X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fdrivers%2Fao_cc1200.c;fp=src%2Fdrivers%2Fao_cc1200.c;h=a69cdc11874b01267dc994293db4e8db551262d5;hp=0000000000000000000000000000000000000000;hb=27a467d802a80a33ea20eb5cda2558d03caa2c00;hpb=62628c8b429d06ee834f0b6511c430cbeaab9303

diff --git a/src/drivers/ao_cc1200.c b/src/drivers/ao_cc1200.c
new file mode 100644
index 00000000..a69cdc11
--- /dev/null
+++ b/src/drivers/ao_cc1200.c
@@ -0,0 +1,1249 @@
+/*
+ * Copyright © 2012 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 <ao.h>
+#include <ao_cc1200.h>
+#include <ao_exti.h>
+#include <ao_fec.h>
+#include <ao_packet.h>
+
+#define AO_RADIO_MAX_RECV	sizeof(struct ao_packet)
+#define AO_RADIO_MAX_SEND	sizeof(struct ao_packet)
+
+static uint8_t ao_radio_mutex;
+
+static uint8_t ao_radio_wake;		/* radio ready. Also used as sleep address */
+static uint8_t ao_radio_abort;		/* radio operation should abort */
+static uint8_t ao_radio_mcu_wake;	/* MARC status change */
+static uint8_t ao_radio_marc_status;	/* Last read MARC status value */
+static uint8_t ao_radio_tx_finished;	/* MARC status indicates TX finished */
+
+int8_t	ao_radio_rssi;			/* Last received RSSI value */
+
+#define CC1200_DEBUG	1
+#define CC1200_TRACE	1
+
+extern const uint32_t	ao_radio_cal;
+
+#define FOSC	32000000
+
+#define ao_radio_try_select(task_id)	ao_spi_try_get_mask(AO_CC1200_SPI_CS_PORT,(1 << AO_CC1200_SPI_CS_PIN),AO_CC1200_SPI_BUS,AO_SPI_SPEED_125kHz, task_id)
+#define ao_radio_select()	ao_spi_get_mask(AO_CC1200_SPI_CS_PORT,(1 << AO_CC1200_SPI_CS_PIN),AO_CC1200_SPI_BUS,AO_SPI_SPEED_125kHz)
+#define ao_radio_deselect()	ao_spi_put_mask(AO_CC1200_SPI_CS_PORT,(1 << AO_CC1200_SPI_CS_PIN),AO_CC1200_SPI_BUS)
+#define ao_radio_spi_send_sync(d,l)	ao_spi_send_sync((d), (l), AO_CC1200_SPI_BUS)
+#define ao_radio_spi_send(d,l)	ao_spi_send((d), (l), AO_CC1200_SPI_BUS)
+#define ao_radio_spi_send_fixed(d,l) ao_spi_send_fixed((d), (l), AO_CC1200_SPI_BUS)
+#define ao_radio_spi_recv(d,l)	ao_spi_recv((d), (l), AO_CC1200_SPI_BUS)
+#define ao_radio_duplex(o,i,l)	ao_spi_duplex((o), (i), (l), AO_CC1200_SPI_BUS)
+
+static uint8_t
+ao_radio_reg_read(uint16_t addr)
+{
+	uint8_t	data[2];
+	uint8_t	d;
+
+#if CC1200_TRACE
+	printf("\t\tao_radio_reg_read (%04x): ", addr); flush();
+#endif
+	if (CC1200_IS_EXTENDED(addr)) {
+		data[0] = ((1 << CC1200_READ)  |
+			   (0 << CC1200_BURST) |
+			   CC1200_EXTENDED);
+		data[1] = addr;
+		d = 2;
+	} else {
+		data[0] = ((1 << CC1200_READ)  |
+			   (0 << CC1200_BURST) |
+			   addr);
+		d = 1;
+	}
+	ao_radio_select();
+	ao_radio_spi_send(data, d);
+	ao_radio_spi_recv(data, 1);
+	ao_radio_deselect();
+#if CC1200_TRACE
+	printf (" %02x\n", data[0]);
+#endif
+	return data[0];
+}
+
+static void
+ao_radio_reg_write(uint16_t addr, uint8_t value)
+{
+	uint8_t	data[3];
+	uint8_t	d;
+
+#if CC1200_TRACE
+	printf("\t\tao_radio_reg_write (%04x): %02x\n", addr, value);
+#endif
+	if (CC1200_IS_EXTENDED(addr)) {
+		data[0] = ((0 << CC1200_READ)  |
+			   (0 << CC1200_BURST) |
+			   CC1200_EXTENDED);
+		data[1] = addr;
+		d = 2;
+	} else {
+		data[0] = ((0 << CC1200_READ)  |
+			   (0 << CC1200_BURST) |
+			   addr);
+		d = 1;
+	}
+	data[d] = value;
+	ao_radio_select();
+	ao_radio_spi_send(data, d+1);
+	ao_radio_deselect();
+#if CC1200_TRACE
+	(void) ao_radio_reg_read(addr);
+#endif
+}
+
+static uint8_t
+ao_radio_strobe(uint8_t addr)
+{
+	uint8_t	in;
+
+#if CC1200_TRACE
+	printf("\t\tao_radio_strobe (%02x): ", addr); flush();
+#endif
+	ao_radio_select();
+	ao_radio_duplex(&addr, &in, 1);
+	ao_radio_deselect();
+#if CC1200_TRACE
+	printf("%02x\n", in); flush();
+#endif
+	return in;
+}
+
+#if 0
+static uint8_t
+ao_radio_fifo_read(uint8_t *data, uint8_t len)
+{
+	uint8_t	addr = ((1 << CC1200_READ)  |
+			(1 << CC1200_BURST) |
+			CC1200_FIFO);
+	uint8_t status;
+
+	ao_radio_select();
+	ao_radio_duplex(&addr, &status, 1);
+	ao_radio_spi_recv(data, len);
+	ao_radio_deselect();
+	return status;
+}
+#endif
+
+static uint8_t
+ao_radio_fifo_write_start(void)
+{
+	uint8_t	addr = ((0 << CC1200_READ)  |
+			(1 << CC1200_BURST) |
+			CC1200_FIFO);
+	uint8_t status;
+
+	ao_radio_select();
+	ao_radio_duplex(&addr, &status, 1);
+	return status;
+}
+
+static inline uint8_t ao_radio_fifo_write_stop(uint8_t status) {
+	ao_radio_deselect();
+	return status;
+}
+
+static uint8_t
+ao_radio_fifo_write(uint8_t *data, uint8_t len)
+{
+	uint8_t	status = ao_radio_fifo_write_start();
+	ao_radio_spi_send(data, len);
+	return ao_radio_fifo_write_stop(status);
+}
+
+static uint8_t
+ao_radio_fifo_write_fixed(uint8_t data, uint8_t len)
+{
+	uint8_t status = ao_radio_fifo_write_start();
+	ao_radio_spi_send_fixed(data, len);
+	return ao_radio_fifo_write_stop(status);
+}
+
+static uint8_t
+ao_radio_tx_fifo_space(void)
+{
+	return CC1200_FIFO_SIZE - ao_radio_reg_read(CC1200_NUM_TXBYTES);
+}
+
+#if CC1200_DEBUG || CC1200_TRACE
+static uint8_t
+ao_radio_status(void)
+{
+	return ao_radio_strobe (CC1200_SNOP);
+}
+#endif
+
+void
+ao_radio_recv_abort(void)
+{
+	ao_radio_abort = 1;
