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khoih-prog / RP2040_PWM

Star 10

This library enables you to use Hardware-based PWM channels on RP2040-based boards, such as Nano_RP2040_Connect, RASPBERRY_PI_PICO, with either Arduino-mbed (mbed_nano or mbed_rp2040) or arduino-pico core to create and output PWM any GPIO pin. The most important feature is they're purely hardware-based PWM channels, supporting very high PWM frequencies. Therefore, their executions are not blocked by bad-behaving functions or tasks. This important feature is absolutely necessary for mission-critical tasks. These hardware-based PWMs, still work even if other software functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software-based PWM using ISR, millis() or micros(). That's necessary if you need to control devices requiring high precision. New efficient setPWM_manual function to facilitate waveform creation using PWM

waveform mbed pwm non-blocking pwm-driver duty-cycle precise pwm-frequency mission-critical waveform-generator rp2040 raspberry-pi-pico arduino-mbed nano-rp2040-connect arduino-pico mbed-rp2040 multi-channel-pwm hardware-based-pwm pwm-slice mbed-nano
  • Updated Apr 17, 2022
  • C++

khoih-prog / RP2040_SD

Star 11

This library enables you to use SPI SD cards with RP2040-based boards such as Nano_RP2040_Connect, RASPBERRY_PI_PICO using either RP2040 Arduino-mbed or arduino-pico core. This SD-Fat v2 can support FAT16, FAT32, exFAT file systems. exFAT supports files larger than 4GB by using uint64_t as file offset.

data-storage mbed fat16 spi exfat fat32 sd-card sd sdfat rp2040 raspberry-pi-pico rpi-pico arduino-mbed nano-rp2040-connect arduino-pico
  • Updated Feb 9, 2022
  • C++

khoih-prog / RP2040_RTC

Star 8

This library enables you to use RTC from RP2040-based boards such as Nano_RP2040_Connect, RASPBERRY_PI_PICO. This RP2040-based RTC, using Interrupt, has no battery backup. Time will be lost when powered down. To need NTP-client to update RTC every start-up.

alarm device control timer timing mbed ntp utc accuracy rtc isr non-blocking interrupt hardware-timer rp2040 rpi-pico nano-rp2040-connect arduino-pico mbed-rp2040 isr-based
  • Updated Apr 25, 2022
  • C++

khoih-prog / RP2040_Slow_PWM

Star 1

This library enables you to use ISR-based PWM channels on RP2040-based boards, such as ADAFRUIT_FEATHER_RP2040, RASPBERRY_PI_PICO, with arduino-pico core to create and output PWM any GPIO pin. The most important feature is they're ISR-based PWM channels, supporting lower PWM frequencies with suitable accuracy. Their executions are not blocked by bad-behaving functions or tasks. This important feature is absolutely necessary for mission-critical tasks. These ISR-based PWMs, still work even if other software functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software-based PWM using millis() or micros(). That's necessary if you need to control devices requiring high precision

isr pwm on-the-fly pwm-driver duty-cycle timer-interrupt hardware-timer pwm-frequency rp2040 raspberry-pi-pico arduino-pico isr-based multi-channel-pwm synchronized-pwm isr-based-pmw
  • Updated Mar 4, 2022
  • C

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