今天真背,PWM没搞好,触摸按键没搞好,只好搞一个段式液晶HT1621了。
代码:
- #include <stddef.h> // Defines NULL
- #include <stdbool.h> // Defines true
- #include <stdlib.h> // Defines EXIT_FAILURE
- #include "definitions.h" // SYS function prototypes
- // *****************************************************************************
- // *****************************************************************************
- // Section: Main Entry Point
- #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_PA06_Clear()
- #define CS_1 GPIO_PA06_Set()
- #define WR_0 GPIO_PB05_Clear()
- #define WR_1 GPIO_PB05_Set()
- #define DA_0 GPIO_PB04_Clear()
- #define DA_1 GPIO_PB04_Set()
- 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)
- {
- for(i=0;i<10;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
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- for(i=0;i<9;i++) //写命令数据
- {
- if((comm<<i)&0x80) DA_1; //100
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- CS_1;
-
- }
- void HT1621_Display(void)
- {
- unsigned char i;
- CS_0; //片选CS
- delay();
- WR_0;
- delay();
- for(i=0;i<3;i++) //写命令
- {
- if((0x05<<i)&0x04) DA_1;
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- 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();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[5]<<i)&0x80) DA_1;
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[4]<<i)&0x80) DA_1;
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[3]<<i)&0x80) DA_1;
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[2]<<i)&0x80) DA_1;
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[1]<<i)&0x80) DA_1;
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[0]<<i)&0x80) DA_1;
- else DA_0;
- delay();
- WR_0;
- delay();
- WR_1;
- delay();
- }
- 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
- }
- // *****************************************************************************
- // *****************************************************************************
- int main ( void )
- {
- /* Initialize all modules */
- SYS_Initialize ( NULL );
- 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();
- while ( true )
- {
- /* Maintain state machines of all polled MPLAB Harmony modules. */
- SYS_Tasks ( );
- }
- /* Execution should not come here during normal operation */
- return ( EXIT_FAILURE );
- }
- /*******************************************************************************
- End of File
- */
初始化代码:
- void SYS_Initialize ( void* data )
- {
- /* MISRAC 2012 deviation block start */
- /* MISRA C-2012 Rule 2.2 deviated in this file. Deviation record ID - H3_MISRAC_2012_R_2_2_DR_1 */
- NVMCTRL_Initialize( );
-
- PORT_Initialize();
- CLOCK_Initialize();
- EVSYS_Initialize();
- NVIC_Initialize();
- /* MISRAC 2012 deviation block end */
- }
- void PORT_Initialize(void)
- {
- /************************** GROUP 0 Initialization *************************/
- PORT_REGS->GROUP[0].PORT_DIR = 0x40U;
- PORT_REGS->GROUP[0].PORT_PINCFG[6] = 0x0U;
- PORT_REGS->GROUP[0].PORT_PMUX[3] = 0x0U;
- /************************** GROUP 1 Initialization *************************/
- PORT_REGS->GROUP[1].PORT_DIR = 0x30U;
- PORT_REGS->GROUP[1].PORT_PINCFG[4] = 0x0U;
- PORT_REGS->GROUP[1].PORT_PINCFG[5] = 0x0U;
- PORT_REGS->GROUP[1].PORT_PMUX[2] = 0x0U;
- /************************** GROUP 2 Initialization *************************/
- /************************** GROUP 3 Initialization *************************/
- }
效果图:
|