FT4222H - Revision history

Icon at 15:03, 14 January 2024

2024-01-14T15:03:37Z

@@ Line 3: / Line 3: @@
 Control transfers identified by looking at usbmon logs of libft4222:
   <nowiki>
 04 set clock: 60MHz => 0, 24MHz => 1, 48MHz => 2, 80MHz => 3
 05 set mode: i2c master => 1, i2c slave => 2, spi master => 3, spi slave => 4

Icon at 12:52, 13 January 2024

2024-01-13T12:52:27Z

← Older revision		Revision as of 12:52, 13 January 2024
Line 22:		Line 22:
	cnf1 (3sso+gpio): index => 1 (+ index=>2,3,4 flush)		cnf1 (3sso+gpio): index => 1 (+ index=>2,3,4 flush)
	cnf2 (4sso): index => 1 (+ index=>2,3,4 flush)		cnf2 (4sso): index => 1 (+ index=>2,3,4 flush)
	cnf3 (1sso): index => 0 (can be detected by bNumInterfaces == 0)		cnf3 (1sso): index => 0 (can be detected by bNumInterfaces == 1)
	</nowiki>		</nowiki>

Icon at 01:13, 13 January 2024

2024-01-13T01:13:19Z

← Older revision		Revision as of 01:13, 13 January 2024
Line 16:		Line 16:

	init sequence: 49 42 44 45 46 43 48 05		init sequence: 49 42 44 45 46 43 48 05
			reset trans, io lines, div, cpol, cpha, cs active, cs mask, spi master

			strapped config
			cnf0 (1sso+gpio): index => 1 (+ index=>2 flush)
			cnf1 (3sso+gpio): index => 1 (+ index=>2,3,4 flush)
			cnf2 (4sso): index => 1 (+ index=>2,3,4 flush)
			cnf3 (1sso): index => 0 (can be detected by bNumInterfaces == 0)
	</nowiki>		</nowiki>

Icon: Created page with "= Commands = Control transfers identified by looking at usbmon logs of libft4222: 21 04 set clock: 60MHz => 0, 24MHz => 1, 48MHz => 2, 80MHz => 3 21 05 set mode: i2c master => 1, i2c slave => 2, spi master => 3, spi slave => 4 21 42 spi io: lines => 1 / 2 / 4 21 43 spi cs active: low => 0, high => 1 21 44 spi div: log2 => 1..9 21 45 spi idle (cpol?) 21 46 spi capture (cpha?) 21 48 spi ss mask 21 49 spi reset transaction => sso (foll..."

2024-01-09T22:38:53Z

Created page with "= Commands = Control transfers identified by looking at usbmon logs of libft4222: <nowiki> 21 04 set clock: 60MHz => 0, 24MHz => 1, 48MHz => 2, 80MHz => 3 21 05 set mode: i2c master => 1, i2c slave => 2, spi master => 3, spi slave => 4 21 42 spi io: lines => 1 / 2 / 4 21 43 spi cs active: low => 0, high => 1 21 44 spi div: log2 => 1..9 21 45 spi idle (cpol?) 21 46 spi capture (cpha?) 21 48 spi ss mask 21 49 spi reset transaction => sso (foll..."

New page

= Commands =

Control transfers identified by looking at usbmon logs of libft4222:
<nowiki>
21 04 set clock: 60MHz => 0, 24MHz => 1, 48MHz => 2, 80MHz => 3
21 05 set mode: i2c master => 1, i2c slave => 2, spi master => 3, spi slave => 4
21 42 spi io: lines => 1 / 2 / 4
21 43 spi cs active: low => 0, high => 1
21 44 spi div: log2 => 1..9
21 45 spi idle (cpol?)
21 46 spi capture (cpha?)
21 48 spi ss mask
21 49 spi reset transaction => sso (followed by 4a(00) for (full) reset)
21 4a spi reset (preceded by 49(00)) => 00; reset/update after set io => 01
21 a0 spi drive => (clock << 4 | io << 2 | sso << 0) (4ma: 0, 8ma: 1, 12ma: 2, 16ma: 3)

init sequence: 49 42 44 45 46 43 48 05
</nowiki>