On 24 nov, 19:29, mattschinkel <[email protected]> wrote:
> Are you able to find where your program gets stuck in
> fat32_small_init() ?
>
> Matt.
Hi Matt,
I found where it stucks. But realy on a strange moment:
I used the serial feedback to see when it stops:
This procedure is started:
procedure fat32_small_read_boot_sector() is
var dword sec_per_fat
var byte _sec_per_fat[4] at sec_per_fat
var word reserved_sectors
var byte _reserved_sectors[2] at reserved_sectors
var dword partition_lba_begin = 0
serial_hw_data = 70 ;F
fat32_small_start_read(0)
serial_hw_data = 71 ; G
fat32_small_read_pulse_byte(47) => when calling this
procedure is does not come back
But when calling "fat32_small_read_pulse_byte(47)" it never comes
back.
If I then go to SD-Card lib, the Pic stops at this point (I receive
the letter "H" on my serial, but never "I"). This is realy strange for
me.
--------------------------------------------------------------------------------
-- send a read pulse to the sd card, go 1 bytes forward in current
sector.
--------------------------------------------------------------------------------
procedure sd_read_pulse_byte(word in count1) is
serial_hw_data = 72 ; H
var byte x
for count1 loop -- loop specified number of times
x = sd_data_byte -- do a data read and ignore the
incomming data
end loop
serial_hw_data = 73 ; I
end procedure
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