Susan Parker's repositories
RA4M1_Arduino_UNO-R4_Processor_Direct_Register_Addressing_Defines
RA4M1 - Arduino UNO-R4 Processor - #defines for Direct Register Addressing
Arduino-UNO_R4_HOCO_to_External-Clock_on_EXTAL_pin_change
Arduino UNO R4 RA4M1 HOCO to External-Clock on EXTAL pin change setup code, with over-clocking
Arduino_UNO_R4_Minima_RA4M1_timers_in_quadrature-encoder-count_mode
Arduino UNO R4 Minima code for RA4M1 timers in quadrature-encoder-count mode
Arduino-UNO-R4-Wake_from_interrupt-and-system-clock-switching
Arduino UNO R4 test-code to demonstrate: 1. Wake-From-Interrupt 2. Change System-Clock divisors 1/1, 1/16, and 1/64 settings 3. Switching between 48MHz HOCO and 8MHz MOCO internal oscillators (and PLL with XTAL if fitted) 4. USB Module Disable (with code initiated Reset after timeout delay)
Arduino-UNO-R4-ADC-timings-and-measurement-of-the-RA4M1-chip-die-temperature
Arduino UNO R4 test code to measure the RA4M1 chip die-temperature with register level ADC operation and ADC conversion timing measurments using AGT1
Arduino-UNO-R4-Minima-Fast-DAC
R4 Minima barebones direct-register code to use the DAC12 module in the RA4M1 processor.
Arduino-UNO-R4-code-for-repurposing-the-AGT0-timer-to-a-user-defined-interrupt
Arduino UNO R4 code for repurposing the AGT0 timer to a user defined interrupt, plus fast ADC, DAC, and HOCO to XTAL clock change
Arduino__UNO_R4_CTC_Clock_Frequency_Accuracy_Measurement_Circuit
R4 Minima RA4M1 barebones direct-register code to use the CTC module in the RA4M1 processor.
Arduino_UNO_R4_RA4M1_HOCO_to_XTAL_switch
Startup code for the Arduino UNO R4 boards (RA4M1 processor) to change from the internal HOCO to an external XTAL
M4_Minima_Test_Code_Fast-PWM_SPI_IRQ_ADC_DAC_SCI
RA4M1 demo code for the Arduino UNO R4 Minima with Fast-PIN, Fast-PWM, SPI, IRQ, ADC, DAC, and SCI operations
Arduino-UNO-R4-code-DAC-ADC-Ints-Fast_Pins
Direct register setup of ADC and DAC, with fast non-blocking ADC with ADC_Complete Interrupt
Arduino-UNO-R4-code-for-general-method-to-attach-an-interrupt-to-ANY-event
This method allows ANY RA4M1 interrupt to be accessed by updating the ICU Event Number table