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81 commits

Author SHA1 Message Date
Angus Gratton
36886412e6 Add abort() implementation 
Also reduces the IRAM footprint of the fatal exception handler, as only
the prelude (which disables interrupts & enables the flash mapping) is
in IRAM now.

Closes #54, relevant to #133.
 2016-05-15 22:30:01 +10:00
Angus Gratton
52f9b13faf Break out debug dump functions into their own compilation unit 2016-05-15 22:30:01 +10:00
UncleRus
3a62a0af0c esp/gpio.h c++ compatibility 2016-03-22 01:51:50 +05:00
UncleRus
42018f0315 SPI big endian swap bug fix, spi_get_settings()/spi_set_settings() 2016-03-18 03:27:36 +05:00
UncleRus
b0fb8736a8 Comments updated 2016-03-13 16:48:05 +05:00
UncleRus
22ceb08b49 Tabs to spaces. Again. 2016-03-13 02:25:15 +05:00
UncleRus
b4554b5806 SPI mode bug fixed, SPI endianness bugs fixed, new spi_transfer() 2016-03-13 01:59:52 +05:00
UncleRus
9dc565ff7c Separate send/receive buffers 2016-03-08 04:00:11 +05:00
UncleRus
b5c2120efc Removed redeclaration of peripheral bus freq 2016-03-06 01:24:59 +05:00
UncleRus
bd40f75d37 Hardware SPI driver 2016-03-05 02:29:01 +05:00
Alex Stewart
8279b5cfd1 Added some clarifications to comments in esp/gpio.h 2016-02-22 09:32:12 -08:00
Alex Stewart
c36feab845 Separate pullup config out of gpio_enable() 
Created `gpio_set_pullup` to configure pullups independently of direction.
Removed GPIO_INPUT_PULLUP direction type.
Added misc other helper functions in iomux.h
 2016-02-21 18:34:11 -08:00
Angus Gratton
812c2fef21 Removed INLINED (force inline) macro. 
Progress towards #57.
 2015-11-28 18:01:03 +11:00
Angus Gratton
2887896c76 timers.h: Return error codes instead of true/false for failures 2015-11-28 16:33:39 +11:00
Angus Gratton
336bad573d timers.h: Remove compile-time-auto-inlining complexity 
Fixes bug mentioned in #72 (oops!), also progress towards #57.
 2015-11-28 16:32:52 +11:00
Angus Gratton
5301174290 registers.h: Add i2s, SLC, RTC register headers 2015-11-20 17:56:38 +11:00
Angus Gratton
d63a341c4c RTC registers: Add some notes about other register values 
Still patchy, but more towards #8.
 2015-11-20 17:49:46 +11:00
Angus Gratton
925753819e Add in-progress RTC register header (some registers still undocumented) 
Author for this work is @foogod, extracted from 1da996e (open-libmain branch).

Progress towards #8.
 2015-11-20 17:31:11 +11:00
Angus Gratton
547c57c840 Add SLC interrupt number 1. Closes #69 2015-11-20 17:25:15 +11:00
Dag Ågren
cad1655330 Add static asserts and create slc.h header for descriptor struct 2015-11-19 21:14:16 +02:00
Dag Agren
1f1bb4d190 Add I2S and SLC register headers 2015-11-16 00:20:16 +02:00
Angus Gratton
5cd31c649a GPIO2 UART iomux values: Remove _BLINK from macro name 
This pin acts as a real TX not an activity LED as some pages suggest.
 2015-10-28 20:31:50 +11:00
Angus Gratton
0165592231 iomux: Fix bug setting IOMUX_FUNC(4) 
Function masking value was incorrect
 2015-10-28 20:31:44 +11:00
Angus Gratton
cd68622292 Merge branch 'master' into uart_h 2015-10-06 18:37:28 +11:00
Angus Gratton
dc0fa4e207 Merge pull request #50 from SuperHouse/fix/interrupts 
Fix/interrupts
 2015-10-06 18:36:03 +11:00
Angus Gratton
3ceadfc0a6 uart.h: Add uart_get_baud/uart_set_baud functions, change default baud rate from 74906 to 115200 2015-10-06 17:49:00 +11:00
Alex Stewart
707d0ed981 Fix issue #52. Add esp/uart.h 2015-10-05 21:51:57 -07:00
Angus Gratton
afd58bc1ff core headers: Add C++ linker compatibility 2015-10-05 18:33:32 +11:00
Angus Gratton
89c481c606 Simplify interrupt and RTOS timer tick handlers 
RTOS Timer tick handler is now the same as any other ISR.

