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322 Commits

Author SHA1 Message Date
Scott Lahteine
758c6c9464 Very minor SPI speedup 2019-02-20 04:36:23 -06:00
Scott Lahteine
03e109c4a3 FLASH_EEPROM => FLASH_EEPROM_EMULATION 2019-02-20 04:36:23 -06:00
Scott Lahteine
50917ccda6 Tweak some u8g interface code 2019-02-20 04:26:34 -06:00
Scott Lahteine
3a1b6fe8c1 Coding standards 2019-02-19 14:58:39 -06:00
InsanityAutomation
7f1b69b0c8 Add HOST_PROMPT_SUPPORT (#13039) 2019-02-12 15:55:47 -06:00
Scott Lahteine
0feeef2604 Update copyright in headers 2019-02-12 15:30:11 -06:00
Scott Lahteine
b96cc30cd0 HAL spacing tweak 2019-02-04 21:51:06 -06:00
Scott Lahteine
9e394139e5 Followup to 90911104 2019-02-04 10:46:52 -06:00
Andy Shaw
9091110460 LPC1768 - Don't change CS pin state (#13015) 2019-02-04 07:08:39 -06:00
InsanityAutomation
a403d9a50c Improve menu pause / resume (#12876) 2019-01-11 20:42:11 -06:00
Chris Pepper
2919f3045d [LPC176x] Update PIO extrascript (#12878) 2019-01-11 19:45:33 -06:00
Marcio Teixeira
60cb36bef3 Misc. improvements (#12747) 
* Make ExtUI respect MAXTEMP limits
  - Temperatures are now clamped by MAXTEMP limits rather than arbitrary values.
* Speed up USB init, add status
  - Speed up USB initialization
  - Show status message if init failed
* Enable status messages for EXTENSIBLE_UI
* Adjust max limit to MAX_TEMP - 15
* Misc. tweaks to formatting, const, etc.
 2019-01-01 15:17:48 -06:00
Scott Lahteine
c986239837
A single SERIAL_ECHO macro type (#12557) 2018-11-29 16:58:58 -06:00
Andy Shaw
4975b13b74 Fix problems with LPC1768 EEPROM flash emulation (#12503) 
* Remove duplicate calls to PrepareSector

Some flash memory API calls require that a call to `PrepareSector` is done before use. However this call is already made by the LPC1768 framework so the calls in this code are not required.

* Ensure correct alignment of RAM buffer

The LPC176X flash API requires that the RAM buffer used for write operations must be word-aligned. This change ensures that this is the case.
 2018-11-22 01:03:32 -06:00
Scott Lahteine
66580f32c2
Make CardReader class static (#12451) 
* Make CardReader a static class
* Make CardReader flags into bitfields
 2018-11-16 22:39:16 -06:00
Scott Lahteine
4e0c935959 Update HAL and libs formatting 2018-11-10 19:43:23 -06:00
Scott Lahteine
c31e1735dd Restore LPC1768_PIN_INTERRUPT_M, apply to Z3 
- In reference to #12166
 2018-11-05 06:28:49 -06:00
Scott Lahteine
e0956bb572 Drop 'register' storage specifier 2018-11-04 16:17:13 -06:00
Scott Lahteine
f5eab912ed
Apply #pragma once, misc cleanup (#12322) 
* Apply #pragma once in headers
* Adjust some thermistors formatting
* Misc cleanup and formatting
 2018-11-04 02:25:55 -06:00
Scott Lahteine
3583e2b449
Followup to Menu Refactor (#12275) 2018-10-30 16:34:45 -05:00
Scott Lahteine
5580773191
Use FastIO, sanity-check LPC SD options, apply formatting (#12231) 2018-10-26 15:23:02 -05:00
Scott Lahteine
8d3a92fc4a Followup to millis_t patch 2018-10-20 23:23:58 -05:00
Ludy
44369d536a Use millis_t where needed (#12152) 2018-10-20 23:21:27 -05:00
Scott Lahteine
c6a5c74208 Add parentheses to SD macros 2018-10-19 13:52:57 -05:00
Scott Lahteine
df768e7d8f Followup to #12129 2018-10-18 11:29:49 -05:00
Chris Pepper
3c13c9e3e9 [LPC176x] Fix USEABLE_HARDWARE_PWM macro, cleanup multiple LED support (#12129) 2018-10-18 11:26:50 -05:00
Scott Lahteine
cce4931342 Clean up recent contribs 2018-10-16 06:45:44 -05:00
Karl Andersson
8b5e51c9aa STM32F4xx modifications for HAL_STM32 (#12080) 2018-10-16 06:42:41 -05:00
Christopher Pepper
e5b4bf22d4 Remove debug output from flash persistent store implementation 2018-10-14 18:43:48 +01:00
Christopher Pepper
254b68fe2c servo update 2018-10-14 18:43:48 +01:00
Andy Shaw
870bfd08f5 usb and sdcard sharing improvements 
* Add traceback after watchdog timeout

Add the cpability to perform a traceback following a watchdog timeout.

