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Altera_Forum
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14 years ago

SD card problem in NEEK

hi all, i am new in altera tools and i use in my project NIOS || Embedded Evalution Kit (NEEK) here is the link for the kit for more details:http://www.altera.com/products/devkits/altera/kit-cyc...
Altera_Forum's avatar
Altera_Forum
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14 years ago

also when i try to write zero in slave select register and try to read it to make sure from that

i found it 1

IOWR_ALTERA_AVALON_SPI_SLAVE_SEL(sd_hardware->spi_controller_base,0);

slave=(unsigned char)IORD_ALTERA_AVALON_SPI_SLAVE_SEL(sd_hardware->spi_controller_base);

i found that slave =1 not 0

please help me in this problem

thanks in advance