Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos
[fw/altos] / src / cc1111 / ao_radio.c
diff --git a/src/cc1111/ao_radio.c b/src/cc1111/ao_radio.c
deleted file mode 100644 (file)
index 166d14d..0000000
+++ /dev/null
@@ -1,689 +0,0 @@
-/*
- * 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; 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 "ao.h"
-#if HAS_PAD
-#include <ao_pad.h>
-#endif
-
-/* 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 IF freq of 140.62kHz, the IF value is:
- *
- * 140.62e3 / (24e6 / 2**10) = 6
- */
-
-#define IF_FREQ_CONTROL        6
-
-/*
- *  http://www.ntia.doc.gov/files/ntia/publications/84-168.pdf
- *
- * Necessary bandwidth for a FSK modulated signal:
- *
- *     bw = 2.6d + 0.55b       1.5 < m < 5.5
- *     bw = 2.1d + 1.9b        5.5 < m < 20
- *
- *     b is the modulation rate in bps
- *     d is the peak deviation (from the center)
- *
- *     m = 2d / b
- *
- * 20.5 kHz deviation 38.4kbps signal:
- *
- *     m = 41 / 38.4, which is < 5.5:
- *
- *     bw = 2.6 * 20.5 + 0.55 * 38.4 = 74.42kHz
- *
- *     M = 1, E = 3, bw = 75kHz
- *
- * 5.125 kHz deviation, 9.6kbps signal
- *
- *     m = 10.25 / 9.6, which is < 5.5:
- *
- *     bw = 2.6 * 5.125 + 0.55 * 9.6 = 18.6kHz
- *
- *     M = 2, E = 3, bw = 53.6kHz
- *
- * 1.28125kHz deviation, 2.4kbps signal
- *
- *     m = 2.565 / 2.4, which is < 5.5:
- *
- *     bw = 2.6 * 20.5 + 1.9 * 2.4 = 47.61kHz
- *
- *     M = 3, E = 3, bw = 53.6kHz
- *
- * 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_384   1
-#define CHANBW_M_96    3
-#define CHANBW_M_24    3
-#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 for 38360kBaud, M is 163 and E is 10
- */
-
-#define DRATE_M                163
-
-#define DRATE_E_384    10
-
-/* For 9600 baud, M is 163 and E is 8
- */
-
-#define DRATE_E_96     8
-
-/* For 2400 baud, M is 163 and E is 6
- */
-
-#define DRATE_E_24     6
-
-/*
- * 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
- *
- * For 20.5kHz deviation, M is 6 and E is 3
- * For 5.125kHz deviation, M is 6 and E is 1
- * For 1.28125kHz deviation, M is 0 and E is 0
- */
-
-#define DEVIATION_M_384        6
-#define DEVIATION_E_384        3
-
-#define DEVIATION_M_96 6
-#define DEVIATION_E_96 1
-
-#define DEVIATION_M_24 0
-#define DEVIATION_E_24 0
-
-/*
- * For our RDF beacon, set the symbol rate to 2kBaud (for a 1kHz tone),
- * so the DRATE_E and DRATE_M values are:
- *
- * M is 94 and E is 6
- *
- * To make the tone last for 200ms, we need 2000 * .2 = 400 bits or 50 bytes
- */
-
-#define RDF_DRATE_E    6
-#define RDF_DRATE_M    94
-#define RDF_PACKET_LEN 50
-
-/*
- * RDF deviation should match the normal NFM value of 5kHz
- *
- * M is 6 and E is 1
- *
- */
-
-#define RDF_DEVIATION_M        6
-#define RDF_DEVIATION_E        1
-
-/* 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_10_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_FSCTRL1_OFF,         (IF_FREQ_CONTROL << RF_FSCTRL1_FREQ_IF_SHIFT),
-       RF_FSCTRL0_OFF,         (0 << RF_FSCTRL0_FREQOFF_SHIFT),
-
-       RF_MDMCFG3_OFF,         (DRATE_M << RF_MDMCFG3_DRATE_M_SHIFT),
-       RF_MDMCFG2_OFF,         (RF_MDMCFG2_DEM_DCFILT_ON |
-                                RF_MDMCFG2_MOD_FORMAT_GFSK |
-                                RF_MDMCFG2_SYNC_MODE_15_16),
-       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,
-
-       /* 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,           RF_TEST2_RX_LOW_DATA_RATE_MAGIC,
-       RF_TEST1_OFF,           RF_TEST1_RX_LOW_DATA_RATE_MAGIC,
