Commit e41de923 authored by Stancu Florin's avatar Stancu Florin Committed by Stephanos Ioannidis
Browse files

drivers: ieee802154: cc13xx_cc26xx_subg: PA TX amplifier support 



Enhance IEEE802154 Sub-GHz driver to support CC13x2P's internal power
amplifier (20dBm) for TX.

Note: requires board-specific antenna switching for it to work
properly.

Signed-off-by: default avatarStancu Florin <niflostancu@gmail.com>
parent 9f6d8c1c

drivers/ieee802154/ieee802154_cc13xx_cc26xx_subg.c

+151 −31
Original line number Diff line number Diff line
@@ -45,8 +45,15 @@ static int ieee802154_cc13xx_cc26xx_subg_rx( 
static void ieee802154_cc13xx_cc26xx_subg_setup_rx_buffers(

	struct ieee802154_cc13xx_cc26xx_subg_data *drv_data);



/* Overrides from SmartRF Studio 7 2.18.0 */

static uint32_t overrides_sub_ghz[] = {

#ifndef CMD_PROP_RADIO_DIV_SETUP_PA

/* workaround for older HAL TI SDK (less than 4.40) */

#define CMD_PROP_RADIO_DIV_SETUP_PA CMD_PROP_RADIO_DIV_SETUP

#endif



/* Radio values for CC13x2R (note: CC26x2 does not support sub-GHz radio) */

#if defined(CONFIG_SOC_CC1352R)

/* R overrides from SmartRF Studio (200kbps, 50kHz deviation, 2-GFSK, 311.8kHz Rx BW) */

static uint32_t ieee802154_cc13xx_overrides_sub_ghz[] = {

	/* DC/DC regulator: In Tx, use DCDCCTL5[3:0]=0x7 (DITHER_EN=0 and IPEAK=7). */

	(uint32_t)0x00F788D3,

	/* Set RF_FSCA.ANADIV.DIV_SEL_BIAS = 1. Bits [0:16, 24, 30] are don't care.. */
@@ -55,11 +62,13 @@ static uint32_t overrides_sub_ghz[] = { 
	(uint32_t)0x08141131,

	/* Tx: Configure PA ramp time, PACTL2.RC=0x3 (in ADI0, set PACTL2[4:3]=0x3) */

	ADI_2HALFREG_OVERRIDE(0, 16, 0x8, 0x8, 17, 0x1, 0x1),

	/* Tx: Configure PA ramping, set wait time before turning off (0x1A ticks of 16/24 us = 17.3 us). */

	/* Tx: Configure PA ramping, set wait time before turning off */

	/* (0x1A ticks of 16/24 us = 17.3 us). */

	HW_REG_OVERRIDE(0x6028, 0x001A),

	/* Rx: Set AGC reference level to 0x16 (default: 0x2E) */

	HW_REG_OVERRIDE(0x609C, 0x0016),

	/* Rx: Set RSSI offset to adjust reported RSSI by -1 dB (default: -2), trimmed for external bias and differential configuration */

	/* Rx: Set RSSI offset to adjust reported RSSI by -1 dB (default: -2), */

	/* trimmed for external bias and differential configuration */

	(uint32_t)0x000188A3,

	/* Rx: Set anti-aliasing filter bandwidth to 0x8 (in ADI0, set IFAMPCTL3[7:4]=0x8) */

	ADI_HALFREG_OVERRIDE(0, 61, 0xF, 0x8),
@@ -68,10 +77,126 @@ static uint32_t overrides_sub_ghz[] = { 
	(uint32_t)0xFFFFFFFF

};



/** RF patches to use (note: RF core keeps a pointer to this, so no stack). */

static RF_Mode rf_mode = {

	.rfMode = RF_MODE_MULTIPLE,

	.cpePatchFxn = &rf_patch_cpe_multi_protocol,

/* Radio setup command for CC1312R / CC1352R */

static volatile rfc_CMD_PROP_RADIO_DIV_SETUP_t ieee802154_cc13xx_radio_div_setup = {

