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265 Commits

Author SHA1 Message Date
Paul Sokolovsky
debbaac1bd esp8266: Update flashing instructions in README. 2016-04-03 16:04:18 +03:00
Paul Sokolovsky
919b70b7ec esp8266: Switch back to flashing combined firmware (single file). 
With gap between segments minimized, there's not much padding to flash,
so no big speed overhead.
 2016-04-03 15:48:46 +03:00
Paul Sokolovsky
8d2bcaf3cd esp8266: Minimize gap between Inst/DataRAM segments and FlashROM segment. 
With .rodata being in FlashROM now, gap can be much smaller now. InstRAM
can be max 32K, and with segment headers, that already makes it more than
32K. Then there's some .data still, and the next Flash page boundary is
0x9000. That figure should be more or less future-proof.

TODO: Refactor makeimg to take FlashROM segment offset from file name.
 2016-04-03 15:45:14 +03:00
Paul Sokolovsky
9698a60591 esp8266/ets_alt_task: Comment out debug output. 2016-04-03 01:04:01 +03:00
Paul Sokolovsky
fcd6862597 esp8266: Bump iROM size to 512k. 
Needed for frozen scripts, and for future growth of binary.
 2016-04-03 00:57:27 +03:00
Paul Sokolovsky
ef0c5db2ed esp8266: Move .rodata where it belongs with -mforce-l32 help. 2016-04-03 00:51:51 +03:00
Paul Sokolovsky
333a63efaa esp8266/README: Add link to docs. 2016-04-03 00:01:31 +03:00
Damien George
a0cb4eda9a esp8266: Use VM_HOOK to call ets_loop_iter within the VM. 
Starting with a divisor of 10, pystone_lowmem gives a score of 256.
 2016-04-02 01:34:32 +03:00
Damien George
6a051a8e0b esp8266/uart: Get ctrl-C working now that event-based REPL is disabled. 2016-04-01 14:53:01 +03:00
Damien George
fb6cc96951 esp8266/uart: Comment out old, unused rx buffering code. 
This was originally used for non-event based REPL processing.  Then it
was unused when event-based processing was activated.  But now that event
based is disabled, and non-event based is back, there has been new ring
buffer code to process the chars.
 2016-04-01 14:30:47 +03:00
Paul Sokolovsky
fc4c43a72e esp8266: Switch to non event-driven REPL to support paste mode. 2016-04-01 14:22:28 +03:00
Paul Sokolovsky
785cf9a61f esp8266: Support dedicated REPL loop (aka pull-style). 
Event-driven loop (push-style) is still supported and default (controlled
by MICROPY_REPL_EVENT_DRIVEN setting, as expected).

Dedicated loop worked even without adding ets_loop_iter(), though that
needs to be revisited later.
 2016-04-01 14:02:36 +03:00
Paul Sokolovsky
777232c9a5 esp8266: Disallow recursive calls to REPL. 
Before this change, if REPL blocked executing some code, it was possible
to still input new statememts and excuting them, all leading to weird,
and portentially dangerous interaction.

TODO: Current implementation may have issues processing input accumulated
while REPL was blocked.
 2016-04-01 12:53:50 +03:00
Paul Sokolovsky
5531437941 esp8266: Move PHY mode constants from modesp to modnetwork. 2016-04-01 12:10:11 +03:00
Damien George
4b597a1c1a esp8266: Reset term_obj on reboot. 
Also, term_obj can be NULL if socket enables REPL duplication signalling
before os.dupterm is called, so it should be checked.
 2016-03-31 19:56:52 +03:00
Paul Sokolovsky
98af891610 esp8266: Implement input part of dupterm handling. 
The idea is following: underlying interrupt-driven or push-style data source
signals that more data is available for dupterm processing via call to
mp_hal_signal_dupterm_input(). This triggers a task which pumps data between
actual dupterm object (which may perform additional processing on data from
low-level data source) and input ring buffer.
 2016-03-31 19:49:55 +03:00
Paul Sokolovsky
61fa7c8152 esp8266: Switch back to accumulating input data via ring buffer. 
But now it's generic ring buffer implemented via ringbuf.h, and is intended
for any type of input, including dupterm's, not just UART. The general
process work like this: an interrupt-driven input source puts data into
input_buf, and then signals new data available via call to
mp_hal_signal_input().
 2016-03-30 18:50:38 +03:00
Paul Sokolovsky
2e75a17bab esp8266: Fix issue when current repl line was garbage-collected. 
Reference it from root pointers section.
 2016-03-30 18:13:03 +03:00
Damien George
9475cc59e6 esp8266: Support synchronous wifi scanning. 
That is: aps = if0.scan()