* Enhanced hardware SPI

Allow use of either SSP0 or SSP1.
Ensure that no data is left in I/O buffers after calls to enable sharing of SSP hardware.

* Make flash emulation of eeprom the default

Make use of flash for eeprom storage the default. This means that usage of eeprom will not cause USB drive mount/unmount operations.

* Allow sharing of SD card

SD card I/O operations from the USB stack take place in idle loop, rather than at interrupt time. Allowing sharing of the SPI bus.

New configuration options to allow usage of the SD card to be specified.

* Fix problem with hardware SPI pins
 2018-10-14 18:43:48 +01:00
Christopher Pepper
5ddf52d58e [HAL][LPC176x] Pull out framework into separate repository 
Framework and build platform now located at https://github.com/p3p/pio-framework-arduino-lpc176x and https://github.com/p3p/pio-nxplpc-arduino-lpc176x respectively

fix mkssbase leds

move hardware serial

remove hardware/software serial

Hardware Serial extraction

HardwareSerial ISRs

fix disabled serial2 causing Serial object to link

move usb devices out to framework

separate out adc/pwm peripheral function from hal.cpp

fix includes

remove unused pwm init

move adc

HAL header update

templated filtered adc

LPC1769 platform
 2018-10-14 18:43:48 +01:00
Scott Lahteine
0bd54392b7 Use uint8_t in EEPROM code 2018-10-09 19:00:01 -05:00
Scott Lahteine
cb7844c8d4
Save PROGMEM on serial prefixes (#12033) 
With default config and `EEPROM_SETTINGS`, saves over 200 bytes of PROGMEM.
 2018-10-07 15:32:15 -05:00
Scott Lahteine
ee53f7d813 Revert header reorg. 2018-10-02 22:09:41 -05:00
Scott Lahteine
0dedb3e139
Reorganize some core headers (#11983) 2018-10-02 04:25:46 -05:00
Scott Lahteine
11ac75edcb
Use PGM_P for PSTR pointers (#11977) 2018-09-30 23:44:33 -05:00
Scott Lahteine
ad21a4f07b Tweaks to HAL format and order 2018-09-28 15:59:50 -05:00
Holger Müller
1a6f2b29b8 Add support for Triple-Z steppers/endstops 2018-09-16 00:35:58 -05:00
Scott Lahteine
6a3207391f Remove obsolete HAL_timer_restrain 2018-08-31 16:17:22 -05:00
Scott Lahteine
a317bb4991 Remove stray tab 2018-08-24 17:35:13 -05:00
Scott Lahteine
ba1919c1eb HAL tweaks to LPC1768 main 2018-08-22 17:16:18 -05:00
Scott Lahteine
0987ed2a18 Use American English 2018-08-22 17:16:18 -05:00
Chris Pepper
5573ef62c6 [2.0.x] PersistentStore update followup (#11549) 2018-08-14 17:54:12 -05:00
Scott Lahteine
834ea7fcea Remove 'const' from PersistentStore::capacity 2018-08-14 04:46:10 -05:00
Dave Johnson
c64199941e Compile only selected PIO environment (#11519) 2018-08-14 03:28:52 -05:00
Andy Shaw
5be2559eda Use flash memory to emulate EEPROM (#11500) 
Use a sector of the LPC flash memory to emulate EEPROM storage, removing the need to have an SD card to store system parameters.
 2018-08-14 01:19:34 -05:00
Scott Lahteine
865ee5985f Followup persistent store with heading, const 2018-08-13 23:55:33 -05:00
Chris Pepper
66d2b48b59 Update PersistentStore api (#11538) 
- Clean up the API to use a `static` class instance to adhere to Marlin convention
- Add `const` position data access for read/write
- Add Storage capacity to the interface
 2018-08-13 17:30:25 -05:00
Scott Lahteine
15d68cb496 Pre-override of ST7920 delays before HAL.h 2018-07-26 23:33:18 -05:00
Andy Shaw
624986d423 Ensure ADC conversion is complete before reading (#11336) 
The current Marlin implementation relies on a timer interrupt to start the ADC conversion and read it. However in some circumstances the interrupt can be delayed resulting in insufficient time being available for the ADC conversion. This results in a bad reading and false temperature fluctuations. These changes make sure that the conversion is complete (by checking the ADC hardware via the HAL) before reading a value.

