CN101340197A - Wireless communication module integrating FM receiving function - Google Patents
Wireless communication module integrating FM receiving function Download PDFInfo
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- CN101340197A CN101340197A CNA2007100435465A CN200710043546A CN101340197A CN 101340197 A CN101340197 A CN 101340197A CN A2007100435465 A CNA2007100435465 A CN A2007100435465A CN 200710043546 A CN200710043546 A CN 200710043546A CN 101340197 A CN101340197 A CN 101340197A
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Abstract
A wireless communication module with an integrated FM receiving function comprises a wireless communication module, an FM receiver, an FM antenna unit, an audio channel of the FM receiver, a controller used for controlling the FM receiver, an input-output control interface, a control procedure of the FM receiver, a memory used for storing the control procedure and a power supply unit of the FM receiver, etc. The wireless communication module can not only complete the self-communication function, but also can control the normal work of the receiver according to the fixed format of the FM receiver, receive and process audio signals of the receiver, and provide power supply control for the receiver. The wireless communication module with the integrated FM receiving function is based on the wireless communication module and combines the FM receiving technology, thereby realizing the dual-function of wireless communication and FM receiving; the FM receiving function is added on the basis of the existing wireless communication module, and the wireless communication module further utilizes a processor of the wireless communication module and the audio channel for processing the received audio signals, thereby facilitating the implementation and not affecting the communication performance of the wireless module.
Description
Technical field
The present invention relates to a kind of wireless communication module, particularly a kind of except can realizing relevant communication function that wireless logical module itself had, also have the module of FM receiving function.
Background technology
Frequency modulation (FM) broadcast receiver is not strange for people, a lot of people like broadcast listening program when driving or having a rest, FM wave band receiving function is all arranged on general broadcast receiver or radio-tape recorder, and this wave band mainly is used for broadcast listening (BROADCAST).
In recent years, along with the continuous quickening of the commercial process of global 3G (mobile communication of the 3rd generation), from the Korean and Japanese to America and Europe, entertainment service such as integrated wireless music broadcast presented the situation of accelerated growth in wireless communication terminal.Meanwhile, move interactive FM business, NowOnAir (obtaining broadcast program information in real time) and also day by day emerge, market potential is very huge.Integrating FM receiving function in wireless communication module except satisfying people's demand of wireless data, voice aspect anywhere or anytime, can also realize listening to the demand that FM broadcasting waits the amusement aspect whenever and wherever possible.The wireless communication module of integrating FM receiving function will be widely used in fields such as vehicle-mounted (GPS+GSM), PDA(Personal Digital Assistant), handheld devices from now on.
Many moneys wireless communication module of China news in morning science and technology (SIM) company, such as disclosed SIM100, SIM300, SIM600 etc., can realize the communication function of GSM and/or GPRS and/or EDGE, utilize wherein memory, controller, program etc., in conjunction with FM receiver technology, can realize the manufacturing of the wireless communication module of integrating FM receiving function easily again.The maximum characteristics of this module are: with low cost, realize that simultaneously FM receives and wireless communication function, function is easy to realize and expansion still do not have such module product on the market simultaneously, the blank of this series products on market filled up in the appearance of the wireless communication module of integrating FM receiving function.This technology is characterised in that: the software and hardware resources that utilizes wireless communication module, comprise wireless communication controller, memory, voice-grade channel, input and output control interface etc., in conjunction with FM receiver technology, by radio communication unit processor inside program, realize functions such as FM reception and Audio Signal Processing.
Summary of the invention
On the basis of existing wireless communication module, increase the FM receiving function, and easy to implement, cheap and do not influence its communication performance, be technical problem to be solved by this invention.
The objective of the invention is to be achieved through the following technical solutions:
According to a kind of wireless communication module of the present invention, comprise a radio communication unit, also comprise a controller and control interface thereof, a memory, a voice-grade channel unit, a FM acceptor unit, a FM antenna element, a power supply power supply unit, and realize the control function module that FM receives.
Wherein, this wireless communication module is except finishing original wireless communication function, also to realize the function that FM receives, the controller of radio communication unit need be finished relevant software function, memory is mainly in order to store the relevant parameter information of FM control function module and FM receiver, the FM receiver receives the FM signal of coming with antenna and changes into audio signal, voice-grade channel mainly is an audio signal of handling the output of FM receiver, reception antenna mainly is the demodulating unit processing that receives the FM primary signal and send receiver to, and the power supply power supply unit mainly provides to the needed power supply of FM receiver.
