Some changes suggested by Rick.

diff --git a/ozyio.c b/ozyio.c
index 6b481293217bded7bd9ac91b0181b5ca1cbb658b..6342844776dabf27cc8ded46e5a50887d061dfbc 100644 (file)
--- a/ozyio.c
+++ b/ozyio.c
@@ -554,8 +554,9 @@ void writepenny(unsigned char mode)
        // send the configuration data to the TLV320 on Penelope or PennyLane
        for (x = 0; x < 16; x += 2)
        {
+               // copy two bytes to buffer and send via I2C
                Penny_TLV320[0] = Penny_TLV320_data[x]; Penny_TLV320[1] = Penny_TLV320_data[x + 1];
-               int ozy_write_i2c(int ep,unsigned char* buffer,int buffer_size); 
+               //int ozy_write_i2c(int ep,unsigned char* buffer,int buffer_size); 
                if (!(ozy_i2c_write(Penny_TLV320,2, 0x1b)))
                {
                        fprintf(stderr,"Unable to configure TLV320 on Penelope via I2C\n");
@@ -655,7 +656,12 @@ int ozy_initialise()
        ozy_get_firmware_string(ozy_firmware_version,8);
        fprintf(stderr,"Ozy FX2 version: %s\n",ozy_firmware_version);
                
-       //ozy_i2c_readvars();
+       //
+       // NOTE (thanks Rick): For I2C to work you need to place jumpers on SCL and SDA on
+       // the OZY/Magister board. This enables firmware detection on adjacent cards
+       // and microphone settings on Penny.
+       //
+       ozy_i2c_readvars();
        ozy_close();
        sleep(1);
        ozy_open();