See: https://github.com/MarlinFirmware/Marlin/issues/11323
 2018-07-26 03:59:19 -05:00
teemuatlut
fbcdf5eaeb Simplify stepper driver per-axis selection 2018-07-25 02:47:43 -05:00
teemuatlut
f38c81cdde LPC176x: Expand HW SPI class 2018-07-14 19:06:27 +03:00
teemuatlut
3b5dec4b13 Add new LPC include folder 2018-07-14 18:58:56 +03:00
Chris Pepper
55f4744e54 [LPC176x] Endstop Interrupts Feature (#11202) 
Enable the endstop interrupts feature for LPC176x boards. Although Smoothieboard chose to use non-interrupt capable pins for their endstops, and this has been copied by clones, so they can't use it.
 2018-07-04 17:51:45 -05:00
Chris Pepper
5abf5bc8a7 [LPC176x] Fix Interrupt forward declarations (#11200) 2018-07-04 17:43:14 -05:00
Chris Pepper
5616581eb1 [LPC176x] Update fastio _GET_INPUT, _GET_OUTPUT macros (#11168) 2018-07-01 23:02:38 -05:00
Scott Lahteine
d86f25ab63 Fix Serial ISR priority for LPC1768 
Co-Authored-By: p3p <p3p@p3psoft.co.uk>
 2018-06-25 12:15:41 -04:00
Scott Lahteine
99591dc20c
Filter endstops state at all times (#11066) 2018-06-21 20:14:16 -05:00
Chris Pepper
0312c42f9d [2.0.x] LPC176x Serial cleanup (#11032) 2018-06-16 20:59:22 -05:00
Chris Pepper
f88adcbfd5 [2.0.x][LPC176x] Fix binary linking broken by pio update (#11026) 2018-06-15 15:32:51 -05:00
etagle
a215725df6 Fix stepper pulse timing 
Always honor minimum period on stepper pulse generation, and fix timing calculations

Signed-off-by: etagle <ejtagle@hotmail.com>
 2018-06-12 21:34:24 -05:00
Scott Lahteine
4dbec774b5 HAL_*_TIMER_RATE => *_TIMER_RATE 2018-06-12 16:39:12 -05:00
Eduardo José Tagle
d3c02410a8 [2.0.x] Small assorted collection of fixes and improvements (#10911) 
* Misc fixes and improvements

- Get rid of most critical sections on the Serial port drivers for AVR and DUE. Proper usage of FIFOs should allow interrupts to stay enabled without harm to queuing and dequeuing.
  Also, with 8-bit indices (for AVR) and up to 32-bit indices (for ARM), there is no need to protect reads and writes to those indices.
- Simplify the XON/XOFF logic quite a bit. Much cleaner now (both for AVR and ARM)
- Prevent a race condition (edge case) that could happen when estimating the proper value for the stepper timer (by reading it) and writing the calculated value for the time to the next ISR by disabling interrupts in those critical and small sections of the code - The problem could lead to lost steps.
- Fix dual endstops not properly homing bug (maybe).