+	ao_wakeup(&ao_radio_wake);
+}
+
+#define ao_radio_rdf_value 0x55
+
+static uint8_t
+ao_radio_get_marc_status(void)
+{
+	return ao_radio_reg_read(CC1200_MARC_STATUS1);
+}
+
+static void
+ao_radio_check_marc_status(void)
+{
+	ao_radio_mcu_wake = 0;
+	ao_radio_marc_status = ao_radio_get_marc_status();
+
+	/* Anyt other than 'tx/rx finished' means an error occurred */
+	if (ao_radio_marc_status & ~(CC1200_MARC_STATUS1_TX_FINISHED|CC1200_MARC_STATUS1_RX_FINISHED))
+		ao_radio_abort = 1;
+	if (ao_radio_marc_status & (CC1200_MARC_STATUS1_TX_FINISHED))
+		ao_radio_tx_finished = 1;
+}
+
+static void
+ao_radio_isr(void)
+{
+	ao_exti_disable(AO_CC1200_INT_PORT, AO_CC1200_INT_PIN);
+	ao_radio_wake = 1;
+	ao_wakeup(&ao_radio_wake);
+}
+
+static void
+ao_radio_start_tx(void)
+{
+	ao_exti_set_callback(AO_CC1200_INT_PORT, AO_CC1200_INT_PIN, ao_radio_isr);
+	ao_exti_enable(AO_CC1200_INT_PORT, AO_CC1200_INT_PIN);
+	ao_radio_tx_finished = 0;
+	ao_radio_strobe(CC1200_STX);
+}
+
+static void
+ao_radio_idle(void)
+{
+	for (;;) {
+		uint8_t	state = (ao_radio_strobe(CC1200_SIDLE) >> CC1200_STATUS_STATE) & CC1200_STATUS_STATE_MASK;
+		if (state == CC1200_STATUS_STATE_IDLE)
+			break;
+		if (state == CC1200_STATUS_STATE_TX_FIFO_ERROR)
+			ao_radio_strobe(CC1200_SFTX);
+		if (state == CC1200_STATUS_STATE_RX_FIFO_ERROR)
+			ao_radio_strobe(CC1200_SFRX);
+	}
+	/* Flush any pending TX bytes */
+	ao_radio_strobe(CC1200_SFTX);
+}
+
+/*
+ * Packet deviation
+ *
+ *	fdev = fosc >> 24 * (256 + dev_m) << dev_e
+ *
+ * Deviation for 38400 baud should be 20.5kHz:
+ *
+ *     	32e6Hz / (2 ** 24) * (256 + 80) * (2 ** 5) = 20508Hz
+ *
+ * Deviation for 9600 baud should be 5.125kHz:
+ *
+ *     	32e6Hz / (2 ** 24) * (256 + 80) * (2 ** 3) = 5127Hz
+ *
+ * Deviation for 2400 baud should be 1.28125kHz, but cc1111 and
+ * cc115l can't do that, so we'll use 1.5kHz instead:
+ *
+ *     	32e6Hz / (2 ** 24) * (256 + 137) * (2 ** 1) = 1499Hz
+ */
+
+#define PACKET_DEV_M_384	80
+#define PACKET_DEV_E_384	5
+
+#define PACKET_DEV_M_96		80
+#define PACKET_DEV_E_96		3
+
+#define PACKET_DEV_M_24		137
+#define PACKET_DEV_E_24		1
+
+/*
+ * For our packet data
+ *
+ *              (2**20 + DATARATE_M) * 2 ** DATARATE_E
+ *	Rdata = -------------------------------------- * fosc
+ *		             2 ** 39
+ *
+ * Given the bit period of the baseband, T, the bandwidth of the
+ * baseband signal is B = 1/(2T).  The overall bandwidth of the
+ * modulated signal is then Channel bandwidth = 2Δf + 2B.
+ *
+ * 38400 -- 2 * 20500 + 38400 = 79.4 kHz
+ *  9600 -- 2 * 5.125 +  9600 = 19.9 kHz
+ *  2400 -- 2 * 1.5   +  2400 =  5.4 khz
+ *
+ * Symbol rate 38400 Baud:
+ *
+ *	DATARATE_M = 239914
+ *	DATARATE_E = 9
+ *	CHANBW = 79.4 (79.4)
+ *
+ * Symbol rate 9600 Baud:
+ *
+ *	DATARATE_M = 239914
+ *	DATARATE_E = 7
+ *	CHANBW = 19.9 (round to 19.8)
+ *
+ * Symbol rate 2400 Baud:
+ *
+ *	DATARATE_M = 239914
+ *	DATARATE_E = 5
+ *	CHANBW = 5.0 (round to 9.5)
+ */
+
+#define PACKET_SYMBOL_RATE_M	239914
+
+#define PACKET_SYMBOL_RATE_E_384	9
+
+/* 200 / 2 = 100 */
+#define PACKET_CHAN_BW_384	((CC1200_CHAN_BW_ADC_CIC_DECFACT_12 << CC1200_CHAN_BW_ADC_CIC_DECFACT) | \
+				 (21 << CC1200_CHAN_BW_BB_CIC_DECFACT))
+
+#define PACKET_SYMBOL_RATE_E_96	7
+/* 200 / 10 = 20 */
+#define PACKET_CHAN_BW_96	((CC1200_CHAN_BW_ADC_CIC_DECFACT_48 << CC1200_CHAN_BW_ADC_CIC_DECFACT) | \
+				 (21 << CC1200_CHAN_BW_BB_CIC_DECFACT))
+
+#define PACKET_SYMBOL_RATE_E_24	5
+/* 200 / 25 = 8 */
+#define PACKET_CHAN_BW_24	((CC1200_CHAN_BW_ADC_CIC_DECFACT_48 << CC1200_CHAN_BW_ADC_CIC_DECFACT) | \
+				 (44 << CC1200_CHAN_BW_BB_CIC_DECFACT))
+
+static const uint16_t packet_setup[] = {
+	CC1200_SYMBOL_RATE1,		((PACKET_SYMBOL_RATE_M >> 8) & 0xff),
+	CC1200_SYMBOL_RATE0,		((PACKET_SYMBOL_RATE_M >> 0) & 0xff),
+	CC1200_PKT_CFG2,	((CC1200_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1200_PKT_CFG2_CCA_MODE) |
+				 (CC1200_PKT_CFG2_PKT_FORMAT_NORMAL << CC1200_PKT_CFG2_PKT_FORMAT)),
+	CC1200_PKT_CFG1,	((0 << CC1200_PKT_CFG1_WHITE_DATA) |
+				 (CC1200_PKT_CFG1_ADDR_CHECK_CFG_NONE << CC1200_PKT_CFG1_ADDR_CHECK_CFG) |
+				 (CC1200_PKT_CFG1_CRC_CFG_DISABLED << CC1200_PKT_CFG1_CRC_CFG) |
+				 (0 << CC1200_PKT_CFG1_APPEND_STATUS)),
+	CC1200_PKT_CFG0,	((0 << CC1200_PKT_CFG0_RESERVED7) |
+				 (CC1200_PKT_CFG0_LENGTH_CONFIG_FIXED << CC1200_PKT_CFG0_LENGTH_CONFIG) |
+				 (0 << CC1200_PKT_CFG0_PKG_BIT_LEN) |
+				 (0 << CC1200_PKT_CFG0_UART_MODE_EN) |
+				 (0 << CC1200_PKT_CFG0_UART_SWAP_EN)),
+        CC1200_PREAMBLE_CFG1,	((CC1200_PREAMBLE_CFG1_NUM_PREAMBLE_4_BYTES << CC1200_PREAMBLE_CFG1_NUM_PREAMBLE) |
+				 (CC1200_PREAMBLE_CFG1_PREAMBLE_WORD_AA << CC1200_PREAMBLE_CFG1_PREAMBLE_WORD)),
+};
+
+static const uint16_t packet_setup_384[] = {
+	CC1200_DEVIATION_M,	PACKET_DEV_M_384,
+	CC1200_MODCFG_DEV_E,	((CC1200_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1200_MODCFG_DEV_E_MODEM_MODE) |
+				 (CC1200_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1200_MODCFG_DEV_E_MOD_FORMAT) |
+				 (PACKET_DEV_E_384 << CC1200_MODCFG_DEV_E_DEV_E)),
