diff options
| -rw-r--r-- | target/radio/Makefile | 18 | ||||
| -rw-r--r-- | target/radio/init.c | 205 | ||||
| -rw-r--r-- | target/radio/radio.h (renamed from target/radio/radio.c) | 296 | ||||
| -rw-r--r-- | target/radio/recv.c | 66 | ||||
| -rw-r--r-- | target/radio/xmit.c | 47 |
5 files changed, 420 insertions, 212 deletions
diff --git a/target/radio/Makefile b/target/radio/Makefile index a26fa458..97706fef 100644 --- a/target/radio/Makefile +++ b/target/radio/Makefile @@ -12,7 +12,7 @@ LDFLAGS_RAM=$(LDFLAGS) --code-loc 0xf000 --xram-loc 0xf400 --xram-size 1024 LDFLAGS_FLASH=$(LDFLAGS) --code-loc 0x0000 --xram-loc 0xf000 --xram-size 1024 -SRC=radio.c +SRC=xmit.c recv.c init.c ADB=$(SRC:.c=.adb) ASM=$(SRC:.c=.asm) LNK=$(SRC:.c=.lnk) @@ -21,7 +21,7 @@ REL=$(SRC:.c=.rel) RST=$(SRC:.c=.rst) SYM=$(SRC:.c=.sym) -PROGS=radio-flash.ihx radio-ram.ihx +PROGS=xmit-flash.ihx xmit-ram.ihx recv-flash.ihx recv-ram.ihx PCDB=$(PROGS:.ihx=.cdb) PLNK=$(PROGS:.ihx=.lnk) PMAP=$(PROGS:.ihx=.map) @@ -33,11 +33,17 @@ PAOM=$(PROGS:.ihx=) all: $(PROGS) -radio-ram.ihx: $(REL) Makefile - $(CC) $(LDFLAGS_RAM) $(CFLAGS) -o radio-ram.ihx $(REL) - $(CC) $(LDFLAGS_FLASH) $(CFLAGS) -o radio-flash.ihx $(REL) +xmit-ram.ihx: xmit.rel init.rel Makefile + $(CC) $(LDFLAGS_RAM) $(CFLAGS) -o xmit-ram.ihx xmit.rel init.rel + $(CC) $(LDFLAGS_FLASH) $(CFLAGS) -o xmit-flash.ihx xmit.rel init.rel -radio-flash.ihx: radio-ram.ihx +xmit-flash.ihx: xmit-ram.ihx + +recv-ram.ihx: recv.rel init.rel Makefile + $(CC) $(LDFLAGS_RAM) $(CFLAGS) -o recv-ram.ihx recv.rel init.rel + $(CC) $(LDFLAGS_FLASH) $(CFLAGS) -o recv-flash.ihx recv.rel init.rel + +recv-flash.ihx: recv-ram.ihx clean: rm -f $(ADB) $(ASM) $(LNK) $(LST) $(REL) $(RST) $(SYM) diff --git a/target/radio/init.c b/target/radio/init.c new file mode 100644 index 00000000..61efb347 --- /dev/null +++ b/target/radio/init.c @@ -0,0 +1,205 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "radio.h" + +/* Values from SmartRF® Studio for: + * + * Deviation: 20.507812 kHz + * Datarate: 38.360596 kBaud + * Modulation: GFSK + * RF Freq: 434.549927 MHz + * Channel: 99.975586 kHz + * Channel: 0 + * RX filter: 93.75 kHz + */ + +/* + * For 434.550MHz, the frequency value is: + * + * 434.550e6 / (24e6 / 2**16) = 1186611.2 + */ + +#define FREQ_CONTROL 1186611 + +/* + * For IF freq of 140.62kHz, the IF value is: + * + * 140.62e3 / (24e6 / 2**10) = 6 + */ + +#define IF_FREQ_CONTROL 6 + +/* + * For channel bandwidth of 93.75 kHz, the CHANBW_E and