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Sensebender OTA fix

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- fix OTA updates
- update flash driver
This commit is contained in:
tekka007
2015-07-21 17:39:51 +02:00
parent 0656b03876
commit 76493ff6a7
3 changed files with 194 additions and 113 deletions
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libraries/MySensors/MySensor.cpp
+36 -24
View File
@@ -74,24 +74,21 @@ MySensor::MySensor(MyTransport &_radio, MyHw &_hw
#ifdef MY_OTA_FIRMWARE_FEATURE #ifdef MY_OTA_FIRMWARE_FEATURE
// do a crc16 on the whole received firmware
bool MySensor::isValidFirmware() {
void* ptr = 0;
uint16_t crc = ~0;
int j;
// do a crc16 on the whole received firmware
bool MySensor::isValidFirmware() {
// init crc
uint16_t crc = ~0;
for (uint16_t i = 0; i < fc.blocks * FIRMWARE_BLOCK_SIZE; ++i) { for (uint16_t i = 0; i < fc.blocks * FIRMWARE_BLOCK_SIZE; ++i) {
uint8_t a = flash.readByte((uint16_t) ptr + i + FIRMWARE_START_OFFSET); crc ^= flash.readByte(i + FIRMWARE_START_OFFSET);
crc ^= a; for (int8_t j = 0; j < 8; ++j) {
for (j = 0; j < 8; ++j)
{
if (crc & 1) if (crc & 1)
crc = (crc >> 1) ^ 0xA001; crc = (crc >> 1) ^ 0xA001;
else else
crc = (crc >> 1); crc = (crc >> 1);
} }
} }
return crc == fc.crc; return crc == fc.crc;
} }
#endif #endif
@@ -722,46 +719,61 @@ boolean MySensor::process() {
// compare with current node configuration, if they differ, start fw fetch process // compare with current node configuration, if they differ, start fw fetch process
if (memcmp(&fc,firmwareConfigResponse,sizeof(NodeFirmwareConfig))) { if (memcmp(&fc,firmwareConfigResponse,sizeof(NodeFirmwareConfig))) {
debug(PSTR("fw update\n")); debug(PSTR("fw update\n"));
fwUpdateOngoing = true;
fwBlock = fc.blocks;
// copy new FW config // copy new FW config
memcpy(&fc,firmwareConfigResponse,sizeof(NodeFirmwareConfig)); memcpy(&fc,firmwareConfigResponse,sizeof(NodeFirmwareConfig));
// Init flash // Init flash
if (!flash.initialize()) { if (!flash.initialize()) {
debug(PSTR("flash init fail\n")); debug(PSTR("flash init fail\n"));
fwUpdateOngoing = false;
} else {
// erase lower 32K -> max flash size for ATMEGA328
flash.blockErase32K(0);
// wait until flash erased
while ( flash.busy() );
fwBlock = fc.blocks;
fwUpdateOngoing = true;
// reset flags
fwRetry = MY_OTA_RETRY+1;
fwLastRequestTime = 0;
} }
return false;
} } else debug(PSTR("fw update skipped\n"));
} else if (type == ST_FIRMWARE_RESPONSE) { } else if (type == ST_FIRMWARE_RESPONSE) {
// Save block to eeprom // Save block to flash
debug(PSTR("fw block %d\n"), fwBlock); debug(PSTR("fw block %d\n"), fwBlock);
// extract FW block
ReplyFWBlock *firmwareResponse = (ReplyFWBlock *)msg.data; ReplyFWBlock *firmwareResponse = (ReplyFWBlock *)msg.data;
// write to flash // write to flash
flash.writeBytes(((fwBlock-1)*FIRMWARE_BLOCK_SIZE) + FIRMWARE_START_OFFSET, firmwareResponse->data, FIRMWARE_BLOCK_SIZE); flash.writeBytes( ((fwBlock - 1) * FIRMWARE_BLOCK_SIZE) + FIRMWARE_START_OFFSET, firmwareResponse->data, FIRMWARE_BLOCK_SIZE);
// wait until flash written
while ( flash.busy() );
fwBlock--; fwBlock--;
if (fwBlock == 0) { if (!fwBlock) {
// We're finished! Do a checksum and reboot. // We're finished! Do a checksum and reboot.