+	CC1200_SYMBOL_RATE2,		((PACKET_SYMBOL_RATE_E_384 << CC1200_SYMBOL_RATE2_DATARATE_E) |
+				 (((PACKET_SYMBOL_RATE_M >> 16) & CC1200_SYMBOL_RATE2_DATARATE_M_19_16_MASK) << CC1200_SYMBOL_RATE2_DATARATE_M_19_16)),
+	CC1200_CHAN_BW,		PACKET_CHAN_BW_384,
+	CC1200_PA_CFG0,		0x7b,
+};
+
+static const uint16_t packet_setup_96[] = {
+	CC1200_DEVIATION_M,	PACKET_DEV_M_96,
+	CC1200_MODCFG_DEV_E,	((CC1200_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1200_MODCFG_DEV_E_MODEM_MODE) |
+				 (CC1200_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1200_MODCFG_DEV_E_MOD_FORMAT) |
+				 (PACKET_DEV_E_96 << CC1200_MODCFG_DEV_E_DEV_E)),
+	CC1200_SYMBOL_RATE2,		((PACKET_SYMBOL_RATE_E_96 << CC1200_SYMBOL_RATE2_DATARATE_E) |
+				 (((PACKET_SYMBOL_RATE_M >> 16) & CC1200_SYMBOL_RATE2_DATARATE_M_19_16_MASK) << CC1200_SYMBOL_RATE2_DATARATE_M_19_16)),
+	CC1200_CHAN_BW,		PACKET_CHAN_BW_96,
+	CC1200_PA_CFG0,		0x7d,
+};
+
+static const uint16_t packet_setup_24[] = {
+	CC1200_DEVIATION_M,	PACKET_DEV_M_24,
+	CC1200_MODCFG_DEV_E,	((CC1200_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1200_MODCFG_DEV_E_MODEM_MODE) |
+				 (CC1200_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1200_MODCFG_DEV_E_MOD_FORMAT) |
+				 (PACKET_DEV_E_24 << CC1200_MODCFG_DEV_E_DEV_E)),
+	CC1200_SYMBOL_RATE2,		((PACKET_SYMBOL_RATE_E_24 << CC1200_SYMBOL_RATE2_DATARATE_E) |
+				 (((PACKET_SYMBOL_RATE_M >> 16) & CC1200_SYMBOL_RATE2_DATARATE_M_19_16_MASK) << CC1200_SYMBOL_RATE2_DATARATE_M_19_16)),
+	CC1200_CHAN_BW,		PACKET_CHAN_BW_24,
+	CC1200_PA_CFG0,		0x7e,
+};
+
+static const uint16_t packet_tx_setup[] = {
+	CC1200_PKT_CFG2,	((CC1200_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1200_PKT_CFG2_CCA_MODE) |
+				 (CC1200_PKT_CFG2_PKT_FORMAT_NORMAL << CC1200_PKT_CFG2_PKT_FORMAT)),
+	AO_CC1200_INT_GPIO_IOCFG, 		CC1200_IOCFG_GPIO_CFG_RX0TX1_CFG,
+};
+
+static const uint16_t packet_rx_setup[] = {
+	CC1200_PKT_CFG2,	((CC1200_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1200_PKT_CFG2_CCA_MODE) |
+				 (CC1200_PKT_CFG2_PKT_FORMAT_SYNCHRONOUS_SERIAL << CC1200_PKT_CFG2_PKT_FORMAT)),
+	AO_CC1200_INT_GPIO_IOCFG, 		CC1200_IOCFG_GPIO_CFG_CLKEN_SOFT,
+};
+
+/*
+ * RDF deviation is 5kHz
+ *
+ *	fdev = fosc >> 24 * (256 + dev_m) << dev_e
+ *
+ *     	32e6Hz / (2 ** 24) * (256 + 71) * (2 ** 3) = 4989
+ */
+
+#define RDF_DEV_E	3
+#define RDF_DEV_M	71
+
+/*
+ * For our RDF beacon, set the symbol rate to 2kBaud (for a 1kHz tone)
+ *
+ *              (2**20 + DATARATE_M) * 2 ** DATARATE_E
+ *	Rdata = -------------------------------------- * fosc
+ *		             2 ** 39
+ *
+ *	DATARATE_M = 25166
+ *	DATARATE_E = 5
+ *
+ * To make the tone last for 200ms, we need 2000 * .2 = 400 bits or 50 bytes
+ */
+#define RDF_SYMBOL_RATE_E	5
+#define RDF_SYMBOL_RATE_M	25166
+#define RDF_PACKET_LEN	50
+
+static const uint16_t rdf_setup[] = {
+	CC1200_DEVIATION_M,	RDF_DEV_M,
+	CC1200_MODCFG_DEV_E,	((CC1200_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1200_MODCFG_DEV_E_MODEM_MODE) |
+				 (CC1200_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1200_MODCFG_DEV_E_MOD_FORMAT) |
+				 (RDF_DEV_E << CC1200_MODCFG_DEV_E_DEV_E)),
+	CC1200_SYMBOL_RATE2,		((RDF_SYMBOL_RATE_E << CC1200_SYMBOL_RATE2_DATARATE_E) |
+				 (((RDF_SYMBOL_RATE_M >> 16) & CC1200_SYMBOL_RATE2_DATARATE_M_19_16_MASK) << CC1200_SYMBOL_RATE2_DATARATE_M_19_16)),
+	CC1200_SYMBOL_RATE1,		((RDF_SYMBOL_RATE_M >> 8) & 0xff),
+	CC1200_SYMBOL_RATE0,		((RDF_SYMBOL_RATE_M >> 0) & 0xff),
+	CC1200_PKT_CFG2,	((CC1200_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1200_PKT_CFG2_CCA_MODE) |
+				 (CC1200_PKT_CFG2_PKT_FORMAT_NORMAL << CC1200_PKT_CFG2_PKT_FORMAT)),
+	CC1200_PKT_CFG1,	((0 << CC1200_PKT_CFG1_WHITE_DATA) |
+				 (CC1200_PKT_CFG1_ADDR_CHECK_CFG_NONE << CC1200_PKT_CFG1_ADDR_CHECK_CFG) |
+				 (CC1200_PKT_CFG1_CRC_CFG_DISABLED << CC1200_PKT_CFG1_CRC_CFG) |
+				 (0 << CC1200_PKT_CFG1_APPEND_STATUS)),
+	CC1200_PKT_CFG0,	((0 << CC1200_PKT_CFG0_RESERVED7) |
+				 (CC1200_PKT_CFG0_LENGTH_CONFIG_FIXED << CC1200_PKT_CFG0_LENGTH_CONFIG) |
+				 (0 << CC1200_PKT_CFG0_PKG_BIT_LEN) |
+				 (0 << CC1200_PKT_CFG0_UART_MODE_EN) |
+				 (0 << CC1200_PKT_CFG0_UART_SWAP_EN)),
+        CC1200_PREAMBLE_CFG1,	((CC1200_PREAMBLE_CFG1_NUM_PREAMBLE_NONE << CC1200_PREAMBLE_CFG1_NUM_PREAMBLE) |
+				 (CC1200_PREAMBLE_CFG1_PREAMBLE_WORD_AA << CC1200_PREAMBLE_CFG1_PREAMBLE_WORD)),
+	CC1200_PA_CFG0,		0x7e,
+};
+
+/*
+ * APRS deviation is 3kHz
+ *
+ *	fdev = fosc >> 24 * (256 + dev_m) << dev_e
+ *
+ *     	32e6Hz / (2 ** 24) * (256 + 137) * (2 ** 2) = 2998Hz
+ */
+
+#define APRS_DEV_E	2
+#define APRS_DEV_M	137
+
+/*
+ * For our APRS beacon, set the symbol rate to 9.6kBaud (8x oversampling for 1200 baud data rate)
+ *
+ *              (2**20 + DATARATE_M) * 2 ** DATARATE_E
+ *	Rdata = -------------------------------------- * fosc
+ *		             2 ** 39
+ *
+ *	DATARATE_M = 239914
+ *	DATARATE_E = 7
+ *
+ *	Rdata = 9599.998593330383301
+ *
+ */
+#define APRS_SYMBOL_RATE_E	7
+#define APRS_SYMBOL_RATE_M	239914