TODO: make sure that returned list has tuple with values in "standard"
order (whatever that standard is).
 2016-03-30 11:35:03 +03:00
Paul Sokolovsky
d88250c06e esp8266: Reduce heap size for now to avoid random segfaults on WiFi connect. 2016-03-29 21:14:41 +03:00
Paul Sokolovsky
c4506ed869 esp8266: Let esp8266 "os" messages go to standard (REPL) UART. 
That's definitely helpful for debugging.
 2016-03-29 21:10:10 +03:00
Paul Sokolovsky
402a743821 esp8266/esp_mphal: Add support for debug UART-only output. 
Helpful when debugging dupterm support (because otherwise all output is
spooled to dupterm too).

To use:

mp_printf(&mp_debug_print, "...");
 2016-03-29 11:48:43 +03:00
Paul Sokolovsky
8fc5e56a6a esp8266: Enable uos.dupterm() method. 2016-03-29 11:41:23 +03:00
Paul Sokolovsky
c961889e34 esp8266: Add basic support for duplicating REPL output. 2016-03-29 11:13:32 +03:00
Damien George
6ca17c1922 esp8266: Implement os.urandom function. 
Uses what is suspected to be a hardware random number generator.
 2016-03-29 10:29:57 +03:00
Paul Sokolovsky
b4070ee8a4 esp8266: Allow to build without FatFs support again. 2016-03-28 21:35:41 +03:00
Paul Sokolovsky
2f02302e22 esp8266: Support importing modules from filesystem. 2016-03-28 18:39:34 +03:00
Damien George
71d40f132d esp8266: Zero out fs_user_mount state on (soft) reset. 
Otherwise device stays mounted on soft reset and leads to corruption
(since block device object is now gone).
 2016-03-28 13:28:41 +03:00
Paul Sokolovsky
9edd736ee6 esp8266/moduos: Add os.remove(), proxying to VFS object. 2016-03-28 12:50:07 +03:00
Paul Sokolovsky
e8e116e7fc esp8266/moduos: Factor out VFS method proxy helper. 2016-03-28 12:44:36 +03:00
Paul Sokolovsky
8b08a0d9ed esp8266/moduos: Add listdir() proxy for MP_STATE_PORT(fs_user_mount)[0]. 
I.e. os.listdir(...) will redirect to
MP_STATE_PORT(fs_user_mount)[0].listdir(...).
 2016-03-28 12:29:47 +03:00
Damien George
61230e007d esp8266/moduos: Use mp_rom_map_elem_t for static const dictionary. 2016-03-28 12:08:36 +03:00
Paul Sokolovsky
b01a373adb esp8266: deploy: Use --flash_size=8m option to esptool.py. 
Most esp8266 modules have at least 1MB (8Mbit) of flash. If not set, vendor
functions allow to access only first 512K.
 2016-03-28 11:28:16 +03:00
Paul Sokolovsky
cd6194aefc esp8266/esp8266.ld: Put FatFs to FlashROM. 2016-03-27 17:15:25 +03:00
Paul Sokolovsky
374654f2b8 esp8266: Enable FatFs support. 2016-03-27 17:13:47 +03:00
Paul Sokolovsky
fe9bc0c573 esp8266/README: Update for the current status of the port. 2016-03-27 16:10:58 +03:00
Paul Sokolovsky
bbc65d4eda esp8266/modesp: flash_read(): Accept buffer to read to as a second argument. 2016-03-27 15:34:35 +03:00
Paul Sokolovsky
fd86bf5917 esp8266/modesp: flash_write(): Writes in multiples of 4 bytes. 2016-03-27 15:32:58 +03:00
Paul Sokolovsky
53302f1616 esp8266: Set up UART handling task soon into init process. 
Otherwise, events may be posted to non-initialized task, which leads to
segfaults.
 2016-03-27 14:33:17 +03:00
Paul Sokolovsky
935e021250 esp8266: Put modpybi2c.o to FlashROM. 2016-03-26 10:59:25 +02:00
Damien George
c33a76059f esp8266/tests: Add neopixel.py test. 2016-03-26 10:55:29 +02:00
Damien George
3962766be0 esp8266: Add esp.neopixel_write function to bit-bang WS2812 data. 2016-03-26 10:55:21 +02:00
Damien George
b62beadae0 esp8266: Link ADC class into machine module. 2016-03-26 00:41:37 +02:00
Paul Sokolovsky
f71c0699a5 esp8266: Put utils.o to FlashROM. 2016-03-26 00:39:51 +02:00
Paul Sokolovsky
9c7e3353e5 esp8266: Put lexerstr32.o into FlashROM. 2016-03-26 00:39:02 +02:00
Paul Sokolovsky
ba640bde55 esp8266/esppwm.c: Fix IRQ handler prototype. 2016-03-26 00:34:28 +02:00
Damien George
632d8efa05 esp8266: Add PWM support. 
PWM implementation uses a timer and interrupts (FRC1), taken from
Espressif's/NodeMCU's implementation and adapted for our use.

