51调试si4432程序源码完整程序文件 (amobbs.com 阿莫电子技术论坛) -

yyzhen 发表于 2011-8-16 16:03:36

51调试si4432程序源码完整程序文件

/*
* Copyright (c) 2011，
* All rights reserved.
*
* 当前版本：1.0
* 作者：杨永贞QQ534117529
* 开始日期：2011年8月10日
*
*/
#include <reg51.h>
#include <string.h>
#include "radio.h"
#include"spi.h"
#include"uart.h"
#defineU8 unsigned char
#define SEND_OUT_MESSAGE_WITH_ACK    "NEED_ACK"
#define SEND_OUT_MESSAGE_NO_ACK    "NO_ACK"
#define SEND_OUT_ACK                "ACK!"

#define SEND_OUT_MESSAGE_WITH_ACK_LEN 8
#define SEND_OUT_MESSAGE_NO_ACK_LEN 6
#define SEND_OUT_ACK_LEN             4
#define SNED_OUT_MSG_MAX_LEN          8    //It is the maxium length of the send out packet.

extern idata U8 ItStatus1,ItStatus2;
void delay_ms(unsigned int ms)
{
unsigned int i;
unsigned char j;
for(i=0;i<ms;i++)
{
for(j=0;j<200;j++);
for(j=0;j<102;j++);
}
}
void Init_Device(void)
{
// Reset_Sources_Init();
// PCA_Init();
//Port_IO_Init(); // Oscillator_Init();
// Timer0_Init();
SPI_Init();
EA = 1; //Enable Gloable interruption.

//启动射频模块，模块的SDN引脚拉低后必须延时至少30ms，实际上可以直接把SDN引脚接地，这样就不用在程序中初始化了；
RF_SDN=0;
delay_ms(30);
delay_ms(30);
// RF_SDN = 0;
// DelayMs(30);
// NSEL = 1;
// SCLK = 0;

   SpiWriteRegister(0x0B, 0xCA);
   SpiWriteRegister(0x0C, 0xCA);
   SpiWriteRegister(0x0D, 0xCA);

//1.Blink the LED to show that the initialization is finished.
//2.Wait for more than 16ms to wait for the radio chip to work correctly.
// TurnOnAllLEDs();

// DelayMs(20);
delay_ms(20);
// TurnOffAllLEDs();
}

void main(void)
{
U8 length,temp8, *str, sendLen;
U8 payload;

//Initialize the MCU:
UART_Init();
Init_Device();
UART_Send_Str("MCU初始化完毕....\n");
//读取中断状态寄存器清除中断标志以便释放NIRQ引脚
//如果中断来了，那么NIRQ引脚会被拉低；如果这时候中断状态寄存器0x03和0x04被读取，那么NIRQ引脚会被释放恢复高电平
ItStatus1 = SpiReadRegister(0x03); //read the Interrupt Status1 register
ItStatus2 = SpiReadRegister(0x04); //read the Interrupt Status2 register

//SW reset，软件复位这个模块主控芯片
SpiWriteRegister(0x07, 0x80); //write 0x80 to the Operating & Function Control1 register
// DelayMs(20);
delay_ms(20);
delay_ms(20);
//wait for POR interrupt from the radio (while the nIRQ pin is high)
//wait for chip ready interrupt from the radio (while the nIRQ pin is high)
//等待软复位完成，当软复位完成后有中断发生。客户也可以在这里直接延时至少20ms而不用等待中断来；等待至少20ms后复位完成，这时候必须读中断状态寄存器释放中断引脚
while ( NIRQ == 1);
//read interrupt status registers to clear the interrupt flags and release NIRQ pin
ItStatus1 = SpiReadRegister(0x03); //read the Interrupt Status1 register
ItStatus2 = SpiReadRegister(0x04); //read the Interrupt Status2 register

//根据不同的射频参数初始化射频模块；
RF_init();
UART_Send_Str("RF芯片si4432初始化完毕....\n");
//Enable two interrupts:
// a) one which shows that a valid packet received: 'ipkval'
// b) second shows if the packet received with incorrect CRC: 'icrcerror'
//设置中断使能寄存器，这里设置为只有当有效的数据包被接收或者接收到的数据包数据CRC校验出错才来中断；具体设置参考0x05和0x06寄存器
SpiWriteRegister(0x05, 0x03); //write 0x03 to the Interrupt Enable 1 register
SpiWriteRegister(0x06, 0x00); //write 0x00 to the Interrupt Enable 2 register

