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added CC2541 8051 example

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strawmanbobi
2019-07-25 18:12:39 +08:00
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cc25xx-8051-example/ti/BLE-CC254x/Components/hal/target/CC2541ST/hal_irtemp.c Normal file
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/**************************************************************************************************
Filename: hal_irtemp.c
Revised: $Date: 2013-04-05 07:25:57 -0700 (Fri, 05 Apr 2013) $
Revision: $Revision: 33773 $
Description: Driver for the TI TMP06 infrared thermophile sensor.
Copyright 2012-2013 Texas Instruments Incorporated. All rights reserved.
IMPORTANT: Your use of this Software is limited to those specific rights
granted under the terms of a software license agreement between the user
who downloaded the software, his/her employer (which must be your employer)
and Texas Instruments Incorporated (the "License"). You may not use this
Software unless you agree to abide by the terms of the License. The License
limits your use, and you acknowledge, that the Software may not be modified,
copied or distributed unless embedded on a Texas Instruments microcontroller
or used solely and exclusively in conjunction with a Texas Instruments radio
frequency transceiver, which is integrated into your product. Other than for
the foregoing purpose, you may not use, reproduce, copy, prepare derivative
works of, modify, distribute, perform, display or sell this Software and/or
its documentation for any purpose.
YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT,
NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
(INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
Should you have any questions regarding your right to use this Software,
contact Texas Instruments Incorporated at www.TI.com.
**************************************************************************************************/
/* ------------------------------------------------------------------------------------------------
* Includes
* ------------------------------------------------------------------------------------------------
*/
#include "hal_irtemp.h"
#include "hal_i2c.h"
#include "hal_sensor.h"
/* ------------------------------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------------------------------
*/
/* Slave address */
#define TMP006_I2C_ADDRESS 0x44
/* TMP006 register addresses */
#define TMP006_REG_ADDR_VOLTAGE 0x00
#define TMP006_REG_ADDR_TEMPERATURE 0x01
#define TMP006_REG_ADDR_CONFIG 0x02
#define TMP006_REG_MANF_ID 0xFE
#define TMP006_REG_PROD_ID 0xFE
/* TMP006 register values */
#define TMP006_VAL_CONFIG_RESET 0x7400 // Sensor reset state
#define TMP006_VAL_CONFIG_ON 0x7000 // Sensor on state
#define TMP006_VAL_CONFIG_OFF 0x0000 // Sensor off state
#define TMP006_VAL_MANF_ID 0x5449 // Manufacturer ID
#define TMP006_VAL_PROD_ID 0x0067 // Product ID
/* Bit values */
#define DATA_RDY_BIT 0x8000 // Data ready
/* Register length */
#define IRTEMP_REG_LEN 2
/* ------------------------------------------------------------------------------------------------
* Local Functions
* ------------------------------------------------------------------------------------------------
*/
static void HalIRTempSelect(void);
/* ------------------------------------------------------------------------------------------------
* Local Variables
* ------------------------------------------------------------------------------------------------
*/
static IRTemperature_States_t irtSensorState = TMP006_OFF;
static uint8 configSensorReset[2] = {0x80, 0x00}; // Sensor reset
static uint8 configSensorOff[2] = {0x00, 0x80}; // Sensor standby
static uint8 configSensorOn[2] = {0x70, 0x00}; // Conversion time 0.25 sec
/* ------------------------------------------------------------------------------------------------
* Public functions
* -------------------------------------------------------------------------------------------------
*/
/**************************************************************************************************
* @fn HALIRTempInit
*
* @brief Initialise the temperature sensor driver
*
* @return none
**************************************************************************************************/
void HALIRTempInit(void)
{
irtSensorState = TMP006_OFF;
HalIRTempTurnOff();
}
/**************************************************************************************************
* @fn HalIRTempTurnOn
*
* @brief Turn the sensor on
*
* @return none
**************************************************************************************************/
void HalIRTempTurnOn(void)
{
HalDcDcControl(ST_IRTEMP,true);
HalIRTempSelect();
if (HalSensorWriteReg(TMP006_REG_ADDR_CONFIG, configSensorOn, IRTEMP_REG_LEN))
{
irtSensorState = TMP006_IDLE;
}
}
/**************************************************************************************************
* @fn HalIRTempTurnOff
*
* @brief Turn the sensor off
*
* @return none
**************************************************************************************************/
void HalIRTempTurnOff(void)
{
HalIRTempSelect();
