0,0 → 1,109 |
/* mija 2008 |
demo for RFM01 - TX 868MHz |
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PIC 16F84 |
xtal = 4MHz |
*/ |
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#include "TX_RFM02.h" |
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//************************************************************************ |
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#define SDI PIN_B0 |
#define SCK PIN_B1 |
#define FSK PIN_B2 |
#define nIRQ PIN_B3 // input for PIC |
#define nSEL PIN_B4 |
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//************************************************************************ |
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//unsigned int8 test[16]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x03b,0x3c,0x3d,0x3e,0x3f}; |
unsigned int8 test[16]="\n\r\r\rtest\n\r\r\r "; |
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//************************************************************************ |
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void RF_INIT(void) |
{ |
output_high(nSEL); |
output_high(SDI); |
output_low(SCK); |
input(nIRQ); |
} |
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void RF_WRITE_CMD(unsigned int16 cmd) |
{ |
unsigned int8 i; |
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output_low(SCK); |
output_low(nSEL); |
for (i=0;i<16;i++) |
{ |
output_low(SCK); |
if (cmd & 0x8000) output_high(SDI); |
else output_low(SDI); |
output_high(SCK); |
cmd <<= 1; |
} |
output_low(SCK); |
output_high(nSEL); |
} |
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void RF_WRITE_DATA(unsigned int8 data) |
{ |
unsigned int8 i; |
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for (i=0;i<8;i++) |
{ |
while (input(nIRQ)); |
while (!input(nIRQ)); |
if (data & 0x80) output_high(FSK); |
else output_low(FSK); |
data <<= 1; |
} |
} |
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void main() |
{ |
unsigned int8 i,j,ChkSum; |
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setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); |
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output_high(LED); |
delay_ms(1000); |
output_low(LED); |
RF_INIT(); |
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RF_WRITE_CMD(0xCC00); |
RF_WRITE_CMD(0x9361); // 868BAND,+/-90kHz |
RF_WRITE_CMD(0xA640); // 868Mhz |
RF_WRITE_CMD(0xD040); // rate/2 |
RF_WRITE_CMD(0xC823); // 4.8kbps |
RF_WRITE_CMD(0xC220); // enable bit sync |
RF_WRITE_CMD(0xC001); // close all |
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j= ' '; |
while (1) |
{ |
RF_WRITE_CMD(0xC039); // start tx |
ChkSum = 0; |
RF_WRITE_DATA(0xAA); |
RF_WRITE_DATA(0xAA); |
RF_WRITE_DATA(0xAA); |
RF_WRITE_DATA(0x2D); |
RF_WRITE_DATA(0xD4); |
if (j++ > '~') j = '!'; |
test[15]=j; |
for (i=0;i<16;i++) |
{ |
RF_WRITE_DATA(test[i]); |
ChkSum += test[i]; |
} |
RF_WRITE_DATA(ChkSum); |
RF_WRITE_DATA(0xAA); |
RF_WRITE_CMD(0xC001); |
delay_ms(1000); |
} |
} |
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