//output dummy data.
PB1_TX = 1;
PB2_TX = 1;

str = SEND_OUT_MESSAGE_WITH_ACK;
sendLen = SEND_OUT_MESSAGE_WITH_ACK_LEN;

//设置模块处于接收状态，当没有按键按下的时候一直处于接收状态，等待接收数据
RFSetRxMode();
UART_Send_Str("模块处于接收状态....\n");
/*MAIN Loop*/
while(1)
{

//当按键被按下就有一个数据包被发出；
   if(PB1_TX == 0)
{
while( PB1_TX == 0 );
UART_Send_Str("按键按下,开始发送....\n");
RFFIFOSendData(sendLen, str);
//after packet transmission set the interrupt enable bits according receiving mode
//Enable two interrupts:
// a) one which shows that a valid packet received: 'ipkval'
// b) second shows if the packet received with incorrect CRC: 'icrcerror'
//设置中断使能寄存器，这里设置为只有当有效的数据包被接收或者接收到的数据包数据CRC校验出错才来中断；具体设置参考0x05和0x06寄存器
SpiWriteRegister(0x05, 0x03); //write 0x03 to the Interrupt Enable 1 register
SpiWriteRegister(0x06, 0x00); //write 0x00 to the Interrupt Enable 2 register
//发射完毕后设置模块让它又工作在接收状态下；
RFSetRxMode();
UART_Send_Str("发送完毕，恢复到接收状态....\n");
}

//check whether interrupt occured
//查询中断是否到来，如果中断来了，根据我们前面中断使能寄存器的设置，说明有效数据包已经收到，或者收到的数据包CRC校验出错；
//如果客户采用中断触发的方式，那么服务程序必须包括这些内容。在中断服务程序中必须判断被使能的那些中断的状态位是否被置位，然后根据不同的
//状态位进行处理
if( NIRQ == 0 )
{

   //设置模块处于空闲模式，处理收到的数据包，不继续接收数据
RFSetIdleMode();
         UART_Send_Str("中断来了....\n");
/*CRC Error interrupt occured*/
//判断是否由于CRC校验出错引发的中断；在RFSetIdleMode中已经读出了中断状态寄存器的值
if( (ItStatus1 & 0x01) == 0x01 )
{
//reset the RX FIFO
//如果是CRC校验出错，那么接收FIFO复位；
            SpiWriteRegister(0x08, 0x02); //write 0x02 to the Operating Function Control 2 register
         SpiWriteRegister(0x08, 0x00); //write 0x00 to the Operating Function Control 2 register
//blink all LEDs to show the error
//闪灯提示，客户移植代码的时候这个闪灯操作根据不同客户不同操作
// TurnOnAllLEDs();
// DelayMs(2);
UART_Send_Str("CRC校验出错中断....\n");
// TurnOffAllLEDs();
}

/*packet received interrupt occured*/
//判断是否是数据包已经被正确接收。
if( (ItStatus1 & 0x02) == 0x02 )
{
//Read the length of the received payload
//数据包已经被正确接收，读取收到的数据包长度
length = SpiReadRegister(0x4B); //read the Received Packet Length register
//根据长度判断相应的操作。客户可以不做这些，而直接从FIFO读出收到的数据；
//check whether the received payload is not longer than the allocated buffer in the MCU
if(length <= SNED_OUT_MSG_MAX_LEN)
{
//Get the reeived payload from the RX FIFO
//直接从FIFO中读取收到的数据。客户只要读出FIFO的数据就算收到数据。
for(temp8=0;temp8 < length;temp8++)
{
payload = SpiReadRegister(0x7F); //read the FIFO Access register
}

for(temp8=0;temp8 < length;temp8++)
{
UART_Send_Byte(payload); //向串口发送接收到的数据
}
               UART_Send_Str("向串口发送接收到的数据....\n");
//check whether the acknowledgement packet received
//判断是否是预先设定的数据；一般应用情况客户可以不理会这个，这个判断只是我们demo板的应用。客户只要读出FIFO的数据就算收到数据；
if(( length == SEND_OUT_ACK_LEN ) || (length == SEND_OUT_MESSAGE_NO_ACK_LEN))
            {
            if((memcmp(&payload, SEND_OUT_ACK, SEND_OUT_ACK_LEN - 1) == 0 )
|| (memcmp(&payload, SEND_OUT_MESSAGE_NO_ACK, SEND_OUT_MESSAGE_NO_ACK_LEN - 1) == 0))
   {
                  //blink LED2 to show that ACK received
         // RxLEDOn();
//Show the Rx LED for about 10ms
UART_Send_Str("数据包已经被正确接收....\n");
// DelayMs(2);
         // TurnOffAllLEDs();
}
}

