iCE40/yosys - clone of https://github.com/YosysHQ/yosys

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author	Alberto Gonzalez <boqwxp@airmail.cc>	2020-04-22 22:04:22 +0000
committer	Alberto Gonzalez <boqwxp@airmail.cc>	2020-05-14 20:06:55 +0000
commit	35b94d1f664928dcf8476a9a6f35e2bb7f647ee1 (patch)
tree	8678b64ebd0713946ff17844a70b3d1b631fd223 /techlibs/intel/common
parent	e17329164904f05efa48be63fbb73ec8afdda8e4 (diff)
download	yosys-35b94d1f664928dcf8476a9a6f35e2bb7f647ee1.tar.gz yosys-35b94d1f664928dcf8476a9a6f35e2bb7f647ee1.tar.bz2 yosys-35b94d1f664928dcf8476a9a6f35e2bb7f647ee1.zip

kernel: Re-implement `dict` hash code as a `dict` member function instead of a specialized template for `hash_ops`.

Diffstat (limited to 'techlibs/intel/common')

0 files changed, 0 insertions, 0 deletions

/* Copyright (c) 2013 Timon Wong Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Copyright 2012 Uladzimir Pylinski aka barthess. You may use this work without restrictions, as long as this notice is included. The work is provided "as is" without warranty of any kind, neither express nor implied. */ /***************************************************************************** * DATASHEET NOTES ***************************************************************************** Write cycle time (byte or page) - 5 ms Note: Page write operations are limited to writing bytes within a single physical page, regardless of the number of bytes actually being written. Physical page boundaries start at addresses that are integer multiples of the page buffer size (or page size and end at addresses that are integer multiples of [page size]. If a Page Write command attempts to write across a physical page boundary, the result is that the data wraps around to the beginning of the current page (overwriting data previously stored there), instead of being written to the next page as might be expected. *********************************************************************/ #include "hal_ee24xx.h" #include <string.h> #if (defined(HAL_USE_EEPROM) && HAL_USE_EEPROM && EEPROM_USE_EE24XX) || defined(__DOXYGEN__) /* ****************************************************************************** * DEFINES ****************************************************************************** */ /* #if defined(SAM7_PLATFORM) #define EEPROM_I2C_CLOCK (MCK / (((i2cp->config->cwgr & 0xFF) + ((i2cp->config->cwgr >> 8) & 0xFF)) * (1 << ((i2cp->config->cwgr >> 16) & 7)) + 6)) #else #define EEPROM_I2C_CLOCK (i2cp->config->clock_speed) #endif */ #define EEPROM_I2C_CLOCK 400000 /* ****************************************************************************** * EXTERNS ****************************************************************************** */ /* ****************************************************************************** * GLOBAL VARIABLES ****************************************************************************** */ /* ******************************************************************************* * LOCAL FUNCTIONS ******************************************************************************* */ /** * @brief Split one uint16_t address to two uint8_t. * * @param[in] txbuf pointer to driver transmit buffer * @param[in] addr uint16_t address */ #define eeprom_split_addr(txbuf, addr){ \ (txbuf)[0] = ((uint8_t)((addr >> 8) & 0xFF)); \ (txbuf)[1] = ((uint8_t)(addr & 0xFF)); \ } /* ******************************************************************************* * EXPORTED FUNCTIONS ******************************************************************************* */ /** * @brief Calculates requred timeout. */ static systime_t calc_timeout(I2CDriver *i2cp, size_t txbytes, size_t rxbytes) { (void)i2cp; const uint32_t bitsinbyte = 10; uint32_t tmo; tmo = ((txbytes + rxbytes + 1) * bitsinbyte * 1000); tmo /= EEPROM_I2C_CLOCK; tmo += 10; /* some additional milliseconds to be safer */ return MS2ST(tmo); } /** * @brief EEPROM read routine. * * @param[in] eepcfg pointer to configuration structure of eeprom file * @param[in] offset addres of 1-st byte to be read * @param[in] data pointer to buffer with data to be written * @param[in] len number of bytes to be red */ static msg_t eeprom_read(const I2CEepromFileConfig *eepcfg, uint32_t offset, uint8_t *data, size_t len) { msg_t status = MSG_RESET; systime_t tmo = calc_timeout(eepcfg->i2cp, 2, len); osalDbgAssert(((len <= eepcfg->size) && ((offset + len) <= eepcfg->size)), "out of device bounds"); eeprom_split_addr(eepcfg->write_buf, (offset + eepcfg->barrier_low)); #if I2C_USE_MUTUAL_EXCLUSION i2cAcquireBus(eepcfg->i2cp); #endif status = i2cMasterTransmitTimeout(eepcfg->i2cp, eepcfg->addr, eepcfg->write_buf, 2, data, len, tmo);


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