mirror of
https://github.com/dimoniche/Moyka.git
synced 2026-01-30 09:53:31 +03:00
334 lines
6.9 KiB
C
334 lines
6.9 KiB
C
#include <includes.h>
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#include <intrinsics.h>
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#include "lcd.h"
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const unsigned char rus_sym_table[64]=
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{ 0x41,0xA0,0x42,0xA1,0xE0,0x45,0xA3,0xA4,
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0xA5,0x03,0x4B,0xA7,0x4D,0x48,0x4F,0xA8,
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0x50,0x43,0x54,0xA9,0xAA,0x58,0xE1,0xAB,
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0xAC,0xE2,0xAD,0xAE,0x02,0xAF,0xB0,0xB1,
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0x61,0xB2,0xB3,0xB4,0xE3,0x65,0xB6,0xB7,
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0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0x6F,0xBE,
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0x70,0x63,0xBF,0x79,0xE4,0x78,0xE5,0xC0,
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0xC1,0xE6,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7 };
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void us_delay(unsigned long x)
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{
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while (x--)
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{
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for (int i=0; i<5; i++) __no_operation();
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}
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}
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void LCD_putch(unsigned char data)
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{
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if (data >= 0xC0) data = rus_sym_table[data-0xC0];
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LCD_SET_DATA_OUT();
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// LCD Upper 4 bits data
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LCD_SET_RS_PIN(); // RS = 1, E = 1
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LCD_SET_E_PIN();
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LCD_CLR_RW_PIN();
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us_delay(1);
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LCD_OUT_DATA(data >> 4);
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us_delay(1);
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// E=0; write data
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LCD_CLR_E_PIN();
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us_delay(1);
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// LCD Lower 4 bits data
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LCD_SET_E_PIN(); // RS = 1, E = 1
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us_delay(1);
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LCD_OUT_DATA(data);
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us_delay(1);
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// E=0; write data
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LCD_CLR_E_PIN();
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us_delay(100);
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// OSTimeDly(1); // Wait for busy flag (BF)
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}
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void LCD_putch_table(unsigned char data)
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{
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LCD_SET_DATA_OUT();
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// LCD Upper 4 bits data
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LCD_SET_RS_PIN(); // RS = 1, E = 1
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LCD_SET_E_PIN();
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LCD_CLR_RW_PIN();
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us_delay(1);
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LCD_OUT_DATA(data >> 4);
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us_delay(1);
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// E=0; write data
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LCD_CLR_E_PIN();
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us_delay(1);
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// LCD Lower 4 bits data
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LCD_SET_E_PIN(); // RS = 1, E = 1
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us_delay(1);
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LCD_OUT_DATA(data);
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us_delay(1);
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// E=0; write data
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LCD_CLR_E_PIN();
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us_delay(100);
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// OSTimeDly(1); // Wait for busy flag (BF)
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}
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unsigned char LCD_getch()
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{
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unsigned char data_h, data_l;
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LCD_SET_DATA_IN();
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// LCD Upper 4 bits data
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LCD_SET_RS_PIN(); // RS = 1, E = 1
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LCD_SET_E_PIN();
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LCD_SET_RW_PIN();
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us_delay(1);
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data_h = LCD_IN_DATA();
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LCD_CLR_E_PIN();
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us_delay(1);
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// LCD Lower 4 bits data
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LCD_SET_E_PIN(); // RS = 1, E = 1
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us_delay(1);
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data_l = LCD_IN_DATA();
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LCD_CLR_E_PIN();
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us_delay(100);
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return (data_h << 4) | data_l;
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}
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unsigned char LCD_get_status()
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{
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unsigned char data_h, data_l;
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LCD_SET_DATA_IN();
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// LCD Upper 4 bits data
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LCD_CLR_RS_PIN(); // RS = 0, E = 1
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LCD_SET_E_PIN();
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LCD_SET_RW_PIN();
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us_delay(1);
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data_h = LCD_IN_DATA();
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LCD_CLR_E_PIN();
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us_delay(1);
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// LCD Lower 4 bits data
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LCD_SET_E_PIN(); // RS = 0, E = 1
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us_delay(1);
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data_l = LCD_IN_DATA();
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LCD_CLR_E_PIN();
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us_delay(100);
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return (data_h << 4) | data_l;
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}
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void LCD_putcmd(unsigned char data,unsigned char cmdtype)
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{
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LCD_SET_DATA_OUT();
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// LCD Upper 4 bits data
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LCD_CLR_RS_PIN(); // RS = 0, E = 1
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LCD_SET_E_PIN();
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LCD_CLR_RW_PIN();
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us_delay(1);
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LCD_OUT_DATA(data >> 4);
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us_delay(1);
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// E=0; write data
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LCD_CLR_E_PIN();
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// cmdtype = 0; One cycle write, cmdtype = 1; Two cycle writes
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if (cmdtype == LCD_2CYCLE) {
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// LCD Lower 4 bits data
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us_delay(1);
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LCD_SET_E_PIN(); // RS = 0, E = 1
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us_delay(1);
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LCD_OUT_DATA(data);
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us_delay(1);
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// E=0; write data
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LCD_CLR_E_PIN();
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us_delay(1);
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//while(LCD_get_status() & 0x80);
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OSTimeDly(2); // Wait for busy flag (BF)
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//LCD_get_status();
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}
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}
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void InitLcdPins()
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{
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/*
