105 lines
4.1 KiB
C
Executable File
105 lines
4.1 KiB
C
Executable File
#ifndef direct_pin_read_h_
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#define direct_pin_read_h_
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#if defined(__AVR__)
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#define IO_REG_TYPE uint8_t
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#define PIN_TO_BASEREG(pin) (portInputRegister(digitalPinToPort(pin)))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
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#elif defined(TEENSYDUINO) && (defined(KINETISK) || defined(KINETISL))
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#define IO_REG_TYPE uint8_t
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#define PIN_TO_BASEREG(pin) (portInputRegister(digitalPinToPort(pin)))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
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#elif defined(__IMXRT1052__) || defined(__IMXRT1062__)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) (portOutputRegister(pin))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
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#elif defined(__SAM3X8E__) // || defined(ESP8266)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) (portInputRegister(digitalPinToPort(pin)))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
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#elif defined(__PIC32MX__)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) (portModeRegister(digitalPinToPort(pin)))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base+4)) & (mask)) ? 1 : 0)
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/* ESP8266 v2.0.0 Arduino workaround for bug https://github.com/esp8266/Arduino/issues/1110 */
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#elif defined(ESP8266)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) ((volatile uint32_t *)(0x60000000+(0x318)))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
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/* ESP32 Arduino (https://github.com/espressif/arduino-esp32) */
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#elif defined(ESP32)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) (portInputRegister(digitalPinToPort(pin)))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
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#elif defined(__SAMD21G18A__)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) portModeRegister(digitalPinToPort(pin))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*((base)+8)) & (mask)) ? 1 : 0)
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#elif defined(__SAMD51__)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) portInputRegister(digitalPinToPort(pin))
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#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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#define DIRECT_PIN_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
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#elif defined(RBL_NRF51822)
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#define IO_REG_TYPE uint32_t
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#define PIN_TO_BASEREG(pin) (0)
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#define PIN_TO_BITMASK(pin) (pin)
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#define DIRECT_PIN_READ(base, pin) nrf_gpio_pin_read(pin)
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#elif defined(__arc__) /* Arduino101/Genuino101 specifics */
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#include "scss_registers.h"
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#include "portable.h"
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#include "avr/pgmspace.h"
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#define GPIO_ID(pin) (g_APinDescription[pin].ulGPIOId)
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#define GPIO_TYPE(pin) (g_APinDescription[pin].ulGPIOType)
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#define GPIO_BASE(pin) (g_APinDescription[pin].ulGPIOBase)
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#define EXT_PORT_OFFSET_SS 0x0A
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#define EXT_PORT_OFFSET_SOC 0x50
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#define PIN_TO_BASEREG(pin) ((volatile uint32_t *)g_APinDescription[pin].ulGPIOBase)
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#define PIN_TO_BITMASK(pin) pin
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#define IO_REG_TYPE uint32_t
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static inline __attribute__((always_inline))
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IO_REG_TYPE directRead(volatile IO_REG_TYPE *base, IO_REG_TYPE pin)
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{
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IO_REG_TYPE ret;
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if (SS_GPIO == GPIO_TYPE(pin)) {
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ret = READ_ARC_REG(((IO_REG_TYPE)base + EXT_PORT_OFFSET_SS));
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} else {
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ret = MMIO_REG_VAL_FROM_BASE((IO_REG_TYPE)base, EXT_PORT_OFFSET_SOC);
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}
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return ((ret >> GPIO_ID(pin)) & 0x01);
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}
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#define DIRECT_PIN_READ(base, pin) directRead(base, pin)
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#endif
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#endif
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