�This is an Arduino porting for STM32F405/407.
Copy and paste the json URL to Additional Boards Manager URLs
https://raw.githubusercontent.com/Seeed-Studio/Seeed_Platform/master/package_seeeduino_boards_index.json
Search and install Seeed STM32F4 Boards within Arduino Board Manager.
#include <pwr.h>
void setup() {
pwr_enter_standby_mode();
}
void loop() {
// put your main code here, to run repeatedly:
}#include <Arduino.h>
const int LedPin = 20;
const int BtnPin = 38;
const int SocketPwrPin = 26;
static bool led_state = false;
void led_change(void)
{
led_state = !led_state;
led_state ? digitalWrite(20, HIGH) : digitalWrite(20, LOW);
}
void setup() {
/* Turn on Seeed Wio LTE Cat.1 grove socket power */
pinMode(SocketPwrPin, OUTPUT);
digitalWrite(SocketPwrPin, HIGH);
/* Led pin */
pinMode(LedPin, OUTPUT);
digitalWrite(LedPin, LOW);
pinMode(BtnPin, INPUT);
attachInterrupt(BtnPin, led_change, RISING);
attachInterrupt(BtnPin, led_change, FALLING);
}
void loop() {
}