Zoltan Hudak / mbedPi

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include/DigitalIn.h@1:1f2d9982fa8c, 2022-12-20 (annotated)

Committer:
hudakz
Date:
Tue Dec 20 12:08:07 2022 +0000
Revision:
1:1f2d9982fa8c
mbed API for Raspberry Pi boards equipped with BCM2836 SoC.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hudakz 1:1f2d9982fa8c 1 #ifndef _DIGITAL_IN_H_
hudakz 1:1f2d9982fa8c 2 #define _DIGITAL_IN_H_
hudakz 1:1f2d9982fa8c 3
hudakz 1:1f2d9982fa8c 4 #include "BCM2835.h"
hudakz 1:1f2d9982fa8c 5
hudakz 1:1f2d9982fa8c 6 class DigitalIn
hudakz 1:1f2d9982fa8c 7 {
hudakz 1:1f2d9982fa8c 8 public:
hudakz 1:1f2d9982fa8c 9 DigitalIn(PinName pin) :
hudakz 1:1f2d9982fa8c 10 gpio(pin)
hudakz 1:1f2d9982fa8c 11 {
hudakz 1:1f2d9982fa8c 12 gpio_dir(gpio, PIN_INPUT);
hudakz 1:1f2d9982fa8c 13 gpio_write(gpio, LOW);
hudakz 1:1f2d9982fa8c 14 }
hudakz 1:1f2d9982fa8c 15
hudakz 1:1f2d9982fa8c 16 DigitalIn(PinName pin, PinMode mode) :
hudakz 1:1f2d9982fa8c 17 gpio(pin)
hudakz 1:1f2d9982fa8c 18 {
hudakz 1:1f2d9982fa8c 19 gpio_dir(gpio, PIN_INPUT);
hudakz 1:1f2d9982fa8c 20 gpio_mode(pin, mode);
hudakz 1:1f2d9982fa8c 21 }
hudakz 1:1f2d9982fa8c 22
hudakz 1:1f2d9982fa8c 23 int read() { return gpio_read(gpio); }
hudakz 1:1f2d9982fa8c 24 void mode(PinMode mode) { mode == PullUp ? gpio_write(gpio, HIGH) : gpio_write(gpio, LOW); }
hudakz 1:1f2d9982fa8c 25 void attach(FunctionPointer fptr, Digivalue m) { attachInterrupt(gpio, fptr, m); }
hudakz 1:1f2d9982fa8c 26 operator int() { return read(); }
hudakz 1:1f2d9982fa8c 27 protected:
hudakz 1:1f2d9982fa8c 28 PinName gpio;
hudakz 1:1f2d9982fa8c 29 };
hudakz 1:1f2d9982fa8c 30
hudakz 1:1f2d9982fa8c 31 #endif // _DIGITAL_IN_H_
hudakz 1:1f2d9982fa8c 32