+
+static const uint16_t aprs_setup[] = {
+	CC1200_DEVIATION_M,	APRS_DEV_M,
+	CC1200_MODCFG_DEV_E,	((CC1200_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1200_MODCFG_DEV_E_MODEM_MODE) |
+				 (CC1200_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1200_MODCFG_DEV_E_MOD_FORMAT) |
+				 (APRS_DEV_E << CC1200_MODCFG_DEV_E_DEV_E)),
+	CC1200_SYMBOL_RATE2,		((APRS_SYMBOL_RATE_E << CC1200_SYMBOL_RATE2_DATARATE_E) |
+				 (((APRS_SYMBOL_RATE_M >> 16) & CC1200_SYMBOL_RATE2_DATARATE_M_19_16_MASK) << CC1200_SYMBOL_RATE2_DATARATE_M_19_16)),
+	CC1200_SYMBOL_RATE1,		((APRS_SYMBOL_RATE_M >> 8) & 0xff),
+	CC1200_SYMBOL_RATE0,		((APRS_SYMBOL_RATE_M >> 0) & 0xff),
+	CC1200_PKT_CFG2,	((CC1200_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1200_PKT_CFG2_CCA_MODE) |
+				 (CC1200_PKT_CFG2_PKT_FORMAT_NORMAL << CC1200_PKT_CFG2_PKT_FORMAT)),
+	CC1200_PKT_CFG1,	((0 << CC1200_PKT_CFG1_WHITE_DATA) |
+				 (CC1200_PKT_CFG1_ADDR_CHECK_CFG_NONE << CC1200_PKT_CFG1_ADDR_CHECK_CFG) |
+				 (CC1200_PKT_CFG1_CRC_CFG_DISABLED << CC1200_PKT_CFG1_CRC_CFG) |
+				 (0 << CC1200_PKT_CFG1_APPEND_STATUS)),
+        CC1200_PREAMBLE_CFG1,	((CC1200_PREAMBLE_CFG1_NUM_PREAMBLE_NONE << CC1200_PREAMBLE_CFG1_NUM_PREAMBLE) |
+				 (CC1200_PREAMBLE_CFG1_PREAMBLE_WORD_AA << CC1200_PREAMBLE_CFG1_PREAMBLE_WORD)),
+	CC1200_PA_CFG0,		0x7d,
+};
+
+/*
+ * For Test mode, we want an unmodulated carrier. To do that, we
+ * set the deviation to zero and enable a preamble so that the radio
+ * turns on before we send any data
+ */
+
+static const uint16_t test_setup[] = {
+	CC1200_DEVIATION_M,	0,
+	CC1200_MODCFG_DEV_E,	((CC1200_MODCFG_DEV_E_MODEM_MODE_NORMAL << CC1200_MODCFG_DEV_E_MODEM_MODE) |
+				 (CC1200_MODCFG_DEV_E_MOD_FORMAT_2_GFSK << CC1200_MODCFG_DEV_E_MOD_FORMAT) |
+				 (0 << CC1200_MODCFG_DEV_E_DEV_E)),
+	CC1200_SYMBOL_RATE2,		((APRS_SYMBOL_RATE_E << CC1200_SYMBOL_RATE2_DATARATE_E) |
+				 (((APRS_SYMBOL_RATE_M >> 16) & CC1200_SYMBOL_RATE2_DATARATE_M_19_16_MASK) << CC1200_SYMBOL_RATE2_DATARATE_M_19_16)),
+	CC1200_SYMBOL_RATE1,		((APRS_SYMBOL_RATE_M >> 8) & 0xff),
+	CC1200_SYMBOL_RATE0,		((APRS_SYMBOL_RATE_M >> 0) & 0xff),
+	CC1200_PKT_CFG2,	((CC1200_PKT_CFG2_CCA_MODE_ALWAYS_CLEAR << CC1200_PKT_CFG2_CCA_MODE) |
+				 (CC1200_PKT_CFG2_PKT_FORMAT_NORMAL << CC1200_PKT_CFG2_PKT_FORMAT)),
+	CC1200_PKT_CFG1,	((0 << CC1200_PKT_CFG1_WHITE_DATA) |
+				 (CC1200_PKT_CFG1_ADDR_CHECK_CFG_NONE << CC1200_PKT_CFG1_ADDR_CHECK_CFG) |
+				 (CC1200_PKT_CFG1_CRC_CFG_DISABLED << CC1200_PKT_CFG1_CRC_CFG) |
+				 (0 << CC1200_PKT_CFG1_APPEND_STATUS)),
+        CC1200_PREAMBLE_CFG1,	((CC1200_PREAMBLE_CFG1_NUM_PREAMBLE_4_BYTES << CC1200_PREAMBLE_CFG1_NUM_PREAMBLE) |
+				 (CC1200_PREAMBLE_CFG1_PREAMBLE_WORD_AA << CC1200_PREAMBLE_CFG1_PREAMBLE_WORD)),
+};
+
+#define AO_PKT_CFG0_INFINITE ((0 << CC1200_PKT_CFG0_RESERVED7) |	\
+			      (CC1200_PKT_CFG0_LENGTH_CONFIG_INFINITE << CC1200_PKT_CFG0_LENGTH_CONFIG) | \
+			      (0 << CC1200_PKT_CFG0_PKG_BIT_LEN) |	\
+			      (0 << CC1200_PKT_CFG0_UART_MODE_EN) |	\
+			      (0 << CC1200_PKT_CFG0_UART_SWAP_EN))
+
+#define AO_PKT_CFG0_FIXED ((0 << CC1200_PKT_CFG0_RESERVED7) |		\
+			   (CC1200_PKT_CFG0_LENGTH_CONFIG_FIXED << CC1200_PKT_CFG0_LENGTH_CONFIG) | \
+			   (0 << CC1200_PKT_CFG0_PKG_BIT_LEN) |		\
+			   (0 << CC1200_PKT_CFG0_UART_MODE_EN) |	\
+			   (0 << CC1200_PKT_CFG0_UART_SWAP_EN))
+
+static uint16_t ao_radio_mode;
+
+#define AO_RADIO_MODE_BITS_PACKET	1
+#define AO_RADIO_MODE_BITS_PACKET_TX	2
+#define AO_RADIO_MODE_BITS_TX_BUF	4
+#define AO_RADIO_MODE_BITS_TX_FINISH	8
+#define AO_RADIO_MODE_BITS_PACKET_RX	16
+#define AO_RADIO_MODE_BITS_RDF		32
+#define AO_RADIO_MODE_BITS_APRS		64
+#define AO_RADIO_MODE_BITS_TEST		128
+#define AO_RADIO_MODE_BITS_INFINITE	256
+#define AO_RADIO_MODE_BITS_FIXED	512
+
+#define AO_RADIO_MODE_NONE		0
+#define AO_RADIO_MODE_PACKET_TX_BUF	(AO_RADIO_MODE_BITS_PACKET | AO_RADIO_MODE_BITS_PACKET_TX | AO_RADIO_MODE_BITS_TX_BUF)
+#define AO_RADIO_MODE_PACKET_TX_FINISH	(AO_RADIO_MODE_BITS_PACKET | AO_RADIO_MODE_BITS_PACKET_TX | AO_RADIO_MODE_BITS_TX_FINISH)
+#define AO_RADIO_MODE_PACKET_RX		(AO_RADIO_MODE_BITS_PACKET | AO_RADIO_MODE_BITS_PACKET_RX)
+#define AO_RADIO_MODE_RDF		(AO_RADIO_MODE_BITS_RDF | AO_RADIO_MODE_BITS_TX_FINISH)
+#define AO_RADIO_MODE_APRS_BUF		(AO_RADIO_MODE_BITS_APRS | AO_RADIO_MODE_BITS_INFINITE | AO_RADIO_MODE_BITS_TX_BUF)
+#define AO_RADIO_MODE_APRS_LAST_BUF	(AO_RADIO_MODE_BITS_APRS | AO_RADIO_MODE_BITS_FIXED | AO_RADIO_MODE_BITS_TX_BUF)
+#define AO_RADIO_MODE_APRS_FINISH	(AO_RADIO_MODE_BITS_APRS | AO_RADIO_MODE_BITS_FIXED | AO_RADIO_MODE_BITS_TX_FINISH)
+#define AO_RADIO_MODE_TEST		(AO_RADIO_MODE_BITS_TEST | AO_RADIO_MODE_BITS_INFINITE | AO_RADIO_MODE_BITS_TX_BUF)
+
+static void
+_ao_radio_set_regs(const uint16_t *regs, int nreg)
+{
+	int i;
+
+	for (i = 0; i < nreg; i++) {
+		ao_radio_reg_write(regs[0], regs[1]);
+		regs += 2;
+	}
+}
+
+#define ao_radio_set_regs(setup) _ao_radio_set_regs(setup, (sizeof (setup) / sizeof(setup[0])) >> 1)
+
+static void
