Name :: RF transmitter BH1415F
Time :06 -07-06
Functions: control BH1415F FM transmitter frequency range (88 ~ 108Hz) MCU: ATMEGA8
Write: LCJ
************************************************** ************ /
/ * ___________________________________________________
CE ___ |
| __________
________________
CK _____ | | __ | | __ | | __ | | __ | | _ ---- _ | | __ | | __ |
| __________
__________
DA____ | D0 | __ | D1 | __ | D2 | __ | D3 | __ | D4 | __
______
----- _ | PD | __ | T1 | __ | T2 | __________
* /
/ **********************************
Digital FM transmitter program
*********************************** /
/ / Header file
# Include <iom8v.h> / / SCM Model Options
# Include <macros.h> / / bit definitions
# Include <eeprom.h> / / EEPROM memory
/ / Crystal frequency
# Define fosc 6000000 / / crystal 6MHZ
# Define baud 9600 / / baud rate
# Define open_radio (PINB & 0B00000100) / / boot
# Define function_open (PORTB | = (1 << 4)) / / control boot
# Define function_close (PORTB & = ~ (1 << 4)) / / control shutdown
# Define open_save (PINB & 0B00000100) / / open storage station
# Define save_ensure (PINB & 0B00000100) / / storage station determines
# Define adjust_station (PINB & 0B00000100) / / regulation kept good radio
# Define F_ADD (PINB & 0B00001000) / / frequency plus
# Define F_REDUCE (PINB & 0B00010000) / / frequency less reduce
/ / Unsigned char F_DATA_H, F_DATA_L ;/ / frequency of high and low bit
unsigned char open_radio_flag ;/ / boot flag
/ / Unsigned char F_flag_H ;/ / frequency storage of high
/ / Unsigned char F_flag_L ;/ / low frequency storage
unsigned char LCD_display_H ;/ / LCD high
unsigned char LCD_display_L ;/ / LCD low
unsigned char function_flag ;/ / save Taiwan flag
unsigned char save_dais_flag ;/ / deposit determined logo
# Define save1_H (PORTC | = (1 << 4)) / / status indication to defend Taiwan
# Define save2_H (PORTC | = (1 << 5)) / / Paul station indicating success
# Define save1_L (PORTC & = ~ (1 << 4))
# Define save2_L (PORTC & = ~ (1 << 5))
# Define LED_H (PORTD | = (1 << 7))
# Define CE_H (PORTB | = (1 << 0)) / / 15 CE
# Define CE_L (PORTB & = ~ (1 << 0))
# Define CK_H (PORTB | = (1 << 1)) / / 16 CLOCK
# Define CK_L (PORTB & = ~ (1 << 1))
# Define DA_H (PORTB | = (1 << 5)) / / 17 DATA
# Define DA_L (PORTB & = ~ (1 << 5))
/ / # Define LCD_display_OUT PORTB
/ / # Define LCD_display_control PORTC
/ / Unsigned char LCD_display_data [8] [4];
unsigned char display_character [10] = {0x3f, 0X06, 0X5B, 0X4F,
0X66, 0X6D, 0X7D, 0X07, 0X7F, 0X6F} ;/ / matrix 1, 2, 3, 4, 5, 6, 7, 8, 9
unsigned char EEPROM_READ_DATA ;/ / read the saved data
unsigned char EEPROM_READ_NUMBER ;/ / read the saved address
/ ************************************************* ******* /
unsigned char display_one ;/ / display bits
unsigned char display_ten ;/ / display ten
unsigned char display_hundred ;/ / display one hundred
unsigned char display_thousand ;/ / display one thousand
/ ************************************************* *******
Display data buffer
************************************************** ****** /
unsigned char temp_display_one;
unsigned char temp_display_ten;
unsigned char temp_display_hundred;
unsigned char temp_display_thousand;
/ ************************************************* ******
To control BH1415 data buffer
************************************************** * /
unsigned char temp_BH1415_one;
unsigned char temp_BH1415_ten;
unsigned char temp_BH1415_hundred;
unsigned char temp_BH1415_thousand;
/ ************************************************* * /
unsigned char BH1415_one ;/ / BH1415 control bits
unsigned char BH1415_ten ;/ / BH1415 control ten
unsigned char BH1415_hundred ;/ / BH1415 control one hundred
/ ************************************************* * /
unsigned char adjust_PS8889_OUT ;/ / output control number
unsigned char adjust_PS8889_control [9] ;/ / control array
/ / Unsigned char adjust_station_number ;/ / check the number of bits of the array
unsigned char adjust_save_address ;/ / save address
unsigned char adjust_save_function ;/ / save function
/ ************************************************* ******* /
unsigned char temp_BH1415_L ;/ / control the BH1415 low 8
unsigned char temp_BH1415_H ;/ / control BH1415 8
/ **************************************** /