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P2.8 MK_P65 <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> A0 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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P2.7 MK_P66 <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> E <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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P2.6 MK_P67 <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> R_W <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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P0.19 MK_P59 DB4
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P0.20 MK_P58 DB5
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P0.21 MK_P57 DB6
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P0.22 MK_P56 DB7
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*/
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#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
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OS_CPU_SR cpu_sr = 0;
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#endif
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OS_ENTER_CRITICAL();
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PINSEL4_bit.P2_8 = 0x0;
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PINSEL4_bit.P2_7 = 0x0;
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PINSEL4_bit.P2_6 = 0x0;
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PINMODE4_bit.P2_8 = 0;
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PINMODE4_bit.P2_7 = 0;
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PINMODE4_bit.P2_6 = 0;
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FIO2DIR_bit.P2_8 = 1;
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FIO2DIR_bit.P2_7 = 1;
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FIO2DIR_bit.P2_6 = 1;
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FIO2MASK_bit.P2_8 = 0;
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FIO2MASK_bit.P2_7 = 0;
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FIO2MASK_bit.P2_6 = 0;
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PINSEL1_bit.P0_19 = 0x0;
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PINSEL1_bit.P0_20 = 0x0;
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PINSEL1_bit.P0_21 = 0x0;
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PINSEL1_bit.P0_22 = 0x0;
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PINMODE1_bit.P0_19 = 0;
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PINMODE1_bit.P0_20 = 0;
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PINMODE1_bit.P0_21 = 0;
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PINMODE1_bit.P0_22 = 0;
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FIO0DIR_bit.P0_19 = 1;
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FIO0DIR_bit.P0_20 = 1;
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FIO0DIR_bit.P0_21 = 1;
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FIO0DIR_bit.P0_22 = 1;
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FIO0MASK_bit.P0_19 = 0;
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FIO0MASK_bit.P0_20 = 0;
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FIO0MASK_bit.P0_21 = 0;
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FIO0MASK_bit.P0_22 = 0;
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LCD_CLR_E_PIN();
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LCD_CLR_RW_PIN();
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LCD_CLR_RS_PIN();
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OS_EXIT_CRITICAL();
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}
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unsigned char test = 0;
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void InitLcd()
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{
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InitLcdPins();
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// Wait for more than 15 ms after VCC rises to 4.5 V
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OSTimeDly(30);
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// Send Command 0x30
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LCD_putcmd(0x30,LCD_1CYCLE);
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us_delay(40);
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// Send Command 0x30
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LCD_putcmd(0x30,LCD_1CYCLE);
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us_delay(40);
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// Send Command 0x30
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LCD_putcmd(0x30,LCD_1CYCLE);
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us_delay(40);
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// Function set: Set interface to be 4 bits long (only 1 cycle write).
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LCD_putcmd(0x20,LCD_1CYCLE);
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us_delay(40);
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// Function set: DL=0;Interface is 4 bits, N=1; 2 Lines, F=0; 5x8 dots font)
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LCD_putcmd(0x28,LCD_2CYCLE);
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// Display Off: D=0; Display off, C=0; Cursor Off, B=0; Blinking Off
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LCD_putcmd(0x08,LCD_2CYCLE);
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// Display Clear
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LCD_putcmd(0x01,LCD_2CYCLE);
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// Entry Mode Set: I/D=1; Increment, S=0; No shift
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LCD_putcmd(0x06,LCD_2CYCLE);
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// Display On, Cursor Off
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LCD_putcmd(0x0C,LCD_2CYCLE);
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}
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void LCD_gotoline(unsigned char n)
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{
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switch (n){
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case 0: LCD_putcmd(LCD_GOTO_LINE_0, LCD_2CYCLE); break;
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case 1: LCD_putcmd(LCD_GOTO_LINE_1, LCD_2CYCLE); break;
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case 2: LCD_putcmd(LCD_GOTO_LINE_2, LCD_2CYCLE); break;
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case 3: LCD_putcmd(LCD_GOTO_LINE_3, LCD_2CYCLE); break;
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default: return;
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}
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> n
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void LCD_puts(unsigned char *s, unsigned char n)
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{
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unsigned char i;
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LCD_gotoline(n);
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i=0;
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while((*s != 0) && (*s != '\n') && (i<20))
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{
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LCD_putch(*s);
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s++;
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i++;
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}
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while(i<20)
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{
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LCD_putch(' ');
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i++;
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}
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}
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void LCD_goto(unsigned char m, unsigned char n)
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{
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switch (n){
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case 0: LCD_putcmd(LCD_GOTO_LINE_0+m, LCD_2CYCLE); break;
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case 1: LCD_putcmd(LCD_GOTO_LINE_1+m, LCD_2CYCLE); break;
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case 2: LCD_putcmd(LCD_GOTO_LINE_2+m, LCD_2CYCLE); break;
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case 3: LCD_putcmd(LCD_GOTO_LINE_3+m, LCD_2CYCLE); break;
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default: return;
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}
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> n <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> m
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void LCD_putc(unsigned char c, unsigned char m, unsigned char n)
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{
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LCD_goto(m, n);
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LCD_putch(c);
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> n <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> m
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void LCD_putc_embed(unsigned char c, unsigned char m, unsigned char n)
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{
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LCD_goto(m, n);
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LCD_putch_table(c);
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}
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void LCD_clear(void)
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{
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// Display Clear
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LCD_putcmd(0x01,LCD_2CYCLE);
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}
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void LCD_cursor_on(void)
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{
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LCD_putcmd(0x0F,LCD_2CYCLE);
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}
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void LCD_cursor_off(void)
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{
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LCD_putcmd(0x0C,LCD_2CYCLE);
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}
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