void LcdI2c::init(void){ //switch to 4 bit mode send4(0x03,LCD_CMD); delay(100000); send4(0x03,LCD_CMD); delay(100000); send4(0x03,LCD_CMD); delay(100000); send4(0x02,LCD_CMD); delay(100000); //done //setup driver cmd8(LCD_FUNCTIONSET | LCD_4BITMODE | LCD_2LINE | LCD_5x8DOTS); delay(100000); cmd8(LCD_CURSORSHIFT | LCD_MOVERIGHT | LCD_CURSORMOVE ); delay(100000); cmd8(LCD_DISPLAYCONTROL | LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF ); delay(100000); cmd8(LCD_RETURNHOME ) ; delay(100000); cmd8(LCD_CLEARDISPLAY); delay(100000); setBacklight(0); }
/***************************************************************************** * 函 数 名 : hsUartSend * * 功能描述 : HS UART发送数据接口函数 * * 输入参数 : UINT32 u32SrcAddr 需发送的数据的首地址 * UINT32 u32TransLength 需发送的数据的长度 * * 输出参数 : 无 * 返 回 值 : OK 成功 * ERROR 失败 * * 修改记录 :2010年12月16日 鲁婷 创建 *****************************************************************************/ HSUART_STATUS hsUartSend(UINT8 * pucSrcAddr, UINT32 u32TransLength) { // UINT32 regval; UINT8 * pu8Buffer; UINT32 ulTimes; UINT32 ulLeft; /* 参数的有效性检查 */ if((NULL == pucSrcAddr) || (0 == u32TransLength)) { return HSUART_STATUS_PARA_ERR; } pu8Buffer = pucSrcAddr; ulTimes = u32TransLength / 4; ulLeft = u32TransLength % 4; send4((UINT32*)pu8Buffer, ulTimes); /*lint !e826*/ pu8Buffer = pu8Buffer + ulTimes*4; if(ulLeft == 1) { send1(pu8Buffer, 1); } else if(ulLeft == 2) { send2((UINT16*)pu8Buffer, 1); /*lint !e826*/ } else if(ulLeft == 3) { send2((UINT16*)pu8Buffer, 1); /*lint !e826*/ pu8Buffer = pu8Buffer + 1*2; send1(pu8Buffer, 1); } return HSUART_STATUS_OK; }