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63 Commits

Author SHA1 Message Date
caternuson 3736ebfde1 refactor for better sw spi only support 2022-08-22 15:18:26 -07:00
Christian Riggenbach f82f699c64 reuse beginTransactionWithAssertingCS()/endTransactionWithDeassertingCS() 2022-05-02 22:37:27 +02:00
Christian Riggenbach c00ec13218 moved setChipSelect() in front of beginTransactionWithAssertingCS() 
This is a more logical order, as beginTransactionWithAssertingCS() and
endTransactionWithDeassertingCS() both call it.
 2022-05-02 22:37:17 +02:00
Christian Riggenbach 41635e3c68 beginTransactionWithAssertingCS() and endTransactionWithDeassertingCS() 
These two methods are similar to beginTransaction() and endTransaction(),
but, as the name implies, with CS management. They are both public, as
beginTransaction() and endTransaction() are too.
 2022-05-02 22:35:38 +02:00
Christian Riggenbach a43f6e0921 more specific documentation 2022-05-02 20:57:10 +02:00
Christian Riggenbach 4b18d396dc use the typesafe replacement nullptr instead of NULL (since C++11) 2022-04-17 15:03:17 +02:00
Christian Riggenbach 3561fd9ff6 delete works for nullptr, no need to set a member in the destructor 2022-04-17 14:43:57 +02:00
Walt b6f7b3abe1 applied clang-format 2022-03-14 22:45:53 -07:00
Walt c41e829dcc write method parameter const-ness 
fix https://github.com/adafruit/Adafruit_FRAM_SPI/issues/25
 2022-03-10 21:43:30 -08:00
Carter Nelson 9bef46eeba
Revert "Faster hardware SPI writes on SAMD" 2022-02-28 17:38:40 -08:00
Limor "Ladyada" Fried 512fde07b5
Merge pull request #77 from monroewilliams/master 
Faster hardware SPI writes on SAMD
 2022-02-02 16:23:57 -05:00
caternuson 7961058057 refinements for no CS configs 2022-01-24 16:56:58 -08:00
Monroe Williams 5efa09dbe7 Comment formatting. 2022-01-21 18:28:04 -08:00
Monroe Williams 67bd6e7db5 Add a hack to work around the differences between the Adafruit SAMD core and the official Arduino SAMD core. 2022-01-21 18:12:50 -08:00
Monroe Williams 7f66a34b9c In the Adafruit_SPIDevice class, when running on the SAMD architecture in the hardware SPI case, use the SPIClass::transfer(txbuf, rxbuf, count, block) method when writing instead of looping over individual bytes. 
This makes use of DMA and is noticeably faster.
 2022-01-13 19:23:05 -08:00
Monroe Williams 3bdfee4ab8 In the Adafruit_SPIDevice class, when running on ESP32 in the hardware SPI case, use the SPIClass::transferBytes() method when writing instead of looping over individual bytes. 
This makes use of the hardware fifo buffers and is noticeably faster.
 2022-01-12 00:33:47 -08:00
Christian Riggenbach c43e0ae83e added write_and_read() 
This method adds a wrapper for transfer() with CS-pin and
transaction management
 2021-12-31 11:32:36 +01:00
Carter Nelson 649bc9f93c
Merge pull request #73 from slaff/fix/spelling 
Fixed small spelling mistakes.
 2021-12-10 08:38:25 -08:00
Slavey Karadzhov 570d172764 Fixed small spelling mistakes. 2021-12-10 10:12:37 +01:00
Phillip Burgess cc1fd93f02 No functional change, cleaning up shotgun-style #includes 2021-11-19 12:00:35 -08:00
lady ada 8ad008a699 fix busorder enum to deal with arc32 2021-07-17 15:54:07 -04:00
ladyada f28f3ae7f0 clang 2021-07-01 11:40:28 -04:00
ladyada 05398d9395 add trinket/attiny8 support 2021-06-30 16:46:43 -04:00
Limor "Ladyada" Fried a8c9c5183c
Merge pull request #40 from jgfoster/memory_leak 
Release memory allocated in constructor to avoid memory leak
 2020-11-30 19:07:32 -05:00
James Foster b837d9c427 Edit comment to match other functions. 2020-11-30 15:55:28 -08:00
James Foster 3fc89c5835 Release memory allocated in constructors 2020-11-30 15:47:49 -08:00
howard-wa9axq 074a8a9323
Update Adafruit_SPIDevice.cpp 2020-11-28 19:13:19 -06:00
howard-wa9axq ed828a27f7
Removed extra blank line 2020-11-28 18:37:05 -06:00
howard-wa9axq b8e11f14f1
Updated #if #elif structure. 
Update #if #elif structure to avoid nested #ifdef's
 2020-11-28 18:22:48 -06:00
howard-wa9axq 02b702fc41
Update Adafruit_SPIDevice.cpp 
Changing #ifdef construct to make STM32 a special case.
 2020-11-28 16:43:05 -06:00
howard-wa9axq 40ccbb3739
Update Adafruit_SPIDevice.cpp 2020-11-28 16:16:58 -06:00
howard-wa9axq 0787a7dd4d
Update Adafruit_SPIDevice.cpp 
Adjusted syntax of added 'for' statement
 2020-11-28 15:21:54 -06:00
howard-wa9axq 197d21ad2a
Update Adafruit_SPIDevice.cpp 
Added code to define 'i'.
 2020-11-28 15:05:52 -06:00
howard-wa9axq a5c631593e
Update Adafruit_SPIDevice.cpp 
The SPI.cpp that the STM32 project uses does not have a transfer method with both a buffer and a length.  Changes to this file uses a transfer method that just needs a single 8 bit character.
 2020-11-28 14:15:01 -06:00
Robin Giese dacc017bb6 Use blocking DMA for SPI transfer 2020-08-24 09:32:20 -07:00
Robin Giese b8da0bd043 Formatting fixes 2020-08-23 21:44:10 -07:00
Robin Giese 28cc900343 Help library compile for Spark/Particle 2020-08-23 21:18:19 -07:00
lady ada e7fff533a3 add some delays to slow down fast bitbang on demand 2020-07-18 18:40:45 -04:00
lady ada 3ab09b4a46 clang 2020-07-18 15:58:19 -04:00
lady ada a552fae34e only write MOSI if its changed 2020-07-18 15:57:15 -04:00
lady ada a830055740 remove extra shifts 2020-07-18 15:50:07 -04:00
lady ada b1b5f031e7 shortcut to alt modes 2020-07-18 15:40:52 -04:00
lady ada 605d437891 simplifyi LSB/MSB handling for soft spi 2020-07-18 15:38:53 -04:00
lady ada 0b1dbbd0e4 add fast software spi 2020-07-18 14:18:07 -04:00
lady ada 2179775500 add begin/end transaction helpers (needed for really odd devices like SHARP memory display which has inverted CS) 2020-07-18 12:03:30 -04:00
caternuson 0f76587660 remove delay 2020-05-20 12:29:49 -07:00
lady ada 82f5ba5ecf fix incorrect spacing for debug prints 2020-05-16 00:15:52 -04:00
siddacious e4243a9fe9 fixing support for SPI modes 2 & 3 2020-04-22 11:36:01 -07:00
siddacious be95f9da0b clang 2020-04-20 17:08:09 -07:00
siddacious c852d5744c adding check for _mosi== -1 2020-04-20 17:01:43 -07:00