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50 commits

Author SHA1 Message Date
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
7be365ef08 gpio.h: Explicit cast to enum type (needed for g++) 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
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
Alex Stewart
da48a6b0df Remove 'packed' attribute from all regs structs 2015-08-26 11:23:52 +10:00
Angus Gratton
c565e2b90d gpio.h: Explicit cast to enum type (needed for g++) 2015-08-26 10:49:00 +10:00
Angus Gratton
22d35ed5f2 Merge pull request #29 from foogod/issue_8 
Add more *_regs.h definitions
 2015-08-24 16:14:19 +10:00
Angus Gratton
050b17adbe Add a comment explaining commented out REG_BASE lines 
Change was part of #27
 2015-08-22 17:39:25 +10:00
Alex Stewart
2f3b82812b Add esp/rtcmem_regs.h 2015-08-21 14:20:00 -07:00
Alex Stewart
fdbb361a60 Fix a couple of struct def issues with 2 previous commits 2015-08-21 14:06:38 -07:00
Alex Stewart
0b6dfb6080 Add more regs to esp/dport_regs.h 
Added a bunch of definitions based on info in http://esp8266-re.foogod.com/wiki/Memory_Map#dport0
 2015-08-21 13:59:20 -07:00
Alex Stewart
e88b5b8c4b Add esp/uart_regs.h and esp/spi_regs.h 2015-08-21 13:56:23 -07:00
Alex Stewart
1ebb85b150 rename GPIO_CONF_DRIVER_ENABLE back to GPIO_CONF_PUSH_PULL 2015-08-21 09:54:20 -07:00
Alex Stewart
8263fce80f Fix leftover IOMUX_FUNC_A/D references 2015-08-19 16:53:02 -07:00
Alex Stewart
d2231b7ff5 Cleanup a few comments in *_regs.h files 2015-08-19 16:50:56 -07:00
Alex Stewart
177ad281aa Add esp/wdt_regs.h 2015-08-19 16:48:11 -07:00
Alex Stewart
4fa66ca391 Added esp/timer_regs.h and esp/dport_regs.h 2015-08-19 11:34:18 -07:00
Alex Stewart
b271e19b51 Replace stdint.h with esp/types.h in gpio_regs.h 2015-08-19 09:05:03 -07:00
Alex Stewart
b84a69168f Fix cut-paste error in gpio_regs.h comment 2015-08-19 09:03:18 -07:00
Alex Stewart
fc1a1a7d0a Add esp/gpio_regs.h 2015-08-18 22:46:25 -07:00
Alex Stewart
2ffd3da71e Add esp/iomux_regs.h 2015-08-18 17:38:31 -07:00
Angus Gratton
19b8383069 Working TFTP server based OTA updates 
Tested with 16MBit flash configuration, two rboot update slots.

Closes #10
 2015-08-05 14:10:14 +10:00
Angus Gratton
28fdebee92 gpio: Change gpio_write argument to bool 2015-07-29 10:35:15 +10:00
Angus Gratton
86188c01fd Merge branch 'newlib' 2015-07-15 16:01:18 +10:00
Angus Gratton
1d72ed3f70 Hardware timer support 2015-07-09 12:29:40 +10:00
Angus Gratton
2c1b1ab141 Minor core header cleanups 2015-06-18 09:04:45 +10:00
Angus Gratton
1b0124cf05 Timer FRC1 & FRC2 registers 
Mostly determined from reverse engineering and poking around.

Includes first "experiments" program with random bits and pieces for
poking at registers, may be useful to keep in source control but not
useful for writing actual programs.
 2015-06-12 17:05:54 +10:00
Angus Gratton
c09167715e Indentation fixes 
- Fix dir-locals so emacs won't inject occasional tabs to case statements.
- Fix stray tab indentation in example programs. (Thx @pfalcon for pointing this out)
 2015-06-09 09:00:32 +10:00
Angus Gratton
0078252df3 Add GPIO config, interrupt registers, GPIO interrupt support, 'button' example 2015-06-08 18:20:29 +10:00
Angus Gratton
822533fd92 Interrupt support refactor 
Write inline versions for SDK-based interrupt convenience functions.
 2015-06-08 18:20:29 +10:00
Angus Gratton
2c46be9825 Basic support for GPIOs 0-15. 
Start new 'core' component for low-level parts

Progress towards #8
 2015-06-08 12:09:34 +10:00