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#include "intrins.h"
#include "IIC_Drive.h"
#include "LCD_Drive.h"
#include "Interrupt.h"
#include "SPI.h"
#define SPI_TEST
#define RX_MODE 0x80
#define SLEEP_MODE 0x40
#define AFTER_SLEEP 0x20
unsigned char *p_rx_sum;
unsigned char working_state = RX_MODE; // working state
unsigned char rssivalue = 0;
unsigned char channel_index[79] = {0x00, 0x01, 0x02,
0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, //2402, 2412, 2422, 2432
0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34,
0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e,
0x3f, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f};
void main(void)
{
unsigned char rx_sum = 0; //接收次數累加器
unsigned char highReg = 0;
unsigned char lowReg = 0;
unsigned char channelvalue = 0;
p_rx_sum = &rx_sum; //指向累加器的指針
LCD_Initialize();
LCD_WriteCommand(0x80);
LCD_WriteDat(0xf6); //''
LCD_WriteCommand(0x8c);
LCD_WriteDat(0x43); //'C'
LCD_WriteDat(0x48); //'H'
LCD_WriteDat(bcd_table[(channelvalue+2)/10]);
LCD_WriteDat(bcd_table[(channelvalue+2)%10]);
LCD_WriteCommand(0xc0);
LCD_WriteDat(0x72); //'r'
LCD_WriteDat(0x73); //'s'
LCD_WriteDat(0x73); //'s'
LCD_WriteDat(0x69); //'i' means rssi
LCD_WriteDat(bcd_table[rssivalue/10]);
LCD_WriteDat(bcd_table[rssivalue%10]);
Timer0_Init();
//EX0_Init();
EA = 1;
#ifdef SPI_TEST
RST = 0;
Delay_ms(2);
RST = 1;
Delay_ms(5);
PKT = 1;
LT8900_Init();
SPI_ReadReg(4);
if (RegH==0x9c && RegL==0xc9)
{
LED_SPI = 0;
}
while (1)
{
switch(working_state)
{
case RX_MODE:
//rssivalue = 0;
SPI_WriteReg( 7, 0x00, 0x00);
SPI_WriteReg(52, 0x80, 0x80);
EX0 = 0;
SPI_WriteReg( 7, 0x00, 0x80+channelvalue); //TX Enable & channel set to 2480M
EX0 = 1;
// while(PKT);
do
{
SPI_ReadReg(48);
}
while(RegL & 0x40);
SPI_WriteReg( 7, 0x00, 0x00); //goto idle mode
SPI_ReadReg(48);
if(!(RegH & 0x80))
{
LED_RF = ~LED_RF;
SPI_ReadReg(50);
if (RegH==0x03 && RegL==0xce)
rx_sum++; //RX 累加器加一
if (RegH==0x01)
{
channelvalue = RegL; //switch to channel RegL
LCD_WriteCommand(0x8e);
LCD_WriteDat(bcd_table[(channelvalue+2)/10]);
LCD_WriteDat(bcd_table[(channelvalue+2)%10]);
}
SPI_ReadReg(6); //get rssi_value
RegH &= 0xfc;
rssivalue = RegH>>2;
LCD_WriteCommand(0xc4);
LCD_WriteDat(bcd_table[rssivalue/10]);
LCD_WriteDat(bcd_table[rssivalue%10]);
rssivalue = 0;
}
break;
case SLEEP_MODE:
SPI_WriteReg(35, 0x43, 0x00);
SPI_SS = 1;
LCD_WriteCommand(0xc0);
LCD_WriteDat(0x7a);
working_state = AFTER_SLEEP;
break;
case AFTER_SLEEP:
_nop_();
break;
default : break;
}
}
#else
MOSI = 0; // A4 =0
RST = 0;
Delay_ms(2);
RST = 1;
Delay_ms(5);
PKT = 1;
RF_Init();
IIC_ReadReg( 4, &highReg, &lowReg);
if (highReg==0x9c && lowReg==0xc9)
{
LED_IIC = 0;
}
while (1)
{
IIC_WriteReg(52, 0x80, 0x80);
IIC_WriteReg( 7, 0x00, 0xb0); //TX Enable & channel set to 2450M
/*while(PKT);*/
do
{
SPI_ReadReg(48);
}
while(RegL & 0x40);
IIC_WriteReg( 7, 0x00, 0x00); //goto idle mode
IIC_ReadReg(48, &highReg, &lowReg);
if(!(highReg & 0x80))
{
rx_sum++; //RX 累加器加一
LED_RF = ~LED_RF;
}
}
#endif
/*
LCD_WriteCommand(0x80);
LCD_WriteDat(0x32); //'2'
LCD_WriteDat(0x34); //'4'
LCD_WriteDat(0x35); //'5'
LCD_WriteDat(0x30); //'0'
LCD_WriteDat(0xa5); //'.'
*/
/*
if(rx_lcd_flag == 50)
{
LCD_WriteCommand(0x04); // turn left
LCD_WriteCommand(0x8f);
LCD_WriteDat(0x7f); //'<'
}
if(rx_lcd_flag == 100)
{
LCD_WriteDat(0x7f);
}
if(rx_lcd_flag == 150)
{
LCD_WriteDat(0x7f);
}
if(rx_lcd_flag == 200)
{
LCD_WriteDat(0x7f);
}
if(rx_lcd_flag >= 250)
{
rx_lcd_flag = 0;
LCD_WriteCommand(0x06); //寫入新數據后光標右移一位
LCD_WriteDat(0xa0);
LCD_WriteDat(0xa0);
LCD_WriteDat(0xa0);
LCD_WriteDat(0xa0);
//LCD_WriteCommand(0x06);
}
*/
}
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