Diff: OneWire_Masters/GPIO/owgpio.h

Revision:

9:641516a3f0dc

Parent:

5:ce108eeb878d

Child:

10:0df2cc66fc47

diff -r 7c7a0ea0c568 -r 641516a3f0dc OneWire_Masters/GPIO/owgpio.h
--- a/OneWire_Masters/GPIO/owgpio.h	Thu Feb 25 06:03:23 2016 +0000
+++ b/OneWire_Masters/GPIO/owgpio.h	Mon Feb 29 02:35:12 2016 +0000
@@ -56,6 +56,29 @@
 {
     public:
     
+    //1-wire timming constants for bit-bang.
+    //Tested on MAX32600MBED board, you will have to adjust if using a different board
+    //values in comments are real timming values
+    
+    //Reset Pulse
+    static const uint16_t TRSTL_STD = (2250); //560us, from falling edge
+    
+    //Master sample time for PD
+    static const uint16_t TMSP_STD = (250); //68us, from rising edge of reset pulse
+    
+    //Write 0
+    static const uint16_t TW0L_STD = (240); //64us, from falling edge
+    
+    //Write 1, Read low time
+    static const uint16_t TW1L_STD = (20); //8us, from falling edge
+    
+    //Master sample time for bit
+    static const uint16_t TMSR_STD = (3); //12us, from falling edge
+    
+    //make sure to use TSLOT for recoveries, 70us is greater than min value
+    static const uint16_t TSLOT_STD = (70); //70us, measured from falling to falling.
+    
+    
     /**********************************************************//**
     * @brief 
     * 
@@ -129,7 +152,15 @@
     DigitalInOut _ow_gpio;
     DigitalOut _ext_spu;
     
+    OW_SPEED _ow_speed;
+    OW_LEVEL _ow_level;
+    
+    // Search state
     uint8_t _rom_number[ROMnumberLen];
+    uint8_t _last_discrepancy;
+    uint8_t _last_family_discrepancy;
+    uint8_t _last_device_flag;
+    uint8_t _crc8;    
 };
 
 #endif /*OWGPIO_H*/