- #include <csl.h>
- #include <csl_pll.h>
- #include <csl_chip.h>
- #include <csl_gpio.h>
- typedef unsigned char uchar;
- typedef unsigned int uint;
- #define Smg_a 0x80
- #define Smg_b 0x40
- #define Smg_c 0x20
- #define Smg_d 0x01
- #define Smg_e 0x02
- #define Smg_f 0x08
- #define Smg_g 0x04
- #define Smg_dp 0x10
- #define Bmp0Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_e | Smg_f
- #define Bmp1Map Smg_b | Smg_c
- #define Bmp2Map Smg_a | Smg_b | Smg_d | Smg_e | Smg_g
- #define Bmp3Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_g
- #define Bmp4Map Smg_b | Smg_c | Smg_f | Smg_g
- #define Bmp5Map Smg_a | Smg_c | Smg_d | Smg_f | Smg_g
- #define Bmp6Map Smg_a | Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
- #define Bmp8Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
- #define Bmp9Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_f | Smg_g
- #define Bmp7Map Smg_a | Smg_b | Smg_c
- #define BmpAMap Smg_a | Smg_b | Smg_c | Smg_e | Smg_f | Smg_g
- #define BmpBMap Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
- #define BmpCMap Smg_a | Smg_d | Smg_e | Smg_f
- #define BmpDMap Smg_b | Smg_c | Smg_d | Smg_e | Smg_g
- #define BmpEMap Smg_a | Smg_d | Smg_e | Smg_f | Smg_g
- #define BmpFMap Smg_a | Smg_e | Smg_f | Smg_g
- unsigned char temp=0;
- #define CS_0 GPIO_RSET(IODATA,temp&0x0fe)
- #define CS_1 GPIO_RSET(IODATA,temp|0X001)
- #define WR_0 GPIO_RSET(IODATA,temp&0x0fd)
- #define WR_1 GPIO_RSET(IODATA,temp|0X002)
- #define DA_0 GPIO_RSET(IODATA,temp&0x0fb)
- #define DA_1 GPIO_RSET(IODATA,temp|0X004)
- const unsigned char SegCode[] = {Bmp0Map,Bmp1Map,Bmp2Map,Bmp3Map,Bmp4Map,Bmp5Map,
- Bmp6Map,Bmp7Map,Bmp8Map,Bmp9Map,BmpAMap,BmpBMap,
- BmpCMap,BmpDMap,BmpEMap,BmpFMap};
- unsigned char DpyNum[6] = {Smg_g,Smg_g,Smg_g,Smg_g,Smg_g,Smg_g}; //显示缓冲区
- unsigned int i;
- void delay(uint x)
- {
- uint i,j;
- for(i=0;i<x;i++)
- for(j=0;j<20;j++);
- }
- void COMMAND_HT1621(unsigned char comm)
- {
- unsigned char i;
- CS_0;
- delay(5);
- WR_0;
- delay(5);
- for(i=0;i<3;i++) //写命令
- {
- if((0x04<<i)&0x04) DA_1; //100
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<9;i++) //写命令数据
- {
- if((comm<<i)&0x80) DA_1; //100
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- CS_1;
- delay(5);
- }
- void HT1621_Display(void)
- {
- unsigned char i;
- CS_0; //片选CS
- delay(5);
- WR_0;
- delay(5);
- for(i=0;i<3;i++) //写命令
- {
- if((0x05<<i)&0x04) DA_1;
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<6;i++) //写地址
- {
- if((20<<i)&0x20) DA_1; //20对应 SEG地址
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[5]<<i)&0x80) DA_1;
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[4]<<i)&0x80) DA_1;
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[3]<<i)&0x80) DA_1;
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[2]<<i)&0x80) DA_1;
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[1]<<i)&0x80) DA_1;
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[0]<<i)&0x80) DA_1;
- else DA_0;
- delay(5);
- WR_0;
- delay(5);
- WR_1;
- delay(5);
- }
- CS_1; //释放CS
- delay(5);
- }
- void LCD_Init(void)
- {
- COMMAND_HT1621(0x01); //SYS EN
- COMMAND_HT1621(0x03); //LCD ON
- COMMAND_HT1621(0x29); //4 COM 1/3 BIAS
- HT1621_Display(); //clear screen
- }
- void delay1();
- /*锁相环的设置*/
- PLL_Config myConfig = {
- 0, //IAI: the PLL locks using the same process that was underway
- //before the idle mode was entered
- 1, //IOB: If the PLL indicates a break in the phase lock,
- //it switches to its bypass mode and restarts the PLL phase-locking
- //sequence
- 24, //PLL multiply value; multiply 24 times
- 1 //Divide by 2 PLL divide value; it can be either PLL divide value
- //(when PLL is enabled), or Bypass-mode divide value
- //(PLL in bypass mode, if PLL multiply value is set to 1)
- };
- main()
- {
- /*初始化CSL库*/
- CSL_init();
-
- /*设置系统的运行速度为144MHz*/
- PLL_config(&myConfig);
-
- /*确定方向为输出*/
- GPIO_RSET(IODIR,0xFF);
- LCD_Init();
- DpyNum[0] = SegCode[0]; //"三"
- DpyNum[1] = SegCode[3];
- DpyNum[2] = SegCode[6];
- DpyNum[3] = SegCode[9];
- DpyNum[4] = SegCode[12];
- DpyNum[5] = SegCode[15];
- HT1621_Display();
- while(1)
- {
-
-
- }
- }
- void delay1()
- {
- Uint32 j = 0,k = 0;
- for(j = 0;j<0x30;j++)
- {
- for(k= 0;k<0xffff;k++)
- {}
- }
- }
- /******************************************************************************\
- * End of gpio.c
- \******************************************************************************/
我试图用TMS320VC5509A驱动HT1621,可是不成功。
#define CS_0 GPIO_RSET(IODATA,temp&0x0fe)
#define CS_1 GPIO_RSET(IODATA,temp|0X001)
#define WR_0 GPIO_RSET(IODATA,temp&0x0fd)
#define WR_1 GPIO_RSET(IODATA,temp|0X002)
#define DA_0 GPIO_RSET(IODATA,temp&0x0fb)
#define DA_1 GPIO_RSET(IODATA,temp|0X004)
我担心是这几句有问题。
不知道5509有没有对IO口位操作的函数。
请大神指教,谢谢!