Toru OHTSUKA / LPS331_SPI

STMicroelectronics LPS331AP, LPS25H SPI Library. This library is base on https://developer.mbed.org/users/nyamfg/code/LPS331_I2C/

Dependents:   LPS331_SPI_Test main_SPC

Fork of LPS331_I2C by NYA Manufacturing

LPS331_SPI.h@3:5a56dd5131bb, 2016-07-28 (annotated)

Committer:
ohtsuka
Date:
Thu Jul 28 09:28:02 2016 +0000
Revision:
3:5a56dd5131bb
Parent:
2:c2aa9cfc45c2
Child:
4:af2153bce185
replace string "I2C" to "SPI", and add credit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nyamfg 0:3fd57444bc65 1 /*
ohtsuka 3:5a56dd5131bb 2 * I2C/SPI digital pressure sensor "LPS331AP" library for SPI mode.
nyamfg 0:3fd57444bc65 3 *
nyamfg 0:3fd57444bc65 4 * http://www.st.com/web/en/resource/technical/document/datasheet/DM00036196.pdf
nyamfg 0:3fd57444bc65 5 *
ohtsuka 3:5a56dd5131bb 6 * Copyright(c) -2016 Toru OHTSUKA,
nyamfg 0:3fd57444bc65 7 * Copyright(c) -2013 unos@NYAMFG,
nyamfg 0:3fd57444bc65 8 * Released under the MIT License: http://mbed.org/license/mit
nyamfg 0:3fd57444bc65 9 *
nyamfg 1:b7d3d6e82049 10 * revision 1.1 22-Oct-2013 Add multibyte read, Change temperature and pressure reading method.
nyamfg 0:3fd57444bc65 11 * revision 1.0 20-Oct-2013 1st release, Does not support interrupts.
nyamfg 0:3fd57444bc65 12 */
nyamfg 0:3fd57444bc65 13
ohtsuka 3:5a56dd5131bb 14 #ifndef LPS331_SPI_H
ohtsuka 3:5a56dd5131bb 15 #define LPS331_SPI_H
nyamfg 0:3fd57444bc65 16
nyamfg 0:3fd57444bc65 17 #include "mbed.h"
nyamfg 0:3fd57444bc65 18
nyamfg 0:3fd57444bc65 19 // SA0 status configuration values.
ohtsuka 3:5a56dd5131bb 20 #define LPS331_SPI_SA0_HIGH true
ohtsuka 3:5a56dd5131bb 21 #define LPS331_SPI_SA0_LOW false
nyamfg 0:3fd57444bc65 22
nyamfg 0:3fd57444bc65 23 // Pressure configuration values.
ohtsuka 3:5a56dd5131bb 24 #define LPS331_SPI_PRESSURE_AVG_1 0x00
ohtsuka 3:5a56dd5131bb 25 #define LPS331_SPI_PRESSURE_AVG_2 0x01
ohtsuka 3:5a56dd5131bb 26 #define LPS331_SPI_PRESSURE_AVG_4 0x02
ohtsuka 3:5a56dd5131bb 27 #define LPS331_SPI_PRESSURE_AVG_8 0x03
ohtsuka 3:5a56dd5131bb 28 #define LPS331_SPI_PRESSURE_AVG_16 0x04
ohtsuka 3:5a56dd5131bb 29 #define LPS331_SPI_PRESSURE_AVG_32 0x05
ohtsuka 3:5a56dd5131bb 30 #define LPS331_SPI_PRESSURE_AVG_64 0x06
ohtsuka 3:5a56dd5131bb 31 #define LPS331_SPI_PRESSURE_AVG_128 0x07
ohtsuka 3:5a56dd5131bb 32 #define LPS331_SPI_PRESSURE_AVG_256 0x08
ohtsuka 3:5a56dd5131bb 33 #define LPS331_SPI_PRESSURE_AVG_384 0x09
ohtsuka 3:5a56dd5131bb 34 #define LPS331_SPI_PRESSURE_AVG_512 0x0a
nyamfg 0:3fd57444bc65 35
nyamfg 0:3fd57444bc65 36 // Temperature configuration values.
ohtsuka 3:5a56dd5131bb 37 #define LPS331_SPI_TEMP_AVG_1 0x00
ohtsuka 3:5a56dd5131bb 38 #define LPS331_SPI_TEMP_AVG_2 0x01