The present invention also comprises a processing capacity module that is integrated in controller inside, major function is to read FM receiver parameter preset information, control FM receives, and audio frequency output, the receive frequency of control FM receiver are searched functions such as platform, FM frequency configuration, audio frequency output control.
Positive progressive effect of the present invention is: based on wireless communication module, in conjunction with the FM reception technique, realize the dual-use function that also fusing wireless communication and FM receive, on the basis of modern wireless communication technique, extend to the entertainment applications of aspects such as FM reception, the present invention is with low cost, function advanced person, practical, easy to implement and do not influence performance for wireless communications.
Description of drawings
Fig. 1 is the hardware connection diagram of the embodiment of the invention.
Fig. 2 is the software control schematic diagram of the embodiment of the invention.
Fig. 3 is the hardware principle schematic diagram of the embodiment of the invention.
Embodiment
Provide a preferred embodiment of the present invention below in conjunction with Fig. 1～Fig. 3, to describe technical scheme of the present invention in detail.
As shown in Figure 1, a kind of wireless communication module, it is on the basis of an existing wireless communication controller, memory, voice-grade channel, control interface, increase a FM receiver, a FM signal receiving antenna unit that is attached thereto, a power subsystem that offers the power supply of FM receiver, and, finish the control function module that FM receives correlation function for one.
Wireless communication module is mainly finished and is comprised wireless data, the speech communication function, this wireless communication module is a prior art, its controller can be finished functions such as control FM reception by its control interface, memory can be stored the parameter information of FM control program and FM receiver, the FM receiver can receive the FM signal of coming with antenna and change into audio signal, voice-grade channel can be handled the audio signal of FM receiver output, antenna element can receive the FM primary signal and send the demodulating unit processing of FM receiver to, and the power supply power supply unit can offer the needed power supply of FM receiver.Ask for an interview Fig. 1.
In addition, this wireless communication controller contains one finishes the control function module that FM receives correlation function, this control function module is finished the FM receiver parameter preset information that reads, open the power supply power supply of FM receiver, FM receives control: select the FM wave band, select frequency step, control audio output: open or close quiet, monophony or stereo output are set, volume is set, carrying out voice-grade channel switches, the FM receive frequency is set with the broadcast listening program, and search the platform setting, search platform, the FM receive frequency is provided with to change broadcast program, control audio output etc.Ask for an interview Fig. 2.
Wherein, wireless communication module can adopt SIM100 or the SIM300 or the SIM600 etc. of China news in morning science and technology (SIM) company now to sell module, wireless communication controller can adopt and be integrated in the above-mentioned module handler speed of service is 39MHz, and has the integrated dynamic RAM (SRAM) of 1Mb.Memory can adopt the stacked multichip product (MCP) that has been integrated in above-mentioned communication module, such as the S71PL032J08BFW0B0 that can select SPANSION company for use, or selects the similar products such as SST34HF3284 of SST's semiconductor (SST) company for use.Control interface is the integrated common input/output interface (GPIO) of controller ARM7, the FM receiver can be selected the Si4700 of U.S. Silicon Laboratories (Silicon Labs) company or Si4701 etc. for use, this is the FM receiver chip of Silicon Labs company exploitation, chip the is integrated whole tuner function of FM receiving course: export to audio frequency from the antennal interface that stereo FM broadcast radio receives.Digital Low Medium Frequency (low IF) receiver architecture and the frequency synthesizer technology of Si4700/Si4701 utilization Silicon Labs maturation provide remarkable RF (radio frequency) performance and antijamming capability.Wherein, Si4701 has also merged the digital processing unit that is used for European Wireless electricity data system (RDS) and U.S.'s radio broadcasting data system (RBDS),, error detection synchronous comprising all required signal decodings, piece and error correction.Use this function, Si4701 can be shown to the user with the data such as station designator and song title.The FM signal receiving antenna adopts inductance capacitance (LC) frequency-selective network, and frequency range is 76-108MHz.Power unit mainly provides the operating voltage of a FM chip, can select the XC6209B332MR of Te Ruishi company (TOREX) etc. for use, this is the pressurizer (LDO) of the low-leakage current of a 200mA, can control the shutoff of 3.3V output voltage or opens by Enable Pin.Ask for an interview Fig. 3.
Provide the program realization example C language codes of the embodiment of the invention below.
