PersonalVotingMachine/basic-setup/main/impl/modules/ScreenModule.cpp
2020-12-22 14:30:09 +02:00

101 lines
2.0 KiB
C++

/**
* @file ScreenModule.cpp
* @brief ScreenModule implementation file
* */
#include "u8g2.h"
#include "u8g2_esp32_hal.h"
#include "module.h"
u8g2_t u8g2; // a structure which will contain all the data for one display
ScreenModule::ScreenModule(){};
void ScreenModule::setSCL(gpio_num_t scl_pin){
this->SCL_PIN = scl_pin;
}
void ScreenModule::setSDA(gpio_num_t sda_pin){
this->SDA_PIN = sda_pin;
}
void ScreenModule::setRST(gpio_num_t rst_pin){
this->RESET_PIN = rst_pin;
}
esp_err_t ScreenModule::init(){
u8g2_esp32_hal_t u8g2_esp32_hal = U8G2_ESP32_HAL_DEFAULT;
u8g2_esp32_hal.sda = SDA_PIN;
u8g2_esp32_hal.scl = SCL_PIN;
if(RESET_PIN != GPIO_NUM_NC) u8g2_esp32_hal.reset = RESET_PIN;
u8g2_esp32_hal_init( u8g2_esp32_hal );
u8g2_Setup_ssd1306_i2c_128x64_noname_f(
&u8g2,
U8G2_R0,
//u8x8_byte_sw_i2c,
u8g2_esp32_i2c_byte_cb,
u8g2_esp32_gpio_and_delay_cb); // init u8g2 structure
try{
u8x8_SetI2CAddress(&u8g2.u8x8,0x78);
ESP_LOGI(TAG, "u8g2_InitDisplay");
u8g2_InitDisplay(&u8g2);
ESP_LOGI(TAG, "u8g2_SetPowerSave");
u8g2_SetPowerSave(&u8g2, 0); // wake up display
ESP_LOGI(TAG, "u8g2_ClearBuffer");
u8g2_ClearBuffer(&u8g2);
}catch(const char* msg){
throw msg;
}
return ESP_OK;
}
esp_err_t ScreenModule::deinit(){
u8g2_ClearBuffer(&u8g2);
return ESP_OK;
}
/* UI method to write strings to screen */
void ScreenModule::print_screen(char *buff){
u8g2_ClearBuffer(&u8g2);
u8g2_SetFont(&u8g2, u8g2_font_Georgia7px_tf);
u8g2_DrawStr(&u8g2, 0,10, buff);
u8g2_SendBuffer(&u8g2);
}
void ScreenModule::clear(){
u8g2_ClearBuffer(&u8g2);
lineOff = 0;
}
void ScreenModule::refresh(){
u8g2_SendBuffer(&u8g2);
}
void ScreenModule::writeLine(char *str, uint8_t pl){
u8g2_SetFont(&u8g2, u8g2_font_4x6_tf);
u8g2_DrawStr(&u8g2, pl, lineOff*10+10, str);
lineOff++;
}
void ScreenModule::FillCircle(uint8_t x, uint8_t y, uint8_t r){
u8g2_DrawDisc(&u8g2, x, y, r, U8G2_DRAW_ALL);
}
ScreenModule& ScreenModule::Instance(){
static ScreenModule instance;
return instance;
}