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store a random mac address in flash

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Allows multiple controllers on one switch console
This commit is contained in:
Nathan 2020-04-29 02:03:12 -06:00
parent 5f7c484da1
commit e99d3c32cc
1 changed files with 34 additions and 4 deletions
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38
Firmware/BlueCubeModv2/main/main.c
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@ -11,6 +11,7 @@
#include "esp_bt_device.h"
#include "esp_bt.h"
#include "esp_err.h"
#include "esp_system.h"
#include "nvs.h"
#include "nvs_flash.h"
#include "esp_gap_bt_api.h"
@ -743,6 +744,35 @@ void vc_unplug_cb(void) {
ESP_LOGI(TAG, "host did a virtual cable unplug");
}
void set_bt_address()
{
//store a random mac address in flash
nvs_handle my_handle;
esp_err_t err;
uint8_t bt_addr[8];
err = nvs_open("storage", NVS_READWRITE, &my_handle);
if (err != ESP_OK) return err;
size_t addr_size = 0;
err = nvs_get_blob(my_handle, "mac_addr", NULL, &addr_size);
if (err != ESP_OK && err != ESP_ERR_NVS_NOT_FOUND) return err;
if (addr_size > 0) {
err = nvs_get_blob(my_handle, "mac_addr", bt_addr, &addr_size);
}
else
{
for(int i=0; i<8; i++)
bt_addr[i] = esp_random()%255;
size_t addr_size = sizeof(bt_addr);
err = nvs_set_blob(my_handle, "mac_addr", bt_addr, addr_size);
}
err = nvs_commit(my_handle);
nvs_close(my_handle);
esp_base_mac_addr_set(bt_addr);
}
void print_bt_address() {
const char* TAG = "bt_address";
const uint8_t* bd_addr;
@ -821,9 +851,7 @@ void app_main() {
io_conf.pull_up_en = 0;
//configure GPIO with the given settings
gpio_config(&io_conf);
//gap_callbacks = get_device_cb;
app_param.name = "BlueCubeMod";
app_param.description = "BlueCubeMod Example";
app_param.provider = "ESP32";
@ -846,7 +874,9 @@ void app_main() {
ret = nvs_flash_init();
}
ESP_ERROR_CHECK( ret );
set_bt_address();
ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_BLE));
esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();