Maxim Integrated / OneWire

1-Wire® library for mbed. Complete 1-Wire library that supports our silicon masters along with a bit-bang master on the MAX32600MBED platform with one common interface for mbed. Slave support has also been included and more slaves will be added as time permits.

Dependents:   MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more

Superseded by MaximInterface.

Diff: OneWire_Masters/DS2480B/ds2480b.h

Revision:
63:422be898443a
Parent:
32:bce180b544ed
Child:
65:a28ac52ca127
diff -r 268612a10614 -r 422be898443a OneWire_Masters/DS2480B/ds2480b.h
--- a/OneWire_Masters/DS2480B/ds2480b.h	Thu Apr 14 14:38:42 2016 -0500
+++ b/OneWire_Masters/DS2480B/ds2480b.h	Tue Apr 19 21:52:49 2016 +0000
@@ -43,6 +43,14 @@
 {
     public:
     
+    enum DS2480B_BPS
+    {
+        BPS_9600 = 0,
+        BPS_19200 = 2,
+        BPS_57600 = 4,
+        BPS_115200 = 6
+    };
+        
     /**********************************************************//**
     * @brief Ds2480b constructor
     * 
@@ -71,7 +79,7 @@
     * On Exit:
     *    @return 
     **************************************************************/
-    Ds2480b(PinName tx, PinName rx, uint32_t baud);
+    Ds2480b(PinName tx, PinName rx);
     
     
     /**********************************************************//**
@@ -86,6 +94,8 @@
     **************************************************************/
     virtual ~Ds2480b();
     
+    OneWireMaster::CmdResult DS2480B_ChangeBaud(DS2480B_BPS newbaud);
+    
     
     //Part of OneWireMaster that should be implemented for each master
     //See OneWireMaster.h for documentation
@@ -103,8 +113,6 @@
     virtual OneWireMaster::CmdResult OWWriteBlock(const uint8_t *tran_buf, uint8_t tran_len);
     
     virtual OneWireMaster::CmdResult OWReadBlock(uint8_t *rx_buf, uint8_t rx_len);
-    
-    virtual OneWireMaster::CmdResult OWSearch(RomId & romId);
 
     virtual OneWireMaster::CmdResult OWSetSpeed(OWSpeed new_speed);
 
@@ -112,8 +120,34 @@
     
     private:
     
+    void rx_callback(void);
+    void tx_callback(void);
+    
+    OneWireMaster::CmdResult DS2480B_Detect(void);
+    OneWireMaster::CmdResult WriteCOM(uint32_t outlen, uint8_t *outbuf);
+    OneWireMaster::CmdResult ReadCOM(uint32_t inlen, uint8_t *inbuf);
+    void BreakCOM(void);
+    void FlushCOM(void);
+    void SetBaudCOM(uint8_t new_baud);
+    int32_t bitacc(uint32_t op, uint32_t state, uint32_t loc, uint8_t *buf);
+    
     Serial *_p_serial;
     bool _serial_owner;
+    
+    // DS2480B state
+    OWLevel _ULevel; // 1-Wire level
+    DS2480B_BPS _UBaud;  // baud rate
+    uint8_t _UMode;  // command or data mode state
+    uint8_t _USpeed; // 1-Wire communication speed
+    
+    static const size_t MAX_RX_BUFFER_LEN = 256;
+    struct ds2480b_circular_buff_s
+    {
+        uint8_t w_idx;
+        uint8_t r_idx;
+        bool wrap_error;
+        uint8_t buff[MAX_RX_BUFFER_LEN];
+    }rx_buffer;
 };
 
 #endif /*DS2480B_H*/