Diff: ipod.h

Revision:

0:371773dd3dd1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipod.h	Wed May 04 15:41:13 2011 +0000
@@ -0,0 +1,77 @@
+#ifndef IPOD_H
+#define IPOD_H
+
+//#define TX_IRQ
+#define DEBUGPIN    LED2
+
+//enum types { top, playlist, artist, album, genre, song, composer, podcast, endoflist};
+enum playback { play = 1, stop, next, prev, ffwd, frwd, stopf};
+enum aircmd { get_ipod_size = 0x12, get_ipod_name = 0x14, switch_to_main = 0x16, switch_to_item = 0x17, get_count = 0x18, get_names = 0x1a, get_time_status = 0x1c,
+              get_position = 0x1e, get_title = 0x20, get_artist = 0x22, get_album = 0x24, polling = 0x26, play_list = 0x28, command = 0x29,
+              get_shuffle = 0x2c, set_shuffle = 0x2e, get_repeat = 0x2f, set_repeat = 0x31, get_nr_in_playlist = 0x35, jump_to_nr_in_playlist = 0x37, select = 0x38
+            };
+
+class ipod {
+    union conv { int asInt;
+        char asBytes[4];
+    };
+    void copy(char *b, union conv p) ;
+    unsigned copy(char *b) ;
+    Serial *com;
+    void handlerx();
+    void handletx();
+    unsigned char state, length, mode, chk;
+    volatile short command, lastcommand;
+    char *rx_buffer, tx_buffer[16];
+    char tx_size, tx_index;
+    bool rx_ready, tx_ready;
+    enum errors { err_success=0, err_timeout=1, err_failure=2, err_limit=4, err_answer=5, err_unknown}error;
+    char *string; //just a pointer into rx_buffer
+    unsigned arg1, arg2, arg3;
+    volatile unsigned replies;
+    DigitalOut &led;
+protected:
+    void write() {
+        for (int i = 0; i < tx_size; i++)
+            com->putc(tx_buffer[i]);
+    }
+public:
+    ipod(PinName tx, PinName rx);
+    ~ipod() {
+        delete com;
+    }
+//commands
+   void SendAirCmd(unsigned cmd, unsigned arg1=0, unsigned arg2=0, unsigned arg3=0);
+   void guarded_SendAirCmd(unsigned cmd, unsigned arg1=0, unsigned arg2=0, unsigned arg3=0);
+    void SetMode(int);
+//event processing
+    bool ready() {
+        return rx_ready;
+    }
+    void release() {
+        delete[] rx_buffer;
+        rx_ready = false;
+    }
+    void parse();
+    bool waitForReply();
+//getters
+    short cmd() {
+        return command;
+    }
+    const char* text() const {
+        return string;
+    }
+    unsigned Arg1() {
+        return arg1;
+    }
+    unsigned Arg2() {
+        return arg2;
+    }
+    unsigned Arg3() {
+        return arg3;
+    }
+    errors getError() {
+        return error;
+    }
+};
+#endif
\ No newline at end of file