if (isValidFirmware()) { if (isValidFirmware()) {
debug(PSTR("fw checksum ok\n")); debug(PSTR("fw checksum ok\n"));
// All seems ok, write size and signature to flash (DualOptiboot will pick this up and flash it) // All seems ok, write size and signature to flash (DualOptiboot will pick this up and flash it)
uint16_t fwsize = FIRMWARE_BLOCK_SIZE*fc.blocks;
flash.writeBytes(0, "FLXIMG:", 7); flash.writeBytes(0, "FLXIMG:", 7);
// FW size in flash
uint16_t fwsize = FIRMWARE_BLOCK_SIZE * fc.blocks;
flash.writeByte(7, fwsize >> 8); flash.writeByte(7, fwsize >> 8);
flash.writeByte(8, fwsize); flash.writeByte(8, fwsize);
// end of header
flash.writeByte(9, ':'); flash.writeByte(9, ':');
// Write the new firmware config to eeprom // Write the new firmware config to eeprom
hw_writeConfigBlock((void*)&fc, (void*)EEPROM_FIRMWARE_TYPE_ADDRESS, sizeof(NodeFirmwareConfig)); hw_writeConfigBlock((void*)&fc, (void*)EEPROM_FIRMWARE_TYPE_ADDRESS, sizeof(NodeFirmwareConfig));
hw_reboot(); hw_reboot();
} else { } else {
debug(PSTR("fw checksum fail\n")); debug(PSTR("fw checksum fail\n"));
fwUpdateOngoing = false;
} }
} }
// reset flags
fwRetry = MY_OTA_RETRY+1;
fwLastRequestTime = 0;
return false;
} }
// Make sure packet request occurs next time process() is called by timing out requestTime.
fwRetry = MY_OTA_RETRY+1;
fwLastRequestTime = 0;
return false;
} }
#endif #endif
// Call incoming message callback if available // Call incoming message callback if available
libraries/MySensors/utility/SPIFlash.cpp
+94 -48
View File
@@ -1,20 +1,40 @@
/* // Copyright (c) 2013-2015 by Felix Rusu, LowPowerLab.com
* Copyright (c) 2013 by Felix Rusu <felix@lowpowerlab.com> // SPI Flash memory library for arduino/moteino.
* SPI Flash memory library for arduino/moteino. // This works with 256byte/page SPI flash memory
* This works with 256byte/page SPI flash memory // For instance a 4MBit (512Kbyte) flash chip will have 2048 pages: 256*2048 = 524288 bytes (512Kbytes)
* For instance a 4MBit (512Kbyte) flash chip will have 2048 pages: 256*2048 = 524288 bytes (512Kbytes) // Minimal modifications should allow chips that have different page size but modifications
* Minimal modifications should allow chips that have different page size but modifications // DEPENDS ON: Arduino SPI library
* DEPENDS ON: Arduino SPI library // > Updated Jan. 5, 2015, TomWS1, modified writeBytes to allow blocks > 256 bytes and handle page misalignment.
* // > Updated Feb. 26, 2015 TomWS1, added support for SPI Transactions (Arduino 1.5.8 and above)
* This file is free software; you can redistribute it and/or modify // > Selective merge by Felix after testing in IDE 1.0.6, 1.6.4
* it under the terms of either the GNU General Public License version 2 // **********************************************************************************
* or the GNU Lesser General Public License version 2.1, both as // License
* published by the Free Software Foundation. // **********************************************************************************
*/ // This program is free software; you can redistribute it
// and/or modify it under the terms of the GNU General
// Public License as published by the Free Software
// Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will
// be useful, but WITHOUT ANY WARRANTY; without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A
// PARTICULAR PURPOSE. See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General
// Public License along with this program.