void delay_ms (void);
void delay_xs (unsigned char x);
void adjust_station_OUT (void);
void station_save_IN (void);
void EEPROM_rite (unsigned int uAddr, unsigned char uData);
void EEPROM_read (unsigned int uAddr);
void F_ADD_function (void);
void F_REDUCE_function (void);
void control_BH1415_and_display (void);
void LCD_display (unsigned char display_data, unsigned char
function_number);
void control_BH1415 (void);
void BH1415_OUT (unsigned char control_F_DATA, unsigned char
control_number);
/ ************************************************* ****** /
/ / Delay subroutine
void delay_xs (unsigned char x)
{
unsigned char a;
for (a = 0; a <x; a + +)
{
delay_ms ();
}
}
void delay_ms (void)
{
unsigned char aa, bb;
for (aa = 0; aa <50; aa + +)
{
for (bb = 0; bb <100; bb + +);
}
}
/ *********************************
Following is a reading desk function
********************************** /
void adjust_station_OUT (void)
{/ / Store a good radio regulation
EEPROM_read (EEPROM_READ_NUMBER);
temp_display_one = EEPROM_READ_DATA;
EEPROM_READ_NUMBER + +;
EEPROM_read (EEPROM_READ_NUMBER);
temp_display_ten = EEPROM_READ_DATA;
EEPROM_READ_NUMBER + +;
EEPROM_read (EEPROM_READ_NUMBER);
temp_display_hundred = EEPROM_READ_DATA;
EEPROM_READ_NUMBER + +;
EEPROM_read (EEPROM_READ_NUMBER);
temp_display_thousand = EEPROM_READ_DATA;
EEPROM_READ_NUMBER + +;
}
void station_save_IN (void)
{/ / Store radio function
EEPROMwrite (adjust_save_address, temp_display_one);
adjust_save_address + +;
EEPROMwrite (adjust_save_address, temp_display_ten);
adjust_save_address + +;
EEPROMwrite (adjust_save_address, temp_display_hundred);
adjust_save_address + +;
EEPROMwrite (adjust_save_address, temp_display_thousand);
adjust_save_address + +;
}
/ *********************************
EEPROM read function
********************************** /
void EEPROM_read (unsigned int uAddr)
{/ / Read EEPROM function
while (EECR & (1 << EEWE));
EEAR = uAddr;
EECR | = (1 << EERE);
EEPROM_READ_DATA = EEDR;
}
/ ************************************
Here is the frequency gradually add function
************************************* /
void F_ADD_function (void)
{/ / Frequency gradually increased function, / / frequency decreasing function initialization F_DATA_H = 0X03, F_DATA_L = 0X66
if (temp_display_thousand> = 0x01)
{
if (temp_display_ten> = 0x08)
{/ / Limit the maximum frequency 108.0MHZ
temp_display_one = 0x00;
temp_display_ten = 0x08;
temp_display_hundred = 0x00;
temp_display_thousand = 0x01;
}
else
goto ADD;
}
else
{
ADD: temp_display_one + +;
if (temp_display_one> = 0x0a)
{
temp_display_one = 0x00;
temp_display_ten + +;
if (temp_display_ten> = 0x0a)
{
temp_display_ten = 0x00;
temp_display_hundred + +;
if (temp_display_hundred> = 0x0a)
{
temp_display_hundred = 0x00;
temp_display_thousand + +;
if (temp_display_thousand> = 0x01)
{
if (temp_display_ten> = 0x08)
{
temp_display_one = 0x00;
temp_display_ten = 0x08;
temp_display_hundred = 0x00;
temp_display_thousand = 0x01;
}
}
}
}
}
}
control_BH1415_and_display () ;/ / output control BH1415 launch
}
/ ****************************************
Here is the frequency decreasing function
**************************************** /
void F_REDUCE_function (void)
{/ / Frequency gradually increased function, / / frequency decreasing function initialization F_DATA_H = 0X03, F_DATA_L = 0X66
if (temp_display_thousand <= 0x00)
{/ / Limit minimum frequency 87.0MHZ
if (temp_display_hundred <= 0x08)
{
if (temp_display_ten <= 0x07)
{
if (temp_display_one <= 0x00)
{
temp_display_one = 0x00;
temp_display_ten = 0x07;
temp_display_hundred = 0x08;
}
else
goto REDUCE;
}
else
goto REDUCE;
}
else
goto REDUCE;
}
else
{
REDUCE: if (temp_display_one <= 0x00)
{/ / Decreasing Start
temp_display_one = 0x0a;
if (temp_display_ten <= 0x00)
{
temp_display_ten = 0x0a;
if (temp_display_hundred <= 0x00)
{
temp_display_hundred = 0x0a;
temp_display_thousand = 0x00;
}
temp_display_hundred -;
}
temp_display_ten -;
}
temp_display_one -;
}
control_BH1415_and_display ();
}
void control_BH1415_and_display (void)
{/ / Control BH1415 and display output
unsigned char temp_one, temp_ten, temp_hundred, temp_one_L;
unsigned int temp_BH1415_data1,
temp_BH1415_data2, temp_BH1415_data3;
/ ************************************************ /
/ / Convert control BH1415 computing.
