]> oss.titaniummirror.com Git - tinyos-2.x.git/blobdiff - tos/platforms/eyesIFX/chips/tda5250/tda5250RegDefaultSettings.h
after some extensive measurements: this seems to be the best compromise
[tinyos-2.x.git] / tos / platforms / eyesIFX / chips / tda5250 / tda5250RegDefaultSettings.h
index 7392c5ade31f1aa6024f6b14a057dd4e22ec5514..9559e779ed05bdb513a5a2bdb079af56b2c51d13 100644 (file)
 
 // Default values of data registers
 
-#define TDA5250_REG_DEFAULT_SETTING_CONFIG           0x84F9 
+/** regulate distance by switching the amplifiers */
+// longest distance
+#define FULL_RANGE                                   0x04F9
+// shorter distance; low gain, high tx energy consumption (30m)
+#define MED_RANGE_HP                                 0x04E9
+// shorter distance; high gain, low tx energy consumption (25m)
+#define MED_RANGE_LP                                 0x04F8
+// shortest: low gain; low tx energy consumption (1m to 3m range)
+#define TABLE_TOP                                    0x04E8
+
+/** regulate distance using variable resistor, values for high tx power */
+#define RF_HITX_DAMPING_0dB  255
+#define RF_HITX_DAMPING_5dB  248
+#define RF_HITX_DAMPING_10dB 245
+#define RF_HITX_DAMPING_15dB 241
+#define RF_HITX_DAMPING_20dB 239
+
+/** regulate distance using variable resistor, values for low tx power */
+#define RF_LOTX_DAMPING_0dB  255
+#define RF_LOTX_DAMPING_5dB  90
+#define RF_LOTX_DAMPING_10dB 67
+#define RF_LOTX_DAMPING_15dB 50
+#define RF_LOTX_DAMPING_16dB 40
+#define RF_LOTX_DAMPING_17dB 30
+
+// choose one
+#define INITIAL_RF_POWER RF_HITX_DAMPING_0dB
+
+#define TDA5250_REG_DEFAULT_SETTING_CONFIG           FULL_RANGE
 #define TDA5250_REG_DEFAULT_SETTING_FSK              0x0A0C
 #define TDA5250_REG_DEFAULT_SETTING_XTAL_TUNING      0x0012
-#define TDA5250_REG_DEFAULT_SETTING_LPF              0x6A
+#define TDA5250_REG_DEFAULT_SETTING_LPF              0x98 
 #define TDA5250_REG_DEFAULT_SETTING_ON_TIME          0xFEC0
 #define TDA5250_REG_DEFAULT_SETTING_OFF_TIME         0xF380
 #define TDA5250_REG_DEFAULT_SETTING_COUNT_TH1        0x0000