Revision 0:c2c6f009e2d1, committed 2013-10-13

Comitter:

viniedodo

Date:

Sun Oct 13 03:42:55 2013 +0000

Commit message:

LPC812MAXdemoTest_revPA1

Changed in this revision

diff -r 000000000000 -r c2c6f009e2d1 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Oct 13 03:42:55 2013 +0000
@@ -0,0 +1,309 @@
+#include "mbed.h"
+
+DigitalOut ledRed(LED_RED);
+DigitalOut ledGreen(LED_GREEN);
+DigitalOut ledBlue(LED_BLUE);
+
+int flashPattern = 0;
+
+const unsigned char I2C_ADDR_PCF8591T  = 0x9E;
+const unsigned char I2C_ADDR_PCA9672PW = 0x46;
+
+const unsigned char LED_ON  = 0;
+const unsigned char LED_OFF = 1;
+bool keyPressed;
+char response[1];
+
+I2C m_i2c(P0_10, P0_11);
+
+unsigned char i2c_wait(int ms)
+{
+    for(int n=0; n<ms; n+=50)
+    {
+        //read PCA9672PW
+        if (m_i2c.read(I2C_ADDR_PCA9672PW, response, 1) == 0)
+        {
+            //check if push-button pressed (bit #7 = 0)
+            if ((keyPressed == false) && ((response[0] & 0x80) == 0))
+                return 1;
+        }
+        else
+        {
+            //error reading from I2C device
+            while(1)
+            {
+                for(int i=0; i<10; i++)
+                {
+                    ledBlue = LED_ON;
+                    wait(0.05);
+                    ledBlue = LED_OFF;
+                    wait(0.05);
+                }
+                wait(1.0);
+            }
+        }
+        wait(0.05);
+    }
+    return 0;
+}
+
+int main() {
+    //init RGB-LED to be off
+    ledRed   = LED_OFF;
+    ledGreen = LED_OFF;
+    ledBlue  = LED_OFF;
+
+    //test i2C connection with PCF8591T  (1.0.0.1.1.1.1.rw)
+    const char command1[] = {0x00};
+    if (m_i2c.write(I2C_ADDR_PCF8591T, command1, 1) != 0)
+    {
+        while(1)
+        {
+            for(int i=0; i<10; i++)
+            {
+                ledRed = LED_ON;
+                wait(0.05);
+                ledRed = LED_OFF;
+                wait(0.05);
+            }
+            wait(1.0);
+        }
+    }
+
+    //test i2C connection with PCA9672PW (0.1.0.0.0.1.1.rw)
+    const char command2[] = {0xff};
+    if (m_i2c.write(I2C_ADDR_PCA9672PW, command2, 1) != 0)
+    {
+        while(1)
+        {
+            for(int i=0; i<10; i++)
+            {
+                ledBlue = LED_ON;
+                wait(0.05);
+                ledBlue = LED_OFF;
+                wait(0.05);
+            }
+            wait(1.0);
+        }
+    }
+    
+    //startup flash behaviour
+    for(int i=0; i<10; i++)
+    {
+        ledGreen = LED_ON;
+        wait(0.05);
+        ledGreen = LED_OFF;
+        wait(0.05);
+    }
+    wait(1.0);
+
+    //enter forever loop, change RGB flash patterns with user push-button
+    keyPressed = false;
+    i2c_wait(1);
+    while(1)
+    {
+        //read user push-button
+#if 1
+        i2c_wait(1);
+        //check if push-button pressed (bit #7 = 0)
+        if ((keyPressed == false) && ((response[0] & 0x80) == 0))
+        {
+            keyPressed = true;
+            flashPattern++;
+        }
+
+        //check if push-button released (bit #7 = 1)
+        else if ((keyPressed == true) && ((response[0] & 0x80) != 0))
+            keyPressed = false;
+#else
+        if (m_i2c.read(I2C_ADDR_PCA9672PW, response, 1) == 0)
+        {
+            //check if push-button pressed (bit #7 = 0)
+            if ((keyPressed == false) && ((response[0] & 0x80) == 0))
+            {
+                keyPressed = true;
+                flashPattern++;
+                ledRed = LED_OFF;
+                ledGreen = LED_OFF;
+                ledBlue = LED_OFF;
+            }
+
+            //check if push-button released (bit #7 = 1)
+            else if ((keyPressed == true) && ((response[0] & 0x80) != 0))
+                keyPressed = false;
+        }
+        //error reading from I2C device
+        else
+        {
+            while(1)
+            {
+                for(int i=0; i<10; i++)
+                {
+                    ledBlue = LED_ON;
+                    wait(0.05);
+                    ledBlue = LED_OFF;
+                    wait(0.05);
+                }
+                wait(1.0);
+            }