temp_BH1415_data1 = temp_display_thousand * 1000
+ Temp_display_hundred * 100 + temp_display_ten * 10 + temp_display_one;
temp_BH1415_data2 = temp_BH1415_data1;
temp_BH1415_data3 = temp_BH1415_data2 >> 8;
temp_ten = temp_BH1415_data3;
temp_BH1415_L = temp_BH1415_data1;
temp_BH1415_one = temp_BH1415_L & 0x0f;
temp_BH1415_ten = temp_BH1415_L >> 4 & 0x0f;
temp_BH1415_hundred = temp_ten & 0x0f;
temp_BH1415_H = temp_ten | 0x48
/ * Temp_ten = temp_BH1415_ten << 4;
temp_ten = temp_ten &0xf0;
temp_BH1415_L = temp_ten + temp_BH1415_one;
temp_BH1415_H = temp_BH1415_hundred | 0x48 * /
/ / Temp_BH1415_L = temp_ten + temp_BH1415_one
/ **************************************** /
/ / Output 16-bit serial data control BH1415
CE_L;
CK_L;
DA_L;
NOP ();
NOP ();
NOP ();
CE_H;
BH1415_OUT (temp_BH1415_L, 0x08);
CK_L;
BH1415_OUT (temp_BH1415_H, 0x08);
CE_L;
CK_L;
DA_L;
}
/ *******************************************
Here is the output function
******************************************* /
void LCD_display (unsigned char display_data, unsigned char
function_number)
{/ / LCD output
delay_ms ();
PORTC = function_number;
PORTD = display_character [display_data];
}
/ ********************************************
Here is the control BH1415 ~ ~ ~ 8-bit transmit serial data function
********************************************* /
void BH1415_OUT (unsigned char control_F_DATA, unsigned char
control_number)
{/ / Control BH1415
unsigned char i;
for (i = 0; i <8; i + +)
{
if (control_F_DATA & 0x01 == 0x01)
DA_H;
else
DA_L;
NOP ();
NOP ();
CK_H;
delay_ms ();
NOP ();
NOP ();
CK_L;
NOP ();
NOP ();
control_F_DATA >> = 1;
delay_ms ();
}
}
/ ***************************************
Below is kept Desk function
**************************************** /
void check_save_dais (void)
{/ / Save table function
display_one = 0x01;
display_ten = 0x00;
display_hundred = 0x00;
display_thousand = 0x00;
adjust_save_address = 0x00 ;/ / initialized memory table address
while (save_dais_flag <= 5)
{
if (open_radio == 0)
{/ / Save the station determines
delay_xs (20);
if (open_radio == 0)
{
station_save_IN () ;/ / EEPRAM save Taiwan and function
save_dais_flag = 6;
delay_xs (20);
}
}
else if (F_ADD == 0X00)
{/ / Save the station plus
delay_xs (20);
if (F_ADD == 0X00)
{
display_one + +;
adjust_save_address + = 4; / / save address plus four
if (display_one> = 9)
{/ / Limit memory station number 9
adjust_save_address = 36;
display_one = 9;
}
}
}
else if (F_REDUCE == 0)
{/ / Save desk Less
delay_xs (20);
if (F_REDUCE == 0)
{
display_one -;
adjust_save_address - =
4 ;/ / temp_adjust_save_address-4 ;/ / memory address minus four
if (display_one <= 0x01)
{
adjust_save_address = 0x00;
display_one = 0x01;
}
}
}
/ *********************************
Output displays the deposit station location
********************************* /
LCD_display (display_one, 0xFE);
LCD_display (display_ten, 0xFD);
LED_H;
LCD_display (display_hundred, 0xFB);