* Set position immediately when possible
 2018-06-01 19:02:22 -05:00
Chris Pepper
d87257f63c [2.0.x][LPC176x] Fix PIO build flags (#10909) 
Don't build and link with different flags, the binary may not work.
 2018-05-31 19:08:31 -05:00
Chris Pepper
f89f7c4a82 [2.0.x][LPC176x][Build] Force single precision constants, disable freestanding (#10892) 2018-05-28 19:38:22 -05:00
Scott Lahteine
9b9b62b218 delay(SERVO_DELAY) => safe_delay(servo_delay[servo_index]) 2018-05-28 03:44:32 -05:00
Bob-the-Kuhn
1c0ad8bbae wrong type of exit method 2018-05-26 08:17:03 -05:00
Bob Kuhn
235facd545 install AVRDUDE 5.10, faster disk find for LPC1768 (#10849) 2018-05-25 20:26:48 -05:00
Bob Kuhn
e2db509d58 [2.0.x] Update/Fix LPC1768 extra script upload_extra_script.py (#10843) 
* Use a different method to find the volume info in Windows
 2018-05-25 04:31:18 -05:00
Scott Lahteine
5f8591528e Remove #pragmas that don't help c files 2018-05-23 23:47:16 -05:00
Scott Lahteine
c89649b46e Suppress U8glib build warnings 2018-05-23 02:47:36 -05:00
Bob Kuhn
6dfbb39f83 [LPC1768] Add error-handling to upload script, update autobuild.py (#10802) 2018-05-20 21:22:04 -05:00
etagle
569df3fc0c Fix interrupt-based endstop detection 
- Also implemented real endstop reading on interrupt.
 2018-05-20 07:10:24 -05:00
etagle
0566badcef Add memory barrier, optimal interrupt on-off 
Disabling an ISR on ARM has 3 instructions of latency. A Memory barrier is REQUIRED to ensure proper and predictable disabling. Memory barriers are expensive, so avoid disabling if already disabled (See https://mcuoneclipse.com/2015/10/16/nvic-disabling-interrupts-on-arm-cortex-m-and-the-need-for-a-memory-barrier-instruction/)
 2018-05-20 02:39:34 -05:00
Scott Lahteine
206014a957 Fix LPC176x timer functions 
Co-Authored-By: ejtagle <ejtagle@hotmail.com>
 2018-05-20 01:58:51 -05:00
Chris Pepper
9b64fdbc3a [LPC176x] HAL: Add missing program space definition (#10776) 2018-05-19 15:37:54 -05:00
Scott Lahteine
50270b53a0 Clear up some more compile warnings 2018-05-17 18:40:49 -05:00
etagle
40d7e12827 Removing warnings from compilation 2018-05-17 18:04:22 -05:00
Scott Lahteine
fb608938f8 Prevent compilation of unused u8g-oriented code 2018-05-14 13:31:04 -05:00
Scott Lahteine
37b15fe4cf Reorder HAL timer header items 2018-05-13 16:50:39 -05:00
Scott Lahteine
99ecdf59af Smarter MIN, MAX, ABS macros 
Use macros that explicitly avoid double-evaluation and can be used for any datatype, replacing `min`, `max`, `abs`, `fabs`, `labs`, and `FABS`.