+ao_radio_set_mode(uint16_t new_mode)
+{
+	uint16_t changes;
+
+	if (new_mode == ao_radio_mode)
+		return;
+
+	changes = new_mode & (~ao_radio_mode);
+
+	if (changes & AO_RADIO_MODE_BITS_PACKET) {
+		ao_radio_set_regs(packet_setup);
+
+		switch (ao_config.radio_rate) {
+		default:
+		case AO_RADIO_RATE_38400:
+			ao_radio_set_regs(packet_setup_384);
+			break;
+		case AO_RADIO_RATE_9600:
+			ao_radio_set_regs(packet_setup_96);
+			break;
+		case AO_RADIO_RATE_2400:
+			ao_radio_set_regs(packet_setup_24);
+			break;
+		}
+	}
+
+	if (changes & AO_RADIO_MODE_BITS_PACKET_TX)
+		ao_radio_set_regs(packet_tx_setup);
+
+	if (changes & AO_RADIO_MODE_BITS_TX_BUF)
+		ao_radio_reg_write(AO_CC1200_INT_GPIO_IOCFG, CC1200_IOCFG_GPIO_CFG_TXFIFO_THR);
+
+	if (changes & AO_RADIO_MODE_BITS_TX_FINISH)
+		ao_radio_reg_write(AO_CC1200_INT_GPIO_IOCFG, CC1200_IOCFG_GPIO_CFG_RX0TX1_CFG);
+
+	if (changes & AO_RADIO_MODE_BITS_PACKET_RX)
+		ao_radio_set_regs(packet_rx_setup);
+
+	if (changes & AO_RADIO_MODE_BITS_RDF)
+		ao_radio_set_regs(rdf_setup);
+
+	if (changes & AO_RADIO_MODE_BITS_APRS)
+		ao_radio_set_regs(aprs_setup);
+
+	if (changes & AO_RADIO_MODE_BITS_TEST)
+		ao_radio_set_regs(test_setup);
+
+	if (changes & AO_RADIO_MODE_BITS_INFINITE)
+		ao_radio_reg_write(CC1200_PKT_CFG0, AO_PKT_CFG0_INFINITE);
+
+	if (changes & AO_RADIO_MODE_BITS_FIXED)
+		ao_radio_reg_write(CC1200_PKT_CFG0, AO_PKT_CFG0_FIXED);
+
+	ao_radio_mode = new_mode;
+}
+
+static const uint16_t radio_setup[] = {
+#include "ao_cc1200_CC1200.h"
+};
+
+static uint8_t	ao_radio_configured = 0;
+
+static void
+ao_radio_setup(void)
+{
+//	ao_radio_strobe(CC1200_SRES);
+
+	ao_radio_set_regs(radio_setup);
+
+	ao_radio_mode = 0;
+
+	ao_config_get();
+
+	ao_radio_configured = 1;
+}
+
+static void
+ao_radio_set_len(uint8_t len)
+{
+	static uint8_t	last_len;
+
+	if (len != last_len) {
+		ao_radio_reg_write(CC1200_PKT_LEN, len);
+		last_len = len;
+	}
+}
+
+static void
+ao_radio_get(uint8_t len)
+{
+	static uint32_t	last_radio_setting;
+	static uint8_t	last_radio_rate;
+
+	ao_mutex_get(&ao_radio_mutex);
+
+	if (!ao_radio_configured)
+		ao_radio_setup();
+	if (ao_config.radio_setting != last_radio_setting) {
+		ao_radio_reg_write(CC1200_FREQ2, ao_config.radio_setting >> 16);
+		ao_radio_reg_write(CC1200_FREQ1, ao_config.radio_setting >> 8);
+		ao_radio_reg_write(CC1200_FREQ0, ao_config.radio_setting);
+		last_radio_setting = ao_config.radio_setting;
+	}
+	if (ao_config.radio_rate != last_radio_rate) {
+		ao_radio_mode &= ~AO_RADIO_MODE_BITS_PACKET;
+		last_radio_rate = ao_config.radio_rate;
+	}
+	ao_radio_set_len(len);
+}
+
+#define ao_radio_put()	ao_mutex_put(&ao_radio_mutex)
+
+static void
+ao_rdf_start(uint8_t len)
+{
+	ao_radio_abort = 0;
+	ao_radio_get(len);
+
+	ao_radio_set_mode(AO_RADIO_MODE_RDF);
+	ao_radio_wake = 0;
+
+}
+
+static void
+ao_rdf_run(void)
+{
+	ao_radio_start_tx();
+
+	ao_arch_block_interrupts();
+	while (!ao_radio_wake && !ao_radio_abort && !ao_radio_mcu_wake)
+		ao_sleep(&ao_radio_wake);
+	ao_arch_release_interrupts();
+	if (ao_radio_mcu_wake)
+		ao_radio_check_marc_status();
+	if (!ao_radio_wake)
+		ao_radio_idle();
+	ao_radio_put();
+}
+
+void
+ao_radio_rdf(void)
+{
+	ao_rdf_start(AO_RADIO_RDF_LEN);
+
+	ao_radio_fifo_write_fixed(ao_radio_rdf_value, AO_RADIO_RDF_LEN);
+
+	ao_rdf_run();
+}
+
+void
+ao_radio_continuity(uint8_t c)
+{
+	uint8_t	i;
+	uint8_t status;
+
+	ao_rdf_start(AO_RADIO_CONT_TOTAL_LEN);
+
+	status = ao_radio_fifo_write_start();
+	for (i = 0; i < 3; i++) {
+		ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_PAUSE_LEN);
+		if (i < c)
+			ao_radio_spi_send_fixed(ao_radio_rdf_value, AO_RADIO_CONT_TONE_LEN);
+		else
+			ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_TONE_LEN);
+	}
+	ao_radio_spi_send_fixed(0x00, AO_RADIO_CONT_PAUSE_LEN);
+	status = ao_radio_fifo_write_stop(status);
+	(void) status;
+	ao_rdf_run();
+}
+
+void
+ao_radio_rdf_abort(void)
+{
+	ao_radio_abort = 1;
+	ao_wakeup(&ao_radio_wake);
+}
+
+static void
+ao_radio_test_cmd(void)
+{
+	uint8_t	mode = 2;
+	static uint8_t 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) && !radio_on) {
+#if HAS_MONITOR
+		ao_monitor_disable();
+#endif
+#if PACKET_HAS_SLAVE
+		ao_packet_slave_stop();
+#endif
+		ao_radio_get(0xff);
+		ao_radio_set_mode(AO_RADIO_MODE_TEST);
+		ao_radio_strobe(CC1200_STX);
+#if CC1200_TRACE
+		{ int t;
+			for (t = 0; t < 10; t++) {
+				printf ("status: %02x\n", ao_radio_status());
+				ao_delay(AO_MS_TO_TICKS(100));
+			}
+		}
+#endif
+		radio_on = 1;
+	}
+	if (mode == 3) {
+		printf ("Hit a character to stop..."); flush();
+		getchar();
+		putchar('\n');
+	}
+	if ((mode & 1) && radio_on) {
+		ao_radio_idle();
+		ao_radio_put();
+		radio_on = 0;
+#if HAS_MONITOR
+		ao_monitor_enable();
+#endif
+	}
+}
+
+static void
+ao_radio_wait_isr(uint16_t timeout)
+{
+	if (timeout)
+		ao_alarm(timeout);
+	ao_arch_block_interrupts();
+	while (!ao_radio_wake && !ao_radio_mcu_wake && !ao_radio_abort)
+		if (ao_sleep(&ao_radio_wake))
+			ao_radio_abort = 1;
+	ao_arch_release_interrupts();