8 channels are supported, on pins 0, 2, 4, 5, 12, 13, 14, 15.

Usage:

    import machine
    pwm0 = machine.PWM(machine.Pin(0))
    pwm0.freq(1000)
    pwm0.duty(500)

Frequency is shared (ie the same) for all channels.  Frequency is
between 1 and 1000.  Duty is between 0 and 1023.
 2016-03-26 00:32:37 +02:00
Damien George
82b95f625e esp8266: Implement software SPI class. 
Supports speeds up to 500k baud, polarity=0/1, phase=0/1, and using any
pins.  Only supports MSB output at the moment.
 2016-03-25 23:28:13 +02:00
Paul Sokolovsky
ac671546d1 esp8266/README: Remove outdated reference to initial port heap size. 2016-03-25 15:02:23 +02:00
Damien George
a5d48b1162 esp8266: Add tests/onewire.py as a driver and test code for ds18b20 dev. 2016-03-24 17:35:26 +02:00
Damien George
78d0dde562 esp8266: Add onewire helper functions as C module. 
Includes functions to read and write bits and bytes.
 2016-03-24 17:33:42 +02:00
Damien George
0cdbd356fd esp8266: Implement bit-bang I2C read, and add i2c.readfrom method. 
I2C reading tested with TSL2561 luminosity sensor.
 2016-03-24 11:46:05 +02:00
Damien George
5b9f361824 esp8266: Clean up bit-bang I2C implementation. 
Changed from using set_sda_scl function to independent set_sda and
set_scl functions.
 2016-03-24 11:37:52 +02:00
Paul Sokolovsky
667d64b430 esp8266/modpybi2c: Add missing include. 2016-03-24 11:21:36 +02:00
Damien George
dd32f02cc3 esp8266: Add basic I2C driver, with init and writeto methods. 
Tested and working with SSD1306 I2C display.
 2016-03-24 11:17:17 +02:00
Damien George
7059c8c23c esp8266: Expose pin object as a public structure for use as C pin API. 
This is an initial attempt at making a simple C pin API for writing
things like I2C drivers in C.
 2016-03-24 11:07:41 +02:00
Paul Sokolovsky
a1d072df81 esp8266: Enable auto-indent in REPL. 2016-03-23 16:30:29 +02:00
Paul Sokolovsky
df1f6783f2 esp8266: Add "socket" and "usocket" aliases for lwip module. 2016-03-23 16:25:55 +02:00
Paul Sokolovsky
494aea3e86 esp8266: Enable non-blocking stream support. 2016-03-23 16:15:49 +02:00
Damien George
5bc9398d9d esp8266: Enable more extmod's: uheapq, ure, uzlib. 2016-03-23 14:19:14 +02:00
Damien George
8000d51b68 esp8266: Add module weak link from json to ujson. 2016-03-23 14:16:46 +02:00
Paul Sokolovsky
1a0adf49df esp8266: Enable urandom module. 2016-03-23 13:33:17 +02:00
Damien George
e673714cfe esp8266: Make mp_hal_delay_us work with new event framework. 2016-03-23 13:01:21 +02:00
Paul Sokolovsky
58e2ad42ae esp8266: Update README with the latest features. 2016-03-23 12:08:15 +02:00
Damien George
556a1df6fd esp8266/ets_alt_task: Make FIRST_PRIO=0 to cover all task priorities. 
FIRST_PRIO=2 works but using 0 is hopefully safer, and can anyway be
