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3 Commits

Author SHA1 Message Date
Ayke van Laethem 2d32995f6a ws2812: support high-MHz ARMv6M chips like the RP2040 
The possible branch distance is a lot shorter on ARMv6M (Cortex-M and
Cortex-M0+) for conditional branches. Therefore, convert this long
conditional branch into an unconditional branch.

This probably makes the code a little bit slower but because it is in
the low period of the WS2812 signal it shouldn't matter for the
protocol. And it avoids difficult workarounds specifically for the
RP2040.
 2022-03-10 10:50:12 +01:00
Ayke van Laethem 94729a4f7d ws2812: add support for RISC-V 
This commit adds support for two new chips using the RISC-V
architecture: the FE310 (used in the HiFive 1) and the ESP32-C3 from
Espressif.
 2021-11-03 19:14:32 +01:00
Ayke van Laethem 050cf4dbbc ws2812: make assembly generator architecture independent 2021-11-03 19:14:32 +01:00