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Security personalizer rewritten (#794)

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* Removed ability to lock data section
* Introduced "guided mode" to simplify process
* Refactored the sketch to be less monolithic
* Print details and instructions in tables
* Use device unique ID as serial when
* Calculate and store personalization checksum
* Print serial in a copy+paste friendly manner (fixes #804)
* Clarify meaning of UART confirmation (fixes #805)
This commit is contained in:
Patrick Fallberg
2017-04-02 15:37:21 +02:00
committed by GitHub
parent 3350d79fe6
commit 7e6db413c7
14 changed files with 1794 additions and 954 deletions
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drivers/extEEPROM/extEEPROM.cpp
+7 -8
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@@ -122,16 +122,16 @@ byte extEEPROM::begin(twiClockFreq_t twiFreq)
//from the Arduino Wire library is passed back through to the caller.
byte extEEPROM::write(unsigned long addr, byte *values, unsigned int nBytes)
{
uint8_t ctrlByte; //control byte (I2C device address & chip/block select bits)
uint8_t txStatus = 0; //transmit status
uint16_t nWrite; //number of bytes to write
uint16_t nPage; //number of bytes remaining on current page, starting at addr
if (addr + nBytes > _totalCapacity) { //will this write go past the top of the EEPROM?
return EEPROM_ADDR_ERR; //yes, tell the caller
}
while (nBytes > 0) {
uint8_t ctrlByte; //control byte (I2C device address & chip/block select bits)
uint16_t nWrite; //number of bytes to write
uint16_t nPage; //number of bytes remaining on current page, starting at addr
nPage = _pageSize - ( addr & (_pageSize - 1) );
//find min(nBytes, nPage, BUFFER_LENGTH) -- BUFFER_LENGTH is defined in the Wire library.
nWrite = nBytes < nPage ? nBytes : nPage;
@@ -178,16 +178,15 @@ byte extEEPROM::write(unsigned long addr, byte *values, unsigned int nBytes)
//from the Arduino Wire library is passed back through to the caller.
byte extEEPROM::read(unsigned long addr, byte *values, unsigned int nBytes)
{
byte ctrlByte;
byte rxStatus;
uint16_t nRead; //number of bytes to read
uint16_t nPage; //number of bytes remaining on current page, starting at addr
if (addr + nBytes > _totalCapacity) { //will this read take us past the top of the EEPROM?
return EEPROM_ADDR_ERR; //yes, tell the caller
}
while (nBytes > 0) {
byte ctrlByte;
byte rxStatus;
uint16_t nRead; //number of bytes to read
uint16_t nPage; //number of bytes remaining on current page, starting at addr
nPage = _pageSize - ( addr & (_pageSize - 1) );
nRead = nBytes < nPage ? nBytes : nPage;
nRead = BUFFER_LENGTH < nRead ? BUFFER_LENGTH : nRead;