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Commit Graph

23 Commits

Author SHA1 Message Date
MrKevinWeiss
7a68fb0d5e
*Kconfig*: Remove dep-only Kconfig files 2024-03-26 14:54:22 +01:00
Marian Buschsieweke
c5083303f6
Merge pull request #12665 from gschorcht/drivers/hd44780_i2c_pcf857x
drivers/hd44780: PCF857x I2C interface added
2022-06-14 10:23:19 +02:00
MrKevinWeiss
1975ccf442
drivers/hd44780: Update kconfig model 2022-03-04 14:15:40 +01:00
Gunar Schorcht
74afd3b365 drivers/hd44780: PCF857x I2C interface added 2021-12-04 17:38:34 +01:00
Leandro Lanzieri
3604ac3a69
drivers/hd44780: add module to Kconfig 2020-11-27 09:20:06 +01:00
Bas Stottelaar
26835a949f drivers/*: remove unused assert.h include 2020-10-22 11:29:27 +02:00
Gunar Schorcht
6d61381d2a drivers: use inline functions for GPIO comparisons
The expandable GPIO API requires the comparison of structured GPIO types. This means that inline functions must be used instead of direct comparisons. For the migration process, drivers must first be changed so that they use the inline comparison functions.
2020-08-31 13:10:28 +02:00
304bce3724
drivers: configure per driver dependency resolution 2020-07-20 14:32:16 +02:00
490126cfa0
drivers: move USEMODULE_INCLUDES in each driver directories 2020-07-15 20:36:27 +02:00
Benjamin Valentin
d213bbc6f5 Revert "drivers/hd44780: add short delay after each character"
This reverts commit cf01c743a8.

Adding an unexplained delay seemed wrong in the first place, but it fixed
the display on the MCB2388.

Turns out the display was erroneously operating in 8-bit mode due to the
uninitialized flag register.
Why the delay helped here I don't know.

But with #12634 fixing this, this hack is not needed anymore.
2019-11-07 22:40:01 +01:00
62d299459f
drivers/hd44780: optimize detection of 4 and 8 bit modes
The driver can only be used with either 4 or 8 bit modes. Checking if the 5th pin is set in the configuration is enough the determine if 8bit mode should be used or not
2019-11-06 16:27:39 +01:00
c7fac09d42
drivers/hd44780: fix potential hardfault on initialization
Co-authored-by Benjamin Valentin <benpicco@googlemail.com>
2019-11-06 16:14:39 +01:00
Benjamin Valentin
cf01c743a8
drivers/hd44780: add short delay after each character
On the LCD display connected to the MCB2300 board, the
display would not light up.
Adding a 1µs delay after each byte of data seems to fix it.
2019-10-29 11:09:56 +01:00
bfe1a84991
drivers/hd44780: change default pin params
Remove the use of arduino dependent macros. The default pins are for the Arduino Zero board
2019-10-29 11:09:56 +01:00
8e70cfb2e4
driver/hd44780: cleanup param definition and HD44780_RW_OFF
There's already a macro for undefined gpios: GPIO_UNDEF
2019-10-29 10:58:26 +01:00
04dc65f6ad
drivers/hd44780: move params header at the right place 2019-10-29 10:58:26 +01:00
Kees Bakker
2918d06e9c drivers/hd44780: do normal assignment instead of memcpy 2019-01-10 19:43:44 +01:00
Gunar Schorcht
11be2035dd drivers/hd44780: fix compilation errors 2018-10-11 08:21:28 +02:00
e72448703d drivers: instead of cpp-style, use C-style comments 2018-02-06 16:59:58 +01:00
94c753c07a drivers: doxygen cleanup 2017-09-01 15:12:20 +02:00
317716419c drivers: use const device descriptor 2017-06-21 17:05:45 +02:00
smlng
8d50048c82 drivers: fix doxygen for hd44780 2017-04-21 11:30:15 +02:00
smlng
26ec9041a0 driver: add hd44780 lcd support 2017-03-27 16:43:50 +02:00