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R_Sw_Check.cpp
- Committer:
- faker
- Date:
- 2011-05-07
- Revision:
- 0:8e3468376286
File content as of revision 0:8e3468376286:
/*****************************************************/ /* 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