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Paul Grayson b5823604a0 rp2/machine_pwm: Use more accurate formulas for freq and duty_u16. 
This changes the freq() and duty_u16() functions to use more simpler, more
accurate formulas, in particular increasing the frequency accuracy from a
few percent to a fraction of a percent in many cases.

Signed-off-by: Paul Grayson <pdg@alum.mit.edu>
 		2023-01-12 16:28:00 +11:00
..
bare-arm bare-arm/mpconfigport.h: Disable remaining optional features. 2021-11-01 14:23:06 +11:00
cc3200 cc3200: Remove unused NIC type customisation. 2022-12-15 17:40:18 +11:00
esp32 esp32/boards/GENERIC_S3_SPIRAM_OCT: Add ESP32S3 board with Octal SPIRAM. 2022-12-19 13:29:33 +11:00
esp8266 esp8266/machine_pin: Disable open drain when pin becomes input/output. 2022-11-15 12:51:39 +11:00
mimxrt mimxrt/sdcard: Remove obsolete code already excluded by preprocessor. 2022-12-14 13:05:27 +11:00
minimal minimal/Makefile: Set linker to $(CC). 2022-11-15 17:09:37 +11:00
nrf nrf/boards/seeed_xiao_nrf52: Add defn for Seeed XIAO NRF52840 Sense. 2022-12-15 14:27:08 +11:00
pic16bit all: Use += rather than = everywhere for CFLAGS/LDFLAGS/LIBS. 2022-10-11 23:17:41 +11:00
powerpc all: Use += rather than = everywhere for CFLAGS/LDFLAGS/LIBS. 2022-10-11 23:17:41 +11:00
qemu-arm py/objstr: Add hex/fromhex to bytes/memoryview/bytearray. 2022-08-12 12:44:30 +10:00
renesas-ra renesas-ra: Add the UART methods uart.txdone() and uart.flush(). 2022-12-15 12:09:34 +01:00
rp2 rp2/machine_pwm: Use more accurate formulas for freq and duty_u16. 2023-01-12 16:28:00 +11:00
samd samd/boards/SEEED_XIAO: Rename to SEEED_XIAO_SAMD21. 2022-12-15 14:18:44 +11:00
stm32 stm32/powerctrl: Fix build on STM32G0xx and STM32H7Bx MCUs. 2022-12-16 16:48:59 +11:00
teensy extmod: Make extmod.mk self-contained. 2022-10-11 23:31:49 +11:00
unix unix/moduos: Implement 2-arg version of os.getenv(). 2022-12-14 13:38:39 +11:00
webassembly webassembly/library: Extract and send data to print as UInt8Array. 2022-12-13 17:16:37 +11:00
windows windows/.gitignore: Simplify by removing build artefacts. 2022-12-13 17:22:11 +11:00
zephyr zephyr: Rename machine I2C and SPI types consistently across ports. 2022-10-22 12:58:21 +11:00