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author | BenediktO <benedikt_o@web.de> | 2019-10-13 15:18:32 +0200 |
---|---|---|
committer | Uwe Hermann <uwe@hermann-uwe.de> | 2019-11-07 00:01:19 +0100 |
commit | 6ace47bfe142d32d04e93cdc730d3aebb7b5338d (patch) | |
tree | 34747bd02d10d36444e84bde721bd979b3597777 /display | |
parent | 81cc1472fb205164ab7d47eeba8bad9a77f90a58 (diff) | |
download | sigrok-dumps-6ace47bfe142d32d04e93cdc730d3aebb7b5338d.tar.gz sigrok-dumps-6ace47bfe142d32d04e93cdc730d3aebb7b5338d.zip |
hd44780: Add 9 additional dumps
Diffstat (limited to 'display')
-rw-r--r-- | display/hd44780/README | 127 | ||||
-rw-r--r-- | display/hd44780/hd44780-blink.sr | bin | 0 -> 10574 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-cursor.sr | bin | 0 -> 5774 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-customcharacter.sr | bin | 0 -> 11430 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-font.sr | bin | 0 -> 7738 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-power.sr | bin | 0 -> 1805 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-scroll.sr | bin | 0 -> 4218 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-shiftcursor.sr | bin | 0 -> 956 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-test_204.sr | bin | 0 -> 1429 bytes | |||
-rw-r--r-- | display/hd44780/hd44780-textdirection.sr | bin | 0 -> 3959 bytes |
10 files changed, 123 insertions, 4 deletions
diff --git a/display/hd44780/README b/display/hd44780/README index 9dc2e29..1662636 100644 --- a/display/hd44780/README +++ b/display/hd44780/README @@ -11,8 +11,8 @@ means that data gets communicated on lined D4-D7 only, and D0-D3 are not connected. -Logic analyzer setup --------------------- +Logic analyzer setup (hd44780-reset-init-hello.sr) +-------------------------------------------------- The capture was taken with an ASIX Sigma2 logic analyzer, sampling 8 logic channels at a rate of 50MHz: @@ -29,8 +29,8 @@ logic channels at a rate of 50MHz: 8 D7 -Data ----- +hd44780-reset-init-hello.sr +--------------------------- See https://en.wikipedia.org/wiki/Hitachi_HD44780_LCD_controller for a list of display controller commands, and especially the 'Mode Selection' @@ -49,3 +49,122 @@ can extract the most basic information: Clock on E (falling edge), D4-D7 of the display corresponds to D0-D3 of the decoder (D4-D7 of the decoder are not connected). Words consist of 8 bits (span 2 bus cycles), and are in big endian format. + + +Logic analyzer setup (other files) +---------------------------------- + +The capture was taken with a Saleae Logic clone (mostly at 200kHz): + + Probe HD44780 + ------------------- + 1 RS (selects "commands" and "display data" mode) + 2 E (enable, falling edge clocks data transfers) + 3 D4 (data lines...) + 4 D5 + 5 D6 + 6 D7 + + +hd44780-blink.sr +---------------- + +Arduino firmware based on the LiquidCrystal example Arduino Sketch. + +This is what the decoded data should look like: + + - initialization + - write "hello, world!" + - toggle blinking every 3 seconds + + +hd44780-cursor.sr +----------------- + +Arduino firmware based on the LiquidCrystal example Arduino Sketch. + +This is what the decoded data should look like: + + - initialization + - write "hello, world!" + - toggle cursor every 0.5 seconds + + +hd44780-customcharacter.sr +-------------------------- + +Arduino firmware based on the LiquidCrystal example Arduino Sketch. + +This is what the decoded data should look like: + + - initialization + - define special characters: heart, smiling face, unhappy face, stickman + with arms low, stickman with arms up + - write "I {heart} Arduino {smiling face}" and " {stickman with arms low}" + - toggle second line between " {stickman with arms low}" and + " {stickman with arms up}" about (!) every 0.9 seconds + + +hd44780-font.sr +--------------- + +Arduino firmware based on the LiquidCrystal example Arduino Sketch. + +This is what the decoded data should look like: + + - initialization + - define special characters: heart, smiling face, unhappy face, stickman + with arms low, stickman with arms up + - every about 250ms a set of 2 * 16 characters are written to the display, + starting at 0 + + +hd44780-power.sr +---------------- + +Arduino firmware based on the LiquidCrystal example Arduino Sketch. + +This is what the decoded data should look like: + + - initialization + - write "hello, world!" + - toggle display power every 0.5 seconds + + +hd44780-shift.sr +---------------- + +Arduino firmware based on the LiquidCrystal example Arduino Sketch. + +This is what the decoded data should look like: + + - initialization + - write "hello, world!" + - repeats: + - shift text to the left until it is outside the view + - shift text to the right until it is outside the view + - shift text to the left until it is where it was before shifting + + +hd44780-shiftcursor_204.sr +-------------------------- + +This is what the decoded data should look like: + + - initialization + - write "hello, world!" + - using cursor shifts it replaces the ! by ?, w by W and h by H, so it is + "Hello, World?" in the end + + +hd44780-textdirection.sr +------------------------ + +Arduino firmware based on the LiquidCrystal example Arduino Sketch. + +This is what the decoded data should look like: + + - initialization + - write "abcdefghijklm" + - continue to the left until "s" + - continue to the right until "z" diff --git a/display/hd44780/hd44780-blink.sr b/display/hd44780/hd44780-blink.sr Binary files differnew file mode 100644 index 0000000..403966c --- /dev/null +++ b/display/hd44780/hd44780-blink.sr diff --git a/display/hd44780/hd44780-cursor.sr b/display/hd44780/hd44780-cursor.sr Binary files differnew file mode 100644 index 0000000..2e5b1f8 --- /dev/null +++ b/display/hd44780/hd44780-cursor.sr diff --git a/display/hd44780/hd44780-customcharacter.sr b/display/hd44780/hd44780-customcharacter.sr Binary files differnew file mode 100644 index 0000000..7ca62a8 --- /dev/null +++ b/display/hd44780/hd44780-customcharacter.sr diff --git a/display/hd44780/hd44780-font.sr b/display/hd44780/hd44780-font.sr Binary files differnew file mode 100644 index 0000000..e0d4dc2 --- /dev/null +++ b/display/hd44780/hd44780-font.sr diff --git a/display/hd44780/hd44780-power.sr b/display/hd44780/hd44780-power.sr Binary files differnew file mode 100644 index 0000000..6935ea5 --- /dev/null +++ b/display/hd44780/hd44780-power.sr diff --git a/display/hd44780/hd44780-scroll.sr b/display/hd44780/hd44780-scroll.sr Binary files differnew file mode 100644 index 0000000..c56965b --- /dev/null +++ b/display/hd44780/hd44780-scroll.sr diff --git a/display/hd44780/hd44780-shiftcursor.sr b/display/hd44780/hd44780-shiftcursor.sr Binary files differnew file mode 100644 index 0000000..cf41c0a --- /dev/null +++ b/display/hd44780/hd44780-shiftcursor.sr diff --git a/display/hd44780/hd44780-test_204.sr b/display/hd44780/hd44780-test_204.sr Binary files differnew file mode 100644 index 0000000..2035ccc --- /dev/null +++ b/display/hd44780/hd44780-test_204.sr diff --git a/display/hd44780/hd44780-textdirection.sr b/display/hd44780/hd44780-textdirection.sr Binary files differnew file mode 100644 index 0000000..1ad5be5 --- /dev/null +++ b/display/hd44780/hd44780-textdirection.sr |