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/* -*- c++ -*- */
/*
* Copyright 2010 Ettus Research LLC
*
*/
#include <memory_map.h>
#include <hal_io.h>
#include <hal_uart.h>
#include <xilinx_s3_icap.h>
#include <nonstdio.h>
#include <spi_flash.h>
#include <spi.h>
#include <clocks.h>
#include <string.h>
//just a test to write to SPI flash and retrieve the same values.
//uses the MOBFLEET SPI flash library
void delay(uint32_t t) {
while(t-- != 0) asm("NOP");
}
int main(int argc, char *argv[]) {
uint16_t i, t;
uint8_t buf[260];
const uint8_t testdata[] = {0xDE, 0xAD, 0xBE, 0xEF, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C};
hal_disable_ints(); // In case we got here via jmp 0x0
// spi_init();
hal_uart_init();
// clocks_init(); //set up AD9510, enable FPGA clock @ 1x divisor
puts("SPI Flash test\n");
puts("Initializing SPI\n");
spif_init();
delay(800000);
puts("Erasing sector 1\n");
spi_flash_erase(0x00010000, 256);
delay(800000);
puts("Reading back data\n");
spi_flash_read(0x00010000, 256, buf);
delay(800000);
t=1;
for(i=4; i<250; i++) {
if(buf[i] != 0xFF) t=0;
}
if(!t) puts("Data was not initialized to 0xFF. Unsuccessful erase or read\n");
else puts("Data initialized to 0xFF, erase confirmed\n");
puts("Writing test buffer\n");
spi_flash_program(0x00010000, 16, testdata);
//memset(buf, 0, 256);
delay(800000);
puts("Wrote data, reading back\n");
spi_flash_read(0x00010000, 16, buf);
if(memcmp(testdata, buf, 16)) puts("Data is not the same between read and write. Unsuccessful write or read\n");
else puts("Successful write! Flash write correct\n");
return 0;
}
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