116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/*
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N25Q128 Flash Driver - Copyright (C) 2016 Giovanni Di Sirio
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file hal_flash.c
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* @brief Generic flash driver class code.
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*
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* @addtogroup HAL_FLASH
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* @{
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*/
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#include "hal.h"
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#include "hal_flash.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief Waits until the current erase operation is finished.
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*
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* @param[in] devp pointer to a @p BaseFlash object
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* @param[in] cb polling callback or @p NULL
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*/
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flash_error_t flashWaitErase(BaseFlash *devp) {
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while (true) {
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flash_error_t err;
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uint32_t msec;
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/* Checking operation state.*/
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err = flashQueryErase(devp, &msec);
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if (err != FLASH_BUSY_ERASING) {
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return err;
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}
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/* Interval because nice waiting.*/
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osalThreadSleepMilliseconds(msec);
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}
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}
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/**
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* @brief Returns the offset of a sector.
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*/
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flash_offset_t flashGetSectorOffset(BaseFlash *devp,
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flash_sector_t sector) {
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flash_offset_t offset;
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const flash_descriptor_t *descriptor = flashGetDescriptor(devp);
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osalDbgAssert(sector < descriptor->sectors_count, "invalid sector");
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if (descriptor->sectors != NULL) {
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offset = descriptor->sectors[sector].offset;
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}
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else {
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offset = (flash_offset_t)sector * (flash_offset_t)descriptor->sectors_size;
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}
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return offset;
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}
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/**
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* @brief Returns the size of a sector.
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*/
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uint32_t flashGetSectorSize(BaseFlash *devp,
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flash_sector_t sector) {
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uint32_t size;
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const flash_descriptor_t *descriptor = flashGetDescriptor(devp);
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osalDbgAssert(sector < descriptor->sectors_count, "invalid sector");
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if (descriptor->sectors != NULL) {
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size = descriptor->sectors[sector].size;
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}
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else {
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size = descriptor->sectors_size;
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}
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return size;
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}
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/** @} */
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