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problem of UART initialization
Hello, I wrote a UART0 initialization for AT90CAN128, but somehow it doesn't work. Please see my code below: void USART0_Init(UINT16 baudrate, UINT8 data_bit_number, UINT8...
Sunday, 30 March 2008 - 15:16
questions to ADC in AT90CAN128
Hello, in some circuits there is a RC low pass filter on the ADC inputs. Does this LPF bring benefits to AT90CAN128? According to the data sheet ADCL must be read first and then...
Wednesday, 5 March 2008 - 10:07
relation between the physical and the logical values
Hello, I have a DVK90CAN1 evaluation board for AT90CAN128. This board has a compass card with 5 buttons. If a button is pressed, the connected pin will be ground level. To my...
Thursday, 21 February 2008 - 09:44
two questions about ADC in AT90CAN128
Hello, 1. Are there any problems if the ADEN bit and the ADSC bit are set to one at the same time, say ADCSRA = 0xC0? 2. Do you suggest to use the interrupt ADIF for real time...
Monday, 18 February 2008 - 10:15
gcc plug-in Error and values of registerbits
Hello, I am using AVR Studio4 to develop AT90CAN128. In a program I made such a definition: char var = 4; but got an error in compiler: gcc plug-in: Error: Object file not...
Saturday, 2 February 2008 - 11:14
communication between AT90CAN128 and ADC over SPI interface
Hello, I have to use the AT90CAN128 as the SPI master to communicate with the ADC ADS8344 of TI. The procedure is something like this: MCU sends a control byte to tell which...
Monday, 14 January 2008 - 10:31
create dynamic arrays in EEPROM
Hello, Is it possible to create dynamic arrays in EEPROM so that the space of EEPROM can be allocated at runtime? Thanks
Friday, 26 October 2007 - 09:20
programming adapter for AT90CAN128
Hello, Which programming adapter do you prefer for AT90CAN128? Could you recommend a cheap one? Thanks
Tuesday, 23 October 2007 - 10:24
Some questions to the attribute 'EEMEM'
Hello, Some questions to the attribute 'EEMEM' 1. Why is the definition of variables with 'EEMEM' in a function not allowed? 2. If I make a casting like eeprom_write_block((void...
Thursday, 27 September 2007 - 10:31
warning by calling eeprom_read_byte()
Hi, The definition of eeprom_read_byte() is uint8_t eeprom_read_byte (const uint8_t _addr) I call this function with eeprom_read_byte(4) but get a warning: warning:...
Thursday, 23 August 2007 - 10:41
ways to program AVR devices
Hello, now we would like to integrate the AT90CAN128 into our products. The problem is, how to program this device as easy as possible. The JTAG interface and ICE-MKII are used...
Wednesday, 18 July 2007 - 09:05
initialization at run time?
Hello, I am using the AVR AT90CAN128 and AVR Studio. Now I’d like to do following thing. Some default parameters are initialized with #define ROMCONST const para ROMCONST...
Tuesday, 10 July 2007 - 11:00