// If not, see <http://www.gnu.org/licenses/>.
//
// Licence can be viewed at
// http://www.gnu.org/licenses/gpl-3.0.txt
//
// Please maintain this license information along with authorship
// and copyright notices in any redistribution of this code
#include <SPIFlash.h> #include <SPIFlash.h>
byte SPIFlash::UNIQUEID[8]; uint8_t SPIFlash::UNIQUEID[8];
/// IMPORTANT: NAND FLASH memory requires erase before write, because /// IMPORTANT: NAND FLASH memory requires erase before write, because
/// it can only transition from 1s to 0s and only the erase command can reset all 0s to 1s /// it can only transition from 1s to 0s and only the erase command can reset all 0s to 1s
@@ -32,15 +52,22 @@ SPIFlash::SPIFlash(uint8_t slaveSelectPin, uint16_t jedecID) {
/// Select the flash chip /// Select the flash chip
void SPIFlash::select() { void SPIFlash::select() {
noInterrupts();
//save current SPI settings //save current SPI settings
#ifndef SPI_HAS_TRANSACTION
noInterrupts();
#endif
_SPCR = SPCR; _SPCR = SPCR;
_SPSR = SPSR; _SPSR = SPSR;
//set FLASH chip SPI settings
#ifdef SPI_HAS_TRANSACTION
SPI.beginTransaction(_settings);
#else
// set FLASH SPI settings
SPI.setDataMode(SPI_MODE0); SPI.setDataMode(SPI_MODE0);
SPI.setBitOrder(MSBFIRST); SPI.setBitOrder(MSBFIRST);
SPI.setClockDivider(SPI_CLOCK_DIV4); //decided to slow down from DIV2 after SPI stalling in some instances, especially visible on mega1284p when RFM69 and FLASH chip both present SPI.setClockDivider(SPI_CLOCK_DIV4); //decided to slow down from DIV2 after SPI stalling in some instances, especially visible on mega1284p when RFM69 and FLASH chip both present
SPI.begin(); SPI.begin();
#endif
digitalWrite(_slaveSelectPin, LOW); digitalWrite(_slaveSelectPin, LOW);
} }
@@ -48,18 +75,25 @@ void SPIFlash::select() {
void SPIFlash::unselect() { void SPIFlash::unselect() {
digitalWrite(_slaveSelectPin, HIGH); digitalWrite(_slaveSelectPin, HIGH);
//restore SPI settings to what they were before talking to the FLASH chip //restore SPI settings to what they were before talking to the FLASH chip
#ifdef SPI_HAS_TRANSACTION
SPI.endTransaction();
#else
interrupts();
#endif
SPCR = _SPCR; SPCR = _SPCR;
SPSR = _SPSR; SPSR = _SPSR;
interrupts();
} }
/// setup SPI, read device ID etc... /// setup SPI, read device ID etc...
