1df85e0039
This change adds a check for compatibility between the nvs version found on nvs flash and the one assumed by running code during nvs initialization. Any mismatch is reported to the user using new error code ESP_ERR_NVS_NEW_VERSION_FOUND.
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "nvs_flash.h"
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#include "esp_bt.h"
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#include "driver/uart.h"
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#include "esp_log.h"
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static const char *tag = "CONTROLLER_UART_HCI";
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static void uart_gpio_reset(void)
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{
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#if CONFIG_BT_HCI_UART_NO == 1
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periph_module_enable(PERIPH_UART1_MODULE);
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#elif CONFIG_BT_HCI_UART_NO == 2
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periph_module_enable(PERIPH_UART2_MODULE);
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#endif
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periph_module_enable(PERIPH_UHCI0_MODULE);
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#ifdef CONFIG_BT_HCI_UART_NO
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ESP_LOGI(tag, "HCI UART%d Pin select: TX 5, RX, 18, CTS 23, RTS 19", CONFIG_BT_HCI_UART_NO);
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uart_set_pin(CONFIG_BT_HCI_UART_NO, 5, 18, 19, 23);
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#endif
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}
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void app_main()
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{
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esp_err_t ret;
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/* Initialize NVS — it is used to store PHY calibration data */
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ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK( ret );
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/* As the UART1/2 pin conflict with flash pin, so do matrix of the signal and pin */
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uart_gpio_reset();
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esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
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ret = esp_bt_controller_init(&bt_cfg);
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if (ret != ESP_OK) {
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ESP_LOGE(tag, "Bluetooth Controller initialize failed: %s", esp_err_to_name(ret));
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return;
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}
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ret = esp_bt_controller_enable(ESP_BT_MODE_BTDM);
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if (ret != ESP_OK) {
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ESP_LOGE(tag, "Bluetooth Controller initialize failed: %s", esp_err_to_name(ret));
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return;
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}
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}
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