+	if (timeout)
+		ao_clear_alarm();
+	if (ao_radio_mcu_wake)
+		ao_radio_check_marc_status();
+}
+
+void
+ao_radio_send(const void *d, uint8_t size)
+{
+	(void) d;
+	(void) size;
+}
+
+#define AO_RADIO_LOTS	64
+
+void
+ao_radio_send_aprs(ao_radio_fill_func fill)
+{
+	uint8_t	buf[AO_RADIO_LOTS], *b;
+	int	cnt;
+	int	total = 0;
+	uint8_t	done = 0;
+	uint8_t	started = 0;
+	uint8_t	fifo_space;
+
+	ao_radio_get(0xff);
+	fifo_space = CC1200_FIFO_SIZE;
+	while (!done) {
+		cnt = (*fill)(buf, sizeof(buf));
+		if (cnt < 0) {
+			done = 1;
+			cnt = -cnt;
+		}
+		total += cnt;
+
+		/* At the last buffer, set the total length */
+		if (done)
+			ao_radio_set_len(total & 0xff);
+
+		b = buf;
+		while (cnt) {
+			uint8_t	this_len = cnt;
+
+			/* Wait for some space in the fifo */
+			while (!ao_radio_abort && (fifo_space = ao_radio_tx_fifo_space()) == 0) {
+				ao_radio_wake = 0;
+				ao_radio_wait_isr(0);
+			}
+			if (ao_radio_abort)
+				break;
+			if (this_len > fifo_space)
+				this_len = fifo_space;
+
+			cnt -= this_len;
+
+			if (done) {
+				if (cnt)
+					ao_radio_set_mode(AO_RADIO_MODE_APRS_LAST_BUF);
+				else
+					ao_radio_set_mode(AO_RADIO_MODE_APRS_FINISH);
+			} else
+				ao_radio_set_mode(AO_RADIO_MODE_APRS_BUF);
+
+			ao_radio_fifo_write(b, this_len);
+			b += this_len;
+
+			if (!started) {
+				ao_radio_start_tx();
+				started = 1;
+			} else
+				ao_exti_enable(AO_CC1200_INT_PORT, AO_CC1200_INT_PIN);
+		}
+		if (ao_radio_abort) {
+			ao_radio_idle();
+			break;
+		}
+		/* Wait for the transmitter to go idle */
+		ao_radio_wake = 0;
+		ao_radio_wait_isr(0);
+	}
+	ao_radio_put();
+}
+
+uint8_t
+ao_radio_recv(__xdata void *d, uint8_t size, uint8_t timeout)
+{
+	(void) d;
+	(void) size;
+	(void) timeout;
+	return 0;
+}
+
+
+#if CC1200_DEBUG
+static char *cc1200_state_name[] = {
+	[CC1200_STATUS_STATE_IDLE] = "IDLE",
+	[CC1200_STATUS_STATE_RX] = "RX",
+	[CC1200_STATUS_STATE_TX] = "TX",
+	[CC1200_STATUS_STATE_FSTXON] = "FSTXON",
+	[CC1200_STATUS_STATE_CALIBRATE] = "CALIBRATE",
+	[CC1200_STATUS_STATE_SETTLING] = "SETTLING",
+	[CC1200_STATUS_STATE_RX_FIFO_ERROR] = "RX_FIFO_ERROR",
+	[CC1200_STATUS_STATE_TX_FIFO_ERROR] = "TX_FIFO_ERROR",
+};
+
+struct ao_cc1200_reg {
+	uint16_t	addr;
+	char		*name;
+};
+
+static const struct ao_cc1200_reg ao_cc1200_reg[] = {
+	{ .addr = CC1200_IOCFG3,	.name = "IOCFG3" },
+	{ .addr = CC1200_IOCFG2,	.name = "IOCFG2" },
+	{ .addr = CC1200_IOCFG1,	.name = "IOCFG1" },
+	{ .addr = CC1200_IOCFG0,	.name = "IOCFG0" },
+	{ .addr = CC1200_SYNC3,	.name = "SYNC3" },
+	{ .addr = CC1200_SYNC2,	.name = "SYNC2" },
+	{ .addr = CC1200_SYNC1,	.name = "SYNC1" },
+	{ .addr = CC1200_SYNC0,	.name = "SYNC0" },
+	{ .addr = CC1200_SYNC_CFG1,	.name = "SYNC_CFG1" },
+	{ .addr = CC1200_SYNC_CFG0,	.name = "SYNC_CFG0" },
+	{ .addr = CC1200_DEVIATION_M,	.name = "DEVIATION_M" },
+	{ .addr = CC1200_MODCFG_DEV_E,	.name = "MODCFG_DEV_E" },
+	{ .addr = CC1200_DCFILT_CFG,	.name = "DCFILT_CFG" },
+	{ .addr = CC1200_PREAMBLE_CFG1,	.name = "PREAMBLE_CFG1" },
+	{ .addr = CC1200_PREAMBLE_CFG0,	.name = "PREAMBLE_CFG0" },
+	{ .addr = CC1200_IQIC,	.name = "IQIC" },
+	{ .addr = CC1200_CHAN_BW,	.name = "CHAN_BW" },
+	{ .addr = CC1200_MDMCFG1,	.name = "MDMCFG1" },
+	{ .addr = CC1200_MDMCFG0,	.name = "MDMCFG0" },
+	{ .addr = CC1200_SYMBOL_RATE2,	.name = "SYMBOL_RATE2" },
+	{ .addr = CC1200_SYMBOL_RATE1,	.name = "SYMBOL_RATE1" },
+	{ .addr = CC1200_SYMBOL_RATE0,	.name = "SYMBOL_RATE0" },
+	{ .addr = CC1200_AGC_REF,	.name = "AGC_REF" },
+	{ .addr = CC1200_AGC_CS_THR,	.name = "AGC_CS_THR" },
+	{ .addr = CC1200_AGC_GAIN_ADJUST,	.name = "AGC_GAIN_ADJUST" },
+	{ .addr = CC1200_AGC_CFG3,	.name = "AGC_CFG3" },
+	{ .addr = CC1200_AGC_CFG2,	.name = "AGC_CFG2" },
+	{ .addr = CC1200_AGC_CFG1,	.name = "AGC_CFG1" },
+	{ .addr = CC1200_AGC_CFG0,	.name = "AGC_CFG0" },
+	{ .addr = CC1200_FIFO_CFG,	.name = "FIFO_CFG" },
+	{ .addr = CC1200_DEV_ADDR,	.name = "DEV_ADDR" },
+	{ .addr = CC1200_SETTLING_CFG,	.name = "SETTLING_CFG" },
+	{ .addr = CC1200_FS_CFG,	.name = "FS_CFG" },
+	{ .addr = CC1200_WOR_CFG1,	.name = "WOR_CFG1" },
+	{ .addr = CC1200_WOR_CFG0,	.name = "WOR_CFG0" },
+	{ .addr = CC1200_WOR_EVENT0_MSB,	.name = "WOR_EVENT0_MSB" },
+	{ .addr = CC1200_WOR_EVENT0_LSB,	.name = "WOR_EVENT0_LSB" },
+	{ .addr = CC1200_RXDCM_TIME,		.name = "RXDCM_TIME" },
+	{ .addr = CC1200_PKT_CFG2,	.name = "PKT_CFG2" },
+	{ .addr = CC1200_PKT_CFG1,	.name = "PKT_CFG1" },
+	{ .addr = CC1200_PKT_CFG0,	.name = "PKT_CFG0" },
+	{ .addr = CC1200_RFEND_CFG1,	.name = "RFEND_CFG1" },
+	{ .addr = CC1200_RFEND_CFG0,	.name = "RFEND_CFG0" },
+	{ .addr = CC1200_PA_CFG1,	.name = "PA_CFG1" },
+	{ .addr = CC1200_PA_CFG0,	.name = "PA_CFG0" },
+	{ .addr = CC1200_PKT_LEN,	.name = "PKT_LEN" },
+	{ .addr = CC1200_IF_MIX_CFG,	.name = "IF_MIX_CFG" },
+	{ .addr = CC1200_FREQOFF_CFG,	.name = "FREQOFF_CFG" },
+	{ .addr = CC1200_TOC_CFG,	.name = "TOC_CFG" },
+	{ .addr = CC1200_MARC_SPARE,	.name = "MARC_SPARE" },
+	{ .addr = CC1200_ECG_CFG,	.name = "ECG_CFG" },
+	{ .addr = CC1200_EXT_CTRL,	.name = "EXT_CTRL" },