	.commandNo = CMD_PROP_RADIO_DIV_SETUP,

	.condition.rule = COND_NEVER,

	.modulation.modType = 1, /* FSK */

	.modulation.deviation = 200,

	.symbolRate.preScale = 15,

	.symbolRate.rateWord = 131072,

	.rxBw = 0x59,                   /* 310.8 kHz */

	.preamConf.nPreamBytes = 7,

	.formatConf.nSwBits = 24,       /* 24-bit of syncword */

	.formatConf.bMsbFirst = true,

	.formatConf.whitenMode = 7,

	.config.biasMode = true,

	.formatConf.bMsbFirst = true,

	.txPower = 0x013f, /* from Smart RF Studio */

	.centerFreq = 915,

	.intFreq = 0x0999,

	.loDivider = 5,

	.pRegOverride = ieee802154_cc13xx_overrides_sub_ghz,

};



/* Sub GHz power table */

static const RF_TxPowerTable_Entry txPowerTable_sub_ghz[] = {

	{ -20, RF_TxPowerTable_DEFAULT_PA_ENTRY(0, 3, 0, 2) },

	{ -15, RF_TxPowerTable_DEFAULT_PA_ENTRY(1, 3, 0, 3) },

	{ -10, RF_TxPowerTable_DEFAULT_PA_ENTRY(2, 3, 0, 5) },

	{ -5, RF_TxPowerTable_DEFAULT_PA_ENTRY(4, 3, 0, 5) },

	{ 0, RF_TxPowerTable_DEFAULT_PA_ENTRY(8, 3, 0, 8) },

	{ 1, RF_TxPowerTable_DEFAULT_PA_ENTRY(9, 3, 0, 9) },

	{ 2, RF_TxPowerTable_DEFAULT_PA_ENTRY(10, 3, 0, 9) },

	{ 3, RF_TxPowerTable_DEFAULT_PA_ENTRY(11, 3, 0, 10) },

	{ 4, RF_TxPowerTable_DEFAULT_PA_ENTRY(13, 3, 0, 11) },

	{ 5, RF_TxPowerTable_DEFAULT_PA_ENTRY(14, 3, 0, 14) },

	{ 6, RF_TxPowerTable_DEFAULT_PA_ENTRY(17, 3, 0, 16) },

	{ 7, RF_TxPowerTable_DEFAULT_PA_ENTRY(20, 3, 0, 19) },

	{ 8, RF_TxPowerTable_DEFAULT_PA_ENTRY(24, 3, 0, 22) },

	{ 9, RF_TxPowerTable_DEFAULT_PA_ENTRY(28, 3, 0, 31) },

	{ 10, RF_TxPowerTable_DEFAULT_PA_ENTRY(18, 2, 0, 31) },

	{ 11, RF_TxPowerTable_DEFAULT_PA_ENTRY(26, 2, 0, 51) },

	{ 12, RF_TxPowerTable_DEFAULT_PA_ENTRY(16, 0, 0, 82) },

	{ 13, RF_TxPowerTable_DEFAULT_PA_ENTRY(36, 0, 0, 89) },

#ifdef CC13X2_CC26X2_BOOST_MODE

	{ 14, RF_TxPowerTable_DEFAULT_PA_ENTRY(63, 0, 1, 0) },

#endif

	RF_TxPowerTable_TERMINATION_ENTRY

};



/* Radio values for CC13X2P */

#elif defined(CONFIG_SOC_CC1352P)

/* CC1352P overrides from SmartRF Studio (200kbps, 50kHz deviation, 2-GFSK, 311.8kHz Rx BW) */

static uint32_t ieee802154_cc13xx_overrides_sub_ghz[] = {

	/* Tx: Configure PA ramp time, PACTL2.RC=0x3 (in ADI0, set PACTL2[4:3]=0x1) */

	ADI_2HALFREG_OVERRIDE(0, 16, 0x8, 0x8, 17, 0x1, 0x0),

	/* Rx: Set AGC reference level to 0x16 (default: 0x2E) */

	HW_REG_OVERRIDE(0x609C, 0x0016),

	/* Rx: Set RSSI offset to adjust reported RSSI by -1 dB (default: -2), trimmed */

