nanase

// STM32F303K8 (Slave)

#include "main.h"
#include "usart.h"

/*
              RP2040 ---- STM32F303K8

  UART0_TX  GPIO16 ---\/--- PB6  UART1_TX
  UART0_RX  GPIO17 <--/\--> PB7  UART1_RX

nanase

void setup() {
  // instead of pinMode(30, OUTPUT);
  (&(PORT->Group[PORTA]))->PINCFG[30].reg = (uint8_t)(PORT_PINCFG_INEN);
  (&(PORT->Group[PORTA]))->PINCFG[31].reg = (uint8_t)(PORT_PINCFG_INEN);
  (&(PORT->Group[PORTA]))->DIRSET.reg = (1 << 30);
  (&(PORT->Group[PORTA]))->DIRSET.reg = (1 << 31);
}

void loop() {
  // instead of digitalWrite(30, HIGH);

nanase

// Code from: https://www.hackster.io/voske65/high-speed-pwm-on-arduino-atsamd21-859b06

/*

HIGH FREQ PWM SETUP FOR MKR1000 - SAMW25 = SAMD21 with some other pinning
 
MKR1000's pins than can be defined as TCC timer pins and their associated channel (WO[X]) 
unless stated otherwise the TCC timers are on peripheral F:

A0 - PA02 - None

nanase

#define MAX_VALUE ((1 << 10) - 1)
#define SIN_MAX (MAX_VALUE / 2.0)

void setup() {
  DAC->CTRLA.bit.ENABLE = 0x01;
  syncDAC();
}

double i = 0.0;

nanase

// このスケッチは以下の投稿にあるものを改良したもの
// https://forum.arduino.cc/index.php?topic=575333.0

char text[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789ABCDEFGHIJKLMNOPQR"
              "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789ABCDEFGHIJKLMNOPQR"
              "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789ABCDEFGHIJKLMNOPQR"
              "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789ABCDEFGHIJKLMNOPQR";

void setup() {
  Serial.begin(250000);

nanase

#include <SPI.h>

#define PIN_SCK 13
#define PIN_SDI 11
#define PIN_LATCH 10
#define SCROLL_SPEED 250

const byte digits[] PROGMEM = {
  0b11111100,  // 0
  0b01100000,  // 1

nanase

#include <SPI.h>

#define PIN_SCK 13
#define PIN_SDI 11
#define PIN_LATCH 10
#define SCROLL_SPEED 10

const byte digits[] PROGMEM = {
  0b10000000,  // 1
  0b01000000,  // 2

nanase

#include <SPI.h>

#define PIN_SCK 13
#define PIN_SDI 11
#define PIN_LATCH 10
#define SCROLL_SPEED 50

const byte digits[] PROGMEM = {
  0b11111100,  // 0
  0b01100000,  // 1

nanase

#include "aqm1602.h"

AQM1602::AQM1602(uint8_t i2cAddress, uint8_t voltage, uint8_t contrast) {
  this->i2cAddress     = i2cAddress;
  this->contrast       = contrast;
  this->voltage        = voltage;
  this->displayControl = 0x00;

  // ACM series = 0x80
  // AQM series = 0x40

nanase