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drivers: ieee802154: b91: Kconfig update with new params.

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Added SET_TXRX_DELAY_US and CCA_RSSI_THRESHOLD params to Kconfig.

Signed-off-by: Yuriy Vynnychek <yura.vynnychek@telink-semi.com>
This commit is contained in:
Yuriy Vynnychek 2021-11-03 16:22:40 +02:00 • committed by Christopher Friedt
commit 4ae0165c8b
3 changed files with 18 additions and 7 deletions
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13
drivers/ieee802154/Kconfig.b91
View file

@ -22,6 +22,19 @@ config IEEE802154_B91_INIT_PRIO
Set the initialization priority number. Do not mess with it unless
you know what you are doing.
config IEEE802154_B91_SET_TXRX_DELAY_US
int "Tx/Rx modes switching delay time (us)"
default 120
help
Delay time needed for PLL stabilization during Tx/Rx modes switching.
config IEEE802154_B91_CCA_RSSI_THRESHOLD
int "CCA procedure RSSI threshold"
default -50
help
CCA procedure returns true if the current RSSI value is less than
this parameter.
config IEEE802154_B91_RANDOM_MAC
bool "Random MAC address"
default y

10
drivers/ieee802154/ieee802154_b91.c
View file

@ -244,7 +244,7 @@ static void b91_send_ack(uint8_t seq_num)
b91_set_tx_payload(ack_buf, sizeof(ack_buf));
rf_set_txmode();
delay_us(B91_SET_TRX_MODE_DELAY_US);
delay_us(CONFIG_IEEE802154_B91_SET_TXRX_DELAY_US);
rf_tx_pkt(data.tx_buffer);
}
@ -410,7 +410,7 @@ static int b91_cca(const struct device *dev)
unsigned int t1 = stimer_get_tick();
while (!clock_time_exceed(t1, B91_CCA_TIME_MAX_US)) {
if (rf_get_rssi() < B91_CCA_RSSI_MIN) {
if (rf_get_rssi() < CONFIG_IEEE802154_B91_CCA_RSSI_THRESHOLD) {
return 0;
}
}
@ -479,7 +479,7 @@ static int b91_start(const struct device *dev)
/* check if RF is already started */
if (!data.is_started) {
rf_set_rxmode();
delay_us(B91_SET_TRX_MODE_DELAY_US);
delay_us(CONFIG_IEEE802154_B91_SET_TXRX_DELAY_US);
riscv_plic_irq_enable(DT_INST_IRQN(0));
data.is_started = true;
}
@ -496,7 +496,7 @@ static int b91_stop(const struct device *dev)
if (data.is_started) {
riscv_plic_irq_disable(DT_INST_IRQN(0));
rf_set_tx_rx_off();
delay_us(B91_SET_TRX_MODE_DELAY_US);
delay_us(CONFIG_IEEE802154_B91_SET_TXRX_DELAY_US);
data.is_started = false;
}
@ -529,7 +529,7 @@ static int b91_tx(const struct device *dev,
/* start transmission */
rf_set_txmode();
delay_us(B91_SET_TRX_MODE_DELAY_US);
delay_us(CONFIG_IEEE802154_B91_SET_TXRX_DELAY_US);
rf_tx_pkt(data.tx_buffer);
/* wait for tx done */

2
drivers/ieee802154/ieee802154_b91.h
View file

@ -10,7 +10,6 @@
/* Timeouts */
#define B91_TX_WAIT_TIME_MS (10)
#define B91_ACK_WAIT_TIME_MS (10)
#define B91_SET_TRX_MODE_DELAY_US (100)
/* Received data parsing */
#define B91_PAYLOAD_OFFSET (5)
@ -39,7 +38,6 @@
#define B91_TRX_LENGTH (256)
#define B91_RSSI_TO_LQI_SCALE (3)
#define B91_RSSI_TO_LQI_MIN (-87)
#define B91_CCA_RSSI_MIN (-60)
#define B91_CCA_TIME_MAX_US (200)
#define B91_LOGIC_CHANNEL_TO_PHYSICAL(p) (((p) - 10) * 5)