//check whether an expected packet received, this should be acknowledged
//判断是否是需要发送回答信号的数据包。这个只是根据收到的数据做的不同操作，在客户那里可能是根据收到的数据做的特定的操作，例如控制某个开关
if( length == SEND_OUT_MESSAGE_WITH_ACK_LEN )
            {
//必须发送应答信号，启动发送
            if( memcmp(&payload, SEND_OUT_MESSAGE_WITH_ACK, SEND_OUT_MESSAGE_WITH_ACK_LEN - 1) == 0 )
   {
                     //blink LED2 to show that the packet received
         //RxLEDOn();
//Show the Rx LED for about 10ms
// DelayMs(2);
UART_Send_Str("发送应答....\n");
         // TurnOffAllLEDs();

//发送应答信号。
/*send back an acknowledgement*/
RFFIFOSendData(SEND_OUT_ACK_LEN, SEND_OUT_ACK);

//after packet transmission set the interrupt enable bits according receiving mode
//Enable two interrupts:
// a) one which shows that a valid packet received: 'ipkval'
// b) second shows if the packet received with incorrect CRC: 'icrcerror'
SpiWriteRegister(0x05, 0x03); //write 0x03 to the Interrupt Enable 1 register
SpiWriteRegister(0x06, 0x00); //write 0x00 to the Interrupt Enable 2 register
//read interrupt status registers to release all pending interrupts
ItStatus1 = SpiReadRegister(0x03); //read the Interrupt Status1 register
ItStatus2 = SpiReadRegister(0x04); //read the Interrupt Status2 register
}
}
}
   }
//reset the RX FIFO
   SpiWriteRegister(0x08, 0x02); //write 0x02 to the Operating Function Control 2 register
      SpiWriteRegister(0x08, 0x00); //write 0x00 to the Operating Function Control 2 register
RFSetRxMode();
}
}
}

yyzhen 发表于 2011-8-16 16:05:24

网速太慢，整个文件没能传上，改天继续吧。

yyzhen 发表于 2011-8-17 13:22:40

完整程序文件如下：点击此处下载 ourdev_668447OEXN7G.rar(文件大小:59K) (原文件名:RFtest51_1.rar)

lwcode 发表于 2011-8-19 19:53:45

请问一下楼主，你的这个测试实际距离有多远？我的一直不理想，距离好近，就几十米……

yyzhen 发表于 2011-8-21 15:28:46

回复【3楼】lwcode
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回复【3楼】lwcode
-----------------------------------------------------------------------

测试距离跟硬件设计关系很大啊！

yyzhen 发表于 2011-8-22 08:23:47

回复【4楼】aabbccdd
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si4432是一款很不错的无线芯片。采用Silicon Labs EZRadioPRO系列ISM频段无线芯片SI4432,在240-960 MHZ频段下最大输出功率可以达到+20DBm。

zplmcu 发表于 2011-11-9 00:49:50

回复【6楼】yyzhen
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问下楼主你这程序是能通讯吗？看了你的SPI读写程序，有点疑问看SI4432 SPI读写这应该使用 SPI模式0 CKPOL=0, CKPHA=0

http://cache.amobbs.com/bbs_upload782111/files_47/ourdev_693180AVN8XJ.jpg
(原文件名:QQ截图未命名.jpg)

tDS Data setup time 20 时钟在低电平数据建立过程
tDH Data hold time 20时钟在高电平数据保持过程

ndt2000 发表于 2011-11-13 21:52:31

mark

ghbb88 发表于 2011-11-14 13:44:34

mark！

yyzhen 发表于 2011-11-17 08:52:05

欢迎加入我创建的单片机技术交流群，群号：92381027
无论你是擅长51,avr还是msp430单片机的，用c语言编程都是相通的，欢迎加入。相互学习

nanhuayipang 发表于 2011-12-17 18:29:45

多谢楼主的分享，好好学习下！

yuri_su 发表于 2012-2-25 00:54:52

正在调试中...使用你的代码已经可以发送了

ljt80158015 发表于 2012-2-25 09:02:08

mark！！

zdw198426 发表于 2012-2-27 15:47:41

MARK!

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51调试si4432程序源码 完整程序文件

51调试si4432程序源码完整程序文件