diff options
Diffstat (limited to 'target/radio')
| -rw-r--r-- | target/radio/Makefile | 52 | ||||
| -rw-r--r-- | target/radio/init.c | 207 | ||||
| -rw-r--r-- | target/radio/radio.h | 435 | ||||
| -rw-r--r-- | target/radio/recv.c | 68 | ||||
| -rw-r--r-- | target/radio/xmit.c | 47 |
5 files changed, 809 insertions, 0 deletions
diff --git a/target/radio/Makefile b/target/radio/Makefile new file mode 100644 index 00000000..97706fef --- /dev/null +++ b/target/radio/Makefile @@ -0,0 +1,52 @@ +CC=sdcc +NO_OPT=--nogcse --noinvariant --noinduction --nojtbound --noloopreverse \ + --nolabelopt --nooverlay --peep-asm +DEBUG=--debug + +CFLAGS=--model-large $(DEBUG) --less-pedantic \ + --no-peep --int-long-reent --float-reent \ + --data-loc 0x30 + +LDFLAGS=--out-fmt-ihx +LDFLAGS_RAM=$(LDFLAGS) --code-loc 0xf000 --xram-loc 0xf400 --xram-size 1024 + +LDFLAGS_FLASH=$(LDFLAGS) --code-loc 0x0000 --xram-loc 0xf000 --xram-size 1024 + +SRC=xmit.c recv.c init.c +ADB=$(SRC:.c=.adb) +ASM=$(SRC:.c=.asm) +LNK=$(SRC:.c=.lnk) +LST=$(SRC:.c=.lst) +REL=$(SRC:.c=.rel) +RST=$(SRC:.c=.rst) +SYM=$(SRC:.c=.sym) + +PROGS=xmit-flash.ihx xmit-ram.ihx recv-flash.ihx recv-ram.ihx +PCDB=$(PROGS:.ihx=.cdb) +PLNK=$(PROGS:.ihx=.lnk) +PMAP=$(PROGS:.ihx=.map) +PMEM=$(PROGS:.ihx=.mem) +PAOM=$(PROGS:.ihx=) + +%.rel : %.c + $(CC) -c $(CFLAGS) -o$*.rel $< + +all: $(PROGS) + +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 + +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) + rm -f $(PROGS) $(PCDB) $(PLNK) $(PMAP) $(PMEM) $(PAOM) + +install: diff --git a/target/radio/init.c b/target/radio/init.c new file mode 100644 index 00000000..ea7c984c --- /dev/null +++ b/target/radio/init.c @@ -0,0 +1,207 @@ +/* + * 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_EN | + 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_WHITE_DATA| + RF_PKTCTRL0_PKT_FORMAT_NORMAL| + RF_PKTCTRL0_CRC_EN| + 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.h b/target/radio/radio.h new file mode 100644 index 00000000..f68001e4 --- /dev/null +++ b/target/radio/radio.h @@ -0,0 +1,435 @@ +/* + * 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 <stdint.h> + +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; + +sfr at 0xF1 PERCFG; +sfr at 0xF2 ADCCFG; +sfr at 0xF3 P0SEL; +sfr at 0xF4 P1SEL; +sfr at 0xF5 P2SEL; + +sfr at 0xFD P0DIR; +sfr at 0xFE P1DIR; +sfr at 0xFF P2DIR; +sfr at 0x8F P0INP; +sfr at 0xF6 P1INP; +sfr at 0xF7 P2INP; + +sfr at 0x89 P0IFG; +sfr at 0x8A P1IFG; +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; + +sfr at 0xbe SLEEP; + +# define