CHANBW_M values are + * + * BW = 24e6 / (8 * (4 + M) * 2 ** E) + * + * So, M = 0 and E = 3 + */ + +#define CHANBW_M 0 +#define CHANBW_E 3 + +/* + * For a symbol rate of 38360kBaud, the DRATE_E and DRATE_M values are: + * + * R = (256 + M) * 2** E * 24e6 / 2**28 + * + * So M is 163 and E is 10 + */ + +#define DRATE_E 10 +#define DRATE_M 163 + +/* + * For a channel deviation of 20.5kHz, the DEVIATION_E and DEVIATION_M values are: + * + * F = 24e6/2**17 * (8 + DEVIATION_M) * 2**DEVIATION_E + * + * So M is 6 and E is 3 + */ + +#define DEVIATION_M 6 +#define DEVIATION_E 3 + +#define PACKET_LEN 128 + +/* This are from the table for 433MHz */ + +#define RF_POWER_M30_DBM 0x12 +#define RF_POWER_M20_DBM 0x0e +#define RF_POWER_M15_DBM 0x1d +#define RF_POWER_M10_DBM 0x34 +#define RF_POWER_M5_DBM 0x2c +#define RF_POWER_0_DBM 0x60 +#define RF_POWER_5_DBM 0x84 +#define RF_POWER_7_DBM 0xc8 +#define RF_POWER_10_DBM 0xc0 + +#define RF_POWER RF_POWER_0_DBM + +static __code uint8_t radio_setup[] = { + RF_PA_TABLE7_OFF, RF_POWER, + RF_PA_TABLE6_OFF, RF_POWER, + RF_PA_TABLE5_OFF, RF_POWER, + RF_PA_TABLE4_OFF, RF_POWER, + RF_PA_TABLE3_OFF, RF_POWER, + RF_PA_TABLE2_OFF, RF_POWER, + RF_PA_TABLE1_OFF, RF_POWER, + RF_PA_TABLE0_OFF, RF_POWER, + + RF_FREQ2_OFF, FREQ_CONTROL >> 16, + RF_FREQ1_OFF, FREQ_CONTROL >> 8, + RF_FREQ0_OFF, FREQ_CONTROL >> 0, + + RF_FSCTRL1_OFF, (IF_FREQ_CONTROL << RF_FSCTRL1_FREQ_IF_SHIFT), + RF_FSCTRL0_OFF, (0 << RF_FSCTRL0_FREQOFF_SHIFT), + + RF_MDMCFG4_OFF, ((CHANBW_E << RF_MDMCFG4_CHANBW_E_SHIFT) | + (CHANBW_M << RF_MDMCFG4_CHANBW_M_SHIFT) | + (DRATE_E << RF_MDMCFG4_DRATE_E_SHIFT)), + RF_MDMCFG3_OFF, (DRATE_M << RF_MDMCFG3_DRATE_M_SHIFT), + RF_MDMCFG2_OFF, (RF_MDMCFG2_DEM_DCFILT_OFF | + RF_MDMCFG2_MOD_FORMAT_GFSK | + RF_MDMCFG2_SYNC_MODE_15_16_THRES), + RF_MDMCFG1_OFF, (RF_MDMCFG1_FEC_DIS | + RF_MDMCFG1_NUM_PREAMBLE_4 | + (2 << RF_MDMCFG1_CHANSPC_E_SHIFT)), + RF_MDMCFG0_OFF, (17 << RF_MDMCFG0_CHANSPC_M_SHIFT), + + RF_CHANNR_OFF, 0, + + RF_DEVIATN_OFF, ((DEVIATION_E << RF_DEVIATN_DEVIATION_E_SHIFT) | + (DEVIATION_M << RF_DEVIATN_DEVIATION_M_SHIFT)), + + /* SmartRF says set LODIV_BUF_CURRENT_TX to 0 + * And, we're not using power ramping, so use PA_POWER 0 + */ + RF_FREND0_OFF, ((1 << RF_FREND0_LODIV_BUF_CURRENT_TX_SHIFT) | + (0 << RF_FREND0_PA_POWER_SHIFT)), + + RF_FREND1_OFF, ((1 << RF_FREND1_LNA_CURRENT_SHIFT) | + (1 << RF_FREND1_LNA2MIX_CURRENT_SHIFT) | + (1 << RF_FREND1_LODIV_BUF_CURRENT_RX_SHIFT) | + (2 << RF_FREND1_MIX_CURRENT_SHIFT)), + + RF_FSCAL3_OFF, 