// System
#include <STC15.H>
#include <stdint.h>
#include <stdio.h>
// Driver
#include "iic.h"
#include "uart.h"
// Config
#include "config.h"
// Lib
#include "delay.h"
#include "ina226.h"
#include "oled12864_drv.h"

void
SystemClock_Init (void)
{
  // 烧录时选择30M主频
  CLK_DIV = 0x00; // 时钟不分频（30MHz直接输出）
}

void
main ()
{
  u8 addr;
  u16 read_i = 0;
  u16 adder = 0;

  SystemClock_Init (); // 时钟配置

  EA = 1; // 开总中断

  Delay_Init ();
  Uart1_Init ();

  printf ("IIC_Init()\r\n");
  IIC_Init ();

  printf ("OLED_Init()\r\n");
  OLED_Init ();

  printf ("INA226_Init()\r\n");
  INA226_Init (0x0A, 0.05f);

  DelayMs (100); // 初始化延时

  printf ("OLED_ShowPrintf()\r\n");
  OLED_ShowPrintf (0, 0, "Hello, oWorld!", OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                   OLED_SHOW);

  OLED_ShowPrintf (0, 2, "Hello, 2World!", OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                   OLED_CLS);

  OLED_ShowPrintf (0, 4, "Hello, 4Wo4rld!", OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                   OLED_CLS);

  P2M1 &= 0xFE; // P20为推挽输出
  P2M0 |= 0x01;
  P20 = 1; // P20为推挽输出

  OLED_ShowNum (4, 4, 123456789, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                OLED_SHOW);

  while (1)
    {
      adder++;

      OLED_ShowNum (8, 2, adder, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                    OLED_SHOW);

      DelayMs (1000);

      read_i = (int16_t)(INA226_ReadBusVoltage () * 1000);

      OLED_ShowNum (4, 6, read_i, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                    OLED_SHOW);

      printf ("Scanning I2C bus...\r\n");

      for (addr = 0x08; addr <= 0x78; addr++)
        { // 有效地址范围
          IIC_Start ();
          IIC_SendByte (addr << 1); // 发送写命令
          if (IIC_WaitAck ())
            {
              printf ("Device found at: 0x%02X\n", addr);
            }
          IIC_Stop ();
          DelayMs (1);
        }

      printf ("Scan complete.\n");
      DelayMs (1000);
    }
}

void
Uart1_Isr (void) interrupt 4
{
  if (TI) // 检测串口1发送中断
    {
      TI = 0; // 清除串口1发送中断请求位
    }
  if (RI) // 检测串口1接收中断
    {
      RI = 0; // 清除串口1接收中断请求位
    }
}