-/*
- * 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;
-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;
-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
-
-__xdata __at (0xdf04) uint8_t RF_PKTCTRL0;
-#define RF_PKTCTRL0_OFF 0x04
-
-__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_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_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
-
-__xdata __at (0xdf13) uint8_t RF_MCSM1;
-#define RF_MCSM1_OFF 0x13
-
-__xdata __at (0xdf14) uint8_t RF_MCSM0;
-#define RF_MCSM0_OFF 0x14
-
-__xdata __at (0xdf15) uint8_t RF_FOCCFG;
-#define RF_FOCCFG_OFF 0x15
-
-__xdata __at (0xdf16) uint8_t RF_BSCFG;
-#define RF_BSCFG_OFF 0x16
-
-__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 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);
-}
-
-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,
-};
-
-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);
- }
-}
projects / fw / altos / blobdiff