WebSVN – MLAB – /Modules/Sensors/ALTIMET01A Rev 2777 and /Modules/Sensors/ALTIMET01A/ Rev 2778 – Path Comparison

 /Modules/Sensors/ALTIMET01A/SW/PIC/PIC16F887/MPL115A1.c
 ,0 → 1,125
+/*
+MPL115A1 SDN - +3.3V (always power on)
+MPL115A1 #CS - PIN_C2
+MPL115A1 DOUT - PIN_C4
+MPL115A1 DIN - PIN_C5
+MPL115A1 SCLK - PIN_C3
+MPL115A1 GND - GND
+MPL115A1 VDD - +3.3V
+*/
+// SPI mode definitions.
+#define SPI_MODE_0  (SPI_L_TO_H | SPI_XMIT_L_TO_H)
+#define SPI_MODE_1  (SPI_L_TO_H)
+#define SPI_MODE_2  (SPI_H_TO_L)
+#define SPI_MODE_3  (SPI_H_TO_L | SPI_XMIT_L_TO_H)
+float a0;      // correctiaon coefficients
+float b1;
+float b2;
+float c12;
+void MPL_init()
+{
+unsigned int8 a0_MSB, a0_LSB;
+unsigned int8 b1_MSB, b1_LSB;
+unsigned int8 b2_MSB, b2_LSB;
+unsigned int8 c12_MSB, c12_LSB;
+   output_low(CSN_SPI);
+   spi_write(0x88);              // get MSB for a0
+   a0_MSB = spi_read(0x00);
+   spi_write(0x8A);              // get LSB for a0
+   a0_LSB = spi_read(0x00);
+   spi_write(0x8C);              // get MSB for b1
+   b1_MSB = spi_read(0x00);
+   spi_write(0x8E);              // get LSB for b1
+   b1_LSB = spi_read(0x00);
+   spi_write(0x90);              // get MSB for b2
+   b2_MSB = spi_read(0x00);
+   spi_write(0x92);              // get LSB for b2
+   b2_LSB = spi_read(0x00);
+   spi_write(0x94);              // get MSB for c12
+   c12_MSB = spi_read(0x00);
+   spi_write(0x96);              // get LSB for c12
+   c12_LSB = spi_read(0x00);
+   spi_read(0x00);
+   output_high(CSN_SPI);
+ // translate to floating point number
+   a0 = ((unsigned int16) a0_MSB << 5) + (a0_LSB >> 3) + (a0_LSB & 0x07)/8.0;
+   b1 = ((((b1_MSB & 0x1F) * 0x100) + b1_LSB) / 8192.0) - 3;
+   b2 = ((((unsigned int16) (b2_MSB - 0x80) << 8) + b2_LSB)/ 16384.0) - 2;
+   c12 =(((c12_MSB * 0x100) + c12_LSB)/16777216.0);
+}
+float MPL_get_pressure()
+{
+unsigned int8 LSB_data, MSB_data;
+unsigned int16 ADC_pressure, ADC_temperature;
+float Pcomp;
+   output_low(CSN_SPI);        //Start temperature and pressure conversion
+   spi_write(0x24);
+   spi_write(0x00);
+   output_high(CSN_SPI);
+   delay_ms(10);
+   output_low(CSN_SPI);     // get MSB for Pressure
+   spi_write(0x80);
+   MSB_data = spi_read(0x00);
+   spi_write(0x82);              // get LSB for Pressure
+   LSB_data = spi_read(0x00);
+   output_high(CSN_SPI);
+   ADC_pressure = (((unsigned int16) MSB_data << 8) + LSB_data ) >> 6;  // conversion of 8bit registers to 16bit variable
+   output_low(CSN_SPI);
+   spi_write(0x84);
+   MSB_data = spi_read(0x00);
+   spi_write(0x86);              // get LSB for Temperature
+   LSB_data = spi_read(0x00);
+   spi_read(0x00);
+   output_high(CSN_SPI);
+   ADC_temperature = (((unsigned int16) MSB_data << 8) + LSB_data ) >> 6;  // conversion of 8bit registers to 16bit variable
+   Pcomp = (a0 + (b1 + c12 * ADC_temperature) * ADC_pressure + b2 * ADC_temperature );  // compute relative compensated pressure
+   return (Pcomp * ((115.0 - 50.0)/1023.0) + 50.0);  // return absolute pressure
+}
+float MPL_get_temperature()
+{
+unsigned int8 LSB_data, MSB_data;
+unsigned int16 ADC_temperature;
+   output_low(CSN_SPI);        //Start temperature and pressure conversion
+   spi_write(0x22);
+   spi_write(0x00);
+   output_high(CSN_SPI);
+   delay_ms(10);
+   output_low(CSN_SPI);
+   spi_write(0x84);
+   MSB_data = spi_read(0x00);
+   spi_write(0x86);              // get LSB for Temperature
+   LSB_data = spi_read(0x00);
+   spi_read(0x00);
+   output_high(CSN_SPI);
+   ADC_temperature = (((unsigned int16) MSB_data << 8) + LSB_data ) >> 6;  // conversion of 8bit registers to 16bit variable
+   return ( ((float) ADC_temperature - 498.0)/-5.35) + 25.0;  // return temperature in deg C
+}