boolean SPIFlash::initialize() boolean SPIFlash::initialize()
{ {
SPI.begin();
_SPCR = SPCR; _SPCR = SPCR;
_SPSR = SPSR; _SPSR = SPSR;
pinMode(_slaveSelectPin, OUTPUT); pinMode(_slaveSelectPin, OUTPUT);
#ifdef SPI_HAS_TRANSACTION
_settings = SPISettings(4000000, MSBFIRST, SPI_MODE0);
#endif
unselect(); unselect();
wakeup(); wakeup();
@@ -73,7 +107,7 @@ boolean SPIFlash::initialize()
} }
/// Get the manufacturer and device ID bytes (as a short word) /// Get the manufacturer and device ID bytes (as a short word)
word SPIFlash::readDeviceId() uint16_t SPIFlash::readDeviceId()
{ {
#if defined(__AVR_ATmega32U4__) // Arduino Leonardo, MoteinoLeo #if defined(__AVR_ATmega32U4__) // Arduino Leonardo, MoteinoLeo
command(SPIFLASH_IDREAD); // Read JEDEC ID command(SPIFLASH_IDREAD); // Read JEDEC ID
@@ -81,7 +115,7 @@ word SPIFlash::readDeviceId()
select(); select();
SPI.transfer(SPIFLASH_IDREAD); SPI.transfer(SPIFLASH_IDREAD);
#endif #endif
word jedecid = SPI.transfer(0) << 8; uint16_t jedecid = SPI.transfer(0) << 8;
jedecid |= SPI.transfer(0); jedecid |= SPI.transfer(0);
unselect(); unselect();
return jedecid; return jedecid;
@@ -90,47 +124,47 @@ word SPIFlash::readDeviceId()
/// Get the 64 bit unique identifier, stores it in UNIQUEID[8]. Only needs to be called once, ie after initialize /// Get the 64 bit unique identifier, stores it in UNIQUEID[8]. Only needs to be called once, ie after initialize
/// Returns the byte pointer to the UNIQUEID byte array /// Returns the byte pointer to the UNIQUEID byte array
/// Read UNIQUEID like this: /// Read UNIQUEID like this:
/// flash.readUniqueId(); for (byte i=0;i<8;i++) { Serial.print(flash.UNIQUEID[i], HEX); Serial.print(' '); } /// flash.readUniqueId(); for (uint8_t i=0;i<8;i++) { Serial.print(flash.UNIQUEID[i], HEX); Serial.print(' '); }
/// or like this: /// or like this:
/// flash.readUniqueId(); byte* MAC = flash.readUniqueId(); for (byte i=0;i<8;i++) { Serial.print(MAC[i], HEX); Serial.print(' '); } /// flash.readUniqueId(); uint8_t* MAC = flash.readUniqueId(); for (uint8_t i=0;i<8;i++) { Serial.print(MAC[i], HEX); Serial.print(' '); }
byte* SPIFlash::readUniqueId() uint8_t* SPIFlash::readUniqueId()
{ {
command(SPIFLASH_MACREAD); command(SPIFLASH_MACREAD);
SPI.transfer(0); SPI.transfer(0);
SPI.transfer(0); SPI.transfer(0);
SPI.transfer(0); SPI.transfer(0);
SPI.transfer(0); SPI.transfer(0);
for (byte i=0;i<8;i++) for (uint8_t i=0;i<8;i++)
UNIQUEID[i] = SPI.transfer(0); UNIQUEID[i] = SPI.transfer(0);
unselect(); unselect();
return UNIQUEID; return UNIQUEID;
} }
/// read 1 byte from flash memory /// read 1 byte from flash memory
byte SPIFlash::readByte(long addr) { uint8_t SPIFlash::readByte(uint32_t addr) {
command(SPIFLASH_ARRAYREADLOWFREQ); command(SPIFLASH_ARRAYREADLOWFREQ);
SPI.transfer(addr >> 16); SPI.transfer(addr >> 16);
SPI.transfer(addr >> 8); SPI.transfer(addr >> 8);
SPI.transfer(addr); SPI.transfer(addr);
byte result = SPI.transfer(0); uint8_t result = SPI.transfer(0);
unselect(); unselect();
return result; return result;
} }
/// read unlimited # of bytes /// read unlimited # of bytes
void SPIFlash::readBytes(long addr, void* buf, word len) { void SPIFlash::readBytes(uint32_t addr, void* buf, uint16_t len) {
command(SPIFLASH_ARRAYREAD); command(SPIFLASH_ARRAYREAD);
SPI.transfer(addr >> 16); SPI.transfer(addr >> 16);
SPI.transfer(addr >> 8); SPI.transfer(addr >> 8);
SPI.transfer(addr); SPI.transfer(addr);
SPI.transfer(0); //"dont care" SPI.transfer(0); //"dont care"
for (word i = 0; i < len; ++i) for (uint16_t i = 0; i < len; ++i)
((byte*) buf)[i] = SPI.transfer(0); ((uint8_t*) buf)[i] = SPI.transfer(0);
unselect(); unselect();
} }
/// Send a command to the flash chip, pass TRUE for isWrite when its a write command /// Send a command to the flash chip, pass TRUE for isWrite when its a write command
void SPIFlash::command(byte cmd, boolean isWrite){ void SPIFlash::command(uint8_t cmd, boolean isWrite){
#if defined(__AVR_ATmega32U4__) // Arduino Leonardo, MoteinoLeo #if defined(__AVR_ATmega32U4__) // Arduino Leonardo, MoteinoLeo
DDRB |= B00000001; // Make sure the SS pin (PB0 - used by RFM12B on MoteinoLeo R1) is set as output HIGH! DDRB |= B00000001; // Make sure the SS pin (PB0 - used by RFM12B on MoteinoLeo R1) is set as output HIGH!
