Revision 0:92ddc9baf27b, committed 2017-03-22

Comitter:

agaikwad

Date:

Wed Mar 22 01:11:03 2017 +0000

Commit message:

Hexiware Ambient Light code using OPT3001

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Wed Mar 22 01:11:03 2017 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README.md	Wed Mar 22 01:11:03 2017 +0000
@@ -0,0 +1,87 @@
+# Getting started with Blinky on mbed OS
+
+This guide reviews the steps required to get Blinky working on an mbed OS platform.
+
+Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli).
+
+## Import the example application
+
+From the command-line, import the example:
+
+```
+mbed import mbed-os-example-blinky
+cd mbed-os-example-blinky
+```
+
+### Now compile
+
+Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5:
+
+```
+mbed compile -m K64F -t ARM
+```
+
+Your PC may take a few minutes to compile your code. At the end, you see the following result:
+
+```
+[snip]
++----------------------------+-------+-------+------+
+| Module                     | .text | .data | .bss |
++----------------------------+-------+-------+------+
+| Misc                       | 13939 |    24 | 1372 |
+| core/hal                   | 16993 |    96 |  296 |
+| core/rtos                  |  7384 |    92 | 4204 |
+| features/FEATURE_IPV4      |    80 |     0 |  176 |
+| frameworks/greentea-client |  1830 |    60 |   44 |
+| frameworks/utest           |  2392 |   512 |  292 |
+| Subtotals                  | 42618 |   784 | 6384 |
++----------------------------+-------+-------+------+
+Allocated Heap: unknown
+Allocated Stack: unknown
+Total Static RAM memory (data + bss): 7168 bytes
+Total RAM memory (data + bss + heap + stack): 7168 bytes
+Total Flash memory (text + data + misc): 43402 bytes
+Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin
+```
+
+### Program your board
+
+1. Connect your mbed device to the computer over USB.
+1. Copy the binary file to the mbed device.
+1. Press the reset button to start the program.
+
+The LED on your platform turns on and off.
+
+## Export the project to Keil MDK, and debug your application
+
+From the command-line, run the following command:
+
+```
+mbed export -m K64F -i uvision
+```
+
+To debug the application:
+
+1. Start uVision.
+1. Import the uVision project generated earlier.
+1. Compile your application, and generate an `.axf` file.
+1. Make sure uVision is configured to debug over CMSIS-DAP (From the Project menu > Options for Target '...' > Debug tab > Use CMSIS-DAP Debugger).
+1. Set breakpoints, and start a debug session.
+
+![Image of uVision](img/uvision.png)
+
+## Troubleshooting
+
+1. Make sure `mbed-cli` is working correctly and its version is `>1.0.0`
+
+ ```
+ mbed --version
+ ```
+
+ If not, you can update it:
+
+ ```
+ pip install mbed-cli --upgrade
+ ```
+
+2. If using Keil MDK, make sure you have a license installed. [MDK-Lite](http://www.keil.com/arm/mdk.asp) has a 32 KB restriction on code size.
\ No newline at end of file

Binary file img/uvision.png has changed

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 22 01:11:03 2017 +0000
@@ -0,0 +1,39 @@
+#include "mbed.h"
+#include "math.h"
+
+I2C i2c(PTD9,PTD8);
+Serial pc(USBTX, USBRX);
+AnalogIn check(PTB6);
+ 
+ const int addr = 0x88;
+ //const int addr1 = 0xC0;
+int main() { 
+int exp,exp1,l=1;
+float z;
+float x;
+  
+    i2c.frequency(100000); // set required i2c frequency
+    pc.baud(9600); //set baud rate
+    pc.printf("I2C started!\r\n");
+    char cmd[3]; //for byte transfer
+   while(1){ 
+   //ambient light sensor code
+   cmd[0] = 0x01;   //configuration register
+   cmd[1]= 0xCC;    //configuration data
+    cmd[2]= 0x01;   //configuration data
+  i2c.write(addr, cmd, 3);
+         cmd[0] = 0x00; // data register
+    i2c.write(addr, cmd, 1);
+       wait(0.5);
+       i2c.read(addr, cmd, 2);
+ 
+        exp= cmd[0]>>4;
+        exp1= (cmd[0]-(exp<<4))*256+cmd[1];
+        l=1;
+        for(int r=0;r<exp;r++){l=l*2;};
+        z= (exp1*l)/100;
+        pc.printf("Lux = %.2f\n\r", z);  // printing LUX value
+         wait(0.5);
+         
+        }
+        }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Wed Mar 22 01:11:03 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#f4864dc6429e1ff5474111d4e0f6bee36a759b1c