#include?“FM.h“

//外部變量，保存寄存器寫入讀出的值
extern	unsigned?char?radio_read_data[5];
extern	unsigned?char?radio_write_data[5];



//讀?TEA5767?狀態并轉換成頻率
unsigned?long?radio_read（void）
{
	unsigned?char?temp_ltemp_h;
	unsigned?long?pll=0;
	unsigned?long?frequency;

	HAL_I2C_Master_Receive（&hi2c20xc1radio_read_data5500）;
	
	temp_l=radio_read_data[1];
	temp_h=radio_read_data[0];
	temp_h&=0x3f;
	
	pll=temp_h*256+temp_l;
	
	if?（radio_write_data[2]&0x10）
		frequency=（unsigned?long）（（float）（pll）*（float）8.192-225）;?//頻率單位:KHz
	else
		frequency=（unsigned?long）（（float）（pll）*（float）8.192+225）;?//頻率單位:KHz
	
	printf（“frequency:%ld\r\n“frequency）;
	
	return?frequency;
}


//手動設置頻率mode=1+0.1MHz;?mode=0:-0.1MHz?不用考慮?TEA5767?用于搜臺的相關位:SMSUD
void?search（uint8_t?mode）
{
	unsigned?long?pll=0;
	unsigned?long?frequency;
	
	frequency?=?radio_read（）;
	
	if（mode）
	{
		frequency+=200;
		if（frequency>max_freq）
			frequency=min_freq;
	}
	else
	{
		frequency-=200;
		if（frequency			frequency=max_freq;
	}
	
	if?（radio_write_data[2]&0x10）
		pll=（unsigned?long）（（float）（（frequency+225）*4）/（float）32.768）;?//頻率單位:k
	else
		pll=（unsigned?long）（（float）（（frequency-225）*4）/（float）32.768）;?//頻率單位:k
	
	radio_write_data[0]=pll/256;
	radio_write_data[1]=pll%256;
	radio_write_data[2]=0x20;
	radio_write_data[3]=0x11;
	radio_write_data[4]=0x00;
	
	HAL_I2C_Master_Transmit（&hi2c20xc0radio_write_data5500）;
	
}


//自動搜臺mode=1頻率增加搜臺;?mode=“0:頻率減小搜臺“.
void?Auto_Search（unsigned?char?mode）
{
	unsigned?long?pll=0;
	unsigned?long?frequency;
	
	frequency?=?radio_read（）;
	
	if?（radio_write_data[2]&0x10）
		pll=（unsigned?long）（（float）（（frequency+225）*4）/（float）32.768）;?//頻率單位:k
	else
		pll=（unsigned?long）（（float）（（frequency-225）*4）/（float）32.768）;?//頻率單位:k
	
	if（mode）
	{
		radio_write_data[2]?=?0xb1;
		if（pll?>?max_pll）
		{
			pll?=?min_pll;
		}
	}
	else
	{
		radio_write_data[2]?=?0x41;
		if（pll?		{
			pll?=?max_pll;
		}
	}
	
	radio_write_data[0]?=?pll/256+0x40;
	radio_write_data[1]?=?pll%256;?
	radio_write_data[3]?=?0x11;
	radio_write_data[4]?=?0x40;
	
	HAL_I2C_Master_Transmit（&hi2c20xc0radio_write_data5500）;
	

	while（!（radio_read_data[0]&0x80））?//RF電臺就緒標志
	{
		frequency?=?radio_read（）;
	}?
	
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-12?09:33??code\
?????目錄???????????0??2018-03-12?09:26??code\FM_test\
?????文件????????5388??2018-03-10?16:27??code\FM_test\.mxproject
?????目錄???????????0??2018-03-12?09:33??code\FM_test\EWARM\
?????文件?????????235??2018-03-12?09:33??code\FM_test\EWARM\FM_Test.dep
?????文件???????50973??2018-03-10?16:27??code\FM_test\EWARM\FM_Test.ewd
?????文件???????31535??2018-03-10?16:27??code\FM_test\EWARM\FM_Test.ewp
?????文件???????91510??2018-03-10?14:28??code\FM_test\EWARM\FM_Test.ewt
?????文件?????????151??2018-03-10?14:26??code\FM_test\EWARM\Project.eww
?????目錄???????????0??2018-03-10?16:27??code\FM_test\EWARM\settings\
?????文件?????????384??2018-03-12?09:33??code\FM_test\EWARM\settings\FM_Test.crun
?????文件??????????69??2018-03-12?09:33??code\FM_test\EWARM\settings\FM_Test.dbgdt
?????文件????????3617??2018-03-12?09:33??code\FM_test\EWARM\settings\FM_Test.dnx
?????文件????????1504??2018-03-12?09:33??code\FM_test\EWARM\settings\FM_Test.FM_Test.cspy.bat
?????文件????????1445??2018-03-12?09:33??code\FM_test\EWARM\settings\FM_Test.FM_Test.cspy.ps1
?????文件?????????379??2018-03-12?09:33??code\FM_test\EWARM\settings\FM_Test.FM_Test.driver.xcl
?????文件?????????346??2018-03-12?09:33??code\FM_test\EWARM\settings\FM_Test.FM_Test.general.xcl
?????文件???????25465??2018-03-12?09:33??code\FM_test\EWARM\settings\Project.wsdt
?????文件???????31647??2018-01-24?15:52??code\FM_test\EWARM\startup_stm32f767xx.s
?????文件????????1598??2018-03-10?16:27??code\FM_test\EWARM\stm32f767xx_flash.icf
?????文件????????1634??2018-03-10?16:27??code\FM_test\EWARM\stm32f767xx_ITCM_flash.icf
?????文件????????1598??2018-03-10?16:27??code\FM_test\EWARM\stm32f767xx_sram.icf
?????文件????????8142??2018-03-10?16:27??code\FM_test\FM_Test.ioc
?????目錄???????????0??2018-03-10?17:07??code\FM_test\Inc\
?????文件?????????368??2018-03-10?17:07??code\FM_test\Inc\FM.h
?????文件????????3042??2018-03-10?16:27??code\FM_test\Inc\gpio.h
?????文件????????3111??2018-03-10?16:27??code\FM_test\Inc\i2c.h
?????文件????????3709??2018-03-10?16:29??code\FM_test\Inc\main.h
?????文件???????17281??2018-03-10?16:27??code\FM_test\Inc\stm32f7xx_hal_conf.h
?????文件????????2848??2018-03-10?16:27??code\FM_test\Inc\stm32f7xx_it.h
?????文件????????3130??2018-03-10?16:27??code\FM_test\Inc\usart.h
............此處省略14個文件信息