esp-idf/components/esp_rom/linux/esp_rom_efuse.c

55 lines
976 B
C

/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "esp_rom_efuse.h"
static uint8_t esp_crc8(uint8_t const * p, uint32_t len)
{
unsigned char i = 0;
unsigned char crc = 0;
while (len--) {
crc = crc ^ (*p++);
for (i = 0; i < 8; i++) {
if ((crc) & 0x01) {
crc = (crc >> 1) ^ (0x8c) ;
} else {
crc = crc >> 1;
}
}
}
return (crc);
}
uint8_t esp_rom_efuse_mac_address_crc8(const uint8_t *data, uint32_t len)
{
return esp_crc8(data, len);
}
uint32_t esp_rom_efuse_get_flash_gpio_info(void)
{
return 0;
}
uint32_t esp_rom_efuse_get_flash_wp_gpio(void)
{
return 0;
}
#if SOC_SPI_MEM_SUPPORT_OPI_MODE
uint32_t esp_rom_efuse_get_opiconfig(void)
{
return 0;
}
#endif // SOC_SPI_MEM_SUPPORT_OPI_MODE
bool esp_rom_efuse_is_secure_boot_enabled(void)
{
return false;
}