PORTB |= B00000001; PORTB |= B00000001;
@@ -156,7 +190,7 @@ boolean SPIFlash::busy()
/* /*
select(); select();
SPI.transfer(SPIFLASH_STATUSREAD); SPI.transfer(SPIFLASH_STATUSREAD);
byte status = SPI.transfer(0); uint8_t status = SPI.transfer(0);
unselect(); unselect();
return status & 1; return status & 1;
*/ */
@@ -164,11 +198,11 @@ boolean SPIFlash::busy()
} }
/// return the STATUS register /// return the STATUS register
byte SPIFlash::readStatus() uint8_t SPIFlash::readStatus()
{ {
select(); select();
SPI.transfer(SPIFLASH_STATUSREAD); SPI.transfer(SPIFLASH_STATUSREAD);
byte status = SPI.transfer(0); uint8_t status = SPI.transfer(0);
unselect(); unselect();
return status; return status;
} }
@@ -177,7 +211,7 @@ byte SPIFlash::readStatus()
/// Write 1 byte to flash memory /// Write 1 byte to flash memory
/// WARNING: you can only write to previously erased memory locations (see datasheet) /// WARNING: you can only write to previously erased memory locations (see datasheet)
/// use the block erase commands to first clear memory (write 0xFFs) /// use the block erase commands to first clear memory (write 0xFFs)
void SPIFlash::writeByte(long addr, uint8_t byt) { void SPIFlash::writeByte(uint32_t addr, uint8_t byt) {
command(SPIFLASH_BYTEPAGEPROGRAM, true); // Byte/Page Program command(SPIFLASH_BYTEPAGEPROGRAM, true); // Byte/Page Program
SPI.transfer(addr >> 16); SPI.transfer(addr >> 16);
SPI.transfer(addr >> 8); SPI.transfer(addr >> 8);
@@ -186,20 +220,32 @@ void SPIFlash::writeByte(long addr, uint8_t byt) {
unselect(); unselect();
} }
/// write 1-256 bytes to flash memory /// write multiple bytes to flash memory (up to 64K)
/// WARNING: you can only write to previously erased memory locations (see datasheet) /// WARNING: you can only write to previously erased memory locations (see datasheet)
/// use the block erase commands to first clear memory (write 0xFFs) /// use the block erase commands to first clear memory (write 0xFFs)
/// WARNING: if you write beyond a page boundary (or more than 256bytes), /// This version handles both page alignment and data blocks larger than 256 bytes.
/// the bytes will wrap around and start overwriting at the beginning of that same page ///
/// see datasheet for more details void SPIFlash::writeBytes(uint32_t addr, const void* buf, uint16_t len) {
void SPIFlash::writeBytes(long addr, const void* buf, uint16_t len) { uint16_t n;
command(SPIFLASH_BYTEPAGEPROGRAM, true); // Byte/Page Program uint16_t maxBytes = 256-(addr%256); // force the first set of bytes to stay within the first page
SPI.transfer(addr >> 16); uint16_t offset = 0;
SPI.transfer(addr >> 8); while (len>0)
SPI.transfer(addr); {
for (uint16_t i = 0; i < len; i++) n = (len<=maxBytes) ? len : maxBytes;
SPI.transfer(((byte*) buf)[i]); command(SPIFLASH_BYTEPAGEPROGRAM, true); // Byte/Page Program
unselect(); SPI.transfer(addr >> 16);
SPI.transfer(addr >> 8);
SPI.transfer(addr);
for (uint16_t i = 0; i < n; i++)
SPI.transfer(((uint8_t*) buf)[offset + i]);
unselect();
addr+=n; // adjust the addresses and remaining bytes by what we've just transferred.