-       RF_TEST0_OFF,           0x09,
-
-       /* default sync values */
-       RF_SYNC1_OFF,           0xD3,
-       RF_SYNC0_OFF,           0x91,
-
-       /* max packet length */
-       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_0DB),
-       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,        (RF_AGCCTRL2_MAX_DVGA_GAIN_ALL|
-                                RF_AGCCTRL2_MAX_LNA_GAIN_0|
-                                RF_AGCCTRL2_MAGN_TARGET_33dB),
-       RF_AGCCTRL1_OFF,        (RF_AGCCTRL1_AGC_LNA_PRIORITY_0 |
-                                RF_AGCCTRL1_CARRIER_SENSE_REL_THR_DISABLE |
-                                RF_AGCCTRL1_CARRIER_SENSE_ABS_THR_0DB),
-       RF_AGCCTRL0_OFF,        (RF_AGCCTRL0_HYST_LEVEL_NONE |
-                                RF_AGCCTRL0_WAIT_TIME_8 |
-                                RF_AGCCTRL0_AGC_FREEZE_NORMAL |
-                                RF_AGCCTRL0_FILTER_LENGTH_8),
-       RF_IOCFG2_OFF,          0x00,
-       RF_IOCFG1_OFF,          0x00,
-       RF_IOCFG0_OFF,          0x00,
-};
-
-static __code uint8_t rdf_setup[] = {
-       RF_MDMCFG4_OFF,         ((CHANBW_E << RF_MDMCFG4_CHANBW_E_SHIFT) |
-                                (CHANBW_M_384 << RF_MDMCFG4_CHANBW_M_SHIFT) |
-                                (RDF_DRATE_E << RF_MDMCFG4_DRATE_E_SHIFT)),
-       RF_MDMCFG3_OFF,         (RDF_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_FEC_DIS |
-                                RF_MDMCFG1_NUM_PREAMBLE_2 |
-                                (2 << RF_MDMCFG1_CHANSPC_E_SHIFT)),
-
-       RF_DEVIATN_OFF,         ((RDF_DEVIATION_E << RF_DEVIATN_DEVIATION_E_SHIFT) |
-                                (RDF_DEVIATION_M << RF_DEVIATN_DEVIATION_M_SHIFT)),
-
-       /* packet length is set in-line */
-       RF_PKTCTRL1_OFF,        ((0 << PKTCTRL1_PQT_SHIFT)|
-                                PKTCTRL1_ADR_CHK_NONE),
-       RF_PKTCTRL0_OFF,        (RF_PKTCTRL0_PKT_FORMAT_NORMAL|
-                                RF_PKTCTRL0_LENGTH_CONFIG_FIXED),
-};
-
-static __code uint8_t fixed_pkt_setup[] = {
-#if !HAS_RADIO_RATE
-       RF_MDMCFG4_OFF,         ((CHANBW_E << RF_MDMCFG4_CHANBW_E_SHIFT) |
-                                (CHANBW_M_384 << RF_MDMCFG4_CHANBW_M_SHIFT) |
-                                (DRATE_E_384 << RF_MDMCFG4_DRATE_E_SHIFT)),
-#endif
-       RF_MDMCFG3_OFF,         (DRATE_M << RF_MDMCFG3_DRATE_M_SHIFT),
-       RF_MDMCFG2_OFF,         (RF_MDMCFG2_DEM_DCFILT_ON |
-                                RF_MDMCFG2_MOD_FORMAT_GFSK |
-                                RF_MDMCFG2_SYNC_MODE_15_16),
-       RF_MDMCFG1_OFF,         (RF_MDMCFG1_FEC_EN |
-                                RF_MDMCFG1_NUM_PREAMBLE_4 |
-                                (2 << RF_MDMCFG1_CHANSPC_E_SHIFT)),
-
-#if !HAS_RADIO_RATE
-       RF_DEVIATN_OFF,         ((DEVIATION_E_384 << RF_DEVIATN_DEVIATION_E_SHIFT) |
-                                (DEVIATION_M_384 << RF_DEVIATN_DEVIATION_M_SHIFT)),
-#endif
-
-       /* max packet length -- now set inline */
-       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),
-};
-
-#if HAS_RADIO_RATE
-static __code struct {
-       uint8_t         mdmcfg4;
-       uint8_t         deviatn;
-} packet_rate_setup[] = {
-       /* 38400 */
-       {
-               ((CHANBW_E << RF_MDMCFG4_CHANBW_E_SHIFT) |
-                (CHANBW_M_384 << RF_MDMCFG4_CHANBW_M_SHIFT) |
-                (DRATE_E_384 << RF_MDMCFG4_DRATE_E_SHIFT)),
