Revision 0:f9431dd67dd0, committed 2018-08-15

Comitter:

RGurav

Date:

Wed Aug 15 11:52:56 2018 +0000

Commit message:

Code to read values of the ADXL355 using the EV-COG4050

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Wed Aug 15 11:52:56 2018 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ADXL355.lib	Wed Aug 15 11:52:56 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/RGurav/code/ADXL355/#1b8d65be0eef

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README.md	Wed Aug 15 11:52:56 2018 +0000
@@ -0,0 +1,18 @@
+
+
+Following is the connection between EV-COG4050 and ADXL355 using the COG expander baord.
+
+ADXL35x on the EV-GEAR-EXPANDER1Z
+CONNECTION DIAGRAM through P4 PMOD_SP1
+
+SIGNAL_NAME     PIN NUM     EVAL-ADXL35xZ
+SPI1_CS0        PMOD-P4 1   P2 2
+SPI1_MOSI       PMOD-P4 2   P2 6
+SPI1_MISO       PMOD-P4 3   P2 5
+SPI1_CLK        PMOD-P4 4   P2 4
+GND             PMOD-P4 5   P1 5
+FT_EXT_VDD_OUT  PMOD-P4 6   P1 1
+FT_EXT_VDD_OUT  PMOD-P4 12  P1 3
+
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Aug 15 11:52:56 2018 +0000
@@ -0,0 +1,75 @@
+/*
+Created on: 15/08/2018
+Author: Rohan Gurav
+        Valeria Toffoli
+Code: Use the following code to read the ADXL355 values connected to the SPI channel 
+      of the EV-COG4050-Expander board port0. Check the readme.md for connection info  
+
+*/
+#include "mbed.h"
+#include <inttypes.h>
+#include "ADXL355.h"
+//#include "ADXRS290.h"
+
+Serial pc(USBTX, USBRX);
+
+ADXL355 accl(SPI1_CS0, SPI1_MOSI, SPI1_MISO, SPI1_SCLK);    // PMOD port
+//ADXRS290 gyro(SPI0_CS2, SPI0_MOSI, SPI0_MISO, SPI0_SCLK);   // PMOD port
+
+    
+int main()
+{
+    pc.baud(9600);
+    pc.printf("SPI ADXL355 and ADXL357 Demo\r\n");
+    pc.printf("GET device ID\r\n");
+   
+    accl.reset();
+    uint8_t d; 
+    
+    d=accl.read_reg(accl.DEVID_AD);
+    pc.printf("AD id = %x \r\n",d);
+    
+    d=accl.read_reg(accl.DEVID_MST);
+    pc.printf("MEMS id = %x \r\n",d);
+    
+    d=accl.read_reg(accl.PARTID);
+    pc.printf("device id = %x \r\n",d);
+    
+    d=accl.read_reg(accl.REVID);
+    pc.printf("revision id = %x \r\n",d);
+    
+    pc.printf("GET device data [x, y, z, t] \r\n");
+    accl.set_power_ctl_reg(accl.MEASUREMENT);
+    
+    d=accl.read_reg(accl.POWER_CTL);
+    pc.printf("power control on measurement mode = %x \r\n",d);
+    
+    float x, y,z;
+    float t;
+    
+    /*The following part is used to perform 2's complemient and then display the data*/
+    for(int i=0; i<50; i++) 
+    {
+        x = accl.convert(accl.scanx())*accl.axis355_sens;
+        y = accl.convert(accl.scany())*accl.axis355_sens;
+        z = accl.convert(accl.scanz())*accl.axis355_sens;
+        t = 25+float(accl.scant()-1852)/(-9.05);
+    
+        pc.printf("%f \t %f \t %f  \t %f \r\n" , x,y,z,t);
+        wait(0.1);
+    }
+    
+/*-------------------------------------------------------------    
+    // The following code will display the Raw data of the Axes 
+     while(1) 
+    {
+        x = accl.scanx();
+        y = accl.scany();
+        z = accl.scanz();
+        t = accl.scant();
+        pc.printf("%u \t %u \t %u \t %u \r\n" , x,y,z,t);
+        wait(1.0);
+    }
+----------------------------------------------------------------*/
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Wed Aug 15 11:52:56 2018 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#485bdeee150e2bc8ed75e27d936060fb63a7a7d1