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Diff: R_Sw_Check.cpp
- Revision:
- 0:8e3468376286
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/R_Sw_Check.cpp Sat May 07 12:37:10 2011 +0000 @@ -0,0 +1,69 @@ +/*****************************************************/ +/* Rotary Switch Check.cpp */ +/* */ +/* */ +/*****************************************************/ + +#define SW_CHECK_MAIN +#include "R_Sw_Check.h" + +unsigned char ucRotarySwPol(char swA_0, char swB_0, + char swA_1, char swB_1, + char swA_2, char swB_2, + char swA_3, char swB_3, + int *pol){ + + unsigned char ucRet = 0xFF; + +// Rotary SW0 + *pol = 0; + if((swA_0 == 0) && (g_sw0_0 == 1) && (swB_0 == 1)){ + *pol = -1; + ucRet = 0; + } + if((swA_0 == 1) && (g_sw0_0 == 0) && (swB_0 == 1)){ + *pol = 1; + ucRet = 0; + } + g_sw0_0 = swA_0; + +// Rotary SW1 + *(pol+1) = 0; + if((swA_1 == 0) && (g_sw1_0 == 1) && (swB_1 == 1)){ + *(pol+1) = -1; + ucRet = 1; + } + if((swA_1 == 1) && (g_sw1_0 == 0) && (swB_1 == 1)){ + *(pol+1) = 1; + ucRet = 1; + } + g_sw1_0 = swA_1; + +// Rotary SW2 + *(pol+2) = 0; + if((swA_2 == 0) && (g_sw2_0 == 1) && (swB_2 == 1)){ + *(pol+2) = -1; + ucRet = 2; + } + if((swA_2 == 1) && (g_sw2_0 == 0) && (swB_2 == 1)){ + *(pol+2) = 1; + ucRet = 2; + } + g_sw2_0 = swA_2; + +// Rotary SW3 + *(pol+3) = 0; + if((swA_3 == 0) && (g_sw3_0 == 1) && (swB_3 == 1)){ + *(pol+3) = -1; + ucRet = 3; + } + if((swA_3 == 1) && (g_sw3_0 == 0) && (swB_3 == 1)){ + *(pol+3) = 1; + ucRet = 3; + } + g_sw3_0 = swA_3; + + return ucRet; +} + +#undef SW_CHECK_MAIN \ No newline at end of file