void log_init(void) {
fprintf(stream_wireless,"# initializing logging\r\n");
lcd_clear();
printf(lcd_putch,"Resetting Log!");
delay_ms(1200);
write_ext_fram(FRAM_ADDR_RECORD_N,0);
write_ext_fram(FRAM_ADDR_DATAFLASH_PAGE+0,0);
write_ext_fram(FRAM_ADDR_DATAFLASH_PAGE+1,0);
/* erase the first block of the data flash */
dataflash_select();
spi_write2(0x50);
spi_write2(0x00);
spi_write2(0x00);
spi_write2(0x00);
dataflash_unselect();
delay_ms(10);
/* wait for page to finish erasing and writing */
while ( ! bit_test(dataflash_read_status(),7) ) {
restart_wdt();
//fputc('x',modem);
}
lcd_goto(LCD_LINE_TWO);
printf(lcd_putch,"Done");
fprintf(stream_wireless,"> done\r\n");
delay_ms(1200);
}
static int pfsdf_read(polyfs_fs_t *fs, void *ptr,
uint32_t offset, uint32_t bytes)
{
struct pfsdf_info *iptr = fs->userptr;
int err;
uint8_t sreg;
// Check the inputs are in range
if (offset >= iptr->bytes) {
return -1;
}
else if (bytes == 0) {
return 0;
}
else if (offset + bytes >= iptr->bytes) {
bytes = iptr->bytes - offset;
}
// Make sure the flash is ready
err = dataflash_read_status(&sreg);
if ((err) || (sreg & DATAFLASH_SREG_BUSY)) {
return -1;
}
// Read the dataflash
return dataflash_read_data(ptr, iptr->offset + offset, bytes);
}
