本帖最后由 比神乐 于 2021-1-25 13:18 编辑
今天捣鼓了一下HT1621
硬件接线
CS:PD8
WR:PB14
DA:PB12
代码:
- #include <stdio.h>
- #include "at32f4xx.h"
- #include "at32_board.h"
- /** @addtogroup AT32F407_StdPeriph_Examples
- * @{
- */
- /** @addtogroup GPIO_LEDToggle
- * @{
- */
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- /* Private function prototypes -----------------------------------------------*/
- /* Private functions ---------------------------------------------------------*/
- #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 CS_GPIO->BRE = CS_PIN
- #define CS_1 CS_GPIO->BSRE = CS_PIN
- #define WR_0 WR_GPIO->BRE = WR_PIN
- #define WR_1 WR_GPIO->BSRE = WR_PIN
- #define DA_0 DA_GPIO->BRE = DA_PIN
- #define DA_1 DA_GPIO->BSRE = DA_PIN
- 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(unsigned int x)
- {
- unsigned int i,j;
- for(i=0;i<x;i++)
- for(j=0;j<5;j++);
- }
- void COMMAND_HT1621(unsigned char comm)
- {
- unsigned char i;
- CS_0;
- delay(2);
- WR_0;
- delay(2);
- for(i=0;i<3;i++) //写命令
- {
- if((0x04<<i)&0x04) DA_1; //100
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- for(i=0;i<9;i++) //写命令数据
- {
- if((comm<<i)&0x80) DA_1; //100
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- CS_1;
- delay(2);
- }
- void HT1621_Display(void)
- {
- unsigned char i;
- CS_0; //片选CS
- delay(2);
- WR_0;
- delay(2);
- for(i=0;i<3;i++) //写命令
- {
- if((0x05<<i)&0x04) DA_1;
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- 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(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[5]<<i)&0x80) DA_1;
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[4]<<i)&0x80) DA_1;
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[3]<<i)&0x80) DA_1;
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[2]<<i)&0x80) DA_1;
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[1]<<i)&0x80) DA_1;
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[0]<<i)&0x80) DA_1;
- else DA_0;
- delay(2);
- WR_0;
- delay(2);
- WR_1;
- delay(2);
- }
- CS_1; //释放CS
- delay(2);
- }
- 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 AT32_HT1621_Init(void)
- {
- GPIO_InitType GPIO_InitStructure;
- /*Enable the LED Clock*/
- RCC_APB2PeriphClockCmd(CS_GPIO_RCC_CLK|WR_GPIO_RCC_CLK|DA_GPIO_RCC_CLK, ENABLE);
- /*Configure the LED pin as ouput push-pull*/
- GPIO_StructInit(&GPIO_InitStructure);
- GPIO_InitStructure.GPIO_Pins = CS_PIN;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT_PP;
- GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_10MHz;
- GPIO_Init(CS_GPIO, &GPIO_InitStructure);
-
- GPIO_InitStructure.GPIO_Pins = WR_PIN;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT_PP;
- GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_10MHz;
- GPIO_Init(WR_GPIO, &GPIO_InitStructure);
-
- GPIO_InitStructure.GPIO_Pins = DA_PIN;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT_PP;
- GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_10MHz;
- GPIO_Init(DA_GPIO, &GPIO_InitStructure);
- }
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] Main Function.
- * @param None
- * @retval None
- */
- int main(void)
- {
- AT32_Board_Init();
- AT32_HT1621_Init();
- LCD_Init();
- DpyNum[0] = Smg_a|Smg_d|Smg_g; //"三"
- DpyNum[1] = SegCode[1];
- DpyNum[2] = SegCode[3];
- DpyNum[3] = SegCode[5];
- DpyNum[4] = SegCode[7];
- DpyNum[5] = SegCode[9];
- HT1621_Display(); //刷新LCD
- for(;;)
- {
- AT32_LEDn_Toggle(LED2);
- Delay_ms(1000);
-
- }
- }
- #ifdef USE_FULL_ASSERT
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t* file, uint32_t line)
- {
- /* User can add his own implementation to report the file name and line number,
- ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* Infinite loop */
- while (1)
- {}
- }
- #endif
- /**
- * @}
- */
- /**
- * @}
- */
效果图:
阴天,图片不是很清楚,隐隐约约可以看到。
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