offset +=n;
len -= n;
maxBytes = 256; // now we can do up to 256 bytes per loop
}
} }
/// erase entire flash memory array /// erase entire flash memory array
@@ -214,7 +260,7 @@ void SPIFlash::chipErase() {
} }
/// erase a 4Kbyte block /// erase a 4Kbyte block
void SPIFlash::blockErase4K(long addr) { void SPIFlash::blockErase4K(uint32_t addr) {
command(SPIFLASH_BLOCKERASE_4K, true); // Block Erase command(SPIFLASH_BLOCKERASE_4K, true); // Block Erase
SPI.transfer(addr >> 16); SPI.transfer(addr >> 16);
SPI.transfer(addr >> 8); SPI.transfer(addr >> 8);
@@ -223,7 +269,7 @@ void SPIFlash::blockErase4K(long addr) {
} }
/// erase a 32Kbyte block /// erase a 32Kbyte block
void SPIFlash::blockErase32K(long addr) { void SPIFlash::blockErase32K(uint32_t addr) {
command(SPIFLASH_BLOCKERASE_32K, true); // Block Erase command(SPIFLASH_BLOCKERASE_32K, true); // Block Erase
SPI.transfer(addr >> 16); SPI.transfer(addr >> 16);
SPI.transfer(addr >> 8); SPI.transfer(addr >> 8);
libraries/MySensors/utility/SPIFlash.h
+64 -41
View File
@@ -1,16 +1,36 @@
/* // Copyright (c) 2013-2015 by Felix Rusu, LowPowerLab.com
* Copyright (c) 2013 by Felix Rusu <felix@lowpowerlab.com> // SPI Flash memory library for arduino/moteino.
* SPI Flash memory library for arduino/moteino. // This works with 256byte/page SPI flash memory
* This works with 256byte/page SPI flash memory // For instance a 4MBit (512Kbyte) flash chip will have 2048 pages: 256*2048 = 524288 bytes (512Kbytes)
* For instance a 4MBit (512Kbyte) flash chip will have 2048 pages: 256*2048 = 524288 bytes (512Kbytes) // Minimal modifications should allow chips that have different page size but modifications
* Minimal modifications should allow chips that have different page size but modifications // DEPENDS ON: Arduino SPI library
* DEPENDS ON: Arduino SPI library // > Updated Jan. 5, 2015, TomWS1, modified writeBytes to allow blocks > 256 bytes and handle page misalignment.
* // > Updated Feb. 26, 2015 TomWS1, added support for SPI Transactions (Arduino 1.5.8 and above)
* This file is free software; you can redistribute it and/or modify // > Selective merge by Felix after testing in IDE 1.0.6, 1.6.4
* it under the terms of either the GNU General Public License version 2 // **********************************************************************************
* or the GNU Lesser General Public License version 2.1, both as // License
* published by the Free Software Foundation. // **********************************************************************************
*/ // This program is free software; you can redistribute it
// and/or modify it under the terms of the GNU General
// Public License as published by the Free Software
// Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will
// be useful, but WITHOUT ANY WARRANTY; without even the
// implied warranty of MERCHANTABILITY or FITNESS FOR A
// PARTICULAR PURPOSE. See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General
// Public License along with this program.
// If not, see <http://www.gnu.org/licenses/>.
//
// Licence can be viewed at
// http://www.gnu.org/licenses/gpl-3.0.txt
//
// Please maintain this license information along with authorship
// and copyright notices in any redistribution of this code
#ifndef _SPIFLASH_H_ #ifndef _SPIFLASH_H_
#define _SPIFLASH_H_ #define _SPIFLASH_H_
@@ -33,19 +53,19 @@
/// Assuming the WP pin is pulled up (to disable hardware write protection) /// Assuming the WP pin is pulled up (to disable hardware write protection)
/// To use any write commands the WEL bit in the status register must be set to 1. /// To use any write commands the WEL bit in the status register must be set to 1.
