TG12232-LCD屏驱动加应用代码.rar_LCD驱动 字库_TG12232-LCD屏驱动加应用代码_TG12232B_tg

#include "stdlib.h" #include "global.h" #include "memmap.h" #include "gpio.h" #include "func.h" #include "util.h" #include "ircmd.h" #include "graph.h" #ifdef SUPPORT_BUSLCD_DEVICE /************************************************************************ * LCD Interface Define * ************************************************************************/ #define LCD_STB 97 #define LCD_DAT 98 #define LCD_ACK 99 #define LCD_STB_HIGH (GPIO_E_SET(LCD_STB, 0)) #define LCD_DAT_HIGH (GPIO_E_SET(LCD_DAT, 0)) #define LCD_ACK_HIGH (GPIO_E_SET(LCD_ACK, 0)) #define LCD_STB_LOW (GPIO_O_SET(LCD_STB, 0)); (GPIO_E_SET(LCD_STB, 1)) #define LCD_DAT_LOW (GPIO_O_SET(LCD_DAT, 0)); (GPIO_E_SET(LCD_DAT, 1)) #define LCD_ACK_LOW (GPIO_O_SET(LCD_ACK, 0)); (GPIO_E_SET(LCD_ACK, 1)) #define LCD_STB_READ (GPIO_I_GET(LCD_STB)) #define LCD_DAT_READ (GPIO_I_GET(LCD_DAT)) #define LCD_ACK_READ (GPIO_I_GET(LCD_ACK)) /************************************************************************ * LCD Bus Variabler * ************************************************************************/ #define FIFO_SEND_FI(d) *(LCDSendFIFO + (LCDSendFI++)) = (d) #define FIFO_SEND_FO(d) (d) = *(LCDSendFIFO + (LCDSendFO++)) #define FIFO_SEND_FO_BACK(d) *(LCDSendFIFO + (--LCDSendFO)) = (d) #define FIFO_RECV_FI(d) *(LCDRecvFIFO + (LCDRecvFI++)) = (d) #define FIFO_RECV_FO(d) (d) = *(LCDRecvFIFO + (LCDRecvFO++)) #define FIFO_SEND_EMPTY (LCDSendFI == LCDSendFO) #define FIFO_RECV_EMPTY (LCDRecvFI == LCDRecvFO) #define FIFO_SEND_FULL ((LCDSendFI + 1) == LCDSendFO) #define FIFO_RECV_FULL ((LCDRecvFI + 1) == LCDRecvFO) /************************************************************************ * LCD Subroutine * ************************************************************************/ void FinishLCD() { LCD_STB_HIGH; LCD_DAT_HIGH; LCD_ACK_HIGH; LCDStep = 0; LCDBitCount = 0; LCDTryCount = 10; LCDSendFlag = FALSE; } void LCDInitGPIO() { GPIO_M_SET(LCD_STB, 1); GPIO_M_SET(LCD_DAT, 1); GPIO_M_SET(LCD_ACK, 1); GPIO_O_SET(LCD_STB, 0); GPIO_O_SET(LCD_DAT, 0); GPIO_O_SET(LCD_ACK, 0); LCDSendFI = 0; LCDSendFO = 0; LCDRecvFI = 0; LCDRecvFO = 0; FinishLCD(); } void LCDSendData(BYTE Comm, BYTE Data) { LCDSendDataBackup = (Comm << 8) | Data; FIFO_SEND_FI(LCDSendDataBackup); LCDSendDoneFlag = FALSE; } #define LCD_TIME_EXPIRED (20) // 20mS void PollingLCD() { if (LCDStep && LCDBitTimer == 0) { if (LCDSendFlag) { FIFO_SEND_FO_BACK(LCDDataBackup); } FinishLCD(); return; } switch (LCDStep) { case 0x00: if (LCD_DAT_READ) { if (!FIFO_SEND_EMPTY && LCDTryCount == 0) { LCDTryCount = 10; LCD_DAT_LOW; FIFO_SEND_FO(LCDData); LCDDataBackup = LCDData; LCDSendFlag = TRUE; LCDStep = 0x10; } else if (LCDTryCount) { LCDTryCount--; } } else { LCD_ACK_LOW; LCDStep = 0x20; } LCDBitTimer = LCD_TIME_EXPIRED; return; break; case 0x10: if (LCD_ACK_READ) return; LCD_DAT_HIGH; break; case 0x11: if (!LCD_ACK_READ) return; if (LCDData & 0x8000) { LCD_DAT_HIGH; } else { LCD_DAT_LOW; } LCD_STB_LOW; break; case 0x12: if (LCD_ACK_READ) return; LCD_STB_HIGH; if (LCDBitCount >= 15) { LCDBitCount = 0; LCD_DAT_HIGH; LCD_ACK_LOW; } else { LCDBitCount++; LCDData <<= 1; LCDStep = 0x10; } break; case 0x13: if (LCD_STB_READ) return; LCD_ACK_HIGH; break; case 0x14: if (!LCD_STB_READ) return; #if 0 psprintf(LineBuffer, "LCDS : %04x", LCDDataBackup); MenuPrintMessage(2); #endif if (LCDDataBackup == LCDSendDataBackup) { LCDSendDoneFlag = TRUE; } FinishLCD(); return; case 