Gary Richardson
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testLCD
Test of LCD code
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main.cpp
00001 #include "mbed.h" 00002 #include "lcd_i2c.h" 00003 00004 Serial pc(USBTX, USBRX); // tx, rx 00005 extern char update[NUPDATE]; 00006 00007 int main() { 00008 char ch, row, col; 00009 int address, frequency, rc; 00010 00011 row = col = 0; 00012 pc.printf("Enter address "); 00013 pc.scanf("%x", &address); 00014 pc.printf("\n\rEnter frequency "); 00015 pc.scanf("%d", &frequency); 00016 pc.printf("\n\raddress: 0x%x frequency=%d\n\r", address, frequency); 00017 while(1) 00018 { 00019 pc.scanf("%c ", &ch); 00020 if (ch == 27) 00021 break; 00022 pc.printf("%c", ch); 00023 switch (ch) 00024 { 00025 case 'c': 00026 rc = initLcd(address, frequency); 00027 pc.printf("rc: %d ", rc); 00028 row = 0; 00029 col = 0; 00030 break; 00031 case 'd': 00032 rc = lcdWriteMsg("Now is the time"); 00033 pc.printf("rc: %d ", rc); 00034 break; 00035 case 'e': 00036 rc = lcdPositionCursor(row, col); 00037 pc.printf("rc: %d ", rc); 00038 row ^= 1; 00039 col = (col + 1) % 20; 00040 break; 00041 case 'f': 00042 rc = lcdClearDisplay(); 00043 pc.printf("rc: %d ", rc); 00044 break; 00045 case 'g': 00046 { 00047 int k, j; 00048 j = 0; 00049 pc.printf("\n\r"); 00050 for (k = 0; k < 6; k++) 00051 { 00052 pc.printf("%02x %02x %02x\n\r", update[j], update[j+1], update[j+2]); 00053 j += 3; 00054 } 00055 } 00056 break; 00057 default: 00058 break; 00059 } 00060 } 00061 pc.printf("done\n\r"); 00062 }
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