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Add basic RP2040 support by overwriting delayMicroseconds() with busy_wait_us() as shown by user functionpointer

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Nico Maas
2022-06-23 22:07:51 +02:00
parent ab35e3c0d6
commit ed7ac149ff
1 changed files with 14 additions and 0 deletions
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util/OneWire_direct_gpio.h
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@@ -427,6 +427,20 @@ void directWriteHigh(IO_REG_TYPE mask)
#define DIRECT_MODE_INPUT(base, mask) directModeInput(mask)
#define DIRECT_MODE_OUTPUT(base, mask) directModeOutput(mask)
#elif defined(ARDUINO_ARCH_MBED_RP2040)|| defined(ARDUINO_ARCH_RP2040)
#define delayMicroseconds(time) busy_wait_us(time)
#define PIN_TO_BASEREG(pin) (0)
#define PIN_TO_BITMASK(pin) (pin)
#define IO_REG_TYPE unsigned int
#define IO_REG_BASE_ATTR
#define IO_REG_MASK_ATTR
#define DIRECT_READ(base, pin) digitalRead(pin)
#define DIRECT_WRITE_LOW(base, pin) digitalWrite(pin, LOW)
#define DIRECT_WRITE_HIGH(base, pin) digitalWrite(pin, HIGH)
#define DIRECT_MODE_INPUT(base, pin) pinMode(pin,INPUT)
#define DIRECT_MODE_OUTPUT(base, pin) pinMode(pin,OUTPUT)
#warning "OneWire. RP2040 in Fallback mode. Using API calls for pinMode,digitalRead and digitalWrite."
#else
#define PIN_TO_BASEREG(pin) (0)
#define PIN_TO_BITMASK(pin) (pin)