#include "mbed.h"
#include "rtos.h"
#include "BusOut.h"
#include "BusInOut.h"
#include "keypad.h"
#include "RTC8563.h"
#include "ds1820.h"
#include "sh1106.h"

Keypad keypad(PA_11,PA_12, PC_2, PC_3, PC_1, PC_15, PC_13, PE_5);  // 4*4矩阵键盘

Serial serial(PA_2, PA_3);  // Serial (PinName tx, PinName rx)

RTC8563 rtc(I2C2_SDA, I2C2_SCL);  // PCF8563 时钟

DS1820 ds18b20(PE_2);  // ds18b20 传感器

/* OLED: 
*GND：电源地 
*VCC：供电电源3.3V、5V都可以
*SCK：串行输入时钟CLKD1：串行输入数据   PA_5
*SDA: MOSI  PA_7
*RES：复位  PC_14
*CS: 片选 PA_8
*DC： 控制输入数据/命令（高电平（1）为数据，低电平（0）为命令） PC_15
*/
//SH1106： cs-PB_12,  rs-PE_4,  dc-PE_6,  clk-PB_13,  data-PB_15
SH1106 oled(SPI2_CS, PE_4, PE_6 , SPI2_SCK, SPI2_MOSI);

//线程： 键盘扫描
void keypad_thread_callback(void const *argument) { 
  
  while(1){
    
    keypad.Scan_Keyboard();
    KeyPressed key_pressed = keypad.getKey();
    
    switch(key_pressed) {
        case Key_Up:
          serial.printf("Up, 0x%2x\r\n", key_pressed);
          oled.set_font(standard_font, 16);
          break;
          
        case Key_Down:
          serial.printf("Down, 0x%2x\r\n", key_pressed);
          oled.set_font(standard_font, 8);
          break;  
          
        case Key_On:
          serial.printf("On, 0x%2x\r\n", key_pressed);
          break;
          
        default:
          if ( key_pressed != Key_None)
            serial.printf("any key, 0x%2x\r\n", key_pressed);
    }
    
    if ( key_pressed != Key_None){
        oled.clear();
        oled.set_cursor(2,3);
        oled.printf("风雨无阻");
        oled.update();
    }
    
    Thread::wait(10);
  }
}

//线程： 读取时间
void readtime_thread_callback(void const *argument) {
  
  TIME *time; 

  while(1){
    time = rtc.rtc_read();
      
    serial.printf("%4d,%2d,%2d,%2d:%2d:%2d\r\n", time->year, time->month,time->day,
           time->hour, time->minute, time->second);
      
      Thread::wait(1000);
  }
}


int main()
{   
  // serial 
  serial.baud(9600);
  serial.format(); 
  serial.printf("Hellow, world!\r\n");

  //Thread readtime_thread(readtime_thread_callback, NULL, osPriorityHigh); //启动rtc线程
  Thread keypad_thread(keypad_thread_callback); 
  
  float temp;
  
  //oled
  oled.initialise();
  oled.clear();
  oled.set_font(standard_font, 6);
  oled.printf("hellow, world!");
  oled.update();
  
  while (1) {
      // ds18b20
    if(!ds18b20.isPresent())
        ds18b20.begin();
    
    if (ds18b20.isPresent()) {
          ds18b20.startConversion(); 
          temp = ds18b20.read();  // 读取温度 1，放在主线程里
          serial.printf("Temp. is %4.2f\r\n", temp);  
    }
    
        
      Thread::wait(2000);
  }
}