 /Modules/Sensors/ALTIMET01A/SW/PIC/PIC16F887/main.c
 ,121 → 11,8
 */
 #define CSN_SPI PIN_C2
+#include "MPL115A1.c"
-// SPI mode definitions.
-#define SPI_MODE_0  (SPI_L_TO_H | SPI_XMIT_L_TO_H)
-#define SPI_MODE_1  (SPI_L_TO_H)
-#define SPI_MODE_2  (SPI_H_TO_L)
-#define SPI_MODE_3  (SPI_H_TO_L | SPI_XMIT_L_TO_H)
-float a0;      // correctiaon coefficients
-float b1;
-float b2;
-float c12;
-void MPL_init()
-{
-unsigned int8 a0_MSB, a0_LSB;
-unsigned int8 b1_MSB, b1_LSB;
-unsigned int8 b2_MSB, b2_LSB;
-unsigned int8 c12_MSB, c12_LSB;
-   output_low(CSN_SPI);
-   spi_write(0x88);              // get MSB for a0
-   a0_MSB = spi_read(0x00);
-   spi_write(0x8A);              // get LSB for a0
-   a0_LSB = spi_read(0x00);
-   spi_write(0x8C);              // get MSB for b1
-   b1_MSB = spi_read(0x00);
-   spi_write(0x8E);              // get LSB for b1
-   b1_LSB = spi_read(0x00);
-   spi_write(0x90);              // get MSB for b2
-   b2_MSB = spi_read(0x00);
-   spi_write(0x92);              // get LSB for b2
-   b2_LSB = spi_read(0x00);
-   spi_write(0x94);              // get MSB for c12
-   c12_MSB = spi_read(0x00);
-   spi_write(0x96);              // get LSB for c12
-   c12_LSB = spi_read(0x00);
-   spi_read(0x00);
-   output_high(CSN_SPI);
- // translate to floating point number
-   a0 = ((unsigned int16) a0_MSB << 5) + (a0_LSB >> 3) + (a0_LSB & 0x07)/8.0;
-   b1 = ((((b1_MSB & 0x1F) * 0x100) + b1_LSB) / 8192.0) - 3;
-   b2 = ((((unsigned int16) (b2_MSB - 0x80) << 8) + b2_LSB)/ 16384.0) - 2;
-   c12 =(((c12_MSB * 0x100) + c12_LSB)/16777216.0);
-}
-float MPL_get_pressure()
-{
-unsigned int8 LSB_data, MSB_data;
-unsigned int16 ADC_pressure, ADC_temperature;
-float Pcomp;
-   output_low(CSN_SPI);        //Start temperature and pressure conversion
-   spi_write(0x24);
-   spi_write(0x00);
-   output_high(CSN_SPI);
-   delay_ms(10);
-   output_low(CSN_SPI);     // get MSB for Pressure
-   spi_write(0x80);
-   MSB_data = spi_read(0x00);
-   spi_write(0x82);              // get LSB for Pressure
-   LSB_data = spi_read(0x00);
-   output_high(CSN_SPI);
-   ADC_pressure = (((unsigned int16) MSB_data << 8) + LSB_data ) >> 6;  // conversion of 8bit registers to 16bit variable
-   output_low(CSN_SPI);
-   spi_write(0x84);
-   MSB_data = spi_read(0x00);
-   spi_write(0x86);              // get LSB for Temperature
-   LSB_data = spi_read(0x00);
-   spi_read(0x00);
-   output_high(CSN_SPI);
-   ADC_temperature = (((unsigned int16) MSB_data << 8) + LSB_data ) >> 6;  // conversion of 8bit registers to 16bit variable
-   Pcomp = (a0 + (b1 + c12 * ADC_temperature) * ADC_pressure + b2 * ADC_temperature );  // compute relative compensated pressure
-   return (Pcomp * ((115.0 - 50.0)/1023.0) + 50.0);  // return absolute pressure
-}
-float MPL_get_temperature()
-{
-unsigned int8 LSB_data, MSB_data;
-unsigned int16 ADC_temperature;
-   output_low(CSN_SPI);        //Start temperature and pressure conversion
-   spi_write(0x22);
-   spi_write(0x00);
-   output_high(CSN_SPI);
-   delay_ms(10);
-   output_low(CSN_SPI);
-   spi_write(0x84);
-   MSB_data = spi_read(0x00);
-   spi_write(0x86);              // get LSB for Temperature
-   LSB_data = spi_read(0x00);
-   spi_read(0x00);
-   output_high(CSN_SPI);
-   ADC_temperature = (((unsigned int16) MSB_data << 8) + LSB_data ) >> 6;  // conversion of 8bit registers to 16bit variable
-   return ( ((float) ADC_temperature - 498.0)/-5.35) + 25.0;  // return temperature in deg C
-}
 void main()
 {
    printf("Start \r\n");
 ,7 → 20,7
    output_high(CSN_SPI);
    delay_ms(100);
-   MPL_init();  // get correction coeffivcients from the sensor
+   MPL_init();  // get correction coefficients from the sensor
    while(true)
    {

/Modules/Sensors/ALTIMET01A/SW/PIC/PIC16F887/main.hex
277,4 → 277,4
:04400E00F52CFF3F4F
:00000001FF
;PIC16F887
;CRC=77E3 CREATED="24-II-13 20:02"
;CRC=77E3 CREATED="24-II-13 20:07"

/Modules/Sensors/ALTIMET01A/SW/PIC/PIC16F887/main.pjt
17,7 → 17,7
0=0000 %S 0 0 796 451 3 0
[Opened Files]
1=main.c
2=
2=MPL115A1.c
3=
4=
5=..\ds1820.c

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/Modules/Sensors/ALTIMET01A @ 2777 → /Modules/Sensors/ALTIMET01A/ @ 2778

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