0x20: if (!LCD_DAT_READ) return; LCD_ACK_HIGH; break; case 0x21: if (LCD_STB_READ) return; LCDData <<= 1; if (LCD_DAT_READ) LCDData |= 0x01; LCD_ACK_LOW; break; case 0x22: if (!LCD_STB_READ) return; LCD_ACK_HIGH; if (LCDBitCount >= 15) { LCDBitCount = 0; LCD_DAT_HIGH; } else { LCDBitCount++; LCDStep = 0x20; } break; case 0x23: if (LCD_ACK_READ) return; LCD_DAT_HIGH; LCD_STB_LOW; break; case 0x24: if (!LCD_ACK_READ) return; FinishLCD(); FIFO_RECV_FI(LCDData); return; } LCDStep++; LCDBitTimer = LCD_TIME_EXPIRED; } /************************************************************************ * Communication Subroutine * ************************************************************************/ void PollingLCDComm() { UINT16 CommData; BYTE Comm, Data; if (!FIFO_RECV_EMPTY) { FIFO_RECV_FO(CommData); Comm = CommData >> 8; Data = CommData & 0xFF; #if 0 psprintf(LineBuffer, "LCDR : %04x", CommData); MenuPrintMessage(3); #endif switch (Comm) { case COMM_VER_HARD: break; case COMM_VER_SOFT: LCDVersion = Data; break; case COMM_VER_MISC: break; case COMM_KEY_CODE: LCDProcessKey(Data); break; default: break; } } } void LCDReset() { LCDSendData(COMM_INIT_STATE, 0x00); } /************************************************************************ * LCD Display Subroutine * ************************************************************************/ #define LCD_WIN_W 24 #define LCD_WIN_H 4 enum { LCD_PAGE_STARTUP = 0, LCD_PAGE_MESSAGE, LCD_PAGE_STATION, LCD_PAGE_REPORT, LCD_PAGE_INFO, }; const BYTE LCDReportText[][5] = { { "报警", }, { "故障", }, { "事故", }, { "路堵", }, { "纠纷", }, }; const BYTE LCDReportLen[] = { 4, 4, 4, 4, 4, }; #define LCDReportTextMax 5 void LCDInitVar() { LCDMenuPage = LCD_PAGE_STARTUP; LCDMenuStay = 0; LCDReportType = 0; LCDSelectYesNo = 0; LCDVersion = 0; memset(LCDDataBuff, ' ', LCD_WIN_W * LCD_WIN_H); memset(LCDMsgBuff, ' ', LCD_WIN_W * 2); memset(LCDInfoBuff, ' ', LCD_WIN_W * 2); } BYTE TextLinePick(BYTE *Text, BYTE Wide, BYTE Line) { BYTE Len; BYTE Read; BYTE High; High = 0; Read = 0; while (1) { if (Line == High) break; Len = strlen(Text + Read); if (Len <= Wide) { Read = 0xFF; break; } strcpychn(LineBuffer, Text + Read, Wide); Len = strlen(LineBuffer); Read += Len; High++; } return Read; } void LCDSendStr(BYTE x, BYTE y, BYTE *str) { BYTE i; BYTE Len; Len = strlen(str); LCDSendData(COMM_LCD_DISPLAY, Len + 2); LCDSendData(0, x); LCDSendData(1, y); for (i = 0; i < Len; i++) LCDSendData(i + 2, str[i]); } void LCDClearLine(BYTE Line) { memset(LineBuffer, ' ', LCD_WIN_W); LCDSendStr(0, Line, LineBuffer); } void LCDShowStr(BYTE *Text, BYTE StartLine, BYTE OverLine) { BYTE Line, Index; Line = 0; while (1) { Index = TextLinePick(Text, LCD_WIN_W, Line); if (Index == 0xff) break; strcpychn(CommTempBuffer, Text + Index, LCD_WIN_W); memset(LineBuffer, ' ', LCD_WIN_W); memcpy(LineBuffer, CommTempBuffer, strlen(CommTempBuffer)); LCDSendStr(0, Line + StartLine, LineBuffer); Line++; if (Line + StartLine > OverLine) break; if (Line + StartLine >= LCD_WIN_H) break; } if (Line + StartLine < OverLine) { for (Index = Line + StartLine; Index <= OverLine; Index++) LCDClearLine(Index); } } /************************************************************************ * LCD MENU Subroutine * ************************************************************************/ void LCECLearAll() { memset(LCDDataBuff, ' ', LCD_WIN_W * LCD_WIN_H); LCDShowStr(LCDDataBuff, 0, 3); } void LCDDrawTitle(BYTE *Title) { memset(LCDDataBuff, ' ', LCD_WIN_W); memcp