Revision 1:52ab0453b01d, committed 2015-04-24

Comitter:

frada

Date:

Fri Apr 24 18:53:08 2015 +0000

Parent:

0:f0809a7877ff

Commit message:

Fork of MS5803-Demo by Raig Kaufer

Changed in this revision

--- a/MS5803/MS5803.cpp	Sat Apr 07 14:18:42 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,106 +0,0 @@
-/*
-    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 THE
-    AUTHORS OR COPYRIGHT HOLDERS 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.
-
-  * Barometer Sensor (Altimeter) MS5803-01BA of MEAS Switzerland     (www.meas-spec.com).
-  * The driver uses I2C mode (sensor PS pin low).
-  * Other types of MEAS are compatible but not tested.
-  * Written by Raig Kaufer distribute freely!
- */
-
-#include <stdlib.h>
-#include "MS5803.h"
-
-
-/*
- * Sensor operating function according data sheet
- */
-
-/* Send soft reset to the sensor */
-void MS5803::MS5803Reset(void) {
-    /* transmit out 1 byte reset command */
-    ms5803_tx_data[0] = ms5803_reset;
-    if ( i2c.write( device_address,  ms5803_tx_data, 1 ) );
-    wait_ms(20);
-}
-
-/* read the sensor calibration data from rom */
-void MS5803::MS5803ReadProm(void) {
-    uint8_t i,j;
-    for (i=0; i<8; i++) {
-        j = i;
-        ms5803_tx_data[0] = ms5803_PROMread + (j<<1);
-        if ( i2c.write( device_address,  ms5803_tx_data, 1 ) );
-        if ( i2c.read( device_address,  ms5803_rx_data, 2 ) );
-        C[i]   = ms5803_rx_data[1] + (ms5803_rx_data[0]<<8);
-    }
-}
-
-/* Start the sensor pressure conversion */
-void MS5803::MS5803ConvertD1(void) {
-    ms5803_tx_data[0] = ms5803_convD1;
-    if ( i2c.write( device_address,  ms5803_tx_data, 1 ) );
-}
-
-/* Start the sensor temperature conversion */
-void MS5803:: MS5803ConvertD2(void) {
-    ms5803_tx_data[0] = ms5803_convD2;
-    if ( i2c.write( device_address,  ms5803_tx_data, 1 ) );
-}
-
-/* Read the privious started conversion results */
-int32_t MS5803::MS5803ReadADC(void) {
-    int32_t adc;
-    wait_ms(150);
-    ms5803_tx_data[0] = ms5803_ADCread;
-    if ( i2c.write( device_address,  ms5803_tx_data, 1 ) );
-    if ( i2c.read( device_address,  ms5803_rx_data, 3 ) );
-    adc = ms5803_rx_data[2] + (ms5803_rx_data[1]<<8) + (ms5803_rx_data[0]<<16);
-    return (adc);
-}
-
-/* return the results */
-float MS5803::MS5803_Pressure (void) {
-    return P_MS5803;
-}
-float MS5803::MS5803_Temperature (void) {
-    return T_MS5803;
-}
-
-/* Sensor reading and calculation prcedure */
-void MS5803::Barometer_MS5803(void) {
-    int32_t dT, temp;
-    int64_t OFF, SENS, press;
-
-    MS5803Reset();                 // reset the sensor
-    MS5803ReadProm();             // read the calibration values
-    MS5803ConvertD1();             // start pressure convertion
-    D1 = MS5803ReadADC();        // read the pressure value
-    MS5803ConvertD2();             // start temperature convertion
-    D2 = MS5803ReadADC();         // read the temperature value
-
-    /* calculation according MS5803-01BA data sheet DA5803-01BA_006 */
-    dT       = D2 - (C[5]* 256);
-    OFF      = (int64_t)C[2] * (1<<16) + ((int64_t)dT * (int64_t)C[4]) / (1<<7);
-    SENS     = (int64_t)C[1] * (1<<15) + ((int64_t)dT * (int64_t)C[3]) / (1<<8);
-
-    temp     = 2000 + (dT * C[6]) / (1<<23);
-    T_MS5803 = (float) temp / 100.0f;                 // result of temperature in deg C in this var
-    press    = (((int64_t)D1 * SENS) / (1<<21) - OFF) / (1<<15);
-    P_MS5803 = (float) press / 100.0f;                 // result of pressure in mBar in this var
-}

