143 lines
3.2 KiB
C
143 lines
3.2 KiB
C
#include "chars.h"
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#include <timing.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <devices.h>
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#include <drv_lcd.h>
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#include <drv_lcd_util.h>
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#define MSG_SIZE 128
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drv_lcd_t *display;
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const uint32_t delay = 1500;
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void init(void)
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{
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uint8_t *cdata = chardata;
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display = lcd_open(DRV_LCD_1);
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for (uint32_t i = 0; i < charmax; i++)
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{
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lcd_set_custom_char(display, i, cdata + i * 8);
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}
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}
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void lcd_print(const char *msg)
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{
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uint8_t size;
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for (size = 0; size < MSG_SIZE; size++)
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{
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if (msg[size] == '\0') break;
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}
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lcd_write(display, msg, size);
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}
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void main (void)
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{
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char Msg[MSG_SIZE];
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uint32_t count = 0;
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static uint64_t start_tick;
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uint32_t elapsed;
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init();
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lcd_set_cursor(display, 0, 0);
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start_tick = clock_ms();
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lcd_print("LCD Driver\nVersion 1.0");
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delay_ms(delay);
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while (1)
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{
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lcd_print("\f\r-=Introducing=-\n");
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delay_ms(delay * 2);
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lcd_goto_xy(display, 0, 0);
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for (uint32_t i = 0; i < 16; i++)
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{
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lcd_write_char(display, ctop[i]);
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}
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lcd_goto_xy(display, 0, 1);
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for (uint32_t i = 0; i < 16; i++)
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{
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lcd_write_char(display, cbot[i]);
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}
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delay_ms(delay * 3);
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lcd_print("\fUsing printf() &\n");
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delay_ms(delay);
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lcd_print("I/O re-direction\n");
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delay_ms(delay);
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lcd_print("for easy output\n");
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delay_ms(delay);
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lcd_print("using format \n");
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delay_ms(delay);
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lcd_print("operators\n");
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delay_ms(delay);
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lcd_print("such as %%x, \n");
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delay_ms(delay);
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sprintf(Msg,"e.g. count: 0x%02x\n", count);
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lcd_print(Msg);
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delay_ms(delay);
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lcd_print("Time since reset\n");
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delay_ms(delay);
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elapsed = elapsed_time_ms(start_tick);
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sprintf(Msg, "%02d days\n", elapsed / ((60 * 60 * 1000 * 24)));
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lcd_print(Msg);
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delay_ms(delay);
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sprintf(Msg, "%02d hours\n", (elapsed / (60 * 60 * 1000)) % 24);
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lcd_print(Msg);
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delay_ms(delay);
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sprintf(Msg, "%02d minutes\n", (elapsed / (60 * 1000)) % 60);
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lcd_print(Msg);
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delay_ms(delay);
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sprintf(Msg, "%02d seconds\n", (elapsed / 1000) % 60);
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lcd_print(Msg);
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delay_ms(delay);
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lcd_print("Form Feed will\nclear the LCD\n");
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delay_ms(delay);
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lcd_print("\f\n");
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lcd_print("3 Backspaces:");
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delay_ms(delay);
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lcd_print("\b\b\bHere.\n");
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delay_ms(delay);
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lcd_print("\rCarriage Return.\n");
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delay_ms(delay);
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lcd_print("\t\tTwo Tabs\n");
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lcd_print("\t\t^\n");
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delay_ms(delay);
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lcd_print("\f\n");
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lcd_shift(display, -16);
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lcd_print("Shift Left\n Shift Left\n");
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for(uint32_t i = 0 ; i < 32 ; i++ )
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{
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lcd_shift(display, 1 );
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delay_ms(200);
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}
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delay_ms(delay);
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lcd_print("Shift Right\n Shift Right\n");
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for(uint32_t i = 0 ; i < 32 ; i++ )
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{
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lcd_shift(display, -1 );
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delay_ms(200);
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}
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lcd_shift(display, 16 );
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count++;
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count &= 0xFF;
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}
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while(1);
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}
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