+        }
+#endif        
+        //flash RGB-LED according to pattern
+        switch(flashPattern)
+        {
+        case 0:
+            ledRed = LED_ON;
+            if (i2c_wait(80) != 0) break;
+            ledRed = LED_OFF;
+            if (i2c_wait(500) != 0) break;
+
+            ledGreen = LED_ON;
+            if (i2c_wait(15) != 0) break;
+            ledGreen = LED_OFF;
+            if (i2c_wait(550) != 0) break;
+
+            ledBlue = LED_ON;
+            if (i2c_wait(80) != 0) break;
+            ledBlue = LED_OFF;
+            if (i2c_wait(500) != 0) break;
+            break;
+        case 1:
+            for(float a=0; a<0.01; a+=0.0004)
+            {
+                ledGreen = LED_ON;
+                wait(a/2);
+                ledGreen = LED_OFF;
+                wait(0.01-a);
+            }
+            ledGreen = LED_ON;
+            if (i2c_wait(1) != 0) break;
+            for(float a=0.01; a>0.0; a-=0.0002)
+            {
+                ledGreen = LED_ON;
+                wait(a/2);
+                ledGreen = LED_OFF;
+                wait(0.01-a);
+            }
+            if (i2c_wait(400) != 0) break;
+            break;
+        case 2:
+            ledRed = LED_ON;
+            if (i2c_wait(150) != 0) break;
+            ledRed = LED_OFF;
+            if (i2c_wait(150) != 0) break;
+
+            ledGreen = LED_ON;
+            if (i2c_wait(100) != 0) break;
+            ledGreen = LED_OFF;
+
+            ledBlue = LED_ON;
+            if (i2c_wait(150) != 0) break;
+            ledBlue = LED_OFF;
+            break;
+        case 3:
+            ledRed = LED_ON;
+            ledGreen = LED_ON;
+            ledBlue = LED_ON;
+            if (i2c_wait(10) != 0) break;
+
+            ledGreen = LED_OFF;
+            ledBlue = LED_OFF;
+            ledRed = LED_OFF;
+            if (i2c_wait(500) != 0) break;
+            break;
+        case 4:
+            for(float a=0; a<0.01; a+=0.0008)
+            {
+                ledRed = LED_ON;
+                wait(a);
+                ledRed = LED_OFF;
+                wait(0.01-a);
+            }
+            ledRed = LED_ON;
+            if (i2c_wait(1) != 0) break;
+            for(float a=0; a<0.01; a+=0.0008)
+            {
+                ledBlue = LED_ON;
+                wait(a);
+                ledBlue = LED_OFF;
+                wait(0.01-a);
+            }
+            ledBlue = LED_ON;
+            if (i2c_wait(1) != 0) break;
+            for(float a=0.01; a>0.0; a-=0.0008)
+            {
+                ledRed = LED_ON;
+                wait(a);
+                ledRed = LED_OFF;
+                wait(0.01-a);
+            }
+            if (i2c_wait(1) != 0) break;
+            for(float a=0.01; a>0.0; a-=0.0008)
+            {
+                ledBlue = LED_ON;
+                wait(a);
+                ledBlue = LED_OFF;
+                wait(0.01-a);
+            }
+            if (i2c_wait(200) != 0) break;
+            break;
+        default:
+            flashPattern = 0;
+            break;
+        }
+    }
+}
+
+#if 0
+//https://github.com/mbedmicro/mbed/tree/master/libraries/mbed/vendor/NXP/capi/LPC812
+   P0_0 = 0,
+   P0_1 = 1,
+   P0_2 = 2,
+   P0_3 = 3,
+   P0_4 = 4,
+   P0_5 = 5,
+   P0_6 = 6,
+   P0_7 = 7,
+   P0_8 = 8,
+   P0_9 = 9,
+   P0_10 = 10, //SDA
+   P0_11 = 11, //SCL
+   P0_12 = 12,
+   P0_13 = 13,
+   P0_14 = 14,
+   P0_15 = 15,
+   P0_16 = 16,
+   P0_17 = 17,
+   
+   D0 = P0_0,
+   D1 = P0_4,
+   D2 = P0_6,
+   D3 = P0_8,
+   D4 = P0_9,
+   
+   D7 = P0_7,
+   D8 = P0_17,
+   D9 = P0_16,
+   D10 = P0_13,
+   D11 = P0_14,
+   D12 = P0_15,
+   D13 = P0_12,
+   
+   A4 = P0_10,
+   A5 = P0_11,
+   
+   // LPC800-MAX board
+   LED_RED = P0_7,
+   LED_GREEN = P0_17,
+   LED_BLUE = P0_16,
+   
+   // mbed original LED naming
+   LED1 = LED_BLUE,
+   LED2 = LED_GREEN,
+   LED3 = LED_RED,
+   LED4 = LED_RED,
+   
+   // Serial to USB pins
+   USBTX = P0_6,
+   USBRX = P0_1,
+#endif

diff -r 000000000000 -r c2c6f009e2d1 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Oct 13 03:42:55 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/a9913a65894f
\ No newline at end of file