0xE9, + RF_FSCAL2_OFF, 0x0A, + RF_FSCAL1_OFF, 0x00, + RF_FSCAL0_OFF, 0x1F, + + RF_TEST2_OFF, 0x88, + RF_TEST1_OFF, 0x31, + RF_TEST0_OFF, 0x09, + + /* default sync values */ + RF_SYNC1_OFF, 0xD3, + RF_SYNC0_OFF, 0x91, + + /* max packet length */ + RF_PKTLEN_OFF, PACKET_LEN, + + RF_PKTCTRL1_OFF, ((1 << PKTCTRL1_PQT_SHIFT)| + PKTCTRL1_APPEND_STATUS| + PKTCTRL1_ADR_CHK_NONE), + RF_PKTCTRL0_OFF, (RF_PKTCTRL0_PKT_FORMAT_NORMAL| + RF_PKTCTRL0_LENGTH_CONFIG_FIXED), + RF_ADDR_OFF, 0x00, + RF_MCSM2_OFF, (RF_MCSM2_RX_TIME_END_OF_PACKET), + RF_MCSM1_OFF, (RF_MCSM1_CCA_MODE_RSSI_BELOW_UNLESS_RECEIVING| + RF_MCSM1_RXOFF_MODE_IDLE| + RF_MCSM1_TXOFF_MODE_IDLE), + RF_MCSM0_OFF, (RF_MCSM0_FS_AUTOCAL_FROM_IDLE| + RF_MCSM0_MAGIC_3| + RF_MCSM0_CLOSE_IN_RX_18DB), + RF_FOCCFG_OFF, (RF_FOCCFG_FOC_PRE_K_3K, + RF_FOCCFG_FOC_POST_K_PRE_K, + RF_FOCCFG_FOC_LIMIT_BW_OVER_4), + RF_BSCFG_OFF, (RF_BSCFG_BS_PRE_K_2K| + RF_BSCFG_BS_PRE_KP_3KP| + RF_BSCFG_BS_POST_KI_PRE_KI| + RF_BSCFG_BS_POST_KP_PRE_KP| + RF_BSCFG_BS_LIMIT_0), + RF_AGCCTRL2_OFF, 0x43, + RF_AGCCTRL1_OFF, 0x40, + RF_AGCCTRL0_OFF, 0x91, + + RF_IOCFG2_OFF, 0x00, + RF_IOCFG1_OFF, 0x00, + RF_IOCFG0_OFF, 0x00, +}; + +void +radio_init(void) { + uint8_t i; + for (i = 0; i < sizeof (radio_setup); i += 2) + RF[radio_setup[i]] = radio_setup[i+1]; +} + +#define nop() _asm nop _endasm; + +void +delay (unsigned char n) +{ + unsigned char i = 0; + + n <<= 1; + while (--n != 0) + while (--i != 0) + nop(); +} diff --git a/target/radio/radio.c b/target/radio/radio.h index bf893699..d501ad12 100644 --- a/target/radio/radio.c +++ b/target/radio/radio.h @@ -20,6 +20,15 @@ sfr at 0x80 P0; sfr at 0x90 P1; +sbit at 0x90 P1_0; +sbit at 0x91 P1_1; +sbit at 0x92 P1_2; +sbit at 0x93 P1_3; +sbit at 0x94 P1_4; +sbit at 0x95 P1_5; +sbit at 0x96 P1_6; +sbit at 0x97 P1_7; + sfr at 0xA0 P2; sfr at 0xC6 CLKCON; @@ -42,6 +51,15 @@ sfr at 0x8B P2IFG; sfr at 0xD9 RFD; sfr at 0xE9 RFIF; +#define RFIF_IM_TXUNF (1 << 7) +#define RFIF_IM_RXOVF (1 << 6) +#define RFIF_IM_TIMEOUT (1 << 5) +#define RFIF_IM_DONE (1 << 4) +#define RFIF_IM_CS (1 << 3) +#define RFIF_IM_PQT (1 << 2) +#define RFIF_IM_CCA (1 << 1) +#define RFIF_IM_SFD (1 << 0) + sfr at 0xE1 RFST; sfr at 0x88 TCON; @@ -83,9 +101,22 @@ __xdata __at (0xdf02) uint8_t RF_PKTLEN; __xdata __at (0xdf03) uint8_t RF_PKTCTRL1; #define RF_PKTCTRL1_OFF 0x03 +#define PKTCTRL1_PQT_MASK (0x7 << 5) +#define PKTCTRL1_PQT_SHIFT 5 +#define PKTCTRL1_APPEND_STATUS (1 << 2) +#define PKTCTRL1_ADR_CHK_NONE (0 << 0) +#define PKTCTRL1_ADR_CHK_NO_BROADCAST (1 << 0) +#define PKTCTRL1_ADR_CHK_00_BROADCAST (2 << 0) +#define PKTCTRL1_ADR_CHK_00_FF_BROADCAST (3 << 0) __xdata __at (0xdf04) uint8_t RF_PKTCTRL0; #define RF_PKTCTRL0_OFF 0x04 +#define RF_PKTCTRL0_WHITE_DATA (1 << 6) +#define RF_PKTCTRL0_PKT_FORMAT_NORMAL (0 << 4) +#define RF_PKTCTRL0_PKT_FORMAT_RANDOM (2 << 4) +#define RF_PKTCTRL0_CRC_EN (1 << 2) +#define RF_PKTCTRL0_LENGTH_CONFIG_FIXED (0 << 0) +#define RF_PKTCTRL0_LENGTH_CONFIG_VARIABLE (1 << 0) __xdata __at (0xdf05) uint8_t RF_ADDR; #define RF_ADDR_OFF 0x05 @@ -128,6 +159,7 @@ __xdata __at (0xdf0e) uint8_t RF_MDMCFG2; #define RF_MDMCFG2_OFF 0x0e #define RF_MDMCFG2_DEM_DCFILT_OFF (1 << 7) +#define RF_MDMCFG2_DEM_DCFILT_ON (0 << 7) #define RF_MDMCFG2_MOD_FORMAT_MASK (7 << 4) #define RF_MDMCFG2_MOD_FORMAT_2_FSK (0 << 4) @@ -151,6 +183,7 @@ __xdata __at (0xdf0f) uint8_t RF_MDMCFG1; #define RF_MDMCFG1_OFF 0x0f #define RF_MDMCFG1_FEC_EN (1 << 7) +#define RF_MDMCFG1_FEC_DIS (0 << 7) #define RF_MDMCFG1_NUM_PREAMBLE_MASK (7 << 4) #define RF_MDMCFG1_NUM_PREAMBLE_2 (0 << 4) @@ -178,18 +211,72 @@ __xdata __at (0xdf11) uint8_t RF_DEVIATN; __xdata __at (0xdf12) uint8_t RF_MCSM2; #define RF_MCSM2_OFF 0x12 +#define RF_MCSM2_RX_TIME_RSSI (1 << 4) +#define RF_MCSM2_RX_TIME_QUAL (1 << 3) +#define RF_MCSM2_RX_TIME_MASK (0x7) +#define RF_MCSM2_RX_TIME_SHIFT 0 +#define RF_MCSM2_RX_TIME_END_OF_PACKET (7) __xdata __at (0xdf13) uint8_t RF_MCSM1; #define RF_MCSM1_OFF 0x13 +#define RF_MCSM1_CCA_MODE_ALWAYS (0 << 4) +#define RF_MCSM1_CCA_MODE_RSSI_BELOW (1 << 4) +#define RF_MCSM1_CCA_MODE_UNLESS_RECEIVING (2 << 4) +#define RF_MCSM1_CCA_MODE_RSSI_BELOW_UNLESS_RECEIVING (3 << 4) +#define RF_MCSM1_RXOFF_MODE_IDLE (0 << 2) +#define RF_MCSM1_RXOFF_MODE_FSTXON (1 << 2) +#define RF_MCSM1_RXOFF_MODE_TX (2 << 2) +#define RF_MCSM1_RXOFF_MODE_RX (3 << 2) +#define RF_MCSM1_TXOFF_MODE_IDLE (0 << 0) +#define RF_MCSM1_TXOFF_MODE_FSTXON (1 << 0) +#define RF_MCSM1_TXOFF_MODE_TX (2 << 0) +#define RF_MCSM1_TXOFF_MODE_RX (3 << 0) __xdata __at (0xdf14) uint8_t RF_MCSM0; #define RF_MCSM0_OFF 0x14 +#define RF_MCSM0_FS_AUTOCAL_NEVER (0 << 4) +#define RF_MCSM0_FS_AUTOCAL_FROM_IDLE (1 << 4) +#define RF_MCSM0_FS_AUTOCAL_TO_IDLE (2 << 4) +#define RF_MCSM0_FS_AUTOCAL_TO_IDLE_EVERY_4 (3 << 4) +#define RF_MCSM0_MAGIC_3 (1 << 3) +#define RF_MCSM0_MAGIC_2 (1 << 2) +#define RF_MCSM0_CLOSE_IN_RX_0DB (0 << 0) +#define RF_MCSM0_CLOSE_IN_RX_6DB (1 << 0) +#define RF_MCSM0_CLOSE_IN_RX_12DB (2 << 