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Discussion Title Created date
format specifier - uint32_t correct syntax
Hi, If I want to: uint32_t v; sprint("%u", buffer, v); I get this: format '%u' expects argument of type 'unsigned int', but argument 1 has type 'uint32_t' Clearly I can...
Wednesday, 6 February 2013 - 17:49
CDC USB Virtual Serial Port Issue/Solution
This is for other people, but may need reporting as a CDC driver bug with SAM3S: I created a Windows program to read and write to the Virtual Serial Port. I had an issue where...
Thursday, 10 January 2013 - 14:46
Closed USB virtual serial port blocks I2C/TWI
Hi, I have an oddity that I'm wondering if anyone has seen... I have a USB CDC configured on a SAM3S. Windows driver configured and installed fine on a PC. I can read/write data...
Thursday, 10 January 2013 - 14:37
TWI breaks when USB data active
Hi, I am using the ATSAM3S4CA-CU on a project, with ASF 3.5.1 (3.3.1 earlier), and have a problem which is that when using the ASF TWI and USB service libraries, that TWI...
Friday, 4 January 2013 - 23:37
Enabling float support in newlib in AS6.0 armgcc 3.3.1.128
Hi, I have a project and am trying to get sprintf to output a float to a buffer: #define CMD_MAX_RESPONSE 255 char cmd_response[CMD_MAX_RESPONSE]; sprintf(cmd_response, "% f",...
Monday, 24 December 2012 - 21:11
SAM3S NVM change limit
I cannot see anything in the manual about the number of times the NVM bits (boot mode basically) can be changed. I do remember reading somewhere that it is considerably less than...
Sunday, 5 August 2012 - 18:25
Clock confusion
Hi, I am having some confusion using the ASF... have a lot of things working (TWI/SPI etc), but a fundamental thing is not working... correct clock timing. I am using delay_ms(x...
Thursday, 12 July 2012 - 01:20
Moving .bss load address
Hi, I have a atmega128 project and I'm wanting to move the linker load address for .bss It appears in the map file for my project that I have various sections.. .text (length =...
Wednesday, 16 March 2011 - 01:52
JTAG disable
Hi, I am using an Atmega2561. Port F on this has pins by default set as used by JTAG from fuses. If I want to use this as standard I/O lines, is the only way to do this to...
Monday, 13 July 2009 - 20:13
Serial Issue
Hi, I am having serious problems running an Atmega128 at 115200 under interrupt driven comms when lots of data is being transmitted. I get data being dropped when sent to a PC -...
Sunday, 7 June 2009 - 02:54
Unable to breakpoint in WinAVR
Hi, I'm using AVR studio (4.14) with WinAVR and JTAGICEMk2. I created a project in the studio, added files etc, and the project builds correctly, loads and runs. I can step...
Tuesday, 15 July 2008 - 19:44
Using External SRAM
Hi, I'm moving a project from WinAVR 20050214 to WinAVR 20070122. Most changes are easy but one has me stumped. We have some large buffers and were placing these in external sram...
Sunday, 1 April 2007 - 00:33