Commit Iniziale, progetto funzionante caricato su box ETcontroller in

cantina

DS18B20/onewire.h

@@ -0,0 +1,64 @@
+/**
+* @file onewire.h
+* @brief library 1-Wire(www.maxim-ic.com)
+* @author Maciej Rajtar (Published 10 May 2010 www.mbed.org)
+* @author Frederic BLANC
+*/
+#include "mbed.h"
+#ifndef _onewire_
+#define _onewire_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//#define DEBUG 1
+//#define DEBUG_L1 1
+#define ONEWIRE_PIN  D8
+
+#define MAXSENSORS 16
+
+// rom-code size including CRC
+#define OW_ROMCODE_SIZE 8
+
+#define OW_OK          0x00
+#define OW_ERROR       0x01
+#define OW_START_FAIL  0x02
+#define OW_ERROR_CRC   0x03
+#define OW_ERROR_BAD_ID 0x04
+#define OW_BUSY          0x05
+
+#define OW_MATCH_ROM    0x55
+#define OW_SKIP_ROM     0xCC
+#define OW_SEARCH_ROM   0xF0
+#define OW_READ_ROM     0x33
+#define OW_CONDITIONAL_SEARCH     0xEC
+#define OW_OVERDRIVE_SKIP_ROM     0x3C
+#define OW_OVERDRIVE_MATCH_ROM    0x69
+
+#define OW_SHORT_CIRCUIT   0xFF
+#define OW_SEARCH_FIRST    0xFF        // start new search
+#define OW_PRESENCE_ERR    0x01
+#define OW_DATA_ERR        0xFE
+#define OW_LAST_DEVICE     0x00        // last device found
+//            0x01 ... 0x40: continue searching
+
+//PinName pin;
+
+uint8_t search_sensors(uint8_t *nSensors,uint8_t *gSensorIDs );
+uint8_t ow_PullUp(void);
+uint8_t ow_show_id( uint8_t id[], size_t n ,char *text);
+uint8_t ow_test_pin (void);
+uint8_t ow_reset(void);
+uint8_t ow_rom_search( uint8_t diff, uint8_t id[] );
+uint8_t ow_command( uint8_t command, uint8_t id[] );
+uint8_t ow_find_sensor(uint8_t *diff, uint8_t id[]);
+uint8_t ow_parasite_enable(void);
+uint8_t ow_parasite_disable(void);
+uint8_t ow_bit_io( uint8_t b );
+uint8_t ow_byte_wr( uint8_t b );
+uint8_t ow_byte_rd( void );
+
+
+}
+#endif