0) +#define RF_MCSM0_CLOSE_IN_RX_18DB (3 << 0) __xdata __at (0xdf15) uint8_t RF_FOCCFG; #define RF_FOCCFG_OFF 0x15 +#define RF_FOCCFG_FOC_BS_CS_GATE (1 << 5) +#define RF_FOCCFG_FOC_PRE_K_1K (0 << 3) +#define RF_FOCCFG_FOC_PRE_K_2K (1 << 3) +#define RF_FOCCFG_FOC_PRE_K_3K (2 << 3) +#define RF_FOCCFG_FOC_PRE_K_4K (3 << 3) +#define RF_FOCCFG_FOC_POST_K_PRE_K (0 << 2) +#define RF_FOCCFG_FOC_POST_K_PRE_K_OVER_2 (1 << 2) +#define RF_FOCCFG_FOC_LIMIT_0 (0 << 0) +#define RF_FOCCFG_FOC_LIMIT_BW_OVER_8 (1 << 0) +#define RF_FOCCFG_FOC_LIMIT_BW_OVER_4 (2 << 0) +#define RF_FOCCFG_FOC_LIMIT_BW_OVER_2 (3 << 0) __xdata __at (0xdf16) uint8_t RF_BSCFG; #define RF_BSCFG_OFF 0x16 +#define RF_BSCFG_BS_PRE_K_1K (0 << 6) +#define RF_BSCFG_BS_PRE_K_2K (1 << 6) +#define RF_BSCFG_BS_PRE_K_3K (2 << 6) +#define RF_BSCFG_BS_PRE_K_4K (3 << 6) +#define RF_BSCFG_BS_PRE_KP_1KP (0 << 4) +#define RF_BSCFG_BS_PRE_KP_2KP (1 << 4) +#define RF_BSCFG_BS_PRE_KP_3KP (2 << 4) +#define RF_BSCFG_BS_PRE_KP_4KP (3 << 4) +#define RF_BSCFG_BS_POST_KI_PRE_KI (0 << 3) +#define RF_BSCFG_BS_POST_KI_PRE_KI_OVER_2 (1 << 3) +#define RF_BSCFG_BS_POST_KP_PRE_KP (0 << 2) +#define RF_BSCFG_BS_POST_KP_PRE_KP_OVER_2 (1 << 2) +#define RF_BSCFG_BS_LIMIT_0 (0 << 0) +#define RF_BSCFG_BS_LIMIT_3_125 (1 << 0) +#define RF_BSCFG_BS_LIMIT_6_25 (2 << 0) +#define RF_BSCFG_BS_LIMIT_12_5 (3 << 0) __xdata __at (0xdf17) uint8_t RF_AGCCTRL2; #define RF_AGCCTRL2_OFF 0x17 @@ -332,213 +419,10 @@ __xdata __at (0xdf3c) uint8_t RF_PKTSTATUS; __xdata __at (0xdf3d) uint8_t RF_VCO_VC_DAC; #define RF_VCO_VC_DAC_OFF 0x3d -#define nop() _asm nop _endasm; - -void -delay (unsigned char n) -{ - unsigned char i = 0; - - n <<= 1; - while (--n != 0) - while (--i != 0) - nop(); -} - -void -tone (unsigned char n, unsigned char m) -{ - unsigned char i = 0; - while (--m != 0) { - i = 128; - while (--i != 0) { - P2 = 0xff; - delay(n); - P2 = 0xfe; - delay(n); - } - } -} - -void -high() { - tone(1, 2); -} +#define PACKET_LEN 128 void -low() { - tone(2, 1); -} - -/* Values from SmartRF® Studio for: - * - * Deviation: 20.507812 kHz - * Datarate: 38.360596 kBaud - * Modulation: GFSK - * RF Freq: 434.549927 MHz - * Channel: 99.975586 kHz - * Channel: 0 - * RX filter: 93.75 kHz - */ - -/* - * For 434.550MHz, the frequency value is: - * - * 434.550e6 / (24e6 / 2**16) = 1186611.2 - */ - -#define FREQ_CONTROL 1186611 - -/* - * For IF freq of 140.62kHz, the IF value is: - * - * 140.62e3 / (24e6 / 2**10) = 6 - */ - -#define IF_FREQ_CONTROL 6 - -/* - * For channel bandwidth of 93.75 kHz, the CHANBW_E and CHANBW_M values are - * - * BW = 24e6 / (8 * (4 + M) * 2 ** E) - * - * So, M = 0 and E = 3 - */ - -#define CHANBW_M 0 -#define CHANBW_E 3 - -/* - * For a symbol rate of 38360kBaud, the DRATE_E and DRATE_M values are: - * - * R = (256 + M) * 2** E * 24e6 / 2**28 - * - * So M is 163 and E is 10 - */ - -#define DRATE_E 10 -#define DRATE_M 163 - -#define PACKET_LEN 255 - -/* This are from the table for 433MHz */ - -#define RF_POWER_M30_DBM 0x12 -#define RF_POWER_M20_DBM 0x0e -#define RF_POWER_M15_DBM 0x1d -#define RF_POWER_M10_DBM 0x34 -#define RF_POWER_M5_DBM 0x2c -#define RF_POWER_0_DBM 0x60 -#define RF_POWER_5_DBM 0x84 -#define RF_POWER_7_DBM 0xc8 -#define RF_POWER_10_DBM 0xc0 - -#define RF_POWER RF_POWER_0_DBM - -static __code uint8_t radio_setup[] = { - RF_PA_TABLE7_OFF, RF_POWER, - RF_PA_TABLE6_OFF, RF_POWER, - RF_PA_TABLE5_OFF, RF_POWER, - RF_PA_TABLE4_OFF, RF_POWER, - RF_PA_TABLE3_OFF, RF_POWER, - RF_PA_TABLE2_OFF, RF_POWER, - RF_PA_TABLE1_OFF, RF_POWER, - RF_PA_TABLE0_OFF, RF_POWER, - - RF_FREQ2_OFF, FREQ_CONTROL >> 16, - RF_FREQ1_OFF, FREQ_CONTROL >> 8, - RF_FREQ0_OFF, FREQ_CONTROL >> 0, - - RF_FSCTRL1_OFF, (IF_FREQ_CONTROL << RF_FSCTRL1_FREQ_IF_SHIFT), - RF_FSCTRL0_OFF, (0 << RF_FSCTRL0_FREQOFF_SHIFT), - - RF_MDMCFG4_OFF, ((CHANBW_E << RF_MDMCFG4_CHANBW_E_SHIFT) | - (CHANBW_M << RF_MDMCFG4_CHANBW_M_SHIFT) | - (DRATE_E << RF_MDMCFG4_DRATE_E_SHIFT)), - RF_MDMCFG3_OFF, (DRATE_M << RF_MDMCFG3_DRATE_M_SHIFT), - RF_MDMCFG2_OFF, (RF_MDMCFG2_DEM_DCFILT_OFF | - RF_MDMCFG2_MOD_FORMAT_GFSK | - RF_MDMCFG2_SYNC_MODE_NONE), - RF_MDMCFG1_OFF, (RF_MDMCFG1_NUM_PREAMBLE_4 | - (2 << RF_MDMCFG1_CHANSPC_E_SHIFT)), - RF_MDMCFG0_OFF, (17 << RF_MDMCFG0_CHANSPC_M_SHIFT), - - RF_CHANNR_OFF, 0, - - RF_DEVIATN_OFF, ((3 << RF_DEVIATN_DEVIATION_E_SHIFT) | - (6 << RF_DEVIATN_DEVIATION_M_SHIFT)), - - /* SmartRF says set LODIV_BUF_CURRENT_TX to 0 - * And, we're not using power ramping, so use PA_POWER 0 - */ - RF_FREND0_OFF, ((1 << RF_FREND0_LODIV_BUF_CURRENT_TX_SHIFT) | - (0 << RF_FREND0_PA_POWER_SHIFT)), - - RF_FREND1_OFF, ((1 << RF_FREND1_LNA_CURRENT_SHIFT) | - (1 << RF_FREND1_LNA2MIX_CURRENT_SHIFT) | - (1 << RF_FREND1_LODIV_BUF_CURRENT_RX_SHIFT) | - (2 << RF_FREND1_MIX_CURRENT_SHIFT)), - RF_MCSM0_OFF, 0x18, - RF_FOCCFG_OFF, 0x16, - RF_BSCFG_OFF, 0x6C, - - RF_AGCCTRL2_OFF, 0x43, - RF_AGCCTRL1_OFF, 0x40, - RF_AGCCTRL0_OFF, 0x91, - - RF_FSCAL3_OFF, 0xE9, - RF_FSCAL2_OFF, 0x0A, - RF_FSCAL1_OFF, 0x00, - RF_FSCAL0_OFF, 