if (HalSensorWriteReg(TMP006_REG_ADDR_CONFIG, configSensorOff, IRTEMP_REG_LEN))
{
irtSensorState = TMP006_OFF;
}
HalDcDcControl(ST_IRTEMP,false);
}
/**************************************************************************************************
* @fn HalIRTempRead
*
* @brief Read the sensor voltage and sensor temperature registers
*
* @param Voltage and temperature in raw format (2 + 2 bytes)
*
* @return TRUE if valid data
**************************************************************************************************/
bool HalIRTempRead(uint8 *pBuf)
{
uint16 v;
uint16 t;
bool success;
if (irtSensorState != TMP006_DATA_READY)
{
return FALSE;
}
HalIRTempSelect();
// Read the sensor registers
success = HalSensorReadReg(TMP006_REG_ADDR_VOLTAGE, (uint8 *)&v,IRTEMP_REG_LEN );
if (success)
{
success = HalSensorReadReg(TMP006_REG_ADDR_TEMPERATURE, (uint8 *)&t,IRTEMP_REG_LEN );
}
if (success)
{
// Store values
pBuf[0] = HI_UINT16( v );
pBuf[1] = LO_UINT16( v );
pBuf[2] = HI_UINT16( t );
pBuf[3] = LO_UINT16( t );
}
// Turn off sensor
if (HalSensorWriteReg(TMP006_REG_ADDR_CONFIG, configSensorOff, IRTEMP_REG_LEN))
{
irtSensorState = TMP006_OFF;
}
HalDcDcControl(ST_IRTEMP,false);
return success;
}
/**************************************************************************************************
* @fn HalIRTempStatus
*
* @brief Read the state of the sensor
*
* @return none
**************************************************************************************************/
IRTemperature_States_t HalIRTempStatus(void)
{
if (irtSensorState != TMP006_OFF)
{
bool success;
uint16 v;
// Select this sensor on the I2C bus
HalIRTempSelect();
// Read the data ready bit
success = HalSensorReadReg(TMP006_REG_ADDR_CONFIG, (uint8 *)&v,IRTEMP_REG_LEN );
if ((v & DATA_RDY_BIT) && success)
{
irtSensorState = TMP006_DATA_READY;
}
}
return irtSensorState;
}
/**************************************************************************************************
* @fn HalIRTempTest
*
* @brief Run a sensor self-test
*
* @return TRUE if passed, FALSE if failed
**************************************************************************************************/
bool HalIRTempTest(void)
{
uint16 val;
// Select this sensor on the I2C bus
HalIRTempSelect();
// Check manufacturer ID
ST_ASSERT(HalSensorReadReg(TMP006_REG_MANF_ID, (uint8 *)&val, IRTEMP_REG_LEN));
val = (LO_UINT16(val) << 8) | HI_UINT16(val);
ST_ASSERT(val == TMP006_VAL_MANF_ID);
// Reset sensor
ST_ASSERT(HalSensorWriteReg(TMP006_REG_ADDR_CONFIG, configSensorReset, IRTEMP_REG_LEN));
// Check config register (reset)
ST_ASSERT(HalSensorReadReg(TMP006_REG_ADDR_CONFIG, (uint8 *)&val, IRTEMP_REG_LEN));
val = ((LO_UINT16(val) << 8) | HI_UINT16(val));
ST_ASSERT(val == TMP006_VAL_CONFIG_RESET);
// Turn sensor off
ST_ASSERT(HalSensorWriteReg(TMP006_REG_ADDR_CONFIG, configSensorOff,IRTEMP_REG_LEN));
// Check config register (off)
ST_ASSERT(HalSensorReadReg(TMP006_REG_ADDR_CONFIG, (uint8 *)&val, IRTEMP_REG_LEN));
val = ((LO_UINT16(val) << 8) | HI_UINT16(val));
ST_ASSERT(val == TMP006_VAL_CONFIG_OFF);
// Turn sensor on
ST_ASSERT(HalSensorWriteReg(TMP006_REG_ADDR_CONFIG, configSensorOn, IRTEMP_REG_LEN));
// Check config register (on)
ST_ASSERT(HalSensorReadReg(TMP006_REG_ADDR_CONFIG, (uint8 *)&val, IRTEMP_REG_LEN));
val = ((LO_UINT16(val) << 8) | HI_UINT16(val));
ST_ASSERT(val == TMP006_VAL_CONFIG_ON);
// Turn sensor off
ST_ASSERT(HalSensorWriteReg(TMP006_REG_ADDR_CONFIG, configSensorOff, IRTEMP_REG_LEN));
return TRUE;
}
/* ------------------------------------------------------------------------------------------------
* Private functions
* -------------------------------------------------------------------------------------------------
*/
/**************************************************************************************************
* @fn HalIRTempSelect
*
* @brief Select the TMP006 slave and set the I2C bus speed
*
* @return none
**************************************************************************************************/
static void HalIRTempSelect(void)
{
// Select slave and set clock rate
HalI2CInit(TMP006_I2C_ADDRESS, i2cClock_533KHZ);
}
/* Conversion algorithm for die temperature
* ================================================
*
double calcTmpLocal(uint16 rawT)
{
//-- calculate die temperature [°C] --
m_tmpAmb = (double)((qint16)rawT)/128.0;
return m_tmpAmb;
}
*
* Conversion algorithm for target temperature
*
double calcTmpTarget(uint16 rawT)
{
//-- calculate target temperature [°C] -
double Vobj2 = (double)(qint16)rawT;
Vobj2 *= 0.00000015625;
double Tdie2 = m_tmpAmb + 273.15;
const double S0 = 6.4E-14; // Calibration factor
const double a1 = 1.75E-3;
const double a2 = -1.678E-5;
const double b0 = -2.94E-5;
const double b1 = -5.7E-7;
const double b2 = 4.63E-9;
const double c2 = 13.4;
const double Tref = 298.15;
double S = S0*(1+a1*(Tdie2 - Tref)+a2*pow((Tdie2 - Tref),2));
double Vos = b0 + b1*(Tdie2 - Tref) + b2*pow((Tdie2 - Tref),2);
double fObj = (Vobj2 - Vos) + c2*pow((Vobj2 - Vos),2);
double tObj = pow(pow(Tdie2,4) + (fObj/S),.25);
tObj = (tObj - 273.15);
return tObj;
}
*/
/*********************************************************************
*********************************************************************/