238 lines
6.5 KiB
C
238 lines
6.5 KiB
C
/*
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* lcd_th05.c
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*
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* Created on: 23 янв. 2024 г.
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* Author: pvvx
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*/
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#include <string.h>
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#include "types.h"
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#include "config.h"
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#if (DEV_SERVICES & SERVICE_SCREEN)
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#include "OSAL.h"
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#include "gpio.h"
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#include "rom_sym_def.h"
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#include "dev_i2c.h"
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#include "sensor.h"
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#include "lcd_th05.h"
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#define LCD_I2C_SPEED 100 // 100 or 400 kHz
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#define LCD_I2C_ADDR 0x3E
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#define I2C_WAIT_ms 1
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/* 0,1,2,3,4,5,6,7,8,9,A,b,C,d,E,F*/
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const uint8_t display_numbers[] = {
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// 76543210
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0b011110011, // 0
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0b000000011, // 1
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0b010110101, // 2
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0b010010111, // 3
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0b001000111, // 4
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0b011010110, // 5
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0b011110110, // 6
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0b000010011, // 7
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0b011110111, // 8
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0b011010111, // 9
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0b001110111, // A
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0b011100110, // b
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0b011110000, // C
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0b010100111, // d
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0b011110100, // E
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0b001110100 // F
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};
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#define LCD_SYM_H 0b001100111 // "H"
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#define LCD_SYM_h 0b001100110 // "h"
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#define LCD_SYM_i 0b000100000 // "i"
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#define LCD_SYM_L 0b011100000 // "L"
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#define LCD_SYM_o 0b010100110 // "o"
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#define LCD_SYM_t 0b011100100 // "t"
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#define LCD_SYM_0 0b011110011 // "0"
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#define LCD_SYM_a 0b011110110 // 'a'
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uint8_t lcd_i2c_addr; // = 0x3E
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uint8_t display_buff[LCD_BUF_SIZE] = {
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LCD_SYM_o, LCD_SYM_o, LCD_SYM_o,
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};
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uint8_t display_out_buff[LCD_BUF_SIZE+1];
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/* blink off: display_out_buff[0] = 0xf0, on: display_out_buff[0] = 0xf2 */
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const uint8_t lcd_init_cmd[] = {
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// LCD controller initialize:
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//0xC8, // Mode Set (MODE SET): Display enable, 1/3 Bias
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0xD8, // Mode Set (MODE SET): Display enable, 1/3 Bias, power saving
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0x80, // load data pointer
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0xF0, // blink control 0xf2
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0x60,
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0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
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};
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/*
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* TH-05 LCD buffer: byte.bit
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--0.4-- --1.4-- --2.4-- BAT
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| | | | | | | 3.6
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| 0.6 0.0 1.6 1.0 2.6 2.0
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| | | | | | | o 3.5
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0.3 --0.2-- --1.2-- --2.2-- +--- 3.5
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| | | | | | | 3.5|
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| 0.5 0.1 1.5 1.1 2.5 2.1 ---- 3.7
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| | | | | | | 3.5|
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--0.7-- --1.7-- * --2.7-- ---- 2.3
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1.3
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--4.4-- --5.4--
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| | | |
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3.0 3.0 4.6 4.0 5.6 5.0
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/ \ / \ | | | |
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3.4( \_/ 3.2 \_/ )3.4 --4.2-- --5.2--
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3.2 / \ 3.2 | | | |
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\_/ 4.5 4.1 5.5 5.1 %
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3.0 | | | | 5.3
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--4.7-- --5.7--
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OO 4.3
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None: 3.1, 3.3
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*/
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/* 0x0 = " "
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* 0x1 = "°Г"
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* 0x2 = " _"
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* 0x3 = "°C"
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* 0x4 = " -"
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* 0x5 = "°F"
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* 0x6 = " ="
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* 0x7 = "°E" */
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void show_temp_symbol(uint8_t symbol) {
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display_buff[2] &= ~BIT(3);
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display_buff[3] &= ~(BIT(7)|BIT(5)) ;
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display_buff[2] |= (symbol << 2) & BIT(3);
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display_buff[3] |= (symbol << 5) & (BIT(7)|BIT(5));
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}
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/* 0 = " " off,
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* 1 = " ^_^ " happy
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* 2 = " -^- " sad
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* 3 = " ooo "
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* 4 = "( )"
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* 5 = "(^_^)" happy
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* 6 = "(-^-)" sad
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* 7 = "(ooo)" */
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void show_smiley(uint8_t state) {
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display_buff[3] &= ~0x15;
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state = (state & 1) | ((state << 1) & 4) | ((state << 2) & 0x10);
