看了一下程序，感觉有点像STM32。
先上图
附源代码：
#include "example.h"
#include "gd32f20x.h"
#include "colibri_bsp_led.h"
#if (EVB_EXAMPLE == LED_EXAMPLE)
#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
#define CS_0 GPIO_ResetBits(GPIOE,GPIO_PIN_2);
#define CS_1 GPIO_SetBits(GPIOE,GPIO_PIN_2);
#define WR_0 GPIO_ResetBits(GPIOE,GPIO_PIN_1);
#define WR_1 GPIO_SetBits(GPIOE,GPIO_PIN_1);
#define DA_0 GPIO_ResetBits(GPIOE,GPIO_PIN_0);
#define DA_1 GPIO_SetBits(GPIOE,GPIO_PIN_0);
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(void)
{
unsigned char i;
for(i=0;i<50;i++);
}
void COMMAND_HT1621(unsigned char comm)
{
unsigned char i;
CS_0;
//delay();
WR_0;
//delay();
for(i=0;i<3;i++) //写命令
{
if((0x04<<i)&0x04) DA_1; //100
if(((0x04<<i)&0x04)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<9;i++) //写命令数据
{
if((comm<<i)&0x80) DA_1; //100
if(((comm<<i)&0x80)==0) DA_0;
WR_0;
WR_1;
}
CS_1;
}
void HT1621_Display(void)
{
unsigned char i;
CS_0;
//delay(); //片选CS
WR_0;
//delay();
for(i=0;i<3;i++) //写命令
{
if((0x05<<i)&0x04) DA_1;
if(((0x05<<i)&0x04)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<6;i++) //写地址
{
if((20<<i)&0x20) DA_1; //20对应 SEG地址
if(((20<<i)&0x20)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //写数据
{
if((DpyNum[5]<<i)&0x80) DA_1;
if(((DpyNum[5]<<i)&0x80)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //写数据
{
if((DpyNum[4]<<i)&0x80) DA_1;
if(((DpyNum[4]<<i)&0x80)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //写数据
{
if((DpyNum[3]<<i)&0x80) DA_1;
if(((DpyNum[3]<<i)&0x80)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //写数据
{
if((DpyNum[2]<<i)&0x80) DA_1;
if(((DpyNum[2]<<i)&0x80)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //写数据
{
if((DpyNum[1]<<i)&0x80) DA_1;
if(((DpyNum[1]<<i)&0x80)==0) DA_0;
WR_0;
WR_1;
}
for(i=0;i<8;i++) //写数据
{
if((DpyNum[0]<<i)&0x80) DA_1;
if(((DpyNum[0]<<i)&0x80)==0) DA_0;
WR_0;
WR_1;
}
CS_1; //释放CS
}
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
}
/* 用户应用程序入口函数 */
int main(void)
{
int i;
/* 配置使能评估板上的设备 */
EvbSetupBoard();
PRINTF("感谢使用Colibri开发板\r\n");
PRINTF("\r\n");
PRINTF("##### LED 实验 #####\r\n");
PRINTF("\r\n");
LCD_Init();
DpyNum[0] = Smg_a|Smg_d|Smg_g; //"三"
DpyNum[1] = SegCode[1];
DpyNum[2] = SegCode[2];
DpyNum[3] = SegCode[3];
DpyNum[4] = SegCode[4];
DpyNum[5] = SegCode[5];
HT1621_Display(); //刷新LCD
while(1)
{
// for (i = 0; i< 0x7fffff; i++);
// EvbLedControl(LED1, LED_ON);
// EvbLedControl(LED2, LED_ON);
// EvbLedControl(LED3, LED_ON);
//
// for (i = 0; i< 0x7fffff; i++);
// EvbLedControl(LED1, LED_OFF);
// EvbLedControl(LED2, LED_OFF);
// EvbLedControl(LED3, LED_OFF);
}
}
#endif
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