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amiro-os / components / eeprom / eeprom.cpp @ 753ccd04

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1 58fe0e0b Thomas Schöpping
#include <ch.hpp>
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#include <hal.h>
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#include <amiro/eeprom/eeprom.hpp>
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namespace amiro {
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#if HAL_USE_I2C
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EEPROM::
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EEPROM(const struct BaseFileStreamVMT* vmt, size_t size, uint8_t page_size, uint16_t max_t_wr, uint8_t sla, I2CDriver* i2c_driver) :
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  error(EEPROM_ERROR_NONE),
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  position(0x00u),
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  size(size),
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  page_size(page_size),
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  max_t_wr(max_t_wr),
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  i2c_driver(i2c_driver) {
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#if CH_USE_MUTEXES
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  chMtxInit(&this->mutex);
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#elif CH_USE_SEMAPHORES
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  chSemInit(&this->semaphore, 1);
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#endif
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  this->bfs.vmt = vmt;
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  this->i2c_txparams.addr = sla;
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}
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#endif /* HAL_USE_I2C */
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#if HAL_USE_SPI
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EEPROM::
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EEPROM(const struct BaseFileStreamVMT* vmt, size_t size, uint8_t page_size, uint16_t max_t_wr, HWSPIDriver* spi_driver) :
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  error(EEPROM_ERROR_NONE),
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  position(0x00u),
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  size(size),
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  page_size(page_size),
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  max_t_wr(max_t_wr),
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  spi_driver(spi_driver) {
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#if CH_USE_MUTEXES
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  chMtxInit(&this->mutex);
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#elif CH_USE_SEMAPHORES
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  chSemInit(&this->semaphore, 1);
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#endif
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  this->bfs.vmt = vmt;
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}
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#endif /* HAL_USE_SPI */
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EEPROM::
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~EEPROM() {
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}
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void
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EEPROM::
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acquire() {
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#if CH_USE_MUTEXES
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  chMtxLock(&this->mutex);
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#elif CH_USE_SEMAPHORES
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  chSemWait(&this->semaphore);
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#endif
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}
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void
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EEPROM::
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release() {
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#if CH_USE_MUTEXES
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  chMtxUnlock();
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#elif CH_USE_SEMAPHORES
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  chSemSignal(&this->semaphore);
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#endif
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}
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int
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EEPROM::
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geterror(void* instance) {
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  return (int) ((EEPROM*) (instance))->error;
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}
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fileoffset_t
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EEPROM::
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getsize(void *instance) {
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  return ((EEPROM*) (instance))->size;
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}
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fileoffset_t
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EEPROM::
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getposition(void* instance) {
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  return ((EEPROM*) (instance))->position;
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}
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fileoffset_t
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EEPROM::
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lseek(void *instance, fileoffset_t offset) {
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  ((EEPROM*) (instance))->position = offset;
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  return FILE_OK;
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}
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};