optimised in the future.
 2016-03-17 16:28:06 +00:00
Paul Sokolovsky
9d7b871f58 esp8266: Store frozen modules in FlashROM. 
Requires special lexer to access their contents.
 2016-03-17 23:06:47 +08:00
Paul Sokolovsky
e5c39a3a9e esp8266: Switch to lwIP built from source. 
Using https://github.com/pfalcon/esp-open-lwip project.
 2016-03-12 11:45:53 +07:00
Christopher Arndt
3d0e3a3d3e esp8266: Mention git submodule in build instructions for esp8266 port. 2016-03-11 10:07:02 +00:00
Damien George
932f07ccf5 esp8266: Rejig Makefile so extmod/modlwip.o is placed under build/. 2016-03-11 12:00:01 +07:00
Paul Sokolovsky
4c2cb7e384 esp8266: Define MICROPY_EVENT_POLL_HOOK for the port. 2016-03-11 10:41:10 +07:00
Paul Sokolovsky
6e5c31c947 esp8266: Be sure to build ets_alt_task. 2016-03-11 09:43:39 +07:00
Paul Sokolovsky
a099bfe89c esp8266/esp_mphal: Add higher-level event polling function. 
ets_event_poll() polls both system events and uPy pending exception.
 2016-03-11 09:42:03 +07:00
Paul Sokolovsky
54fc247f9b esp8266/ets_alt_task: Update for vendor SDK 1.5.0. 
SDK 1.5.0 has a task with priority 3: ets_task(401001f4, 3, 3fff9808, 4).
Recognizing SDK version requires the latets esp-open-sdk build.
 2016-03-11 09:17:57 +07:00
Paul Sokolovsky
97375f4576 esp8266/ets_alt_task: Be sure to "pop" event before calling its handler. 
Otherwise, if handler calls recursive event loop, there's infinite
recursion (because the loop calls the same handler on same event again).
 2016-03-11 09:16:34 +07:00
Damien George
7261f17b9e esp8266: Feed WDT in ets_loop_iter(). 2016-03-11 09:15:06 +07:00
Paul Sokolovsky
97c2628900 esp8266: Add alternative event loop implementation. 
This implementation provides the same interface and uses the same
datastructures as used by BootROM, i.e. is a drop-in replacement for it.
But it offers one advantage: it allows to run single iteration of
event-pumping loop.

Original BootROM function are renamed, prefixed with underscore. There's
a switch which allows to use forward calls to them, for compatibility
testing.

The implementation also includes workarounds for hardware timer handler,
and these workarounds may be SDK version specific.
 2016-03-11 09:13:31 +07:00
Paul Sokolovsky
5239a8a82b esp8266/modnetwork: Add symbolic names for network interfaces: STA_IF & AP_IF. 
These are expected to be passed to network.WLAN() to instantiate network
interface objects.
 2016-03-10 10:44:15 +07:00
Paul Sokolovsky
a49c16069c esp8266/modnetwork: Introduce interface .config() method. 
Allows to set (in case keyword args are given) or query (in case a single
"symbolic keyword" (a string, value is the same as keyword)) arbitrary
interface paramters (i.e. extensible and adaptable to various hardware).