-               ((DEVIATION_E_384 << RF_DEVIATN_DEVIATION_E_SHIFT) |
-                (DEVIATION_M_384 << RF_DEVIATN_DEVIATION_M_SHIFT)),
-       },
-       /* 9600 */
-       {
-               ((CHANBW_E << RF_MDMCFG4_CHANBW_E_SHIFT) |
-                (CHANBW_M_96 << RF_MDMCFG4_CHANBW_M_SHIFT) |
-                (DRATE_E_96 << RF_MDMCFG4_DRATE_E_SHIFT)),
-               ((DEVIATION_E_96 << RF_DEVIATN_DEVIATION_E_SHIFT) |
-                (DEVIATION_M_96 << RF_DEVIATN_DEVIATION_M_SHIFT)),
-       },
-       /* 2400 */
-       {
-               ((CHANBW_E << RF_MDMCFG4_CHANBW_E_SHIFT) |
-                (CHANBW_M_24 << RF_MDMCFG4_CHANBW_M_SHIFT) |
-                (DRATE_E_24 << RF_MDMCFG4_DRATE_E_SHIFT)),
-               ((DEVIATION_E_24 << RF_DEVIATN_DEVIATION_E_SHIFT) |
-                (DEVIATION_M_24 << RF_DEVIATN_DEVIATION_M_SHIFT)),
-       },
-};
-#endif
-
-__xdata uint8_t        ao_radio_dma;
-__xdata uint8_t ao_radio_dma_done;
-__xdata uint8_t ao_radio_done;
-__xdata uint8_t ao_radio_abort;
-__xdata uint8_t ao_radio_mutex;
-
-#if PACKET_HAS_MASTER || HAS_AES
-#define NEED_RADIO_RSSI 1
-#endif
-
-#ifndef NEED_RADIO_RSSI
-#define NEED_RADIO_RSSI 0
-#endif
-
-#if NEED_RADIO_RSSI
-__xdata int8_t ao_radio_rssi;
-#endif
-
-void
-ao_radio_general_isr(void) __interrupt 16
-{
-       S1CON &= ~0x03;
-       if (RFIF & RFIF_IM_TIMEOUT) {
-               ao_radio_recv_abort();
-               RFIF &= ~ RFIF_IM_TIMEOUT;
-       } else if (RFIF & RFIF_IM_DONE) {
-               ao_radio_done = 1;
-               ao_wakeup(&ao_radio_done);
-               RFIF &= ~RFIF_IM_DONE;
-       }
-}
-
-static void
-ao_radio_set_packet(void)
-{
-       uint8_t i;
-       for (i = 0; i < sizeof (fixed_pkt_setup); i += 2)
-               RF[fixed_pkt_setup[i]] = fixed_pkt_setup[i+1];
-}
-
-static void
-ao_radio_idle(void)
-{
-       if (RF_MARCSTATE != RF_MARCSTATE_IDLE)
-       {
-               do {
-                       RFST = RFST_SIDLE;
-                       ao_yield();
-               } while (RF_MARCSTATE != RF_MARCSTATE_IDLE);
-       }
-}
-
-#define ao_radio_put() ao_mutex_put(&ao_radio_mutex)
-
-static void
-ao_radio_get(uint8_t len)
-{
-       ao_config_get();
-       ao_mutex_get(&ao_radio_mutex);
-       ao_radio_idle();
-       RF_CHANNR = 0;
-       RF_FREQ2 = (uint8_t) (ao_config.radio_setting >> 16);
-       RF_FREQ1 = (uint8_t) (ao_config.radio_setting >> 8);
-       RF_FREQ0 = (uint8_t) (ao_config.radio_setting);
-       RF_PKTLEN = len;
-#if HAS_RADIO_RATE
-       RF_MDMCFG4 = packet_rate_setup[ao_config.radio_rate].mdmcfg4;
-       RF_DEVIATN = packet_rate_setup[ao_config.radio_rate].deviatn;
-#endif
-}
-
-
-void
-ao_radio_send(__xdata void *packet, uint8_t size) __reentrant
-{
-       ao_radio_get(size);
-       ao_radio_done = 0;
-       ao_dma_set_transfer(ao_radio_dma,
-                           packet,
-                           &RFDXADDR,
-                           size,
-                           DMA_CFG0_WORDSIZE_8 |
-                           DMA_CFG0_TMODE_SINGLE |
-                           DMA_CFG0_TRIGGER_RADIO,
-                           DMA_CFG1_SRCINC_1 |
-                           DMA_CFG1_DESTINC_0 |
-                           DMA_CFG1_PRIORITY_HIGH);
-       ao_dma_start(ao_radio_dma);
-       RFST = RFST_STX;
-       __critical while (!ao_radio_done)
-               ao_sleep(&ao_radio_done);
-       ao_radio_put();
-}
-
-uint8_t
-ao_radio_recv(__xdata void *packet, uint8_t size, uint8_t timeout) __reentrant
