/*
* lcd_mho_c122.c
*
* Created: pvvx, 28.05.2023
* Edited by: FaBjE
*
* https://github.com/pvvx/ATC_MiThermometer/issues/339
*/
#include "tl_common.h"
#include "app_config.h"
#if DEVICE_TYPE == DEVICE_MHO_C122
#include "drivers.h"
#include "drivers/8258/gpio_8258.h"
#include "app.h"
#include "i2c.h"
#include "lcd.h"
/*
* MHO-C122 LCD buffer: byte.bit
--0.4-- --1.4-- --2.4--
| | | | | | |
| 0.0 0.5 1.0 1.5 2.0 2.5
| | | | | | | o 3.0
0.3 --0.1-- --1.1-- --2.1-- +--- 3.0
| | | | | | | 3.0|
| 0.2 0.6 1.2 1.6 2.2 2.6 ---- 3.1
| | | | | | | 3.0|
--0.7-- --1.7-- * --2.7-- ---- 3.2
2.3
--5.3-- --4.3-- 1.3 1.3
(|) | | | | / \ / \
3.6 5.6 5.2 4.6 4.2 1.3( ___ 3.1 ___ )1.3
| | | | 1.3 /3.6\ 1.3
BLE --5.5-- --4.5-- _____
4.7 | | | | \3.5/
5.4 5.1 4.4 4.1
BAT | | | | %
5.7 --5.0-- --4.0-- 3.4
None: 3.3 ?
*/
RAM u8 lcd_i2c_addr;
#define lcd_send_i2c_byte(a) send_i2c_byte(lcd_i2c_addr, a)
#define lcd_send_i2c_buf(b, a) send_i2c_buf(lcd_i2c_addr, (u8 *) b, a)
#define LCD_SYM_H 0b01100111 // "H"
#define LCD_SYM_i 0b00000100 // "i"
#define LCD_SYM_L 0b10000101 // "L"
#define LCD_SYM_o 0b11000110 // "o"
#define LCD_SYM_BLE BIT(7) // BLE connect
#define LCD_SYM_BAT BIT(7) // battery
const u8 lcd_init_cmd_b14[] = {0x80,0x3B,0x80,0x02,0x80,0x0F,0x80,0x95,0x80,0x88,0x80,0x88,0x80,0x88,0x80,0x88,0x80,0x19,0x80,0x28,0x80,0xE3,0x80,0x11};
// {0x80,0x40,0xC0,byte1,0xC0,byte2,0xC0,byte3,0xC0,byte4,0xC0,byte5,0xC0,byte6};
const u8 lcd_init_clr_b14[] = {0x80,0x40,0xC0,0,0xC0,0,0xC0,0,0xC0,0,0xC0,0,0xC0,0,0xC0,0,0xC0,0};
/* 0,1,2,3,4,5,6,7,8,9,A,b,C,d,E,F*/
const u8 display_numbers[] = {
0b11110101, // 0
0b01100000, // 1
0b10110110, // 2
0b11110010, // 3
0b01100011, // 4
0b11010011, // 5
0b11010111, // 6
0b01110000, // 7
0b11110111, // 8
0b11110011, // 9
0b01110111, // A
0b11000111, // b
0b10010101, // C
0b11100110, // d
0b10010111, // E
0b00010111}; // F
const u8 display_small_numbers[] = {
0b01011111, // 0
0b00000110, // 1
0b00111101, // 2
0b00101111, // 3
0b01100110, // 4
0b01101011, // 5
0b01111011, // 6
0b00001110, // 7
0b01111111, // 8
0b01101111, // 9
0b01111110, // A
0b01110011, // b
0b01011001, // C
0b00110111, // d
0b01111001, // E
0b01111000}; // F
_attribute_ram_code_
void send_to_lcd(void){
unsigned int buff_index;
u8 * p = display_buff;
if(cfg.flg2.screen_off)
return;
if (lcd_i2c_addr) {
if ((reg_clk_en0 & FLD_CLK0_I2C_EN)==0)
init_i2c();
else {
gpio_setup_up_down_resistor(I2C_SCL, PM_PIN_PULLUP_10K);
gpio_setup_up_down_resistor(I2C_SDA, PM_PIN_PULLUP_10K);
}
reg_i2c_id = lcd_i2c_addr;
reg_i2c_adr_dat = 0x4080;
reg_i2c_ctrl = FLD_I2C_CMD_START | FLD_I2C_CMD_ID | FLD_I2C_CMD_ADDR | FLD_I2C_CMD_DO;
while (reg_i2c_status & FLD_I2C_CMD_BUSY);
reg_i2c_adr = 0xC0;
for(buff_index = 0; buff_index < sizeof(display_buff); buff_index++) {
reg_i2c_do = *p++;
reg_i2c_ctrl = FLD_I2C_CMD_ADDR | FLD_I2C_CMD_DO;
while (reg_i2c_status & FLD_I2C_CMD_BUSY);
}
reg_i2c_ctrl = FLD_I2C_CMD_STOP;
while (reg_i2c_status & FLD_I2C_CMD_BUSY);
}
}
void init_lcd(void){
lcd_i2c_addr = (u8) scan_i2c_addr(B14_I2C_ADDR << 1);
if (lcd_i2c_addr) {
// GPIO_PB6 set in app_config.h!