--- a/MS5803/MS5803.h	Sat Apr 07 14:18:42 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,88 +0,0 @@
-/*
-    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 THE
-    AUTHORS OR COPYRIGHT HOLDERS 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.
-
-  * Barometer Sensor (Altimeter) MS5803-01BA of MEAS Switzerland     (www.meas-spec.com).
-  * The driver uses I2C mode (sensor PS pin low).
-  * Other types of MEAS are compatible but not tested.
-  * Written by Raig Kaufer distribute freely!
- */
-#include "mbed.h"
-
-#ifndef MS5803_H
-#define MS5803_H
-
-#define MS5803_RX_DEPTH 3
-#define MS5803_TX_DEPTH 2
-
-
-#define ms5803_addrCL 0x77 //0b1110111  CSB Pin is low
-#define ms5803_addrCH 0x76 //0b1110110  CSB Pin is high 
-
-#define ms5803_base_addr ms5803_addrCL // choose your connection here
-
-#define ms5803_reset       0x1E // Sensor Reset
-
-#define ms5803_convD1_256  0x40 // Convert D1 OSR 256
-#define ms5803_convD1_512  0x42 // Convert D1 OSR  512
-#define ms5803_convD1_1024 0x44 // Convert D1 OSR 1024
-#define ms5803_convD1_2048 0x46 // Convert D1 OSR 2048
-#define ms5803_convD1_4096 0x48 // Convert D1 OSR 2048
-
-#define ms5803_convD1 ms5803_convD1_4096 // choose your sampling rate here
-
-#define ms5803_convD2_256  0x50 // Convert D2 OSR  256
-#define ms5803_convD2_512  0x52 // Convert D2 OSR  512
-#define ms5803_convD2_1024 0x54 // Convert D2 OSR 1024
-#define ms5803_convD2_2048 0x56 // Convert D2 OSR 2048
-#define ms5803_convD2_4096 0x58 // Convert D2 OSR 2048
-
-#define ms5803_convD2 ms5803_convD2_4096 // choose your sampling rate here
-
-#define ms5803_ADCread     0x00 // read ADC command
-#define ms5803_PROMread    0xA0 // read PROM command base address
-
-class MS5803 : public Base {
-private:
-    int D1, D2, Temp, C[8];
-    float T_MS5803, P_MS5803;
-    /* Data buffers */
-    char ms5803_rx_data[MS5803_RX_DEPTH];
-    char ms5803_tx_data[MS5803_TX_DEPTH];
-
-public:
-    MS5803 (PinName sda, PinName scl,
-            char ms5803_addr = ms5803_base_addr  )
-            : i2c( sda, scl ), device_address( ms5803_addr << 1 ) {
-    }
-    void MS5803Reset(void);
-    void MS5803ReadProm(void);
-    void MS5803ConvertD1(void);
-    void MS5803ConvertD2(void);
-    int32_t MS5803ReadADC(void);
-    float MS5803_Pressure (void);
-    float MS5803_Temperature (void);
-    void Barometer_MS5803(void);
-
-
-private:
-    I2C     i2c;
-    char    device_address;
-
-};
-#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MS5803_14BA/MS5803_14BA.cpp	Fri Apr 24 18:53:08 2015 +0000
@@ -0,0 +1,114 @@
+/*
+    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 THE
+    AUTHORS OR COPYRIGHT HOLDERS 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.
+
+  * Demo Program
+  * Barometer Sensor (Altimeter) MS5803-01BA of MEAS Switzerland     (www.meas-spec.com).
+  * The driver uses I2C mode (sensor PS pin low).
+  * Other types of MEAS are compatible but not tested.
+  * Written by Raig Kaufer distribute freely!
+  *
+  * Modified for MS5803-14BA by Francesco Adamo, Italy
+ */
+
+#include <stdlib.h>
+#include "MS5803_14BA.h"
+
+MS5803_14BA::MS5803_14BA(PinName sda, PinName scl, char MS5803_ADDR) : _i2c(sda, scl) {
+    device_address = MS5803_ADDR << 1;
+    _d1_osr = D1_OSR_4096;
+    _d2_osr = D2_OSR_4096;
+    reset();    // reset the sensor
+    readPROM(); // read the calibration values
+}
+
+MS5803_14BA::MS5803_14BA(PinName sda, PinName scl, char MS5803_ADDR, char d1_osr, char d2_osr) : _i2c( sda, scl ) {
+    device_address = MS5803_ADDR << 1;
+    _d1_osr = D1_OSR_4096;
+    _d2_osr = D2_OSR_4096;
+    reset();    // reset the sensor
+    readPROM(); // read the calibration values and store them in array C[ ] 
+}
+
+/* Send soft reset to the sensor */
+void MS5803_14BA::reset(void) {
+    MS5803_tx_data[0] = COMMAND_RESET;
+    _i2c.write(device_address,  MS5803_tx_data, 1);
+    wait_ms(20);
+}
+
+/* read the sensor calibration data from ROM */
+void MS5803_14BA::readPROM(void) {
+    for (uint8_t i = 0; i < 8; i++) {
+        MS5803_tx_data[0] = COMMAND_READ_PROM + (i << 1);
+        _i2c.write( device_address,  MS5803_tx_data, 1);