+	{ .addr = CC1200_RCCAL_FINE,	.name = "RCCAL_FINE" },
+	{ .addr = CC1200_RCCAL_COARSE,	.name = "RCCAL_COARSE" },
+	{ .addr = CC1200_RCCAL_OFFSET,	.name = "RCCAL_OFFSET" },
+	{ .addr = CC1200_FREQOFF1,	.name = "FREQOFF1" },
+	{ .addr = CC1200_FREQOFF0,	.name = "FREQOFF0" },
+	{ .addr = CC1200_FREQ2,	.name = "FREQ2" },
+	{ .addr = CC1200_FREQ1,	.name = "FREQ1" },
+	{ .addr = CC1200_FREQ0,	.name = "FREQ0" },
+	{ .addr = CC1200_IF_ADC2,	.name = "IF_ADC2" },
+	{ .addr = CC1200_IF_ADC1,	.name = "IF_ADC1" },
+	{ .addr = CC1200_IF_ADC0,	.name = "IF_ADC0" },
+	{ .addr = CC1200_FS_DIG1,	.name = "FS_DIG1" },
+	{ .addr = CC1200_FS_DIG0,	.name = "FS_DIG0" },
+	{ .addr = CC1200_FS_CAL3,	.name = "FS_CAL3" },
+	{ .addr = CC1200_FS_CAL2,	.name = "FS_CAL2" },
+	{ .addr = CC1200_FS_CAL1,	.name = "FS_CAL1" },
+	{ .addr = CC1200_FS_CAL0,	.name = "FS_CAL0" },
+	{ .addr = CC1200_FS_CHP,	.name = "FS_CHP" },
+	{ .addr = CC1200_FS_DIVTWO,	.name = "FS_DIVTWO" },
+	{ .addr = CC1200_FS_DSM1,	.name = "FS_DSM1" },
+	{ .addr = CC1200_FS_DSM0,	.name = "FS_DSM0" },
+	{ .addr = CC1200_FS_DVC1,	.name = "FS_DVC1" },
+	{ .addr = CC1200_FS_DVC0,	.name = "FS_DVC0" },
+	{ .addr = CC1200_FS_LBI,	.name = "FS_LBI" },
+	{ .addr = CC1200_FS_PFD,	.name = "FS_PFD" },
+	{ .addr = CC1200_FS_PRE,	.name = "FS_PRE" },
+	{ .addr = CC1200_FS_REG_DIV_CML,	.name = "FS_REG_DIV_CML" },
+	{ .addr = CC1200_FS_SPARE,	.name = "FS_SPARE" },
+	{ .addr = CC1200_FS_VCO4,	.name = "FS_VCO4" },
+	{ .addr = CC1200_FS_VCO3,	.name = "FS_VCO3" },
+	{ .addr = CC1200_FS_VCO2,	.name = "FS_VCO2" },
+	{ .addr = CC1200_FS_VCO1,	.name = "FS_VCO1" },
+	{ .addr = CC1200_FS_VCO0,	.name = "FS_VCO0" },
+	{ .addr = CC1200_GBIAS6,	.name = "GBIAS6" },
+	{ .addr = CC1200_GBIAS5,	.name = "GBIAS5" },
+	{ .addr = CC1200_GBIAS4,	.name = "GBIAS4" },
+	{ .addr = CC1200_GBIAS3,	.name = "GBIAS3" },
+	{ .addr = CC1200_GBIAS2,	.name = "GBIAS2" },
+	{ .addr = CC1200_GBIAS1,	.name = "GBIAS1" },
+	{ .addr = CC1200_GBIAS0,	.name = "GBIAS0" },
+	{ .addr = CC1200_IFAMP,	.name = "IFAMP" },
+	{ .addr = CC1200_LNA,	.name = "LNA" },
+	{ .addr = CC1200_RXMIX,	.name = "RXMIX" },
+	{ .addr = CC1200_XOSC5,	.name = "XOSC5" },
+	{ .addr = CC1200_XOSC4,	.name = "XOSC4" },
+	{ .addr = CC1200_XOSC3,	.name = "XOSC3" },
+	{ .addr = CC1200_XOSC2,	.name = "XOSC2" },
+	{ .addr = CC1200_XOSC1,	.name = "XOSC1" },
+	{ .addr = CC1200_XOSC0,	.name = "XOSC0" },
+	{ .addr = CC1200_ANALOG_SPARE,	.name = "ANALOG_SPARE" },
+	{ .addr = CC1200_PA_CFG3,	.name = "PA_CFG3" },
+	{ .addr = CC1200_WOR_TIME1,	.name = "WOR_TIME1" },
+	{ .addr = CC1200_WOR_TIME0,	.name = "WOR_TIME0" },
+	{ .addr = CC1200_WOR_CAPTURE1,	.name = "WOR_CAPTURE1" },
+	{ .addr = CC1200_WOR_CAPTURE0,	.name = "WOR_CAPTURE0" },
+	{ .addr = CC1200_BIST,	.name = "BIST" },
+	{ .addr = CC1200_DCFILTOFFSET_I1,	.name = "DCFILTOFFSET_I1" },
+	{ .addr = CC1200_DCFILTOFFSET_I0,	.name = "DCFILTOFFSET_I0" },
+	{ .addr = CC1200_DCFILTOFFSET_Q1,	.name = "DCFILTOFFSET_Q1" },
+	{ .addr = CC1200_DCFILTOFFSET_Q0,	.name = "DCFILTOFFSET_Q0" },
+	{ .addr = CC1200_IQIE_I1,	.name = "IQIE_I1" },
+	{ .addr = CC1200_IQIE_I0,	.name = "IQIE_I0" },
+	{ .addr = CC1200_IQIE_Q1,	.name = "IQIE_Q1" },
+	{ .addr = CC1200_IQIE_Q0,	.name = "IQIE_Q0" },
+	{ .addr = CC1200_RSSI1,	.name = "RSSI1" },
+	{ .addr = CC1200_RSSI0,	.name = "RSSI0" },
+	{ .addr = CC1200_MARCSTATE,	.name = "MARCSTATE" },
+	{ .addr = CC1200_LQI_VAL,	.name = "LQI_VAL" },
+	{ .addr = CC1200_PQT_SYNC_ERR,	.name = "PQT_SYNC_ERR" },
+	{ .addr = CC1200_DEM_STATUS,	.name = "DEM_STATUS" },
+	{ .addr = CC1200_FREQOFF_EST1,	.name = "FREQOFF_EST1" },
+	{ .addr = CC1200_FREQOFF_EST0,	.name = "FREQOFF_EST0" },
+	{ .addr = CC1200_AGC_GAIN3,	.name = "AGC_GAIN3" },
+	{ .addr = CC1200_AGC_GAIN2,	.name = "AGC_GAIN2" },
+	{ .addr = CC1200_AGC_GAIN1,	.name = "AGC_GAIN1" },
+	{ .addr = CC1200_AGC_GAIN0,	.name = "AGC_GAIN0" },
+	{ .addr = CC1200_SOFT_RX_DATA_OUT,	.name = "SOFT_RX_DATA_OUT" },
+	{ .addr = CC1200_SOFT_TX_DATA_IN,	.name = "SOFT_TX_DATA_IN" },
+	{ .addr = CC1200_ASK_SOFT_RX_DATA,	.name = "ASK_SOFT_RX_DATA" },
+	{ .addr = CC1200_RNDGEN,	.name = "RNDGEN" },
+	{ .addr = CC1200_MAGN2,	.name = "MAGN2" },
+	{ .addr = CC1200_MAGN1,	.name = "MAGN1" },
+	{ .addr = CC1200_MAGN0,	.name = "MAGN0" },
+	{ .addr = CC1200_ANG1,	.name = "ANG1" },
+	{ .addr = CC1200_ANG0,	.name = "ANG0" },
+	{ .addr = CC1200_CHFILT_I2,	.name = "CHFILT_I2" },
+	{ .addr = CC1200_CHFILT_I1,	.name = "CHFILT_I1" },
+	{ .addr = CC1200_CHFILT_I0,	.name = "CHFILT_I0" },
+	{ .addr = CC1200_CHFILT_Q2,	.name = "CHFILT_Q2" },
+	{ .addr = CC1200_CHFILT_Q1,	.name = "CHFILT_Q1" },
+	{ .addr = CC1200_CHFILT_Q0,	.name = "CHFILT_Q0" },
+	{ .addr = CC1200_GPIO_STATUS,	.name = "GPIO_STATUS" },
+	{ .addr = CC1200_FSCAL_CTRL,	.name = "FSCAL_CTRL" },
+	{ .addr = CC1200_PHASE_ADJUST,	.name = "PHASE_ADJUST" },
+	{ .addr = CC1200_PARTNUMBER,	.name = "PARTNUMBER" },
+	{ .addr = CC1200_PARTVERSION,	.name = "PARTVERSION" },
+	{ .addr = CC1200_SERIAL_STATUS,	.name = "SERIAL_STATUS" },