Co-Authored-By: ejtagle <ejtagle@hotmail.com>
 2018-05-13 04:52:56 -05:00
etagle
9d98a62699 Followup to HAL optimizations and delays 
- Cleanups, fixes for Due HAL code.
- TC_IER is write-only. Use TC_IMR to test ISR state.
 2018-05-13 00:46:23 -05:00
Scott Lahteine
a1062eec5b
Better handling of DELAY_NS and DELAY_US (#10716) 
Co-Authored-By: ejtagle <ejtagle@hotmail.com>
 2018-05-12 08:34:04 -05:00
Scott Lahteine
d1b619be52 Standardize some hexadecimals 2018-05-08 09:19:18 -05:00
Scott Lahteine
456cf971af HAL FastIO cleanup and fixes 2018-04-26 00:40:16 -05:00
Scott Lahteine
2578996631
[2.0.x] Emergency parser for multiple serial ports (#10524) 2018-04-25 20:58:00 -05:00
Chris Pepper
2242b98248 [LPC176x] Emergency Parser Feature (#10516) 2018-04-25 06:44:26 -05:00
Scott Lahteine
a3ce8a3fcd Add sanity checks for EMERGENCY_PARSER 2018-04-24 09:24:26 -05:00
Eduardo José Tagle
0c428a66d9 Proper AVR preemptive interrupt handling (#10496) 
Also simplify logic on all ARM-based interrupts. Now, it is REQUIRED to properly configure interrupt priority. USART should have highest priority, followed by Stepper, and then all others.
 2018-04-23 22:05:07 -05:00
Scott Lahteine
29dda871cb Patch "upload_disk" to make python happy 2018-04-13 22:27:08 -05:00
Chris Pepper
cc6d41e1d3 Use a macro for HAL header redirection (#10380) 2018-04-12 20:25:08 -05:00
Bob-the-Kuhn
85014cd132 [2.0.x] LPC1768 - automatic selection of upload disk (#10374) 2018-04-11 14:41:16 -05:00
Bob-the-Kuhn
ab715c70d1 TMC SPI sanity-check and pins debugging (#10324) 2018-04-06 20:24:54 -05:00
Scott Lahteine
93305a2d5e Fix some spellings 2018-04-02 03:03:37 -05:00
Scott Lahteine
239902f861 Fix E2END and add EEPROM to Smart RAMPS 
Reference #9983
 2018-03-10 06:57:31 -06:00
Bob-the-Kuhn
3c58ca181c [2.0.x] Correct step pulse width on LPC1768, DUE & Teensy35_36 (#10016) 2018-03-09 02:11:28 -06:00
Scott Lahteine
98d48fc731 Followup to HAL_timer_restrain 
Followup to #9985
 2018-03-07 22:18:37 -06:00
Scott Lahteine
ca577c1638 Fix up various spacing, comments, and typos 2018-03-07 21:09:08 -06:00
Scott Lahteine
d45f19d385 Remove Unicode from var name 2018-03-07 19:08:44 -06:00
Chris Pepper
a1a88ebabc HAL function to ensure min stepper interrupt interval (#9985) 2018-03-07 17:53:25 -06:00
Scott Lahteine
beeed580b8
Implement digipots for MKS SBASE (#9927) 
Fix #9477
 2018-03-04 15:14:47 -06:00
Scott Lahteine
f3dbe19669 Tweaks to HAL codestyle 2018-02-25 04:38:17 -06:00
Scott Lahteine
90fa423737
Preliminary cleanup of #include structure (#9763) 2018-02-23 00:52:52 -06:00
Scott Lahteine
799e3b2b40 LPC1768 HAL formatting/comments 2018-02-22 14:36:17 -06:00
Scott Lahteine
a810e585db Drop HAL_timer_set_count 2018-02-20 03:10:39 -06:00
Scott Lahteine
ca55f2927a
Pulldown pin mode support (#9701) 
Implemented for LPC1768.
 2018-02-18 19:26:23 -06:00
Scott Lahteine
03d790451f
[2.0.x] HAL timer set/get count => set/get compare (#9581) 
To reduce confusion over the current timer count vs. the compare (aka "top") value. Caution: this re-uses the function name, changing its meaning.
 2018-02-10 20:42:00 -06:00
Scott Lahteine
b939a2e88c Watchdog conditional for LPC 2018-02-04 18:52:44 -06:00
Scott Lahteine
0891b58c30 #ifdef tweaks 2018-02-04 16:36:30 -06:00
Bob-the-Kuhn
3d72fe0730 snapshot 2018-02-03 21:28:05 -06:00
Scott Lahteine
33ec599ca0 Tweaky LPC1768 SPI spacing/style 2018-02-03 20:25:57 -06:00
Scott Lahteine
c46de340b7 Clean up trailing whitespace 2018-02-03 20:05:23 -06:00
Thomas Moore
e1fd9c08b3 [2.0.x] Add support for LPC1769 at 120 MHz (#9423) 2018-02-03 19:33:26 -06:00
Scott Lahteine
b13099de3f General cleanup of HAL code 2018-02-02 03:37:15 -06:00
Scott Lahteine
eb18ae9003 Define LSBFIRST / MSBFIRST for LPC 2018-02-02 00:34:23 -06:00
teemuatlut
5c69d45f5b [2.0.x] TMC2130 support for LPC platform (#9114) 2018-02-01 21:49:40 -06:00
Scott Lahteine
f5cfdf6efe Use _BV32 to avoid name conflict 2018-02-01 21:37:35 -06:00
Scott Lahteine
2bea1bda56 Move more strings to PROGMEM 2018-01-24 00:06:06 -06:00
Scott Lahteine
45cfb16424
Merge pull request #8355 from tcm0116/2.0.x-TwoWire 
[2.0.x] Master-only TwoWire (I2C) class for LPC1768
 2018-01-23 20:14:02 -06:00
Chris Pepper
f875f49caa [2.0.x] LPC1768: Fix: Serial pins disabled correctly when in use (#9193) 2018-01-22 01:54:41 -06:00
Scott Lahteine
303d792b9f
Merge pull request #9253 from tcm0116/2.0.x-mks_sbase 
[2.0.x] Cleanup MKS-SBASE compile warnings
 2018-01-19 22:37:38 -06:00
Thomas Moore
63fd23ab1c Cleanup MKS-SBASE compile warnings 2018-01-19 15:46:34 -06:00
Christopher Pepper
1e65562d55 LPC1768: HAL: only initialise used HardwareSerial ports 
Misc formatting
 2018-01-15 22:00:59 +00:00
Thomas Moore
6856eccc77 Master-only TwoWire class for LPC1768 2018-01-15 05:22:03 -06:00
Scott Lahteine
d5bf9e74c4
Merge pull request #8996 from p3p/pr_bf2_more_adc_filter 
[2.0.x] PID control fix and more LPC1768 ADC filtering
 2018-01-15 05:14:25 -06:00
Scott Lahteine
ac368f2788 Add STEPPER_ISR_ENABLED() to HALs 
Some also get a `HAL_timer_interrupt_enabled` function.
 2018-01-14 21:07:10 -06:00
Scott Lahteine
742cff5f3c Followup to #9141 2018-01-11 22:15:01 -06:00
Thomas Moore
84de428d30 [2.0.x] Fix compile errors (#9141) 
* Update persistent_store_impl.cpp
* Remove define BYTE from serial functions since Arduino docs typically show 0 for the normal case.
 2018-01-11 21:43:26 -06:00
Thomas Moore
f7efac57b7 Multi-host support 2018-01-10 00:14:47 -06:00
Bob-the-Kuhn
6a50adb4d5 works 2018-01-09 22:15:33 -06:00
Christopher Pepper
14dcad6bbc LPC1768: Increase ADC median filter from 3 values to 23 
Clarify the HAL_adc_get_result method to make sure correct values enter the filters