+        _i2c.read( device_address,  MS5803_rx_data, 2);
+        C[i] = (MS5803_rx_data[0] << 8) + MS5803_rx_data[1];
+    }
+}
+
+/* Start the sensor pressure conversion */
+void MS5803_14BA::convertD1(void) {
+    MS5803_tx_data[0] = _d1_osr;
+    _i2c.write( device_address,  MS5803_tx_data, 1);
+}
+
+/* Start the sensor temperature conversion */
+void MS5803_14BA::convertD2(void) {
+    MS5803_tx_data[0] = _d2_osr;
+    _i2c.write(device_address,  MS5803_tx_data, 1);
+}
+
+/* Read the previous started conversion results */
+int32_t MS5803_14BA::readADC(void) {
+    wait_ms(150);
+    MS5803_tx_data[0] = COMMAND_READ_ADC;
+    _i2c.write(device_address,  MS5803_tx_data, 1);
+    _i2c.read(device_address,  MS5803_rx_data, 3);
+    return (MS5803_rx_data[0] << 16) + (MS5803_rx_data[1] << 8) + MS5803_rx_data[2];
+}
+
+/* return the results */
+float MS5803_14BA::getPressure(void) {
+    return P_MS5803;
+}
+
+float MS5803_14BA::getTemperature (void) {
+    return T_MS5803;
+}
+
+/* Sensor reading and calculation procedure */
+void MS5803_14BA::convert(void) {
+    int32_t dT, TEMP;
+    int64_t OFF, SENS, P;
+
+    convertD1();    // start pressure convertion
+    D1 = readADC(); // read the pressure value
+    convertD2();    // start temperature convertion
+    D2 = readADC(); // read the temperature value
+
+    /* calculation according MS5803-14BA data sheet */
+    dT       = D2 - (C[5]* 256);
+    TEMP     = 2000 + (dT * C[6])/8388608;
+    T_MS5803 = (float) TEMP/100.0f; // result of temperature in deg C in this var
+
+    OFF      = (int64_t)65536*C[2] + ((int64_t)dT * (int64_t)C[4])/128;
+    SENS     = (int64_t)32768*C[1] + ((int64_t)dT * (int64_t)C[3])/256;
+    P    = (((int64_t)D1 * SENS)/2097152 - OFF)/32768;
+    P_MS5803 = (float) P/10.0f; // result of pressure in mBar in this var
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MS5803_14BA/MS5803_14BA.h	Fri Apr 24 18:53:08 2015 +0000
@@ -0,0 +1,85 @@
+/*
+    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 THE
+    AUTHORS OR COPYRIGHT HOLDERS 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.
+
+  * Demo Program
+  * Barometer Sensor (Altimeter) MS5803-01BA of MEAS Switzerland     (www.meas-spec.com).
+  * The driver uses I2C mode (sensor PS pin low).
+  * Other types of MEAS are compatible but not tested.
+  * Written by Raig Kaufer distribute freely!
+  *
+  * Modified for MS5803-14BA by Francesco Adamo, Italy
+ */
+
+#include "mbed.h"
+
+#ifndef MS5803_14BA_H
+#define MS5803_14BA_H
+
+#define MS5803_RX_DEPTH 3
+#define MS5803_TX_DEPTH 2
+
+
+#define MS5803_ADDRC_L 0x77 //0b1110111  CSB Pin is low
+#define MS5803_ADDRC_H 0x76 //0b1110110  CSB Pin is high 
+
+#define MS5803_BASE_ADDR MS5803_ADDRC_L // choose your connection here
+
+#define COMMAND_RESET       0x1E // Sensor Reset
+
+#define D1_OSR_256  0x40 // Convert D1 OSR 256
+#define D1_OSR_512  0x42 // Convert D1 OSR  512
+#define D1_OSR_1024 0x44 // Convert D1 OSR 1024
+#define D1_OSR_2048 0x46 // Convert D1 OSR 2048
+#define D1_OSR_4096 0x48 // Convert D1 OSR 4096
+
+#define D2_OSR_256  0x50 // Convert D2 OSR  256
+#define D2_OSR_512  0x52 // Convert D2 OSR  512
+#define D2_OSR_1024 0x54 // Convert D2 OSR 1024
+#define D2_OSR_2048 0x56 // Convert D2 OSR 2048
+#define D2_OSR_4096 0x58 // Convert D2 OSR 4096
+
+#define COMMAND_READ_ADC     0x00 // read ADC command
+#define COMMAND_READ_PROM    0xA0 // read PROM command base address
+
+class MS5803_14BA {
+private:
+    I2C     _i2c;
+    char    device_address, _d1_osr, _d2_osr;
+
+    uint32_t D1, D2;
+    uint16_t C[8];
+    float T_MS5803, P_MS5803;
+    /* Data buffers */
+    char MS5803_rx_data[MS5803_RX_DEPTH];
+    char MS5803_tx_data[MS5803_TX_DEPTH];
+
+public:
+    MS5803_14BA(PinName sda, PinName scl, char MS5803_ADDR);
+    MS5803_14BA(PinName sda, PinName scl, char MS5803_ADDR, char d1_osr, char d2_osr);
+    
+    void reset(void);
+    void readPROM(void);
+    void convertD1(void);
+    void convertD2(void);
+    int32_t readADC(void);
+    float getPressure(void);
+    float getTemperature(void);
+    void convert(void);
+};
+#endif