	/* for external bias and differential configuration */

	(uint32_t)0x000188A3,

	/* Rx: Set anti-aliasing filter bandwidth to 0x6 (in ADI0, set IFAMPCTL3[7:4]=0x8) */

	ADI_HALFREG_OVERRIDE(0, 61, 0xF, 0x8),

	/* override_prop_common_sub1g.xml */

	/* Set RF_FSCA.ANADIV.DIV_SEL_BIAS = 1. Bits [0:16, 24, 30] are don't care.. */

	(uint32_t)0x4001405D,

	/* Set RF_FSCA.ANADIV.DIV_SEL_BIAS = 1. Bits [0:16, 24, 30] are don't care.. */

	(uint32_t)0x08141131,

	/* override_prop_common.xml */

	/* DC/DC regulator: In Tx with 14 dBm PA setting, use DCDCCTL5[3:0]=0xF */

	/* (DITHER_EN=1 and IPEAK=7). In Rx, use default settings. */

	(uint32_t)0x00F788D3,

	/* TX power override */

	/* Tx: Set PA trim to max to maximize its output power (in ADI0, set PACTL0=0xF8) */

	ADI_REG_OVERRIDE(0, 12, 0xF8),

	(uint32_t)0xFFFFFFFF

};

static uint32_t rf_prop_overrides_tx_std[] = {

	/* The TX Power element should always be the first in the list */

	TX_STD_POWER_OVERRIDE(0xB224),

	/* The ANADIV radio parameter based on the LO divider (0) and front-end (0) settings */

	(uint32_t)0x11310703,

	/* override_phy_tx_pa_ramp_genfsk_std.xml */

	/* Tx: Configure PA ramping, set wait time before turning off */

	/* (0x1A ticks of 16/24 us = 17.3 us). */

	HW_REG_OVERRIDE(0x6028, 0x001A),

	(uint32_t)0xFFFFFFFF

};

static uint32_t rf_prop_overrides_tx_20[] = {

	/* The TX Power element should always be the first in the list */

	TX20_POWER_OVERRIDE(0x001B8ED2),

	/* The ANADIV radio parameter based on the LO divider (0) and front-end (0) settings */

	(uint32_t)0x11C10703,

	/* override_phy_tx_pa_ramp_genfsk_hpa.xml */

	/* Tx: Configure PA ramping, set wait time before turning off */

	/* (0x1F ticks of 16/24 us = 20.3 us). */

	HW_REG_OVERRIDE(0x6028, 0x001F),

	(uint32_t)0xFFFFFFFF

};



/* Radio setup command for CC1312R / CC1352R */

static volatile rfc_CMD_PROP_RADIO_DIV_SETUP_PA_t ieee802154_cc13xx_radio_div_setup = {

	.commandNo = CMD_PROP_RADIO_DIV_SETUP_PA,

	.condition.rule = COND_NEVER,

	.modulation.modType = 1, /* FSK */

	.modulation.deviation = 200,

	.symbolRate.preScale = 15,

	.symbolRate.rateWord = 131072,

	.rxBw = 0x59,                   /* 310.8 kHz */

	.preamConf.nPreamBytes = 7,

	.formatConf.nSwBits = 24,       /* 24-bit of syncword */

	.formatConf.bMsbFirst = true,

	.formatConf.whitenMode = 7,

	.config.biasMode = true,

	.formatConf.bMsbFirst = true,

	.txPower = 0x013f, /* from Smart RF Studio */

	.centerFreq = 915,

	.intFreq = 0x0C00,

	.loDivider = 5,

	.pRegOverride = ieee802154_cc13xx_overrides_sub_ghz,

	.pRegOverrideTxStd = rf_prop_overrides_tx_std,

	.pRegOverrideTx20 = rf_prop_overrides_tx_20,

};



/* Sub GHz power table */
@@ -94,10 +219,27 @@ static const RF_TxPowerTable_Entry txPowerTable_sub_ghz[] = { 
	{ 11, RF_TxPowerTable_DEFAULT_PA_ENTRY(26, 2, 0, 51) },

