| 0,0 → 1,109 |
|---|
| /* mija 2008 |
| demo for RFM01 - TX 868MHz |
| |
| PIC 16F84 |
| xtal = 4MHz |
| */ |
| |
| #include "TX_RFM02.h" |
| |
| //************************************************************************ |
| |
| #define SDI PIN_B0 |
| #define SCK PIN_B1 |
| #define FSK PIN_B2 |
| #define nIRQ PIN_B3 // input for PIC |
| #define nSEL PIN_B4 |
| |
| //************************************************************************ |
| |
| //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 "; |
| |
| //************************************************************************ |
| |
| void RF_INIT(void) |
| { |
| output_high(nSEL); |
| output_high(SDI); |
| output_low(SCK); |
| input(nIRQ); |
| } |
| |
| void RF_WRITE_CMD(unsigned int16 cmd) |
| { |
| unsigned int8 i; |
| |
| 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); |
| } |
| |
| void RF_WRITE_DATA(unsigned int8 data) |
| { |
| unsigned int8 i; |
| |
| for (i=0;i<8;i++) |
| { |
| while (input(nIRQ)); |
| while (!input(nIRQ)); |
| if (data & 0x80) output_high(FSK); |
| else output_low(FSK); |
| data <<= 1; |
| } |
| } |
| |
| void main() |
| { |
| unsigned int8 i,j,ChkSum; |
| |
| setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); |
| |
| output_high(LED); |
| delay_ms(1000); |
| output_low(LED); |
| RF_INIT(); |
| |
| 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 |
| |
| 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); |
| } |
| } |
| |
| |
| |