h2zero/esp-nimble-cpp
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Conditionally compile code for specific roles.

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This allows NimBLE options in menuconfig to reduce code size based on
the roles selected (scan/advertising/central/peripheral).

Significant code space can be saved by removing unnecessary roles for the application.
This commit is contained in:
h2zero
2020-05-13 22:03:56 -06:00
parent 3d6f8b691e
commit 03cb7b21d9
53 changed files with 2335 additions and 2012 deletions
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68
src/NimBLEScan.cpp
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@@ -3,7 +3,7 @@
*
* Created: on Jan 24 2020
* Author H2zero
*
*
* Originally:
*
* BLEScan.cpp
@@ -14,6 +14,9 @@
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
#include "nimconfig.h"
#if defined(CONFIG_BT_NIMBLE_ROLE_OBSERVER)
#include "NimBLEScan.h"
#include "NimBLEUtils.h"
#include "NimBLEDevice.h"
@@ -40,7 +43,7 @@ static const char* LOG_TAG = "NimBLEScan";
* directed advertisement shall not be ignored if the InitA is a
* resolvable private address.
*/
//#define BLE_HCI_SCAN_FILT_NO_WL (0)
//#define BLE_HCI_SCAN_FILT_USE_WL (1)
//#define BLE_HCI_SCAN_FILT_NO_WL_INITA (2)
@@ -76,33 +79,33 @@ NimBLEScan::NimBLEScan() {
* @param [in] param Parameter data for this event.
*/
/*STATIC*/int NimBLEScan::handleGapEvent(ble_gap_event* event, void* arg) {
NimBLEScan* pScan = (NimBLEScan*)arg;
struct ble_hs_adv_fields fields;
int rc = 0;
switch(event->type) {
case BLE_GAP_EVENT_DISC: {
if(pScan->m_stopped) {
NIMBLE_LOGE(LOG_TAG, "Scan stop called, ignoring results.");
return 0;
}
if(pScan->m_stopped) {
NIMBLE_LOGE(LOG_TAG, "Scan stop called, ignoring results.");
return 0;
}
rc = ble_hs_adv_parse_fields(&fields, event->disc.data,
event->disc.length_data);
if (rc != 0) {
NIMBLE_LOGE(LOG_TAG, "Gap Event Parse ERROR.");
return 0;
}
NimBLEAddress advertisedAddress(event->disc.addr);
// Print advertisement data
// print_adv_fields(&fields);
// If we are not scanning, nothing to do with the extra results.
if (pScan->m_stopped) {
if (pScan->m_stopped) {
return 0;
}
@@ -111,9 +114,9 @@ NimBLEScan::NimBLEScan() {
NIMBLE_LOGI(LOG_TAG, "Ignoring device: address: %s", advertisedAddress.toString().c_str());
return 0;
}
NimBLEAdvertisedDevice* advertisedDevice = nullptr;
NimBLEAdvertisedDevice* advertisedDevice = nullptr;
// If we've seen this device before get a pointer to it from the map
auto it = pScan->m_scanResults.m_advertisedDevicesMap.find(advertisedAddress.toString());
if(it != pScan->m_scanResults.m_advertisedDevicesMap.cend()) {
@@ -134,7 +137,7 @@ NimBLEScan::NimBLEScan() {
else{
NIMBLE_LOGI(LOG_TAG, "UPDATING PREVIOUSLY FOUND DEVICE: %s", advertisedAddress.toString().c_str());
}
advertisedDevice->setRSSI(event->disc.rssi);
advertisedDevice->setRSSI(event->disc.rssi);
advertisedDevice->parseAdvertisement(&fields);
advertisedDevice->setScan(pScan);
advertisedDevice->setAdvertisementResult(event->disc.data, event->disc.length_data);
@@ -155,13 +158,13 @@ NimBLEScan::NimBLEScan() {
case BLE_GAP_EVENT_DISC_COMPLETE: {
NIMBLE_LOGD(LOG_TAG, "discovery complete; reason=%d",
event->disc_complete.reason);
if (pScan->m_scanCompleteCB != nullptr) {
pScan->m_scanCompleteCB(pScan->m_scanResults);
}
pScan->m_stopped = true;
pScan->m_semaphoreScanEnd.give();
pScan->m_semaphoreScanEnd.give();
return 0;
}
@@ -224,13 +227,13 @@ void NimBLEScan::setWindow(uint16_t windowMSecs) {
*/
bool NimBLEScan::start(uint32_t duration, void (*scanCompleteCB)(NimBLEScanResults), bool is_continue) {
NIMBLE_LOGD(LOG_TAG, ">> start(duration=%d)", duration);
// If Host is not synced we cannot start scanning.
if(!NimBLEDevice::m_synced) {
NIMBLE_LOGC(LOG_TAG, "Host reset, wait for sync.");
return false;
}
if(ble_gap_conn_active()) {
NIMBLE_LOGE(LOG_TAG, "Connection in progress - must wait.");
return false;
@@ -244,12 +247,12 @@ bool NimBLEScan::start(uint32_t duration, void (*scanCompleteCB)(NimBLEScanResul
m_stopped = false;
m_semaphoreScanEnd.take("start");
// Save the callback to be invoked when the scan completes.
m_scanCompleteCB = scanCompleteCB;
m_scanCompleteCB = scanCompleteCB;
// Save the duration in the case that the host is reset so we can reuse it.
m_duration = duration;
// If 0 duration specified then we assume a continuous scan is desired.
if(duration == 0){
duration = BLE_HS_FOREVER;
@@ -257,22 +260,22 @@ bool NimBLEScan::start(uint32_t duration, void (*scanCompleteCB)(NimBLEScanResul
else{
duration = duration*1000; // convert duration to milliseconds
}
// if we are connecting to devices that are advertising even after being connected, multiconnecting peripherals
// then we should not clear map or we will connect the same device few times
if(!is_continue) {
clearResults();
}
int rc = 0;
do{
rc = ble_gap_disc(m_own_addr_type, duration, &m_scan_params,
do{
rc = ble_gap_disc(m_own_addr_type, duration, &m_scan_params,
NimBLEScan::handleGapEvent, this);
if(rc == BLE_HS_EBUSY) {
vTaskDelay(2);
}
} while(rc == BLE_HS_EBUSY);
if (rc != 0 && rc != BLE_HS_EDONE) {
NIMBLE_LOGE(LOG_TAG, "Error initiating GAP discovery procedure; rc=%d, %s",
rc, NimBLEUtils::returnCodeToString(rc));
@@ -305,7 +308,7 @@ NimBLEScanResults NimBLEScan::start(uint32_t duration, bool is_continue) {
*/
void NimBLEScan::stop() {
NIMBLE_LOGD(LOG_TAG, ">> stop()");
int rc = ble_gap_disc_cancel();
if (rc != 0 && rc != BLE_HS_EALREADY) {
NIMBLE_LOGE(LOG_TAG, "Failed to cancel scan; rc=%d\n", rc);
@@ -313,13 +316,13 @@ void NimBLEScan::stop() {
}
m_stopped = true;
if (m_scanCompleteCB != nullptr) {
m_scanCompleteCB(m_scanResults);
}
m_semaphoreScanEnd.give();
NIMBLE_LOGD(LOG_TAG, "<< stop()");
} // stop
@@ -400,4 +403,5 @@ NimBLEAdvertisedDevice NimBLEScanResults::getDevice(uint32_t i) {
return dev;
}
#endif // #if defined(CONFIG_BT_NIMBLE_ROLE_OBSERVER)
#endif /* CONFIG_BT_ENABLED */