[求助] 【Atmel SAM R21】无线传输程序剖析

// change amount of shift

RFCTRL_FECTRL = (0 << 4/*DIG1*/) | (1 << 2/*DIG2*/);

phyWriteRegister(ANT_DIV_REG, (1 << ANT_CTRL) | (1 << ANT_EXT_SW_EN));

extinguishLamp();

tib.antCtrl = DEFAULT_ANTENNA;

tib.channel = DEFAULT_CHANNEL;

tib.txPwr = DEFAULT_ATTENUATION;

tib.xtalTrim = DEFAULT_XTAL_TRIM;

sprintf(replyMessage, "\r\n" SPLASH_STRING " " VERSION_ID "\r\n");

replySendData();

appState = APP_STATE_IDLE;

} break;

case APP_STATE_IDLE:

break;

default:

break;

}

}

以下是时间句柄：

/*************************************************************************//**

*****************************************************************************/

static void appTimerHandler(SYS_Timer_t *timer)

{

appSendData();

(void)timer;

}

以下是发射句柄：

/*************************************************************************//**

*****************************************************************************/

static bool appDataInd(NWK_DataInd_t *ind)

{

newLetter = ind->data[0];

switch(newLetter)

{

case 'T':

{

lightLamp();

appSetCwMode(); // Key up the transmitter.

} break;

case 's':

{

sprintf(replyMessage, "\r\n" "TIB Values:\r\n""CHANNEL = %d\r\n" "TX_PWR = 0x%02X\r\n" "ANT_CTRL =%d\r\n" "XTAL_TRIM = 0x%02X\r\n",tib.channel, tib.txPwr, tib.antCtrl, tib.xtalTrim);

} break;

case 'C':

{

if (tib.channel != 26) //Upper limit CH26 2480 MHz

tib.channel++;

sprintf(replyMessage, "\r\n" "CHANNEL = %d""\r\n", tib.channel);

} break;

case 'c':

{

if (tib.channel != 11) //Lower limit CH11 2405 MHz

tib.channel--;

sprintf(replyMessage, "\r\n" "CHANNEL = %d""\r\n", tib.channel);

} break;

case 'f': //lower frequency =bigger XTAL_TRIM value

{

if(tib.xtalTrim != 0x0f) //Upper limit is 0x0f

tib.xtalTrim++;

sprintf(replyMessage, "\r\n" "XTAL_TRIM = 0x%02X\r\n", tib.xtalTrim);

} break;

case 'F': //higher frequency =smaller XTAL_TRIM value

{

if(tib.xtalTrim != 0x00) //lower limit is 0x00

tib.xtalTrim--;

sprintf(replyMessage, "\r\n" "XTAL_TRIM = 0x%02X\r\n", tib.xtalTrim);

} break;

case 'P': //higher power = lowerTX_PWR value

{

if (tib.txPwr != 0x00)

tib.txPwr--;

sprintf(replyMessage, "\r\n" "TX_PWR = 0x%02X""\r\n", tib.txPwr);

} break;

case 'p': //lower power = higherTX_PWR value

{

if (tib.txPwr != 0x0f)

tib.txPwr++;

sprintf(replyMessage, "\r\n" "TX_PWR = 0x%02X""\r\n", tib.txPwr);

} break;

case 'a':

{

if (tib.antCtrl == 1)

tib.antCtrl = 2;

sprintf(replyMessage, "\r\n" "ANT_CTRL = %d""\r\n", tib.antCtrl);

} break;

default:

{

sprintf(replyMessage, "\r\n" TOP_MENU "\r\n");

} break;

}

replySendData();

return true;

}

由上边可以看出，如果我把一个程序写进两块板，注意地址是不一样的，我想只改下地址就可以，那么谁是主谁是从应都一样，我下程序下进去，好像串口得改一下，具体我再研究一下。上次做的是利用现有的ELF做的。

我在一个发T，另一个LED0亮了，我又把另一个接电脑发T，我这个板也亮了。

那么自己开发的化只要改变HAL，再加一个旗标，我想就可以了。