--- a/USBDevice.lib	Sat Apr 07 14:18:42 2012 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://mbed.org/users/samux/code/USBDevice/#5e24508aa46e

--- a/main.cpp	Sat Apr 07 14:18:42 2012 +0000
+++ b/main.cpp	Fri Apr 24 18:53:08 2015 +0000
@@ -22,34 +22,40 @@
   * The driver uses I2C mode (sensor PS pin low).
   * Other types of MEAS are compatible but not tested.
   * Written by Raig Kaufer distribute freely!
+  *
+  * Modified for MS5803-14BA by Francesco Adamo, Italy
  */
 
 #include "mbed.h"
-#include "MS5803.h"
-#include "USBSerial.h"
+#include "MS5803_14BA.h"
+
 
-#define debug
-#ifdef debug
-USBSerial serial;
-Serial pc(USBTX, USBRX);
+#ifdef TARGET_K64F
+ #define SPI_SCK     PTD1
+ #define SPI_MOSI    PTD2
+ #define SPI_MISO    PTD3
+ #define SPI_CS      PTD0
+ #define I2C_SDA     PTE25
+ #define I2C_SCL     PTE24
+#elif defined(TARGET_KL25Z)
+ #define SPI_SCK     PTD1
+ #define SPI_MOSI    PTD2
+ #define SPI_MISO    PTD3
+ #define SPI_CS      PTD0
+ #define I2C_SDA     PTE0
+ #define I2C_SCL     PTE1
 #endif
 
-MS5803     press_sensor( p9, p10, ms5803_base_addr );           // sda, scl, I2C_address 0x76 or 0x77 look at MS5803.h
+Serial pc(USBTX, USBRX);
+MS5803_14BA  ps(I2C_SDA, I2C_SCL, MS5803_ADDRC_H, D1_OSR_4096, D2_OSR_4096); // SDA, SCL, I2C_address (0x76 or 0x77 look at MS5803.h)
 
 int main() {
-
-#ifdef debug
-        wait( 3 );
-        serial.printf("MS5803 demo");
-#endif
-
-    while ( 1 ) {
-#ifdef debug
-        press_sensor.Barometer_MS5803();
-        serial.printf("%4.1f (mBar)\r\n", press_sensor.MS5803_Pressure());
-        serial.printf("%4.1f (deg C)\r\n", press_sensor.MS5803_Temperature());
-#endif
-
-        wait( 1 );
+    pc.baud(115200);
+    pc.printf("MS5803 demo\r\n");
+    
+    while (1) {
+        ps.convert();
+        pc.printf("%4.1f, %4.1f\r\n", ps.getPressure(), ps.getTemperature());
+        wait(0.5);
     }
 }

--- a/mbed.bld	Sat Apr 07 14:18:42 2012 +0000
+++ b/mbed.bld	Fri Apr 24 18:53:08 2015 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/b3c9f16cbb96
+http://mbed.org/users/mbed_official/code/mbed/builds/433970e64889
\ No newline at end of file