Tags: tymeorama/arduino-pico
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Rename assembly dir to boot2, only has boot2.Ss (earlephilhower#230)
Add CPU cycle counter accessors (earlephilhower#226) Use the 24-bit SYSTICK peripheral, wrapped in logic to extend it to a full 32 or 64bits. W/o the wrapper, SYSTICK will wrap around in ~100ms. Adds rp2040.getCycleCount() and rp2040.getCycleCount64() Clean up the libpico build process as crt0.S from the pico-sdk should be directly used. Clean up the keywords file.
Clear I2C status on short slave reads Fixes earlephilhower#222 The HW needs to have the TXC_ABRT flag cleared when a slave transmission is cut short by the master, or else it will effectively break the I2C bus and never recover.
Fix file creation on SD and SDFS (earlephilhower#216) The O_CREAT/etc. flags on the Pico are a full 32-bits in size, but the core was generating a flag for SdFat using an 8-bit type, so all the O_CREAT, O_TRUNC, O_APPEND, etc. flags got cut off. Fix the flag size. Fixes earlephilhower#214
Fix SerialUART flush (earlephilhower#215) Serial1.flush/Serial2.flush was not waiting for the proper FIFO to clear. Use the proper call from the Pico SDK. Thanks to Peter Remias for noting it.
Initial Arduino Nano RP2040 Connect support (earlephilhower#212) Thanks to @Claupio for the bringup! Reference earlephilhower#208
Obey timeout value on SerialUART.read/.peek (earlephilhower#211) Fixes a hang when reading from the Serial UART ports because before the core would pause indefinitely for the next character. Now, wait up to Serial.setTimeout() milliseconds and if it times out return -1 to the app. Fixes earlephilhower#210
Update to PICO-SDK version 1.2.0 (earlephilhower#207) Minor rev to the tinyUSB version used, new ID function.
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