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Make advertisement intervals configurable

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We were previously relying on the default values (100ms, 150ms). This
PR makes it easier to test and configure parameters for different
tradeoffs between range / power consumption (#98).
This commit is contained in:
rbaron 2023-01-28 11:42:57 +01:00
parent 41ba531fba
commit 28db7224a6
2 changed files with 18 additions and 2 deletions
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8
code/nrf-connect/samples/ble/Kconfig
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@ -10,6 +10,14 @@ config PRST_BLE_ADV_DURATION_SEC
int "Advertising duration in seconds" int "Advertising duration in seconds"
default 1 default 1
config PRST_BLE_MIN_ADV_INTERVAL
int "Minimum advertising interval in milliseconds"
default 100
config PRST_BLE_MAX_ADV_INTERVAL
int "Maximum advertising interval in milliseconds"
default 150
choice PRST_BLE_ENCODING choice PRST_BLE_ENCODING
prompt "b-parasite BLE encoding" prompt "b-parasite BLE encoding"
default PRST_BLE_ENCODING_BPARASITE_V2 default PRST_BLE_ENCODING_BPARASITE_V2

12
code/nrf-connect/samples/ble/src/ble.c
View file

@ -55,12 +55,20 @@ int prst_ble_init() {
return 0; return 0;
} }
#define PRST_MS_TO_INTERVAL(value_ms) ((uint16_t)(value_ms) / 0.625f)
int prst_ble_adv_start() { int prst_ble_adv_start() {
// If BT_LE_ADV_NCONN_IDENTITY, this function will advertise with a static MAC // If BT_LE_ADV_NCONN_IDENTITY, this function will advertise with a static MAC
// address programmed in the chip. If BT_LE_ADV_NCONN, this function returns // address programmed in the chip. If BT_LE_ADV_NCONN, this function returns
// advertises with a random MAC each time. // advertises with a random MAC each time.
return bt_le_adv_start(BT_LE_ADV_NCONN_IDENTITY, ad, ARRAY_SIZE(ad), sd, return bt_le_adv_start(
ARRAY_SIZE(sd)); BT_LE_ADV_PARAM(
BT_LE_ADV_OPT_USE_IDENTITY,
PRST_MS_TO_INTERVAL(CONFIG_PRST_BLE_MIN_ADV_INTERVAL),
PRST_MS_TO_INTERVAL(CONFIG_PRST_BLE_MAX_ADV_INTERVAL),
NULL),
ad, ARRAY_SIZE(ad), sd,
ARRAY_SIZE(sd));
} }
int prst_ble_adv_stop() { int prst_ble_adv_stop() {