-{
-       ao_radio_abort = 0;
-       ao_radio_get(size - 2);
-       ao_dma_set_transfer(ao_radio_dma,
-                           &RFDXADDR,
-                           packet,
-                           size,
-                           DMA_CFG0_WORDSIZE_8 |
-                           DMA_CFG0_TMODE_SINGLE |
-                           DMA_CFG0_TRIGGER_RADIO,
-                           DMA_CFG1_SRCINC_0 |
-                           DMA_CFG1_DESTINC_1 |
-                           DMA_CFG1_PRIORITY_HIGH);
-       ao_dma_start(ao_radio_dma);
-       RFST = RFST_SRX;
-
-       /* Wait for DMA to be done, for the radio receive process to
-        * get aborted or for a receive timeout to fire
-        */
-       __critical while (!ao_radio_dma_done && !ao_radio_abort)
-                          if (ao_sleep_for(&ao_radio_dma_done, timeout))
-                                  break;
-
-       /* If recv was aborted, clean up by stopping the DMA engine
-        * and idling the radio
-        */
-       if (!ao_radio_dma_done) {
-               ao_dma_abort(ao_radio_dma);
-               ao_radio_idle();
-#if NEED_RADIO_RSSI
-               ao_radio_rssi = 0;
-#endif
-       }
-#if NEED_RADIO_RSSI
-       else
-               ao_radio_rssi = AO_RSSI_FROM_RADIO(((uint8_t *)packet)[size - 2]);
-#endif
-       ao_radio_put();
-       return ao_radio_dma_done;
-}
-
-/*
- * Wake up a task waiting to receive a radio packet
- * and tell them to abort the transfer
- */
-
-void
-ao_radio_recv_abort(void)
-{
-       ao_radio_abort = 1;
-       ao_wakeup(&ao_radio_dma_done);
-}
-
-__code ao_radio_rdf_value = 0x55;
-
-static void
-ao_radio_rdf_start(void)
-{
-       uint8_t i;
-       ao_radio_abort = 0;
-       ao_radio_get(AO_RADIO_RDF_LEN);
-       ao_radio_done = 0;
-       for (i = 0; i < sizeof (rdf_setup); i += 2)
-               RF[rdf_setup[i]] = rdf_setup[i+1];
-}
-
-static void
-ao_radio_rdf_run(void)
-{
-       ao_dma_start(ao_radio_dma);
-       RFST = RFST_STX;
-       __critical while (!ao_radio_done && !ao_radio_abort)
-                          ao_sleep(&ao_radio_done);
-       if (!ao_radio_done) {
-               ao_dma_abort(ao_radio_dma);
-               ao_radio_idle();
-       }
-       ao_radio_set_packet();
-       ao_radio_put();
-}
-
-void
-ao_radio_rdf(void)
-{
-       ao_radio_rdf_start();
-
-       ao_dma_set_transfer(ao_radio_dma,
-                           CODE_TO_XDATA(&ao_radio_rdf_value),
-                           &RFDXADDR,
-                           AO_RADIO_RDF_LEN,
-                           DMA_CFG0_WORDSIZE_8 |
-                           DMA_CFG0_TMODE_SINGLE |
-                           DMA_CFG0_TRIGGER_RADIO,
-                           DMA_CFG1_SRCINC_0 |
-                           DMA_CFG1_DESTINC_0 |
-                           DMA_CFG1_PRIORITY_HIGH);
-       ao_radio_rdf_run();
-}
-
-#define PA     0x00
-#define BE     0x55
-
-#define CONT_PAUSE_8   PA, PA, PA, PA, PA, PA, PA, PA
-#define CONT_PAUSE_16  CONT_PAUSE_8, CONT_PAUSE_8
-#define CONT_PAUSE_24  CONT_PAUSE_16, CONT_PAUSE_8
-
-#define CONT_BEEP_8    BE, BE, BE, BE, BE, BE, BE, BE
-
-#if AO_RADIO_CONT_PAUSE_LEN == 24
-#define CONT_PAUSE     CONT_PAUSE_24
-#endif
-
-#if AO_RADIO_CONT_TONE_LEN == 8
-#define CONT_BEEP              CONT_BEEP_8
-#define CONT_PAUSE_SHORT       CONT_PAUSE_8
-#endif
-
-#define CONT_ADDR(c)   CODE_TO_XDATA(&ao_radio_cont[(3-(c)) * (AO_RADIO_CONT_PAUSE_LEN + AO_RADIO_CONT_TONE_LEN)])
-
