Description
After compiling and uploading any sketch - Blink will do as an example - the selected port jumps from the correct one (say COM13) to the next numerical - but non-existent - port, (such as COM14). The sketch gets uploaded, but one then has to wait for the board to finish re-initialising after the upload, before re-selecting the correct port in the IDE. Same thing happens if the board's on COM17 ... it jumps to COM18.
OS : Win 7 64-bit
IDE : 1.6.7 and nightly (2016/02/02)
SAMD Boards 1.6.2:
Verbose output on upload revealed;
Sketch uses 10,988 bytes (4%) of program storage space. Maximum is 262,144 bytes.
Forcing reset using 1200bps open/close on port COM13
PORTS {COM3, COM13, } / {COM3, COM13, } => {}
PORTS {COM3, COM13, } / {COM3, } => {}
PORTS {COM3, } / {COM3, } => {}
PORTS {COM3, } / {COM3, COM14, } => {COM14, }
Found upload port: COM14
C:\Users\xxxxx\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.6.1-arduino/bossac.exe -i -d --port=COM14 -U true -i -e -w -v C:\Users\xxxxx~1\AppData\Local\Temp\build81716e661910f192b156ff7c623177af.tmp/Blink.ino.bin -R
Set binary mode
readWord(addr=0)=0x200023a8
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
version()=v1.1 [Arduino:XYZ] Oct 31 2015 00:47:48
chipId=0x10010005
Connected at 921600 baud
readWord(addr=0)=0x200023a8
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
Atmel SMART device 0x10010005 found
write(addr=0x20004000,size=0x34)
writeWord(addr=0x20004030,value=0x10)
writeWord(addr=0x20004020,value=0x20008000)
Device : ATSAMD21G18A
readWord(addr=0)=0x200023a8
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
Chip ID : 10010005
version()=v1.1 [Arduino:XYZ] Oct 31 2015 00:47:48
Version : v1.1 [Arduino:XYZ] Oct 31 2015 00:47:48
Address : 8192
Pages : 3968
Page Size : 64 bytes
Total Size : 248KB
Planes : 1
Lock Regions : 16
Locked : readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
none
readWord(addr=0x41004018)=0
Security : false
Boot Flash : true
readWord(addr=0x40000834)=0x7000a
BOD : true
readWord(addr=0x40000834)=0x7000a
BOR : true
Arduino : FAST_CHIP_ERASE
Arduino : FAST_MULTI_PAGE_WRITE
Arduino : CAN_CHECKSUM_MEMORY_BUFFER
Erase flash
chipErase(addr=0x2000)
done in 0.839 secondsWrite 11136 bytes to flash (174 pages)
write(addr=0x20005000,size=0x1000)
writeBuffer(scr_addr=0x20005000, dst_addr=0x2000, size=0x1000)[=========== ] 36% (64/174 pages)write(addr=0x20005000,size=0x1000)
writeBuffer(scr_addr=0x20005000, dst_addr=0x3000, size=0x1000)[====================== ] 73% (128/174 pages)write(addr=0x20005000,size=0xb80)
writeBuffer(scr_addr=0x20005000, dst_addr=0x4000, size=0xb80)SAM-BA operation failed
[==============================] 100% (174/174 pages)
done in 0.099 secondsVerify 11136 bytes of flash with checksum.
checksumBuffer(start_addr=0x2000, size=0x1000) = 8257
checksumBuffer(start_addr=0x3000, size=0x1000) = 66c7
checksumBuffer(start_addr=0x4000, size=0xb80) = a5f8
Verify successful
done in 0.051 seconds
CPU reset.
readWord(addr=0)=0x200023a8
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
writeWord(addr=0xe000ed0c,value=0x5fa0004)