LCD_display (display_thousand, 0xF7);
}
save_dais_flag = 0x00 ;/ / memory table to determine the flag is cleared
function_flag = 0x00 ;/ / save Taiwan flag is cleared
}
void main (void)
{
/ / Port initialization
unsigned char i, aaw, y, x, TEMP;
DDRB = 0X00;
PORTB = 0XFF;
DDRC = 0XFF;
PORTC = 0X0F;
DDRD = 0XFF;
PORTD = 0XFF;
x = 0x00;
y = 0x9d;
PORTC = y;
CE_L;
CK_L;
DA_L;
/ / Start frequency 87.0MHZ
temp_display_one = 0x00;
temp_display_ten = 0x07;
temp_display_hundred = 0x08;
temp_display_thousand = 0x00;
/ * Control the BH1415 data buffer * /
temp_BH1415_one = 0x06;
temp_BH1415_ten = 0x06;
temp_BH1415_hundred = 0x03;
temp_BH1415_thousand = 0x00;
/ / Variable initialization
/ / F_DATA_H = 0x00;
/ / F_DATA_L = 0x00; / / frequency of high and low bit
/ / F_flag_H = 0x00 ;/ / frequency storage high
/ / F_flag_L = 0x00 ;/ / store low frequency
/ / LCD_display_H = 0x00 ;/ / LCD high
/ / LCD_display_L = 0x00 ;/ / LCD low
EEPROM_READ_DATA = 0x00 ;/ / read the saved data
EEPROM_READ_NUMBER = 0x00 ;/ / read the saved address
/ / Adjust_PS8889_OUT = 0x00 ;/ / output control number
/ / Adjust_station_number = 0x00 ;/ / check the number of bits of the array
adjust_save_address = 0x00 ;/ / memory address is cleared
adjust_save_function = 0x00 ;/ / save function
/ ************************************************* ******* /
temp_BH1415_L = 0x00 ;/ / control the BH1415 low 8
temp_BH1415_H = 0x00 ;/ / control BH1415 8
open_radio_flag = 0x00 ;/ / boot marked cleared
function_flag = 0x00 ;/ / save Taiwan flag
save_dais_flag = 0 ;/ / memory table to determine the flag is cleared
while (1)
{
if (open_radio == 0)
{/ / Key query boot
delay_xs (10);
if (open_radio == 0)
{
open_radio_flag = 1;
}
while (open_radio_flag == 1)
{/ / Key query, the transfer station
if (open_radio == 0)
{
delay_xs (10);
if (open_radio == 0)
{
do
{/ / Long press to save Taiwan and function
delay_xs (10);
function_flag + +;
if (function_flag> = 50)
{
save1_L;
delay_xs (250);
save1_H;
}
}
while (open_radio <= 0);
if (function_flag> = 50)
{
check_save_dais (); / / jump to keep Taiwan functions
function_flag = 0x00 ;/ / save Taiwan flag is cleared
}
else
{
if (EEPROM_READ_NUMBER> = 36)
{/ / Read tune the station a limit to the number of cycles output: 0 to 9 units
EEPROM_READ_NUMBER = 0;
}
adjust_station_OUT () ;/ / read the output of the transfer station
function_flag = 0x00 ;/ / save Taiwan flag is cleared
}
}
}
else if (F_ADD == 0)
{/ / Frequency plus
delay_xs (10);
if (F_ADD == 0X00)
F_ADD_function () ;/ / frequency increases
}
else if (F_REDUCE == 0)
{/ / Frequency reduction
delay_xs (10);
if (F_REDUCE == 0X00)
F_REDUCE_function () ;/ / frequency reduction
}
/ / Output display
LCD_display (temp_display_one, 0xFE);
LCD_display (temp_display_ten, 0xFD);
LED_H;
LCD_display (temp_display_hundred, 0xFB);
LCD_display (temp_display_thousand, 0xF7);
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