HAL: Fix the PID control loop for non-AVR platforms
 2018-01-07 22:15:20 +00:00
Scott Lahteine
51e0f2bee3 Add MarlinSettings::validate() 2018-01-05 14:35:24 -06:00
Scott Lahteine
3319765034 Detab some HAL files 2018-01-05 10:28:17 -06:00
Scott Lahteine
1c41de16d4 Trailing whitespace clean 2018-01-05 10:11:31 -06:00
revilor
959a2d2527 Add beginTransaction to HAL SPI (#9019) 2018-01-03 05:12:25 -06:00
Bob-the-Kuhn
eca5cc8669
Merge pull request #9003 from Bob-the-Kuhn/Due-PINS_DEBUG-&-related 
[2.0.x] add Due PINS_DEBUG support & misc improvements (replaces PR #8990)
 2018-01-02 18:47:53 -06:00
Bob-the-Kuhn
5574fad69c copy of PR #8991 code 
Formatting tweaks

correct array initialization & remove test code
 2018-01-02 11:17:46 -06:00
Bob-the-Kuhn
adb9ecf3cc copy of PR #8990 2018-01-01 16:11:56 -06:00
Scott Lahteine
1a827d5b68 Opening brace tweaks 2017-12-25 09:34:43 -06:00
Bob-the-Kuhn
1a948cbd93 Fix SET_OUTPUT glitch - LPC1768 & DUE 2017-12-24 19:25:32 -06:00
Scott Lahteine
097a26007f Fix SDSUPPORT for MKS SBASE 
Fix supplied by @cjsoong in https://github.com/MarlinFirmware/Marlin/issues/8750#issuecomment-350779983
 2017-12-17 03:05:33 -06:00
Scott Lahteine
6149b82119 Allow setting current timer counter 2017-12-10 18:38:53 -06:00
Scott Lahteine
82ef6b5242 Add an option to specify "pulse" timer 2017-12-10 18:38:53 -06:00
Scott Lahteine
de3d3b9cb1 Put FORCE_INLINE before static 2017-12-08 00:46:22 -06:00
Scott Lahteine
a3b098b4be Whitespace clean 2017-12-06 14:02:44 -06:00
Bob-the-Kuhn
57fac33a74 add explanations 
1) add explanations as to why software SPIs are selected

2) remove unused flag/option
 2017-12-03 20:32:22 -06:00
Bob-the-Kuhn
bb23286383 add README & modify spi_pins.h 
still trying to fix file name
 2017-12-03 20:00:56 -06:00
Bob-the-Kuhn
fb44f8e50f
Merge pull request #8616 from hg42/bugfix-2.0.x 
[2.0.x][LPC1768][FIX] NUM_DIGITAL_PINS was negative, fixes PWM, arduino io functions, M42, M43, M226, probably also Servo, some LCD, soft spi, SoftwareSerial, ... may be others
 2017-12-03 14:48:00 -06:00
Harald Gutsche
f5b4e1ef4f as a workaround enable PWM for any pin, see PR #8622 2017-12-03 20:37:02 +01:00