lcd.rar_arm7 lcd

#include "..\inc\uTypes.h" #include "..\inc\44b0x.h" #include "..\inc\console.h" #include "..\inc\sysUtils.h" //申明函数 void IoConfig (void); void KeyLedTest (void); //我们用这个片编存储我们的IRQ ISR入口地址 U32 pIrqStart = 0; U32 pIrqFinish = 0; U32 pIrqHandler = 0; U32 g_pTopOfROM = 0; U32 g_pBaseOfROM = 0; U32 g_pBaseOfBSS = 0; U32 g_pBaseOfZero = 0; U32 g_pEndOfBSS = 0; extern U32 GetBaseOfROM (void); extern U32 GetEndOfROM (void); extern U32 GetBaseOfBSS (void); extern U32 GetBaseOfZero (void); extern U32 GetEndOfBSS (void); extern void lcmInit (void); extern void lcmSetPos (int nPos); extern void lcmWriteData (U8 byData); extern void lcmWriteCmd (U8 byCmd); U8 dis1[] = "您好!"; U8 dis2[] = "欢迎使用"; U8 dis3[] = "ITSN 44B0 学习板"; int main(void) { int i; sysUtilsSetPllValue (24, 6, 1); IoConfig (); console_init (115200); printf ("\n\nITSN - 44B0 board Test programe version 1.0.\n\n"); //熄灭所有的LED灯 sysUtilsLightLed (LED_ALL, FALSE); g_pTopOfROM = GetEndOfROM (); g_pBaseOfROM = GetBaseOfROM (); g_pBaseOfBSS = GetBaseOfBSS (); g_pBaseOfZero = GetBaseOfZero (); g_pEndOfBSS = GetEndOfBSS (); printf ("g_pTopOfROM = 0x%08x.\n", g_pTopOfROM); printf ("g_pBaseOfROM = 0x%08x.\n", g_pBaseOfROM); printf ("g_pBaseOfBSS = 0x%08x.\n", g_pBaseOfBSS); printf ("g_pBaseOfZero = 0x%08x.\n", g_pBaseOfZero); printf ("g_pEndOfBSS = 0x%08x.\n", g_pEndOfBSS); printf ("&g_pTopOfROM = 0x%08x.\n", &g_pTopOfROM); printf ("&g_pBaseOfROM = 0x%08x.\n", &g_pBaseOfROM); printf ("&g_pBaseOfBSS = 0x%08x.\n", &g_pBaseOfBSS); lcmInit (); lcmSetPos(0x03); // 设置显示位置为第一行的第5个字符 i = 0; while(dis1[i] != '\0') { lcmWriteData (dis1[i]); i++; } lcmSetPos(0x12); // 设置显示位置为第二行第二个字符 i = 0; while(dis2[i] != '\0') { lcmWriteData (dis2[i]); i++; } lcmSetPos(0x08); // 设置显示位置 第三行 i = 0; while(dis3[i] != '\0') { lcmWriteData (dis3[i]); i++; } for (;;); return 0; } /**************************************************************************** 函数名称: IoConfig 功 能: 初始化IO口 参 数: 无 返回 值: 无 ****************************************************************************/ void IoConfig (void) { // PORT A GROUP /* BIT 9 8 7 6 5 4 3 2 1 0 */ /* A24 A23 A22 A21 A20 A19 A18 A17 A16 A0 */ /* 0 1 1 1 1 1 1 1 1 1 */ rPCONA = 0x1ff; // PORT B GROUP /* BIT 10 9 8 7 6 5 4 3 2 1 0 */ /* /CS5 /CS4 /CS3 /CS2 /CS1 nWBE3 nWBE2 /SRAS /SCAS SCLK SCKE */ /* EXT NIC 8019 IDE D12 NC NC Sdram Sdram Sdram Sdram */ /* 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 */ rPDATB = 0x04f; rPCONB = 0x3cf; //PORT C GROUP //BUSWIDTH=16 */ /* PC15 14 13 12 11 10 9 8 */ /* o o RXD1 TXD1 o o o o */ /* NC NC Uart1 Uart1 NC NC NC NC */ /* 01 01 11 11 01 01 01 01 */ /* PC7 6 5 4 3 2 1 0 */ /* o o o o o o o o */ /* NC NC NC NC LED LED LED LED */ /* 01 01 01 01 01 01 01 01 */ rPDATC = 0x0000; //All IO is low rPCONC = 0x5f555555; rPUPC = 0x3000; //PULL UP RESISTOR should be enabled to I/O //PORT D GROUP /* PORT D GROUP(I/O OR LCD) */ /* BIT7 6 5 4 3 2 1 0 */ /* VF VM VLINE VCLK VD3 VD2 VD1 VD0 */ /* 01 01 01 01 01 01 01 01 */ rPDATD= 0x55; rPCOND= 0xaaaa; rPUPD = 0x00; //These pins must be set only after CPU's internal LCD controller is enable ///////////////////////////////////////////////////// //PORT E GROUP /* Bit 8 7 6 5 4 3 2 1 0 */ /* ENDLAN o o TOU2 o o RXD0 TXD0 FOUT */ /* 00 01 01 10 01 01 10 10 11 */ rPDATE = 0x157; //Beep = 10 rPCONE = 0x596b; rPUPE = 0xff; //PORT F GROUP /* Bit8 7 6 5 4 3 2 1 0 */ /* IISCLK IISDI IISDO IISLRCK Input Input Input IICSDA IICSCL */ /* 100 100 100 100 00 00 00 10 10 */ rPDATF = 0x0; rPCONF = 0x24900a; rPUPF = 0x1d3; //PORT G GROUP /* BIT7 6 5 4 3 2 1 0 */ /* EINT7 EINT6 EINT5 EINT4 EINT3 EINT2 EINT1 EINT0 */ /* KEY3 KEY2 KEY1 KEY0 NIC EXT IDE USB */ /* 11 11 11 11 11 11 11 11 */ rPDATG = 0xff; rPCONG = 0x0000; rPUPG = 0x00; //should be enabled rSPUCR= 0x4;//0x7; //D15-D0 pull-up disable //rSPUCR= 0x6; //D15-D0 pull-up enable rSYSCFG = 0x0e; //使用8K字节的指令缓存,write buffer disable rNCACHBE0 = 0xc0002000; //定义非Cache区,从0x2000000到0xbffffff,中断时进入ROM,若不允许CACHE不正常 rEXTINT = 0x0; //所有的外部硬件中断为低电平触发 } /**************************************************************************** 函数名称: KeyLedTest 功 能: 测试1 * 4键盘，4个按键是接在EXTINT 4,5,6,7上面的， 当我们检测到有按键的时候就用LED显示相关的按键信息! 参 数: 无 返回 值: 空 ****************************************************************************/ #define EXTINT4 0 #define EXTINT5 1 #define EXTINT6 2 #define EXTINT7 3 #define EXTINT4567 21 #define INTTRIG_LOW 0x00 #define INTTRIG_HIGH 0x01 #define INTTRIG_FALLING 0x02 #define INTTRIG_RISING 0x04 #define INTTRIG_BOTHEDGE 0x05 void KeyLedTest (void) { U32 dwVal; //设置IO 口PORT G rPCONG |= 0xff00; //设置中断 rINTMOD &= ~MASK_BIT(21); rINTCON &= ~MASK_BIT(1); //设置EXTINT4,5,6,7中断模式,我们这里使用低电平触发 rEXTINT &= 0xffff; //先清除EXTINT4,5,6,7的相应设置bit位 for (;;) { dwVal = rINTPND; if ((dwVal & MASK_BIT(21)) == 0) { continue; } //EXTINTPND 寄存器，判断是哪个外部中断触发 dwVal = rEXTINTPND; if ((dwVal & MASK_BIT(EXTINT4)) != 0) { rEXTINTPND |= MASK_BIT(EXTINT4); //外部中断4 产生了，点亮LED1 sysUtilsLightLed (LED1, TRUE); } if ((dwVal & MASK_BIT(EXTINT5)) != 0) { rEXTINTPND |= MASK_BIT(EXTINT5); //外部中断4 产生了，点亮LED2 sysUtilsLightLed (LED2, TRUE); } if ((dwVal & MASK_BIT(EXTINT6)) != 0) { rEXTINTPND |= MASK_BIT(EXTINT6); //外部中断4 产生了，点亮LED3 sysUtilsLightLed (LED3, TRUE); } if ((dwVal & MASK_BIT(EXTINT7)) != 0) { rEXTINTPND |= MASK_BIT(EXTINT7); //外部中断4 产生了，点亮LED1,2,3 sysUtilsLightLed (LED_ALL, FALSE); } //最后清除中断位 //rI_ISPC |= MASK_BIT(21); rI_ISPC = dwVal; } }