+	{ .addr = CC1200_RX_STATUS,	.name = "RX_STATUS" },
+	{ .addr = CC1200_TX_STATUS,	.name = "TX_STATUS" },
+	{ .addr = CC1200_MARC_STATUS1,	.name = "MARC_STATUS1" },
+	{ .addr = CC1200_MARC_STATUS0,	.name = "MARC_STATUS0" },
+	{ .addr = CC1200_PA_IFAMP_TEST,	.name = "PA_IFAMP_TEST" },
+	{ .addr = CC1200_FSRF_TEST,	.name = "FSRF_TEST" },
+	{ .addr = CC1200_PRE_TEST,	.name = "PRE_TEST" },
+	{ .addr = CC1200_PRE_OVR,	.name = "PRE_OVR" },
+	{ .addr = CC1200_ADC_TEST,	.name = "ADC_TEST" },
+	{ .addr = CC1200_DVC_TEST,	.name = "DVC_TEST" },
+	{ .addr = CC1200_ATEST,	.name = "ATEST" },
+	{ .addr = CC1200_ATEST_LVDS,	.name = "ATEST_LVDS" },
+	{ .addr = CC1200_ATEST_MODE,	.name = "ATEST_MODE" },
+	{ .addr = CC1200_XOSC_TEST1,	.name = "XOSC_TEST1" },
+	{ .addr = CC1200_XOSC_TEST0,	.name = "XOSC_TEST0" },
+	{ .addr = CC1200_RXFIRST,	.name = "RXFIRST" },
+	{ .addr = CC1200_TXFIRST,	.name = "TXFIRST" },
+	{ .addr = CC1200_RXLAST,	.name = "RXLAST" },
+	{ .addr = CC1200_TXLAST,	.name = "TXLAST" },
+	{ .addr = CC1200_NUM_TXBYTES,	.name = "NUM_TXBYTES" },
+	{ .addr = CC1200_NUM_RXBYTES,	.name = "NUM_RXBYTES" },
+	{ .addr = CC1200_FIFO_NUM_TXBYTES,	.name = "FIFO_NUM_TXBYTES" },
+	{ .addr = CC1200_FIFO_NUM_RXBYTES,	.name = "FIFO_NUM_RXBYTES" },
+};
+
+#define AO_NUM_CC1200_REG	(sizeof ao_cc1200_reg / sizeof ao_cc1200_reg[0])
+
+static void ao_radio_show(void) {
+	uint8_t	status = ao_radio_status();
+	unsigned int	i;
+
+	ao_radio_get(0xff);
+	status = ao_radio_status();
+	printf ("Status:   %02x\n", status);
+	printf ("CHIP_RDY: %d\n", (status >> CC1200_STATUS_CHIP_RDY) & 1);
+	printf ("STATE:    %s\n", cc1200_state_name[(status >> CC1200_STATUS_STATE) & CC1200_STATUS_STATE_MASK]);
+	printf ("MARC:     %02x\n", ao_radio_get_marc_status());
+
+	for (i = 0; i < AO_NUM_CC1200_REG; i++)
+		printf ("\t%02x %-20.20s\n", ao_radio_reg_read(ao_cc1200_reg[i].addr), ao_cc1200_reg[i].name);
+
+	ao_radio_put();
+}
+
+static void ao_radio_beep(void) {
+	ao_radio_rdf();
+}
+
+static void ao_radio_packet(void) {
+	static const uint8_t packet[] = {
+#if 1
+		0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+		0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+		0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+		0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+#else
+		3, 1, 2, 3
+#endif
+	};
+
+	ao_radio_send(packet, sizeof (packet));
+}
+
+void
+ao_radio_test_recv(void)
+{
+	uint8_t	bytes[34];
+	uint8_t	b;
+
+	if (ao_radio_recv(bytes, 34, 0)) {
+		if (bytes[33] & 0x80)
+			printf ("CRC OK");
+		else
+			printf ("CRC BAD");
+		printf (" RSSI %d", AO_RSSI_FROM_RADIO(bytes[32]));
+		for (b = 0; b < 32; b++)
+			printf (" %02x", bytes[b]);
+		printf ("\n");
+	}
+}
+
+#if HAS_APRS
+#include <ao_aprs.h>
+
+static void
+ao_radio_aprs(void)
+{
+	ao_packet_slave_stop();
+	ao_aprs_send();
+}
+#endif
+#endif
+
+static void
+ao_radio_strobe_test(void)
+{
+	uint8_t	r;
+
+	ao_cmd_hex();
+	if (ao_cmd_status != ao_cmd_success)
+		return;
+	r = ao_radio_strobe(ao_cmd_lex_i);
+	printf ("Strobe %02x -> %02x (rdy %d state %d)\n",
+		ao_cmd_lex_i,
+		r,
+		r >> 7,
+		(r >> 4) & 0x7);
+}
+
+static void
+ao_radio_write_test(void)
+{
+	uint16_t	addr;
+	uint8_t		data;
+
+	ao_cmd_hex();
+	if (ao_cmd_status != ao_cmd_success)
+		return;
+	addr = ao_cmd_lex_i;
+	ao_cmd_hex();
+	if (ao_cmd_status != ao_cmd_success)
+		return;
+	data = ao_cmd_lex_i;
+	printf ("Write %04x = %02x\n", addr, data);
+	ao_radio_reg_write(addr, data);
+}
+
+static void
+ao_radio_read_test(void)
+{
+	uint16_t	addr;
+	uint8_t		data;
+
+	ao_cmd_hex();
+	if (ao_cmd_status != ao_cmd_success)
+		return;
+	addr = ao_cmd_lex_i;
+	data = ao_radio_reg_read(addr);
+	printf ("Read %04x = %02x\n", addr, data);
+}
+
+static const struct ao_cmds ao_radio_cmds[] = {
+	{ ao_radio_test_cmd,	"C <1 start, 0 stop, none both>\0Radio carrier test" },
+#if CC1200_DEBUG
+#if HAS_APRS
+	{ ao_radio_aprs,	"G\0Send APRS packet" },
+#endif
+	{ ao_radio_show,	"R\0Show CC1200 status" },
+	{ ao_radio_beep,	"b\0Emit an RDF beacon" },
+	{ ao_radio_packet,	"p\0Send a test packet" },
+	{ ao_radio_test_recv,	"q\0Recv a test packet" },
+#endif
+	{ ao_radio_strobe_test,	"S <value>\0Strobe radio" },
+	{ ao_radio_write_test,	"W <addr> <value>\0Write radio reg" },
+	{ ao_radio_read_test,	"R <addr>\0Read radio reg" },
+	{ 0, NULL }
+};
+
+void
+ao_radio_init(void)
+{
+	ao_radio_configured = 0;
+	ao_spi_init_cs (AO_CC1200_SPI_CS_PORT, (1 << AO_CC1200_SPI_CS_PIN));
+
+#if 0
+	AO_CC1200_SPI_CS_PORT->bsrr = ((uint32_t) (1 << AO_CC1200_SPI_CS_PIN));
+	for (i = 0; i < 10000; i++) {
+		if ((SPI_2_PORT->idr & (1 << SPI_2_MISO_PIN)) == 0)
+			break;
+	}
+	AO_CC1200_SPI_CS_PORT->bsrr = (1 << AO_CC1200_SPI_CS_PIN);
+	if (i == 10000)
+		ao_panic(AO_PANIC_SELF_TEST_CC1200);
+#endif
+
+	/* Enable the EXTI interrupt for the appropriate pin */
+	ao_enable_port(AO_CC1200_INT_PORT);
+	ao_exti_setup(AO_CC1200_INT_PORT, AO_CC1200_INT_PIN,
+		      AO_EXTI_MODE_FALLING|AO_EXTI_PRIORITY_HIGH,
+		      ao_radio_isr);
+
+	ao_cmd_register(&ao_radio_cmds[0]);
+}