#define?SomeNOP()；_nop_()；_nop_()；_nop_()；_nop_()；
void?SI47XX_2WireCtrl_Start(void)//START?BIT?CONTROL
{
SDIO＝1；
SCLKK＝1；
SomeNOP()；
SDIO＝0；
SomeNOP()； //START
SCLK＝0；
SCLK＝0；
}
void?SI47XX_2WireCtrl_Stop(void)
{
SCLK＝0；
SDIO＝0；
SomeNOP()；
SCLK＝1；
SomeNOP()；
SDIO＝1； //STOP
}
bool?SI47XX_2WireCtrl_WaitAck(void)
//error，no?receive?ACK：overtime?is?255。
{
Byte?errtime＝255；
SDIO＝1；
SomeNOP()；
SCLK＝1；
SomeNOP()；
while(SDIO){
errtime--；
if(！errtime){
SI47XX_2WIRECTRL_Stop()；
SystemError＝0x11； //0x11：ACK?overtime?error
return?FALSE；
}
}
SCLK＝0；
return?TRUE；
}
void?SI47XX_2WIRECTRL_SendByte(Byte?ch)
{
Byte?i＝8；
while(i--)
{
SCLK＝0；
_nop_()；
SDIO＝(bit)(ch&0x80)；
ch＜＜＝1；
SomeNOP()；
SCLK＝1；
SomeNOP()；
}
SCLK＝0；
}
Byte?SI47XX_2WIRECTRL_ReceiveByte(void)
{
Byte?i＝8；
Byte?Recv_data＝0；
SDIO＝1；
while(i--)
{
Recv_data＜＜＝1；
SCLK＝0；
SomeNOP()；
SCLK＝1；
SomeNOP()；
Recv_data|＝SDIO；
}
SCLK＝0；
return?Recv_data；
}
bool?SI47XX_2WIRECTRL_RegisterSet(Byte?Reg_Addr，Word?Reg_Data)
{ //SI47XX?Control
Byte?Temp；
SI47XX_2WireCtrl_Start()； //Start
SI47XX_2WIRECTRL_SendByte(Reg_Addr)；
if(！SI47XX_2WireCtrl_WaitAck())return?FALSE； //ACK
Temp＝(Byte)Reg_Data；
Reg_Data＞＞＝8；
//Send?high?half?Word
SI47XX_2WIRECTRL_SendByte((Byte)Reg_Data)；
if(！SI47XX_2WireCtrl_WaitAck())return?FALSE；
//Send?low?half?Word
SI47XX_2WIRECTRL_SendByte(Temp)；
if(！SI47XX_2WireCtrl_WaitAck())return?FALSE；
SI47XX_2WireCtrl_Stop()； //STOP
retrun?TRUE；
}
Claims (2)
1, a kind of wireless communication module of integrating FM receiving function comprises a unit of finishing wireless communication function, it is characterized in that: also have
A. memory cell, this cell stores is used to control the control program of FM receiver;
B. controller unit and control interface, this control unit is controlled this FM receiver by control interface;
C. a voice-grade channel receives and handles from the audio signal of FM receiver output;
D. receiver with FM receiving function, this receiver is used to receive the FM original modulated signal, and is audio signal with this conversion of signals, and by audio port output, simultaneously, this receiver has controlled interface, controls this receiver by controlled interface;
E. the reception antenna unit of a FM receiver, this antenna element receives the FM signal, with the FM signal filtering, and is sent to FM receiver signal processing unit processes with less consumption;
F. the power supply that provides receiver required is provided for power subsystem of giving the power supply of FM receiver, this power subsystem, and with power filter to eliminate the influence of power supply to the receiver received signal;
G. the control module of a FM receiver control unit, the operation of this control module control FM receiver.
2, the wireless communication module of integrating FM receiving function according to claim 1, its feature in: this communication unit can be finished GSM communication function and/or GPRS communication function and/or EDGE communication function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100435465A CN101340197A (en) | 2007-07-06 | 2007-07-06 | Wireless communication module integrating FM receiving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100435465A CN101340197A (en) | 2007-07-06 | 2007-07-06 | Wireless communication module integrating FM receiving function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101340197A true CN101340197A (en) | 2009-01-07 |
Family
ID=40214175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100435465A Pending CN101340197A (en) | 2007-07-06 | 2007-07-06 | Wireless communication module integrating FM receiving function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101340197A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752566A (en) * | 2011-04-21 | 2012-10-24 | 索尼公司 | Circuit arrangement for providing high deviation mode and method for operating broadcast signal receiver |
-
2007
- 2007-07-06 CN CNA2007100435465A patent/CN101340197A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752566A (en) * | 2011-04-21 | 2012-10-24 | 索尼公司 | Circuit arrangement for providing high deviation mode and method for operating broadcast signal receiver |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090107 |