Revision 1:f56db8105a6a, committed 2018-08-06

Comitter:

vtoffoli

Date:

Mon Aug 06 11:31:46 2018 +0000

Parent:

0:74a0756399ff

Commit message:

simple blinking

Changed in this revision

diff -r 74a0756399ff -r f56db8105a6a COG4050_blink.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/COG4050_blink.lib	Mon Aug 06 11:31:46 2018 +0000
@@ -0,0 +1,1 @@
+http://os.mbed.com/users/APS_Lab/code/COG4050_ADT7420/#74a0756399ff

diff -r 74a0756399ff -r f56db8105a6a main.cpp
--- a/main.cpp	Tue Jun 05 13:03:07 2018 +0000
+++ b/main.cpp	Mon Aug 06 11:31:46 2018 +0000
@@ -1,97 +1,15 @@
 #include "mbed.h"
 
-#define ADT7420 0x48
-
-#define RESET_REG 0x2F
-#define TEMP_REG 0x00
-#define ID_REG 0x0B
-
 
 DigitalOut led1(LED1);
-DigitalOut sensor(D8);
-
-I2C Myi2c(I2C_SDA, I2C_SCL);
-
-Serial pc(USBTX, USBRX);
+DigitalOut led2(LED2);
 
-void ADT7420_reset(void);
-int ADT7420_GetID(void);
-int ADT7420_GetTemp(void);
-
-// main() runs in its own thread in the OS
 int main() {
-    float status;
-    int res;
-    sensor=1;
-    //configure for UART
-    pc.baud(115200);
-    pc.printf("I2C ADT7420 Demo\n");
-   
-    //configure for I2C @400KHz
-    Myi2c.frequency(100000);
-   
-    //configure for ADT7420
-    
-    pc.printf("[RESET ] ADT7420\n"); 
-    ADT7420_reset();
-    wait(0.5);
-
-    pc.printf("[CHECK ID] ADT7420\n"); 
-    ADT7420_GetID();
-
-    
     while (true) {
-        led1 = 0;
-        
-        pc.printf("[Get Temp] ADT7420\n"); 
-        res = ADT7420_GetTemp();
-        
-        if(res & 0x1000)
-        {
-            status = (float)((res - 8192) / 16);
-        }
-        else
-        {
-            status = (float)(res / 16);
-        }
-        
-        pc.printf("Current Temp %.0f \n", status);
-            
-        wait(0.5);
-        led1 = 1;
-        wait(0.5);
+        double i;
+        led2 = !led2;
+        for(i=0.05; i<0.5; i=i+0.05){ 
+            led1 = !led1;
+            wait(i);}
     }
-    
-}
-
-void ADT7420_reset(void)
-{
-    char cmd_reset[1];
-    cmd_reset[0] = RESET_REG;
-    Myi2c.write(ADT7420, cmd_reset, 1);
-}
-    
-int ADT7420_GetID(void)
-{
-    char cmd_id[1], read_val;
-    cmd_id[0]=ID_REG;
-    Myi2c.write(ADT7420, cmd_id, 1, 1);
-    Myi2c.read(ADT7420, &read_val, 1);
-    pc.printf("ID %02x\n", read_val);
-    return read_val;
-}
-
-int ADT7420_GetTemp(void)
-{
-    char cmd_temp[1], read_val[2];
-    int temp=0;
-    cmd_temp[0]=TEMP_REG;
-    Myi2c.write(ADT7420, cmd_temp, 1, 1);
-    Myi2c.read(ADT7420, read_val, 2);
-    pc.printf("Temp Upper %02x\n", read_val[0]);
-    pc.printf("Temp Lower %02x\n", read_val[1]);
-    
-    temp = (int)((read_val[0] << 8) | read_val[1]);
-    temp >>= 3;
-    return temp;
-}
+}
\ No newline at end of file