Example usage:

ap_if = network.WLAN(1)
ap_if.config(essid="MicroPython on Air")
print(ap_if.config("essid"))
 2016-03-10 10:41:55 +07:00
Paul Sokolovsky
d5a12a6608 esp8266/modnetwork: Move config defines to the top. 2016-03-10 10:39:52 +07:00
Paul Sokolovsky
1c43a0fbf8 esp8266/modnetwork: Add per-interface .active() method. 
Allows to up/down interface when called with a boolean, or query current
state if called without args. This per-interface method is intended to
supersede adhoc network.wifi_mode() function.
 2016-03-10 09:31:23 +07:00
Paul Sokolovsky
7378c50b2f esp8266: Move wifi_mode() and phy_mode() to network module. 2016-03-10 09:29:21 +07:00
Paul Sokolovsky
9e8396accb esp8266/modnetwork: Allow to configure STA and AP interfaces separately. 
On ESP8266, there're 2 different interfaces. Pretending it's not the case
desn't make sense. So, network.WLAN() now takes interface id, and returns
interface object. Individual operations are then methods of interface
object. Some operations require i/f of specific type (e.g. .connect()
makes sense only for STA), other are defined for any (e.g. .ifconfig(),
.mac()).
 2016-03-10 09:24:54 +07:00
Damien George
f7be80398e esp8266: Move pyb.freq to machine.freq. 2016-03-09 09:03:59 +07:00
Paul Sokolovsky
a0cd118b14 esp8266/main: Module to run on boot is "boot", not "main". 2016-03-08 12:37:24 +07:00
Damien George
3fbbbecec9 esp8266: Put more code in iROM section. 
Also explicitly name the py/*.o files in the linker file, to enable easy
testing of putting certain ones in iRAM.
 2016-03-08 11:31:39 +07:00
Paul Sokolovsky
d684f872bd esp8266/Makefile: Add define for ESP8266 lwIP. 2016-03-08 10:29:05 +07:00
Damien George
05dda0ee9e esp8266: Enable modlwip. 2016-03-08 10:21:50 +07:00
Paul Sokolovsky
88b0490945 esp8266: Don't gc-collect BSS. 
None of the other ports do, since introduction of mp_state_ctx_t. In
the case of current esp8266 port, heap is inside BSS, so scanning it
picked up a lot of dead pointers.
 2016-03-08 10:16:06 +07:00
Paul Sokolovsky
db984b73f3 esp8266: Enable stack overflow checking. 2016-03-07 14:15:00 +07:00
Damien George
52d7685d9a esp8266: Allow Makefile's BAUD variable to be overridden. 2016-03-06 05:57:36 +02:00
Paul Sokolovsky
d9d4a72679 esp8266/uart: Add uart_flush() function. 2016-03-05 22:13:26 +02:00
Paul Sokolovsky
d3a4d39687 esp8266: Support raising KeyboardInterrupt on Ctrl+C. 2016-03-05 22:01:27 +02:00
Damien George
077448328a esp8266/etshal.h: More prototypes of ESP8266 SDK/BootROM functions. 2016-03-05 21:56:32 +02:00
Paul Sokolovsky
26f0616e8f esp8266/modmachine: Add Pin class from modpyb. 2016-03-05 21:43:11 +02:00
Paul Sokolovsky
eb247eacd8 esp8266/modpybpin: Add support for GPIO16. 
GPIO16 is actually special-function I/O, though some boards have LED there.
 2016-03-05 21:37:55 +02:00
Damien George
342d903a13 esp8266: Expose simple pin API at C level. 2016-03-05 21:36:32 +02:00
Damien George
cdad2b6f4d esp8266: Implement Pin.__call__() and Pin.OPEN_DRAIN mode. 
OPEN_DRAIN is of course synthesised.  All pin modes are tested and
working.
 2016-03-05 21:35:32 +02:00
Paul Sokolovsky
8ab16b6af0 esp8266: Add custom _assert() function. 
Enabling standard assert() (by removing -DNDEBUG) produces non-bootable
binary (because all messages go to .rodata which silently overflows).
So, for once-off debugging, have a custom _assert().
 2016-03-05 11:30:15 +02:00
Paul Sokolovsky
c70637bc00 esp8266/modmachine: Timer: Add ONE_SHOT and PERIODIC symbolic constants. 2016-03-04 22:26:59 +02:00
Paul Sokolovsky
98b727c931 esp8266/modmachine: Use etshal.h. 2016-03-04 19:41:15 +02:00