Diff: main.cpp

Revision:

0:70da5379f95b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 16 11:14:14 2017 +0000
@@ -0,0 +1,89 @@
+#include "mbed.h"
+
+#define MLX90614_ADDR   (0x5A)          // Slave address
+#define MLX90614_TOBJ   (0x07)          // Object temperature register
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~GPIO registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+//~~~structure~~~//
+DigitalOut  led(D13);                   //link leg
+
+//~~~Sensor_I2C~~~//
+I2C         i2c(D14, D15);              //I2C reg(SDA, SCL)
+
+//~~~Serial~~~//
+Serial      pc(D1, D0);                 //Serial reg
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of GPIO registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~Varible registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+//~~~globle~~~//
+Ticker  TT;                             //call a timer
+
+//~~~Sensor_I2C~~~//
+char    data_write[1];                  //buff for write
+char    data_read [3];                  //buff for read
+short   Buff = 0x00;
+float   TOBJ = 0.0;
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Varible registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~Function registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+void    init_IO();                     //initialize IO state
+void    init_TIMER();                  //set TT_main{} rate
+void    TT_main();                     //timebase function rated by TT
+void    read_MLX();                    //read MLX data give raw data
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Function registor~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~main funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+int main()
+{
+    init_IO();                          //initialized value and IRQ(Interrupt request)
+    init_TIMER();                       //start TT_main
+    
+    while(1) {                          //main() loop
+    }
+
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of main funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~init_IO funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+void init_IO(void)                      //initialize
+{
+    led = 0;
+    pc.baud(9600);                      //set baud rate
+    i2c.frequency(100000);              //100kHz
+//    NVIC_SetPriority(I2C1_ER_IRQn, 0);  //!!!!!!!!!!!!!!!!!!!!!!!!!
+//    NVIC_SetPriority(I2C1_EV_IRQn, 0);  //!!!!!!!!!!!!!!!!!!!!!!!!!
+    NVIC_SetPriority(TIM5_IRQn, 51);    //!!!!!!!!!!!!!!!!!!!!!!!!!
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of init_IO funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~Timebase funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+void init_TIMER()                       //set TT_main{} rate
+{
+    TT.attach_us(&TT_main, 10000);      //rate set to 100Hz
+}
+
+void TT_main()                          //interrupt function by TT
+{
+    read_MLX();                         //update MLX data
+    TOBJ = ((float)Buff * 0.02f) - 273.0f;
+    printf("%.2f\n",TOBJ);
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~end of Timebase funtion~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+
+
+
+//↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓read_IMU funtion↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓//
+void read_MLX(void)                     //read MLX data give raw data
+{
+    //TOBJ
+    data_write[0] = MLX90614_TOBJ;      //TOBJ address to buff
+    i2c.write( MLX90614_ADDR<<1 | 0x00, data_write, 1, 1);  //command to RAM access
+    i2c.read ( MLX90614_ADDR<<1 | 0x01, data_read , 3, 0);  //read callback
+    Buff = data_read[1] << 8 |data_read[0];
+}
+//↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑end of read_IMU funtion↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑//
\ No newline at end of file