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Support BLE memory release on ESP32C2

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This commit is contained in:
Rahul Tank 2022-10-27 17:54:52 +05:30
parent 919b3e621e
commit 6c4292f7b1
1 changed files with 56 additions and 2 deletions
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58
components/bt/controller/esp32c2/bt.c
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@ -10,6 +10,8 @@
#include <string.h>
#include "esp_random.h"
#include "esp_heap_caps.h"
#include "esp_heap_caps_init.h"
#include <esp_mac.h>
#include "sdkconfig.h"
@ -134,6 +136,14 @@ extern int ble_sm_alg_gen_dhkey(const uint8_t *peer_pub_key_x,
extern int ble_sm_alg_gen_key_pair(uint8_t *pub, uint8_t *priv);
extern int ble_txpwr_set(esp_ble_enhanced_power_type_t power_type, uint16_t handle, int power_level);
extern int ble_txpwr_get(esp_ble_enhanced_power_type_t power_type, uint16_t handle);
extern uint32_t _bt_bss_start;
extern uint32_t _bt_bss_end;
extern uint32_t _nimble_bss_start;
extern uint32_t _nimble_bss_end;
extern uint32_t _nimble_data_start;
extern uint32_t _nimble_data_end;
extern uint32_t _bt_data_start;
extern uint32_t _bt_data_end;
/* Local Function Declaration
*********************************************************************
@ -787,13 +797,57 @@ esp_err_t esp_bt_controller_disable(void)
esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
{
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "%s not implemented, return OK", __func__);
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "%s not implemented, return OK", __func__);
return ESP_OK;
}
static esp_err_t try_heap_caps_add_region(intptr_t start, intptr_t end)
{
int ret = heap_caps_add_region(start, end);
/* heap_caps_add_region() returns ESP_ERR_INVALID_SIZE if the memory region is
* is too small to fit a heap. This cannot be termed as a fatal error and hence
* we replace it by ESP_OK
*/
if (ret == ESP_ERR_INVALID_SIZE) {
return ESP_OK;
}
return ret;
}
esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
{
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "%s not implemented, return OK", __func__);
intptr_t mem_start, mem_end;
if (mode == ESP_BT_MODE_BLE) {
mem_start = (intptr_t)&_bt_bss_start;
mem_end = (intptr_t)&_bt_bss_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release BT BSS [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_bt_data_start;
mem_end = (intptr_t)&_bt_data_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release BT Data [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_nimble_bss_start;
mem_end = (intptr_t)&_nimble_bss_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release NimBLE BSS [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_nimble_data_start;
mem_end = (intptr_t)&_nimble_data_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release NimBLE Data [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
}
return ESP_OK;
}