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191 commits

Author SHA1 Message Date
Angus Gratton
424dc0f3b0 Add C++ support to Makefile, and proof-of-concept simple.cpp example 
This is a work in progress based on @mikejac's work.

Missing:
* No 'new' operator.
* I don't think STL is currently supported.
 2015-08-10 16:14:30 +10:00
Angus Gratton
3eee1a9845 Examples: Fix printf argument flags for older example programs 2015-08-10 14:50:56 +10:00
Angus Gratton
72670be012 Update work with WiFi credentials 
PR #16
 2015-08-10 14:50:32 +10:00
Angus Gratton
bfd38cd1e2 Experimental support for storing const strings in SPI flash or IRAM 
As discussed in #11

Known limitations:
- Only supports l8ui/l16ui
- Unoptimised load routine
- Not called from DoubleExceptionHandler but should be
- Doesn't restore state properly when falling through to fatal exception handler
 2015-08-10 12:03:03 +10:00
Johan Kanflo
0e521a74a9 WiFi credentials 
Changed local.h to include/ssid_config.h and added instructions on how
to keep your WiFi credentials safe from Github.
 2015-08-07 13:26:06 +02:00
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
6887a8119a Simple example: Fix printf modifier 2015-08-05 14:04:12 +10:00
Angus Gratton
147257efa4 Almost functional OTA support 
ota_basic example can receive new image via TCP.

However - writing to flash with interrupts disabled causes data loss,
and the TCP flow is very slow to recover. Linux sender quickly ramps up
RTT timer to very long retry intervals, crippling performance &
throughput.

Running the update without the flash writes causes the data to be
received quickly, so this is definitely an issue with the time taken for
the erase cycle.

Progress towards #10
 2015-07-29 16:50:23 +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
ad37abda8b blink examplpe: Fix FreeRTOSConfig mistake 2015-06-17 08:07:26 +10:00
Angus Gratton
72b61b17f8 Create a default FreeRTOSConfig.h, can override on a per-program basis 
Closes #12
 2015-06-16 17:28:32 +10:00
Angus Gratton
8478dfd92f Examples: Rename main.c files to more descriptive file names 2015-06-16 16:59:32 +10:00
Angus Gratton
f0db6f2b98 WiFi Examples: Load SSID & password from a common local.h file instead 
of coding into program
 2015-06-16 16:58:27 +10:00
Angus Gratton
2e51f7b164 http_get_ssl example: Fix name of output elf file 2015-06-16 14:23:48 +10:00
Angus Gratton
aaef4b0644 Replace all binary SDK libc functions with newlib 
Adds a new build step to remove the SDK object files listed in
<libname>.remove.

Closes #1.
 2015-06-16 14:21:24 +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
685a48583a Change 'TARGET' in makefiles to 'PROGRAM', keep consistent with documentation terminology 2015-06-12 10:26:02 +10:00
Angus Gratton
47a7bb1952 blink example: Remove stray gpio_enable call 2015-06-12 09:57:32 +10:00
Angus Gratton
6a5866aa55 http examples: don't write NULs to sockets 
Thanks @pfalcon for the heads-up.
 2015-06-09 09:03:56 +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
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
Angus Gratton
81afe58334 Change symbol extraction to use objdump not nm 
nm outputs warnings to stderr so hard to clean output.

Also now picks up global variables, like NMIIrqOn.
 2015-06-02 17:57:33 +10:00
Angus Gratton
9e3328abe8 Add 'examples' top level Makefile for building all examples together 2015-06-02 17:56:41 +10:00
Angus Gratton
70cec6c3b7 Rename the sdk_prototypes header to sdk_private 2015-06-02 17:15:00 +10:00
Angus Gratton
1292829a07 Add hmac test vector test program 2015-06-02 17:15:00 +10:00
Angus Gratton
c126fa6430 Add README, 'make help', header comments, Copyright notices 2015-06-02 17:12:20 +10:00
Angus Gratton
93c3e1a53a Add http_get_ssl example 2015-06-02 17:12:20 +10:00
Angus Gratton
e743d03a78 Preprocess all binary SDK symbols to add an sdk_ prefix 
* This fixes the problem of axTLS symbols hmac_md5/hmac_sha1 having same
  name as symbols in libwpa (which have incompatible signatures)

* Also allows for easier identification and piece-by-piece removal of
  binary functions.

* Some libc symbols are not renamed, list is in lib/symbols_norename.txt
 2015-06-02 15:08:35 +10:00
Angus Gratton
a6e8647114 Clean up FreeRTOSConfig defaults, increase min task stack size 2015-06-02 15:08:35 +10:00
Angus Gratton
cba882b46d http_get example: Fix printing of DNS resolved IP 2015-06-02 15:08:35 +10:00
Angus Gratton
7c982da48f Add function prototypes for LWIP SDK functions, allow compilng with -Werror again 2015-06-02 15:08:35 +10:00
Angus Gratton
df9e9bf9a4 Working from-source IP stack 2015-06-02 15:08:35 +10:00
Angus Gratton
e4bc8fab7a First set of changes for from-source esp-lwip 2015-06-02 15:08:35 +10:00
Angus Gratton
806962d5c7 Replace lwip SDK blob with lwip 1.4.1 upstream source 
Compiles but won't work yet
 2015-06-02 15:08:26 +10:00
Angus Gratton
d68970d51b Add example HTTP client 2015-06-02 15:07:54 +10:00
Angus Gratton
c2bdc4bf96 Change main Makefile to common.mk, add per-example Makefile that 
includes common.mk
 2015-05-07 15:58:01 +10:00
Angus Gratton
a63d6b61c9 Make example slightly more complex 2015-05-07 14:23:24 +10:00
Angus Gratton
b3c674d89d Swap memory management to FreeRTOS-style, fixed heap size 2015-05-07 14:23:24 +10:00
Angus Gratton
1ffbc303ff Working variant of esp_iot_rtos_sdk (files from commit ec75c85f9ef53) 2015-05-07 14:22:25 +10:00