This causes a few subtle behaviour changes that seem OK but are worth noting:

* RTOS tick handler sdk__xt_timer_int() is now called from one stack
  frame deeper (inside _xt_isr_handler()), whereas before it was called
  from the level above in UserHandleInterrupt. I can't see any way that
  the extra ~40 bytes of stack use here hurt, though.

* sdk__xt_timer_int() was previous called after all other interrupts
  flagged in the handler, now it's called before the TIMER FRC1 & FRC2
  handlers. The tick handler doesn't appear to do anything particularly
  timing intensive, though.

* GPIO interrupt (value 3) is now lower priority than the SPI
  interrupt (value 2), whereas before it would have been called before
  SPI if both interrupts triggered at once.
 2015-09-29 13:21:04 +10:00
Angus Gratton
ed8470631f Consolidate interrupt management in core as esp/interrupts.h & esp_interrupts.c 2015-09-28 22:15:40 +10:00
Angus Gratton
87f77b1021 Refactor Hardware RNG functions to esp/hwrand.h 
As suggested by @foogod, thanks!
 2015-09-24 20:48:16 +10:00
Angus Gratton
09405a9095 Merge branch 'master' into feature/mbedtls 2015-09-24 20:40:36 +10:00
Alex Stewart
ba7492756c Merge branch 'master' into open-startup 2015-09-20 14:05:54 -07:00
Angus Gratton
b03f279f74 mbedTLS: Add ESP8266 hardware entropy source discovered by @foogod 
Addresses #3, provided turns out to be an effective HWRNG.
 2015-09-20 21:15:30 +10:00
Angus Gratton
3aff91c85c Rename GPIO_CONF_PUSH_PULL to GPIO_CONF_OPEN_DRAIN 
Seems I got the functionality of this bit inverted when
initially testing.

In testing it also seems open drain mode is ignored on some pins, which
still source current. Needs more investigation though (may be pullups
internal to the ESP modules or set by default in software.)

Relates to #45
 2015-09-20 21:13:38 +10:00
Angus Gratton
f31daa7f9a iomux: Fix setting of invalid bits when masking in iomux fields 
Fixes regression from 2a939e97

Part of issue #45
 2015-09-20 21:13:38 +10:00
Angus Gratton
6c06e5e91e common_macros: Include sys/cdefs.h, defines _Static_assert among others 2015-09-20 21:13:38 +10:00
Angus Gratton
7be365ef08 gpio.h: Explicit cast to enum type (needed for g++) 2015-09-20 21:13:38 +10:00
Michael Jacobsen
372827ac42 Mostly updated header files for use in C++ 2015-09-20 21:13:38 +10:00
Angus Gratton
8b90dbd9e5 Merge branch 'feature/c++' 2015-09-12 16:27:26 +10:00
Angus Gratton
c45e84d61d Rename GPIO_CONF_PUSH_PULL to GPIO_CONF_OPEN_DRAIN 
Seems I got the functionality of this bit inverted when
initially testing.

In testing it also seems open drain mode is ignored on some pins, which
still source current. Needs more investigation though (may be pullups
internal to the ESP modules or set by default in software.)

Relates to #45
 2015-09-12 16:21:26 +10:00
Angus Gratton
91d897dbbe iomux: Fix setting of invalid bits when masking in iomux fields 
Fixes regression from 2a939e97

Part of issue #45
 2015-09-12 15:23:42 +10:00
Angus Gratton
7ed064a750 libc: Redefine int32_t/uint32_t as 'int' not 'long' 
libc built from projectgus/newlib-xtensa@0077776963

Closes #42
 2015-09-05 13:37:00 +10:00
Alex Stewart
a88f36d986 More app_main.c fixups 
It's alive! IT'S ALIVE!!
 2015-08-28 18:53:43 -07:00
Alex Stewart
a9eb3a38e3 More app_main fixups from object code comparisons 2015-08-28 18:53:43 -07:00
Alex Stewart
aa7f305e16 Various app_main.c bug fixes 2015-08-28 18:53:43 -07:00
Alex Stewart
a044c061d5 Replace libmain:app_main.o with core/app_main.c 2015-08-28 18:53:43 -07:00
Alex Stewart
b0206d0ca6 Fix broken UART(i) definition 2015-08-25 22:31:47 -07:00
Angus Gratton
c824bcf74a common_macros: Include sys/cdefs.h, defines _Static_assert among others 2015-08-26 11:11:31 +10:00
Angus Gratton
c565e2b90d gpio.h: Explicit cast to enum type (needed for g++) 2015-08-26 10:49:00 +10:00