	{ 12, RF_TxPowerTable_DEFAULT_PA_ENTRY(16, 0, 0, 82) },

	{ 13, RF_TxPowerTable_DEFAULT_PA_ENTRY(36, 0, 0, 89) },

#ifdef CC13X2_CC26X2_BOOST_MODE

	{ 14, RF_TxPowerTable_DEFAULT_PA_ENTRY(63, 0, 1, 0) },

#endif

	{ 15, RF_TxPowerTable_HIGH_PA_ENTRY(18, 0, 0, 36, 0) },

	{ 16, RF_TxPowerTable_HIGH_PA_ENTRY(24, 0, 0, 43, 0) },

	{ 17, RF_TxPowerTable_HIGH_PA_ENTRY(28, 0, 0, 51, 2) },

	{ 18, RF_TxPowerTable_HIGH_PA_ENTRY(34, 0, 0, 64, 4) },

	{ 19, RF_TxPowerTable_HIGH_PA_ENTRY(15, 3, 0, 36, 4) },

	{ 20, RF_TxPowerTable_HIGH_PA_ENTRY(18, 3, 0, 71, 27) },

	RF_TxPowerTable_TERMINATION_ENTRY

};



#endif /* CONFIG_SOC_CC1352* */



/** RF patches to use (note: RF core keeps a pointer to this, so no stack). */

static RF_Mode rf_mode = {

	.rfMode = RF_MODE_MULTIPLE,

	.cpePatchFxn = &rf_patch_cpe_multi_protocol,

};





static inline int ieee802154_cc13xx_cc26xx_subg_channel_to_frequency(

	uint16_t channel, uint16_t *frequency, uint16_t *fractFreq)

{
@@ -638,7 +780,7 @@ static int ieee802154_cc13xx_cc26xx_subg_init(const struct device *dev) 
	rf_params.pClientEventCb = client_event_callback;



	drv_data->rf_handle = RF_open(&drv_data->rf_object,

		&rf_mode, (RF_RadioSetup *)&drv_data->cmd_prop_radio_div_setup,

		&rf_mode, (RF_RadioSetup *)&ieee802154_cc13xx_radio_div_setup,

		&rf_params);

	if (drv_data->rf_handle == NULL) {

		LOG_ERR("RF_open() failed");
@@ -679,28 +821,6 @@ static struct ieee802154_cc13xx_cc26xx_subg_data 
		.pQueue = &ieee802154_cc13xx_cc26xx_subg_data.rx_queue,

	},



	/* Sub-GHz Radio Commands */

	.cmd_prop_radio_div_setup = {

		.commandNo = CMD_PROP_RADIO_DIV_SETUP,

		.condition.rule = COND_NEVER,

		.modulation.modType = 1, /* FSK */

		.modulation.deviation = 200,

		.symbolRate.preScale = 15,

		.symbolRate.rateWord = 131072,

		.rxBw = 0x59,                   /* 310.8 kHz */

		.preamConf.nPreamBytes = 7,

		.formatConf.nSwBits = 24,       /* 24-bit of syncword */

		.formatConf.bMsbFirst = true,

		.formatConf.whitenMode = 7,

		.config.biasMode = true,

		.formatConf.bMsbFirst = true,

		.txPower = 0x013f, /* from Smart RF Studio */

		.centerFreq = 915,

		.intFreq = 0x0999,

		.loDivider = 5,

		.pRegOverride = overrides_sub_ghz,

	},



	.cmd_fs = {

		.commandNo = CMD_FS,

		.condition.rule = COND_NEVER,

drivers/ieee802154/ieee802154_cc13xx_cc26xx_subg.h

+0 −1
Original line number Diff line number Diff line
@@ -87,7 +87,6 @@ struct ieee802154_cc13xx_cc26xx_subg_data { 
	volatile rfc_CMD_FS_t cmd_fs;



	/* Sub-GHz Radio Commands */

	volatile rfc_CMD_PROP_RADIO_DIV_SETUP_t cmd_prop_radio_div_setup;

	volatile rfc_CMD_PROP_RX_ADV_t cmd_prop_rx_adv;

	volatile rfc_CMD_PROP_TX_ADV_t cmd_prop_tx_adv;

	volatile rfc_propRxOutput_t cmd_prop_rx_adv_output;

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