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:
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