************************************************/
-float MAX31725::read_reg_as_temperature(uint8_t reg)
-{
-    max31725_raw_data tmp;
-    float temperature;
-    if (reg == MAX31725_REG_TEMPERATURE ||
-        reg == MAX31725_REG_THYST_LOW_TRIP || reg == MAX31725_REG_TOS_HIGH_TRIP) {
-        read_reg16(&tmp.swrd, reg);
-        temperature = (float)tmp.swrd;  /* values are 2's complement */
-        temperature *= MAX31725_CF_LSB;
-        if (reg == MAX31725_REG_TEMPERATURE && max31725_extended_format)
-            temperature += MAX31725_EXTENDED_FORMAT_OFFSET;
-
-        return temperature;
-    } else {
-        printf("%s: register is invalid, %d r\n", __func__, reg);
-        return 0;
-    }
-}
-
-/******************************************************************************/
-int MAX31725::write_reg16(int16_t value, char reg) 
-{
-    int32_t ret;
-    char cmd[3];
-    max31725_raw_data tmp;
-
-    if (reg >= MAX31725_REG_THYST_LOW_TRIP && reg <= MAX31725_REG_MAX) {
-        cmd[0] = reg;
-        tmp.swrd = value;
-        cmd[1] = tmp.msb;
-        cmd[2] = tmp.lsb;
-        ret = m_i2c.write(m_write_address, cmd, 3, false);
-        if (ret == 0) {
-            return MAX31725_NO_ERROR;
-        } else {
-            printf("%s: I2C write error %d\r\n",__func__, ret);
-            return MAX31725_ERROR;
-        }
-    } else {
-        printf("%s: register value invalid %x\r\n",__func__, reg);
-        return MAX31725_ERROR;
-    }
-}
-
-
-/******************************************************************************/
-int MAX31725::write_cfg_reg(uint8_t cfg)
-{
-    int32_t ret;
-    char cmd[2];
-
-    cmd[0] = MAX31725_REG_CONFIGURATION;
-    cmd[1] = cfg;
-    ret = m_i2c.write(m_write_address, cmd, 2, false);
-    if (ret == 0) {
-        max31725_extended_format = 0;
-        if (cfg & MAX31725_CFG_EXTENDED_FORMAT)
-            max31725_extended_format = 1;
-
-        return MAX31725_NO_ERROR;
-    } else {
-        printf("%s: I2C write error %d\r\n",__func__, ret);
-        return MAX31725_ERROR;
-    }
-}
-
-/******************************************************************************/
-int MAX31725::write_trip_low_thyst(float temperature)
-{
-    max31725_raw_data raw;
-    temperature /= MAX31725_CF_LSB;
-    raw.swrd = int16_t(temperature);
-    return write_reg16(raw.swrd, MAX31725_REG_THYST_LOW_TRIP);
-}
-
-/******************************************************************************/
-int MAX31725::write_trip_high_tos(float temperature)
-{
-    max31725_raw_data raw;
-    temperature /= MAX31725_CF_LSB;
-    raw.swrd = int16_t(temperature);
-    return write_reg16(raw.uwrd, MAX31725_REG_TOS_HIGH_TRIP);
-}
-
-/******************************************************************************/
-float MAX31725::celsius_to_fahrenheit(float temp_c)
-{
-    float temp_f;
-    temp_f = ((temp_c * 9)/5) + 32;
-    return temp_f;
-}
\ No newline at end of file