// gpio_setup_up_down_resistor(GPIO_PB6, PM_PIN_PULLUP_10K); // LCD on low temp needs this, its an unknown pin going to the LCD controller chip
if(!cfg.flg2.screen_off) {
pm_wait_ms(50);
lcd_send_i2c_buf((u8 *) lcd_init_cmd_b14, sizeof(lcd_init_cmd_b14));
lcd_send_i2c_buf((u8 *) lcd_init_clr_b14, sizeof(lcd_init_clr_b14));
}
}
}
/* 0x00 = " "
* 0x20 = "°Г"
* 0x40 = " -"
* 0x60 = "°F"
* 0x80 = " _"
* 0xA0 = "°C"
* 0xC0 = " ="
* 0xE0 = "°E" */
_attribute_ram_code_
void show_temp_symbol(u8 symbol) {
display_buff[3] &= ~(BIT(0) | BIT(1) | BIT(2));
if (symbol & 0x20)
display_buff[3] |= BIT(0);
if (symbol & 0x40)
display_buff[3] |= BIT(1); //"-"
if (symbol & 0x80)
display_buff[3] |= BIT(2); // "_"
}
/* 0 = " " off,
* 1 = " ^-^ "
* 2 = " -^- "
* 3 = " ooo "
* 4 = "( )"
* 5 = "(^-^)" happy
* 6 = "(-^-)" sad
* 7 = "(ooo)" */
_attribute_ram_code_
void show_smiley(u8 state){
display_buff[1] &= ~BIT(3);
display_buff[3] &= ~(BIT(5) | BIT(6));
if(state & 1)
display_buff[3] |= BIT(5); //Happy mouth
if(state & 2)
display_buff[3] |= BIT(6); //Sad mouth
if(state & 4)
display_buff[1] |= BIT(3); //Smiley contour
}
_attribute_ram_code_
void show_ble_symbol(bool state){
if (state)
display_buff[4] |= LCD_SYM_BLE;
else
display_buff[4] &= ~LCD_SYM_BLE;
}
_attribute_ram_code_
void show_battery_symbol(bool state){
if (state)
display_buff[5] |= LCD_SYM_BAT;
else
display_buff[5] &= ~LCD_SYM_BAT;
}
/* number in 0.1 (-995..19995), Show: -99 .. -9.9 .. 199.9 .. 1999 */
_attribute_ram_code_
__attribute__((optimize("-Os"))) void show_big_number_x10(s16 number){
display_buff[0] = 0;
display_buff[1] &= BIT(3); // Clear digit (except smiley contour)
display_buff[2] = 0;
if (number > 19995) {
display_buff[0] |= LCD_SYM_H; // "H"
display_buff[1] |= LCD_SYM_i; // "i"
} else if (number < -995) {
display_buff[0] |= LCD_SYM_L; // "L"
display_buff[1] |= LCD_SYM_o; // "o"
} else {
/* number: -995..19995 */
if (number > 1995 || number < -95) {
if (number < 0){
number = -number;
display_buff[0] |= BIT(1); // "-"
}
number = (number + 5) / 10; // round(div 10)
} else { // show: -9.9..199.9
display_buff[2] = BIT(3); // point
if (number < 0){
number = -number;
display_buff[0] |= BIT(1); // "-"
}
}
/* number: -99..1999 */
if (number > 999) display_buff[0] |= BIT(3); // "1" 1000..1999
if (number > 99) display_buff[0] |= display_numbers[number / 100 % 10];
if (number > 9) display_buff[1] |= display_numbers[number / 10 % 10];
else display_buff[1] |= display_numbers[0]; // "0"
display_buff[2] |= display_numbers[number %10];
}
}
/* -9 .. 99 */
_attribute_ram_code_
__attribute__((optimize("-Os"))) void show_small_number(s16 number, bool percent){
display_buff[4] &= LCD_SYM_BLE; //Clear digit (except BLE symbol)
display_buff[5] &= LCD_SYM_BAT; //Clear digit (except BAT symbol)
if (percent)
display_buff[3] |= BIT(4); // %
else
display_buff[3] &= ~BIT(4); // %
if (number > 99) {
display_buff[5] |= BIT(1) | BIT(2) | BIT(4) | BIT(5) | BIT(6) ; // "H"
display_buff[4] |= BIT(4); // "i"
} else if (number < -9) {
display_buff[5] |= BIT(0) | BIT(4) | BIT(6); // "L"
display_buff[4] |= BIT(0) | BIT(1) | BIT(4) | BIT(5); // "o"
} else {
if (number < 0) {
number = -number;
display_buff[5] |= BIT(5); // "-"
}
if (number > 9)
display_buff[5] |= display_small_numbers[number / 10 % 10];
display_buff[4] |= display_small_numbers[number %10];
}
}
void show_ota_screen(void) {
memset(&display_buff, 0, sizeof(display_buff));
display_buff[4] = BIT(7); // "ble"
display_buff[0] = BIT(1); // "_"
display_buff[1] = BIT(1); // "_"
display_buff[2] = BIT(1); // "_"
send_to_lcd();
}
// #define SHOW_REBOOT_SCREEN()
void show_reboot_screen(void) {
memset(&display_buff, 0xff, sizeof(display_buff));
send_to_lcd();
}
#if USE_DISPLAY_CLOCK
_attribute_ram_code_
void show_clock(void) {
u32 tmp = wrk.utc_time_sec / 60;
u32 min = tmp % 60;
u32 hrs = tmp / 60 % 24;
display_buff[0] = 0;
display_buff[1] &= BIT(3); //Clear digit (except smiley contour)
display_buff[0] = display_numbers[hrs / 10 % 10];
display_buff[1] = display_numbers[hrs % 10];
display_buff[2] = 0;
display_buff[3] = 0;
display_buff[4] &= LCD_SYM_BLE; //Clear digit (except BLE symbol)
display_buff[5] &= LCD_SYM_BAT; //Clear digit (except BAT symbol)
display_buff[4] |= display_small_numbers[min % 10];
display_buff[5] |= display_small_numbers[min / 10 % 10];
}
#endif // USE_DISPLAY_CLOCK
#endif // DEVICE_TYPE == DEVICE_MHO_C122