-__code uint8_t ao_radio_cont[] = {
-       CONT_PAUSE, CONT_BEEP,
-       CONT_PAUSE, CONT_BEEP,
-       CONT_PAUSE, CONT_BEEP,
-       CONT_PAUSE, CONT_PAUSE_SHORT,
-       CONT_PAUSE, CONT_PAUSE_SHORT,
-       CONT_PAUSE,
-};
-
-void
-ao_radio_continuity(uint8_t c)
-{
-       ao_radio_rdf_start();
-       ao_dma_set_transfer(ao_radio_dma,
-                           CONT_ADDR(c),
-                           &RFDXADDR,
-                           AO_RADIO_CONT_TOTAL_LEN,
-                           DMA_CFG0_WORDSIZE_8 |
-                           DMA_CFG0_TMODE_SINGLE |
-                           DMA_CFG0_TRIGGER_RADIO,
-                           DMA_CFG1_SRCINC_1 |
-                           DMA_CFG1_DESTINC_0 |
-                           DMA_CFG1_PRIORITY_HIGH);
-       ao_radio_rdf_run();
-}
-
-void
-ao_radio_rdf_abort(void)
-{
-       ao_radio_abort = 1;
-       ao_wakeup(&ao_radio_done);
-}
-
-
-/* Output carrier */
-
-static __xdata radio_test_on;
-
-void
-ao_radio_test(uint8_t on)
-{
-       if (on) {
-               if (!radio_test_on) {
-#if HAS_MONITOR
-                       ao_monitor_disable();
-#endif
-#if PACKET_HAS_SLAVE
-                       ao_packet_slave_stop();
-#endif
-#if HAS_PAD
-                       ao_pad_disable();
-#endif
-                       ao_radio_get(0xff);
-                       RFST = RFST_STX;
-                       radio_test_on = 1;
-               }
-       } else  {
-               if (radio_test_on) {
-                       ao_radio_idle();
-                       ao_radio_put();
-                       radio_test_on = 0;
-#if HAS_MONITOR
-                       ao_monitor_enable();
-#endif
-#if HAS_PAD
-                       ao_pad_enable();
-#endif
-               }
-       }
-}
-
-static void
-ao_radio_test_cmd(void)
-{
-       uint8_t mode = 2;
-       static __xdata radio_on;
-       ao_cmd_white();
-       if (ao_cmd_lex_c != '\n') {
-               ao_cmd_decimal();
-               mode = (uint8_t) ao_cmd_lex_u32;
-       }
-       mode++;
-       if ((mode & 2))
-               ao_radio_test(1);
-       if (mode == 3) {
-               printf ("Hit a character to stop..."); flush();
-               getchar();
-               putchar('\n');
-       }
-       if ((mode & 1))
-               ao_radio_test(0);
-}
-
-#if AO_RADIO_REG_TEST
-static void
-ao_radio_set_reg(void)
-{
-       uint8_t offset;
-       ao_cmd_hex();
-       offset = ao_cmd_lex_i;
-       if (ao_cmd_status != ao_cmd_success)
-               return;
-       ao_cmd_hex();
-       printf("RF[%x] %x", offset, RF[offset]);
-       if (ao_cmd_status == ao_cmd_success) {
-               RF[offset] = ao_cmd_lex_i;
-               printf (" -> %x", RF[offset]);
-       }
-       ao_cmd_status = ao_cmd_success;
-       printf("\n");
-}
-#endif
-
-__code struct ao_cmds ao_radio_cmds[] = {
-       { ao_radio_test_cmd,    "C <1 start, 0 stop, none both>\0Radio carrier test" },
-#if AO_RADIO_REG_TEST
-       { ao_radio_set_reg,     "V <offset> <value>\0Set radio register" },
-#endif
-       { 0,    NULL },
-};
-
-void
-ao_radio_init(void)
-{
-       uint8_t i;
-       for (i = 0; i < sizeof (radio_setup); i += 2)
-               RF[radio_setup[i]] = radio_setup[i+1];
-       ao_radio_set_packet();
-       ao_radio_dma_done = 1;
-       ao_radio_dma = ao_dma_alloc(&ao_radio_dma_done);
-       RFIF = 0;
-       RFIM = RFIM_IM_TIMEOUT|RFIM_IM_DONE;
-       IEN2 |= IEN2_RFIE;
-       ao_cmd_register(&ao_radio_cmds[0]);
-}