/// This is accomplished by sending a 0x06 command before any such write/erase command. /// This is accomplished by sending a 0x06 command before any such write/erase command.
/// The WEL bit in the status register resets to the logical “0” state after a /// The WEL bit in the status register resets to the logical ?0? state after a
/// device power-up or reset. In addition, the WEL bit will be reset to the logical “0” state automatically under the following conditions: /// device power-up or reset. In addition, the WEL bit will be reset to the logical ?0? state automatically under the following conditions:
/// • Write Disable operation completes successfully /// ? Write Disable operation completes successfully
/// • Write Status Register operation completes successfully or aborts /// ? Write Status Register operation completes successfully or aborts
/// • Protect Sector operation completes successfully or aborts /// ? Protect Sector operation completes successfully or aborts
/// • Unprotect Sector operation completes successfully or aborts /// ? Unprotect Sector operation completes successfully or aborts
/// • Byte/Page Program operation completes successfully or aborts /// ? Byte/Page Program operation completes successfully or aborts
/// • Sequential Program Mode reaches highest unprotected memory location /// ? Sequential Program Mode reaches highest unprotected memory location
/// • Sequential Program Mode reaches the end of the memory array /// ? Sequential Program Mode reaches the end of the memory array
/// • Sequential Program Mode aborts /// ? Sequential Program Mode aborts
/// • Block Erase operation completes successfully or aborts /// ? Block Erase operation completes successfully or aborts
/// • Chip Erase operation completes successfully or aborts /// ? Chip Erase operation completes successfully or aborts
/// • Hold condition aborts /// ? Hold condition aborts
#define SPIFLASH_WRITEENABLE 0x06 // write enable #define SPIFLASH_WRITEENABLE 0x06 // write enable
#define SPIFLASH_WRITEDISABLE 0x04 // write disable #define SPIFLASH_WRITEDISABLE 0x04 // write disable
@@ -69,21 +89,21 @@
class SPIFlash { class SPIFlash {
public: public:
static byte UNIQUEID[8]; static uint8_t UNIQUEID[8];
SPIFlash(byte slaveSelectPin, uint16_t jedecID=0); SPIFlash(uint8_t slaveSelectPin, uint16_t jedecID=0);
boolean initialize(); boolean initialize();
void command(byte cmd, boolean isWrite=false); void command(uint8_t cmd, boolean isWrite=false);
byte readStatus(); uint8_t readStatus();
byte readByte(long addr); uint8_t readByte(uint32_t addr);
void readBytes(long addr, void* buf, word len); void readBytes(uint32_t addr, void* buf, uint16_t len);
void writeByte(long addr, byte byt); void writeByte(uint32_t addr, uint8_t byt);
void writeBytes(long addr, const void* buf, uint16_t len); void writeBytes(uint32_t addr, const void* buf, uint16_t len);
boolean busy(); boolean busy();
void chipErase(); void chipErase();
void blockErase4K(long address); void blockErase4K(uint32_t address);
void blockErase32K(long address); void blockErase32K(uint32_t address);
word readDeviceId(); uint16_t readDeviceId();
byte* readUniqueId(); uint8_t* readUniqueId();
void sleep(); void sleep();
void wakeup(); void wakeup();
@@ -91,10 +111,13 @@ public:
protected: protected:
void select(); void select();
void unselect(); void unselect();
byte _slaveSelectPin; uint8_t _slaveSelectPin;
uint16_t _jedecID; uint16_t _jedecID;
byte _SPCR; uint8_t _SPCR;
byte _SPSR; uint8_t _SPSR;
#ifdef SPI_HAS_TRANSACTION
SPISettings _settings;
#endif
}; };
#endif #endif