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display_buff[3] |= state;
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}
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void show_ble_symbol(bool state) {
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if (state)
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display_buff[4] |= BIT(3);
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else
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display_buff[4] &= ~BIT(3);
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}
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void show_battery_symbol(bool state) {
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if (state)
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display_buff[3] |= BIT(6);
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else
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display_buff[3] &= ~BIT(6);
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}
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void show_big_number_x10(int16_t number) {
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display_buff[2] &= BIT(3); // F/C
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if (number > 19995) {
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display_buff[0] = LCD_SYM_H; // "H"
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display_buff[1] = LCD_SYM_i; // "i"
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} else if (number < -995) {
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display_buff[0] = LCD_SYM_L; // "L"
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display_buff[1] = LCD_SYM_o; // "o"
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} else {
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display_buff[0] = 0;
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display_buff[1] = 0;
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/* number: -995..19995 */
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if (number > 1995 || number < -95) {
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display_buff[1] = 0; // no point, show: -99..1999
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if (number < 0){
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number = -number;
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display_buff[0] = BIT(2); // "-"
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}
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number = (number + 5) / 10; // round(div 10)
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} else { // show: -9.9..199.9
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display_buff[1] = BIT(3); // point,
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if (number < 0){
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number = -number;
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display_buff[0] = BIT(2); // "-"
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}
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}
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/* number: -99..1999 */
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if (number > 999) display_buff[0] |= BIT(3); // "1" 1000..1999
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if (number > 99) display_buff[0] |= display_numbers[number / 100 % 10];
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if (number > 9) display_buff[1] |= display_numbers[number / 10 % 10];
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else display_buff[1] |= LCD_SYM_0; // "0"
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display_buff[2] = display_numbers[number %10];
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}
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}
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/* -9 .. 99 */
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void show_small_number(int16_t number, bool percent) {
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display_buff[4] &= BIT(3); // connect
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display_buff[5] = percent? BIT(3) : 0;
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if (number > 99) {
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display_buff[4] |= LCD_SYM_i; // "i"
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display_buff[5] |= LCD_SYM_H; // "H"
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} else if (number < -9) {
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display_buff[4] |= LCD_SYM_o; // "o"
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display_buff[5] |= LCD_SYM_L; // "L"
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} else {
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if (number < 0) {
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number = -number;
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display_buff[4] = BIT(2); // "-"
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}
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if (number > 9) display_buff[4] |= display_numbers[number / 10 % 10];
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display_buff[5] |= display_numbers[number %10];
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}
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}
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#if USE_CLOCK
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void show_clock(void) {
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uint32_t tmp = utc_time_sec / 60;
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uint32_t min = tmp % 60;
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uint32_t hrs = tmp / 60 % 24;
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display_buff[0] = display_numbers[min % 10];
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display_buff[1] = display_numbers[min / 10 % 10];
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display_buff[2] = 0;
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display_buff[3] &= BIT(6); // bat
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display_buff[4] &= BIT(3); // connect
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display_buff[4] |= display_numbers[hrs % 10];
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display_buff[5] = display_numbers[hrs / 10 % 10];
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}
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#endif // USE_CLOCK
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extern volatile uint32 osal_sys_tick;
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static void send_to_lcd(uint8_t *pbuf, int len){
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init_i2c(0);
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if (send_i2c_buf(0x3E, pbuf, len))
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deinit_i2c();
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}
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void update_lcd(void) {
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if (lcd_i2c_addr && memcmp(&display_out_buff[1], display_buff, sizeof(display_buff))) {
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memcpy(&display_out_buff[1], display_buff, sizeof(display_buff));
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send_to_lcd(display_out_buff, sizeof(display_out_buff));
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}
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}
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void init_lcd(void) {
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init_i2c(0);
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if(!send_i2c_buf(LCD_I2C_ADDR, (uint8_t *) lcd_init_cmd, sizeof(lcd_init_cmd))) // sleep: 15.5 uA
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lcd_i2c_addr = LCD_I2C_ADDR;
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else
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lcd_i2c_addr = 0;
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deinit_i2c();
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}
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/****************************************************/
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#endif // (DEV_SERVICES & SERVICE_SCREEN)
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