// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "sdkconfig.h" #include "esp32c3/rom/spi_flash.h" #include "soc/spi_periph.h" #include "spi_flash_defs.h" #define SPI_IDX 1 esp_rom_spiflash_result_t esp_rom_spiflash_write_disable(void) { REG_WRITE(SPI_MEM_CMD_REG(SPI_IDX), SPI_MEM_FLASH_WRDI); while (READ_PERI_REG(PERIPHS_SPI_FLASH_CMD) != 0); return ESP_ROM_SPIFLASH_RESULT_OK; }