SLEEP_USB_EN (1 << 7) +# define SLEEP_XOSC_STB (1 << 6) + +sbit at 0x89 RFTXRXIF; + +#define TCON_RFTXRXIF (1 << 1) + +#define RFST_SFSTXON 0x00 +#define RFST_SCAL 0x01 +#define RFST_SRX 0x02 +#define RFST_STX 0x03 +#define RFST_SIDLE 0x04 + +__xdata __at (0xdf00) uint8_t RF[0x3c]; + +__xdata __at (0xdf2f) uint8_t RF_IOCFG2; +#define RF_IOCFG2_OFF 0x2f + +__xdata __at (0xdf30) uint8_t RF_IOCFG1; +#define RF_IOCFG1_OFF 0x30 + +__xdata __at (0xdf31) uint8_t RF_IOCFG0; +#define RF_IOCFG0_OFF 0x31 + +__xdata __at (0xdf00) uint8_t RF_SYNC1; +#define RF_SYNC1_OFF 0x00 + +__xdata __at (0xdf01) uint8_t RF_SYNC0; +#define RF_SYNC0_OFF 0x01 + +__xdata __at (0xdf02) uint8_t RF_PKTLEN; +#define RF_PKTLEN_OFF 0x02 + +__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) + +/* If APPEND_STATUS is used, two bytes will be added to the packet data */ +#define PKT_APPEND_STATUS_0_RSSI_MASK (0xff) +#define PKT_APPEND_STATUS_0_RSSI_SHIFT 0 +#define PKT_APPEND_STATUS_1_CRC_OK (1 << 7) +#define PKT_APPEND_STATUS_1_LQI_MASK (0x7f) +#define PKT_APPEND_STATUS_1_LQI_SHIFT 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 + +__xdata __at (0xdf06) uint8_t RF_CHANNR; +#define RF_CHANNR_OFF 0x06 + +__xdata __at (0xdf07) uint8_t RF_FSCTRL1; +#define RF_FSCTRL1_OFF 0x07 + +#define RF_FSCTRL1_FREQ_IF_SHIFT (0) + +__xdata __at (0xdf08) uint8_t RF_FSCTRL0; +#define RF_FSCTRL0_OFF 0x08 + +#define RF_FSCTRL0_FREQOFF_SHIFT (0) + +__xdata __at (0xdf09) uint8_t RF_FREQ2; +#define RF_FREQ2_OFF 0x09 + +__xdata __at (0xdf0a) uint8_t RF_FREQ1; +#define RF_FREQ1_OFF 0x0a + +__xdata __at (0xdf0b) uint8_t RF_FREQ0; +#define RF_FREQ0_OFF 0x0b + +__xdata __at (0xdf0c) uint8_t RF_MDMCFG4; +#define RF_MDMCFG4_OFF 0x0c + +#define RF_MDMCFG4_CHANBW_E_SHIFT 6 +#define RF_MDMCFG4_CHANBW_M_SHIFT 4 +#define RF_MDMCFG4_DRATE_E_SHIFT 0 + +__xdata __at (0xdf0d) uint8_t RF_MDMCFG3; +#define RF_MDMCFG3_OFF 0x0d + +#define RF_MDMCFG3_DRATE_M_SHIFT 0 + +__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) +#define RF_MDMCFG2_MOD_FORMAT_GFSK (1 << 4) +#define RF_MDMCFG2_MOD_FORMAT_ASK_OOK (3 << 4) +#define RF_MDMCFG2_MOD_FORMAT_MSK (7 << 4) + +#define RF_MDMCFG2_MANCHESTER_EN (1 << 3) + +#define RF_MDMCFG2_SYNC_MODE_MASK (0x7 << 0) +#define RF_MDMCFG2_SYNC_MODE_NONE (0x0 << 0) +#define RF_MDMCFG2_SYNC_MODE_15_16 (0x1 << 0) +#define RF_MDMCFG2_SYNC_MODE_16_16 (0x2 << 0) +#define RF_MDMCFG2_SYNC_MODE_30_32 (0x3 << 0) +#define RF_MDMCFG2_SYNC_MODE_NONE_THRES (0x4 << 0) +#define RF_MDMCFG2_SYNC_MODE_15_16_THRES (0x5 << 0) +#define RF_MDMCFG2_SYNC_MODE_16_16_THRES (0x6 << 0) +#define RF_MDMCFG2_SYNC_MODE_30_32_THRES (0x7 << 0) + +__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) +#define RF_MDMCFG1_NUM_PREAMBLE_3 (1 << 4) +#define RF_MDMCFG1_NUM_PREAMBLE_4 (2 << 4) +#define RF_MDMCFG1_NUM_PREAMBLE_6 (3 << 4) +#define RF_MDMCFG1_NUM_PREAMBLE_8 (4 << 4) +#define RF_MDMCFG1_NUM_PREAMBLE_12 (5 << 4) +#define RF_MDMCFG1_NUM_PREAMBLE_16 (6 << 4) +#define RF_MDMCFG1_NUM_PREAMBLE_24 (7 << 4) + +#define RF_MDMCFG1_CHANSPC_E_MASK (3 << 0) +#define RF_MDMCFG1_CHANSPC_E_SHIFT (0) + +__xdata __at (0xdf10) uint8_t RF_MDMCFG0; +#define RF_MDMCFG0_OFF 0x10 + +#define RF_MDMCFG0_CHANSPC_M_SHIFT (0) + +__xdata __at (0xdf11) uint8_t RF_DEVIATN; +#define RF_DEVIATN_OFF 0x11 + +#define RF_DEVIATN_DEVIATION_E_SHIFT 4 +#define RF_DEVIATN_DEVIATION_M_SHIFT 0 + +__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 + +__xdata __at (0xdf18) uint8_t RF_AGCCTRL1; +#define RF_AGCCTRL1_OFF 0x18 + +__xdata __at (0xdf19) uint8_t RF_AGCCTRL0; +#define RF_AGCCTRL0_OFF 0x19 + +__xdata __at (0xdf1a) uint8_t RF_FREND1; +#define RF_FREND1_OFF 0x1a + +#define RF_FREND1_LNA_CURRENT_SHIFT 6 +#define RF_FREND1_LNA2MIX_CURRENT_SHIFT 4 +#define RF_FREND1_LODIV_BUF_CURRENT_RX_SHIFT 2 +#define RF_FREND1_MIX_CURRENT_SHIFT 0 + +__xdata __at (0xdf1b) uint8_t RF_FREND0; +#define RF_FREND0_OFF 0x1b + +#define RF_FREND0_LODIV_BUF_CURRENT_TX_MASK (0x3 << 4) +#define RF_FREND0_LODIV_BUF_CURRENT_TX_SHIFT 4 +#define RF_FREND0_PA_POWER_MASK (0x7) +#define RF_FREND0_PA_POWER_SHIFT 0 + +__xdata __at (0xdf1c) uint8_t RF_FSCAL3; +#define RF_FSCAL3_OFF 0x1c + +__xdata __at (0xdf1d) uint8_t RF_FSCAL2; +#define RF_FSCAL2_OFF 0x1d + +__xdata __at (0xdf1e) uint8_t RF_FSCAL1; +#define RF_FSCAL1_OFF 0x1e + +__xdata __at (0xdf1f) uint8_t RF_FSCAL0; +#define RF_FSCAL0_OFF 0x1f + +__xdata __at (0xdf23) uint8_t RF_TEST2; +#define RF_TEST2_OFF 0x23 + +#define RF_TEST2_NORMAL_MAGIC 0x88 +#define RF_TEST2_RX_LOW_DATA_RATE_MAGIC 0x81 + +__xdata __at (0xdf24) uint8_t RF_TEST1; +#define RF_TEST1_OFF 0x24 + +#define RF_TEST1_TX_MAGIC 0x31 +#define RF_TEST1_RX_LOW_DATA_RATE_MAGIC 0x35 + +__xdata __at (0xdf25) uint8_t RF_TEST0; +#define RF_TEST0_OFF 0x25 + +#define RF_TEST0_7_2_MASK (0xfc) +#define RF_TEST0_VCO_SEL_CAL_EN (1 << 1) +#define RF_TEST0_0_MASK (1) + +/* These are undocumented, and must be computed + * using the provided tool. + */ +__xdata __at (0xdf27) uint8_t RF_PA_TABLE7; +#define RF_PA_TABLE7_OFF 0x27 + +__xdata __at (0xdf28) uint8_t RF_PA_TABLE6; +#define RF_PA_TABLE6_OFF 0x28 + +__xdata __at (0xdf29) uint8_t RF_PA_TABLE5; +#define RF_PA_TABLE5_OFF 0x29 + +__xdata __at (0xdf2a) uint8_t RF_PA_TABLE4; +#define RF_PA_TABLE4_OFF 0x2a + +__xdata __at (0xdf2b) uint8_t RF_PA_TABLE3; +#define RF_PA_TABLE3_OFF 0x2b + +__xdata __at (0xdf2c) uint8_t RF_PA_TABLE2; +#define RF_PA_TABLE2_OFF 0x2c + +__xdata __at (0xdf2d) uint8_t RF_PA_TABLE1; +#define RF_PA_TABLE1_OFF 0x2d + +__xdata __at (0xdf2e) uint8_t RF_PA_TABLE0; +#define RF_PA_TABLE0_OFF 0x2e + +__xdata __at (0xdf36) uint8_t RF_PARTNUM; +#define RF_PARTNUM_OFF 0x36 + +__xdata __at (0xdf37) uint8_t RF_VERSION; +#define RF_VERSION_OFF 0x37 + +__xdata __at (0xdf38) uint8_t RF_FREQEST; +#define RF_FREQEST_OFF 0x38 + +__xdata __at (0xdf39) uint8_t RF_LQI; +#define RF_LQI_OFF 0x39 + +#define RF_LQI_CRC_OK (1 << 7) +#define RF_LQI_LQI_EST_MASK (0x7f) + +__xdata __at (0xdf3a) uint8_t RF_RSSI; +#define RF_RSSI_OFF 0x3a + +__xdata __at (0xdf3b) uint8_t RF_MARCSTATE; +#define RF_MARCSTATE_OFF 0x3b + +#define RF_MARCSTATE_MASK 0x0f +#define RF_MARCSTATE_SLEEP 0x00 +#define RF_MARCSTATE_IDLE 0x01 +#define RF_MARCSTATE_VCOON_MC 0x03 +#define RF_MARCSTATE_REGON_MC 0x04 +#define RF_MARCSTATE_MANCAL 0x05 +#define RF_MARCSTATE_VCOON 0x06 +#define RF_MARCSTATE_REGON 0x07 +#define RF_MARCSTATE_STARTCAL 0x08 +#define RF_MARCSTATE_BWBOOST 0x09 +#define RF_MARCSTATE_FS_LOCK 0x0a +#define RF_MARCSTATE_IFADCON 0x0b +#define RF_MARCSTATE_ENDCAL 0x0c +#define RF_MARCSTATE_RX 0x0d +#define RF_MARCSTATE_RX_END 0x0e +#define RF_MARCSTATE_RX_RST 0x0f +#define RF_MARCSTATE_TXRX_SWITCH 0x10 +#define RF_MARCSTATE_RX_OVERFLOW 0x11 +#define RF_MARCSTATE_FSTXON 0x12 +#define RF_MARCSTATE_TX 0x13 +#define RF_MARCSTATE_TX_END 0x14 +#define RF_MARCSTATE_RXTX_SWITCH 0x15 +#define RF_MARCSTATE_TX_UNDERFLOW 0x16 + + +__xdata __at (0xdf3c) uint8_t RF_PKTSTATUS; +#define RF_PKTSTATUS_OFF 0x3c + +#define RF_PKTSTATUS_CRC_OK (1 << 7) +#define RF_PKTSTATUS_CS (1 << 6) +#define RF_PKTSTATUS_PQT_REACHED (1 << 5) +#define RF_PKTSTATUS_CCA (1 << 4) +#define RF_PKTSTATUS_SFD (1 << 3) + +__xdata __at (0xdf3d) uint8_t RF_VCO_VC_DAC; +#define RF_VCO_VC_DAC_OFF 0x3d + +#define PACKET_LEN 128 + +void +radio_init(void); + +void +delay (unsigned char n); diff --git a/target/radio/recv.c b/target/radio/recv.c new file mode 100644 index 00000000..c50c3205 --- /dev/null +++ b/target/radio/recv.c @@ -0,0 +1,68 @@ +/* + * 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 && + packet[PACKET_LEN+1] & PKT_APPEND_STATUS_1_CRC_OK) + { + for (i = 0; i < 5; 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; + } +} |