ohtsuka 3:5a56dd5131bb 39 #define LPS331_SPI_TEMP_AVG_4 0x02
ohtsuka 3:5a56dd5131bb 40 #define LPS331_SPI_TEMP_AVG_8 0x03
ohtsuka 3:5a56dd5131bb 41 #define LPS331_SPI_TEMP_AVG_16 0x04
ohtsuka 3:5a56dd5131bb 42 #define LPS331_SPI_TEMP_AVG_32 0x05
ohtsuka 3:5a56dd5131bb 43 #define LPS331_SPI_TEMP_AVG_64 0x06
ohtsuka 3:5a56dd5131bb 44 #define LPS331_SPI_TEMP_AVG_128 0x07
nyamfg 0:3fd57444bc65 45
nyamfg 0:3fd57444bc65 46 // Data Rate Pressure / Temperature
ohtsuka 3:5a56dd5131bb 47 #define LPS331_SPI_DATARATE_ONESHOT 0x00 // OneShot OneShot
ohtsuka 3:5a56dd5131bb 48 #define LPS331_SPI_DATARATE_1HZ 0x01 // 1Hz 1Hz
ohtsuka 3:5a56dd5131bb 49 #define LPS331_SPI_DATARATE_7HZ 0x02 // 7Hz 1Hz
ohtsuka 3:5a56dd5131bb 50 #define LPS331_SPI_DATARATE_12_5HZ 0x03 // 12.5Hz 1Hz
ohtsuka 3:5a56dd5131bb 51 #define LPS331_SPI_DATARATE_25HZ 0x04 // 25Hz 1Hz
ohtsuka 3:5a56dd5131bb 52 #define LPS331_SPI_DATARATE_7HZ_T 0x05 // 7Hz 7Hz
ohtsuka 3:5a56dd5131bb 53 #define LPS331_SPI_DATARATE_12_5HZ_T 0x06 // 12.5Hz 12.5Hz
ohtsuka 3:5a56dd5131bb 54 #define LPS331_SPI_DATARATE_25HZ_T 0x07 // 25Hz 25Hz (*)
nyamfg 0:3fd57444bc65 55 // (*) Not allowed with PRESSURE_AVG_512 & TEMP_AVG_128.
nyamfg 0:3fd57444bc65 56 // More information , see datasheet.
nyamfg 0:3fd57444bc65 57
nyamfg 0:3fd57444bc65 58 // I2C Address.
ohtsuka 3:5a56dd5131bb 59 #define LPS331_SPI_ADDRESS_SA0_HIGH 0xba
ohtsuka 3:5a56dd5131bb 60 #define LPS331_SPI_ADDRESS_SA0_LOW 0xb8
nyamfg 0:3fd57444bc65 61
ohtsuka 3:5a56dd5131bb 62 class LPS331_SPI
nyamfg 0:3fd57444bc65 63 {
nyamfg 0:3fd57444bc65 64 public:
ohtsuka 3:5a56dd5131bb 65 LPS331_SPI(PinName sda, PinName scl, bool sa0);
ohtsuka 3:5a56dd5131bb 66 ~LPS331_SPI();
nyamfg 0:3fd57444bc65 67
nyamfg 0:3fd57444bc65 68 char whoami();
nyamfg 0:3fd57444bc65 69 bool isAvailable();
nyamfg 0:3fd57444bc65 70
nyamfg 0:3fd57444bc65 71 void setResolution(char pressure_avg, char temp_avg);
nyamfg 0:3fd57444bc65 72 void setActive(bool is_active);
nyamfg 0:3fd57444bc65 73 void setDataRate(char datarate);
nyamfg 0:3fd57444bc65 74
nyamfg 0:3fd57444bc65 75 float getPressure();
nyamfg 0:3fd57444bc65 76 float getTemperature();
nyamfg 0:3fd57444bc65 77
nyamfg 0:3fd57444bc65 78 void _write(char subaddress, char data);
nyamfg 0:3fd57444bc65 79 char _read(char subaddress);
nyamfg 1:b7d3d6e82049 80 void _read_multibyte(char startsubaddress, char* data, char count);
nyamfg 0:3fd57444bc65 81
nyamfg 0:3fd57444bc65 82 private:
nyamfg 0:3fd57444bc65 83 I2C _i2c;
nyamfg 0:3fd57444bc65 84 char _address;
nyamfg 0:3fd57444bc65 85 char _ctrlreg1;
nyamfg 0:3fd57444bc65 86 };
nyamfg 0:3fd57444bc65 87
nyamfg 0:3fd57444bc65 88
ohtsuka 3:5a56dd5131bb 89 #endif /* LPC331_SPI_H */
nyamfg 0:3fd57444bc65 90