0x1F, - - RF_TEST2_OFF, 0x88, - RF_TEST1_OFF, 0x31, - RF_TEST0_OFF, 0x09, - - /* default sync values */ - RF_SYNC1_OFF, 0xD3, - RF_SYNC0_OFF, 0x91, - - /* max packet length */ - RF_PKTLEN_OFF, PACKET_LEN, - - RF_PKTCTRL1_OFF, 0x04, - RF_PKTCTRL0_OFF, 0x00, - RF_ADDR_OFF, 0x00, - RF_MCSM2_OFF, 0x07, - RF_MCSM1_OFF, 0x30, - - RF_IOCFG2_OFF, 0x00, - RF_IOCFG1_OFF, 0x00, - RF_IOCFG0_OFF, 0x00, -}; +radio_init(void); void -radio_init() { - uint8_t i; - for (i = 0; i < sizeof (radio_setup); i += 2) - RF[radio_setup[i]] = radio_setup[i+1]; -} - -main () -{ - CLKCON = 0; - while (!(SLEEP & SLEEP_XOSC_STB)) - ; - /* Set P2_0 to output */ - radio_init (); - delay(100); - - for (;;) { - uint8_t i; - RFST = RFST_SIDLE; - delay(100); - RFST = RFST_STX; - for (i = 0; i < PACKET_LEN - 1; i++) { - while (!RFTXRXIF); - RFTXRXIF = 0; - RFD = 0x55; - } - delay(100); - } -} +delay (unsigned char n); diff --git a/target/radio/recv.c b/target/radio/recv.c new file mode 100644 index 00000000..17a3d178 --- /dev/null +++ b/target/radio/recv.c @@ -0,0 +1,66 @@ +/* + * Copyright © 2008 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "radio.h" + +main () +{ + static uint8_t packet[PACKET_LEN + 2]; + CLKCON = 0; + while (!(SLEEP & SLEEP_XOSC_STB)) + ; + /* Set P2_0 to output */ + P1 = 0; + P1DIR = 0x02; + radio_init (); + delay(100); + + for (;;) { + uint8_t i; + RFST = RFST_SIDLE; + RFIF = 0; + delay(100); + RFST = RFST_SRX; +// while (!(RFIF & RFIF_IM_CS)); +// P1 = 2; + for (i = 0; i < PACKET_LEN + 2; i++) { + while (!RFTXRXIF) + ; + P1=2; + RFTXRXIF = 0; + packet[i] = RFD; + } + P1 = 0; + + /* check packet contents */ + for (i = 0; i < PACKET_LEN; i++) + if (packet[i] != i) + break; + + /* get excited if the packet came through correctly */ + if (i == PACKET_LEN) { + for (i = 0; i < 3; i++){ + P1 = 2; + delay(100); + P1 = 0; + delay(100); + } + } + delay(100); + } +} diff --git a/target/radio/xmit.c b/target/radio/xmit.c new file mode 100644 index 00000000..e80a0f8b --- /dev/null +++ b/target/radio/xmit.c @@ -0,0 +1,47 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "radio.h" + +main () +{ + int16_t j; + CLKCON = 0; + while (!(SLEEP & SLEEP_XOSC_STB)) + ; + P1 = 0; + P1DIR = 3; + radio_init (); + delay(100); + + for (;;) { + uint8_t i; + + for (j = 0; j < 100; j++) + delay(100); + P1 = 2; + RFST = RFST_SIDLE; + delay(1); + RFST = RFST_STX; + for (i = 0; i < PACKET_LEN; i++) { + while (!RFTXRXIF); + RFTXRXIF = 0; + RFD = i; + } + P1 = 0; + } +} |