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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 Set the initialization priority number. Do not mess with it unless
you know what you are doing. 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 config IEEE802154_B91_RANDOM_MAC
bool "Random MAC address" bool "Random MAC address"
default y 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)); b91_set_tx_payload(ack_buf, sizeof(ack_buf));
rf_set_txmode(); 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); rf_tx_pkt(data.tx_buffer);
} }
@ -410,7 +410,7 @@ static int b91_cca(const struct device *dev)
unsigned int t1 = stimer_get_tick(); unsigned int t1 = stimer_get_tick();
while (!clock_time_exceed(t1, B91_CCA_TIME_MAX_US)) { 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; return 0;
} }
} }
@ -479,7 +479,7 @@ static int b91_start(const struct device *dev)
/* check if RF is already started */ /* check if RF is already started */
if (!data.is_started) { if (!data.is_started) {
rf_set_rxmode(); 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)); riscv_plic_irq_enable(DT_INST_IRQN(0));
data.is_started = true; data.is_started = true;
} }
@ -496,7 +496,7 @@ static int b91_stop(const struct device *dev)
if (data.is_started) { if (data.is_started) {
riscv_plic_irq_disable(DT_INST_IRQN(0)); riscv_plic_irq_disable(DT_INST_IRQN(0));
rf_set_tx_rx_off(); 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; data.is_started = false;
} }
@ -529,7 +529,7 @@ static int b91_tx(const struct device *dev,
/* start transmission */ /* start transmission */
rf_set_txmode(); 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); rf_tx_pkt(data.tx_buffer);
/* wait for tx done */ /* wait for tx done */

2
drivers/ieee802154/ieee802154_b91.h
View file

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