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65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/*
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* Copyright (C) 2018 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_esp8266_sdk
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* @{
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*
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* @file
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* @brief ESP8266 user defined SDK functions
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*
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* @author Gunar Schorcht <gunar@schorcht.net>
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* @}
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*/
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#include "c_types.h"
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#include "common.h"
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#include "cpu_conf.h"
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#include "esp/uart_regs.h"
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#include "spi_flash.h"
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#include "sdk/rom.h"
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#include "sdk/user.h"
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uint32_t __attribute__((weak)) user_rf_cal_sector_set(void)
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{
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uint32_t sec_num = flashchip->chip_size / flashchip->sector_size;
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return sec_num - 5;
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}
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#ifndef MODULE_ESP_SDK
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void uart_tx_flush (uint32_t num)
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{
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while ((UART(num).STATUS >> UART_STATUS_TXFIFO_COUNT_S) & UART_STATUS_TXFIFO_COUNT_M) {}
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}
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/**
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* Following code is completly or at least partially from
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* https://github.com/pvvx/esp8266web
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* (c) PV` 2015
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*
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* @{
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*/
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void IRAM system_set_pll (uint8_t crystal_26m_en)
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{
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if(rom_i2c_readReg(103,4,1) != 136) { /* 8: 40MHz, 136: 26MHz */
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if (crystal_26m_en == 1) { /* 0: 40MHz, 1: 26MHz */
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/* set 80MHz PLL CPU */
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rom_i2c_writeReg(103,4,1,136);
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rom_i2c_writeReg(103,4,2,145);
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}
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}
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}
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/** @} */
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#endif
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