Revision 11:eff597e2366e, committed 2016-01-08

Comitter:

marcus255

Date:

Fri Jan 08 13:47:36 2016 +0000

Parent:

10:39dd1d3508c3

Commit message:

Latest version

Changed in this revision

--- a/main.cpp	Fri Dec 25 21:35:57 2015 +0000
+++ b/main.cpp	Fri Jan 08 13:47:36 2016 +0000
@@ -1,8 +1,8 @@
 /*
 * Project: I2C to UART converter
-* File: main.cpp
+* File:    main.cpp
 * Utility: simulating I2C Master devices
-* Author: Marek Trojan
+* Author:  Marek Trojan
 */
 
 #include "main.h"
@@ -16,10 +16,11 @@
 
 void write_and_read()
 {
+    //led = !led;
     if (routine == MEMORY_ROUTINE) {
         read_data(&memory_cell_addr);
-        wait_ms(20); 
-        write_data();  
+        wait_ms(20);
+        write_data();
         memory_cell_addr+=0x10;
     } else if (routine == TIME_ROUTINE) {
         rtc_time();
@@ -107,7 +108,7 @@
 
 void write_data()
 {
-    srand(time(NULL)); 
+    srand(time(NULL));
     for (uint8_t i = 0; i < DATA_SIZE; i++) {
         data[i+1] = (char) (rnd() % 90 + 33);
     }
@@ -144,26 +145,28 @@
 
 void init(void)
 {
-    i2c.frequency(I2C_FREQUENCY_STANDARD / 2);
-    i2c_ticker.attach(&write_and_read, 2.0f);
-    left_but.rise(&memory_routine);
-    right_but.rise(&rtc_routine);
-    pc.baud(921600);
+    i2c.frequency(I2C_FREQ_STANDARD / 2);
+    i2c_ticker.attach(&write_and_read, 1.0f);
+    pc.baud(PC_BAUD);
+    pc.attach(&select_routine);
     routine = MEMORY_ROUTINE;
     memory_cell_addr = 0x00;
     m_z=12434,m_w=33254;
 }
 
-void memory_routine(void)
+void select_routine()
 {
-    routine = MEMORY_ROUTINE;
-}
-void rtc_routine(void)
-{
-    if (routine == SENSOR_ROUTINE)
-        routine = TIME_ROUTINE;
-    else
+    char cmd = pc.getc();
+    switch (cmd) {
+        case 'm':
+        routine = MEMORY_ROUTINE;
+        break;
+        case 't':
         routine = SENSOR_ROUTINE;
+        break;
+        default:
+        routine = TIME_ROUTINE; 
+    }    
 }
 
 unsigned int rnd()

--- a/main.h	Fri Dec 25 21:35:57 2015 +0000
+++ b/main.h	Fri Jan 08 13:47:36 2016 +0000
@@ -1,37 +1,36 @@
 /*
 * Project: I2C to UART converter
-* File: main.h
+* File:    main.h
 * Utility: simulating I2C Master devices
-* Author: Marek Trojan
+* Author:  Marek Trojan
 */
 
 #ifndef MAIN_H
 #define MAIN_H
 
 #include "mbed.h"
-#define EEPROM_ADDRESS       0xA0
-#define RTC_ADDR             0xD0
-#define TEMPERATURE_REGISTER 0x11
-#define TIME_REGISTER        0x00
-#define RIGHT_PUSH_BUTTON PTC3
-#define LEFT_PUSH_BUTTON PTC12
-#define DATA_SIZE 16
-#define SENSOR_ROUTINE 1
-#define MEMORY_ROUTINE 2
-#define TIME_ROUTINE   3
-#define I2C_FREQUENCY_STANDARD   100000 /* Hz */
 
-InterruptIn left_but(LEFT_PUSH_BUTTON);
-InterruptIn right_but(RIGHT_PUSH_BUTTON);
+#define EEPROM_ADDRESS        0xA0
+#define RTC_ADDR              0xD0
+#define TEMPERATURE_REGISTER  0x11
+#define TIME_REGISTER         0x00
+#define DATA_SIZE             16
+#define SENSOR_ROUTINE        1
+#define MEMORY_ROUTINE        2
+#define TIME_ROUTINE          3
+#define I2C_FREQ_STANDARD     100000 /* Hz */
+#define PC_BAUD               921600
+
 I2C i2c(PTE0, PTE1);
 Serial pc(USBTX, USBRX);
-DigitalOut led(LED_GREEN);
+//DigitalOut led(LED_GREEN);
 Ticker i2c_ticker;
 void write_data(void);
 void read_data(char*);
 void write_and_read(void);
 void memory_routine(void);
 void rtc_routine(void);
+void select_routine(void);
 
 void rtc_sensor();
 int get_temperature_raw(char*);