ALPAKA/driver-w25qxxx
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Added block lock and unlock implementation

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This commit is contained in:
dario 2024-02-27 11:17:21 +01:00
parent b28e15daff
commit 28f1f1ecce
2 changed files with 70 additions and 1 deletions
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22
include/sta/sensors/w25qxx.hpp
View File

@ -58,12 +58,32 @@ namespace sta
*/
uint8_t setAddressMode(AddressMode addrMode);
/**
* @brief Get the Address Mode object
*
* @return AddressMode
*/
AddressMode getAddressMode();
/**
* @brief Get the Chip I D object
*
* @return uint8_t
*/
uint8_t getChipID();
/**
* @brief Get the Manufacturer I D object
*
* @return uint8_t
*/
uint8_t getManufacturerID();
/**
* @brief Get the Unique I D object
*
* @return uint64_t
*/
uint64_t getUniqueID();
// TODO: SFDP register?
@ -210,8 +230,10 @@ namespace sta
// Read security registers
// Indiv Block / Sector lock
uint8_t lockBlock(uint32_t address);
// Indiv Block / Sector unlock
uint8_t unlockBlock(uint32_t address);
// Indiv Block / Sector lock read

49
src/w25qxx.cpp
View File

@ -146,6 +146,8 @@ namespace sta
return 0;
}
while (!isWriteEnabled()) {}
if (addrMode_ == AddressMode::_32BIT)
{
uint8_t addrBuffer[4] = {
@ -256,6 +258,8 @@ namespace sta
return 0;
}
while (!isWriteEnabled()) {}
if (!nonvolatile)
{
uint8_t rslt = writeVolatileEnable();
@ -286,7 +290,10 @@ namespace sta
bool W25Qxx::isWriteEnabled()
{
return true; // TODO
uint8_t status = 0;
readStatusRegister(1, &status);
return (0x02 && status) == 0x02;
}
uint8_t W25Qxx::sectorErase(uint32_t address)
@ -296,6 +303,8 @@ namespace sta
return 0;
}
while (!isWriteEnabled()) {}
if (addrMode_ == AddressMode::_32BIT)
{
uint8_t addrBuffer[4] = {
@ -328,6 +337,8 @@ namespace sta
return 0;
}
while (!isWriteEnabled()) {}
uint8_t instruction = blockSize == BlockSize::_32KB ? W25QXX_BLOCK_ERASE_32_KB : W25QXX_BLOCK_ERASE_64_KB;
if (addrMode_ == AddressMode::_32BIT)
@ -389,4 +400,40 @@ namespace sta
return 0;
}
uint8_t W25Qxx::lockBlock(uint32_t address)
{
if (!writeEnable())
{
return 0;
}
while (!isWriteEnabled()) {}
uint8_t addrBuffer[3] = {
(uint8_t) (address << 16),
(uint8_t) (address << 8),
(uint8_t) (address)
};
return busWrite(W25QXX_INDIV_BLOCK_LOCK, addrBuffer, 3);
}
uint8_t W25Qxx::unlockBlock(uint32_t address)
{
if (!writeEnable())
{
return 0;
}
while (!isWriteEnabled()) {}
uint8_t addrBuffer[3] = {
(uint8_t) (address << 16),
(uint8_t) (address << 8),
(uint8_t) (address)
};
return busWrite(W25QXX_INDIV_BLOCK_UNLOCK, addrBuffer, 3);
}
} // namespace sta