update constants to measured reality. resistors in HF circuits are fun.

[tinyos-2.x.git] / tos / platforms / eyesIFX / chips / tda5250 / tda5250RegDefaultSettings.h

diff --git a/tos/platforms/eyesIFX/chips/tda5250/tda5250RegDefaultSettings.h b/tos/platforms/eyesIFX/chips/tda5250/tda5250RegDefaultSettings.h
index 7392c5ade31f1aa6024f6b14a057dd4e22ec5514..13cb7d771b8e0720e69d249c42d98edcbdb6630b 100644 (file)
--- a/tos/platforms/eyesIFX/chips/tda5250/tda5250RegDefaultSettings.h
+++ b/tos/platforms/eyesIFX/chips/tda5250/tda5250RegDefaultSettings.h
@@ -43,10 +43,38 @@
 
 // Default values of data registers
 
-#define TDA5250_REG_DEFAULT_SETTING_CONFIG           0x84F9 
+/** regulate distance by switching the amplifiers */
+// longest distance
+#define FULL_RANGE                                   0x84F9
+// shorter distance; low rx, high tx energy consumption (30m)
+#define MED_RANGE_LP                                 0x84E9
+// shorter distance; high rx, low tx energy consumption (25m)
+#define MED_RANGE_HP                                 0x84F8
+// shortest: low rx; low tx energy consumption (1m to 3m range)
+#define TABLE_TOP                                    0x84E8
+
+/** 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              0x68 
 #define TDA5250_REG_DEFAULT_SETTING_ON_TIME          0xFEC0
 #define TDA5250_REG_DEFAULT_SETTING_OFF_TIME         0xF380
 #define TDA5250_REG_DEFAULT_SETTING_COUNT_TH1        0x0000