* * Harden stdio_usb and stdio in general against deadlocks which could otherwise result from doing printfs from within IRQs
* Add a test for the above
* Add mutex_try_enter_block_until API.
* Make best_effort_wfe_or_timeout not use alarms if called from within IRQ
* minor cleanup of lwip+tinyusb docs, and bump sdk verison number to 1.5.0-develop
* Update cyw43_arch docs for async_context_use
* remove accidental copy of some comments
Add a -nostdlib specifically for the check to ensure that it builds
successfully.
The -nostdlib isn't needed normally, because linking against the pico
SDK will add in definitions for the previously-missing function
There's currently no way to be notified in a "stdio" agnostic way
whether there's an incoming character available. You can poll with
getchar_timeout_us, but that's far from ideal.
Add a method that takes a callback to notify that a character might be
available.
1. Make sure Pico SDK libraries have the correct dependencies on other SDK libraries
2. Pico SDK libraries all have _headers variants to include the headers. This may facilitate building user STATIC libraries without
pulling in SDK code, though care will still need to be taken w.r.t. values of #defines
3. Make sure the _headers versions also have the correct dependencies
Note: There are a few exceptions to 1. for some non code libraries like pico_standard_link and pico_cxx_options
* Add BSSID connection options to PicoW
When working with a mesh or multiple APs with the same SSID, it is often
necessary to specify which of the APs to connect to in order to maximize
the WiFi strength.
Add BSSID options to the SDK's PicoW cyw43_arch_wifi_connect_XXX APIs.
Fixes#1090
Co-authored-by: Earle F. Philhower, III <earlephilhower@yahoo.com>
Basically the integration code (cyw43_config.h and related implementations) are now in the driver.
cyw43_arch now just has
* async_context creation per CYW43_ARCH_TYPE
* pre-existing cyw43_arch methods for connect etc.
Add a general purpose random number generator via pico_rand library. which tries to use as much real entropy as possible mixed into a PRNG
Co-authored-by: graham sanderson <graham.sanderson@raspberrypi.com>
