423 lines
16 KiB
C
423 lines
16 KiB
C
|
#ifndef OneWire_Direct_GPIO_h
|
||
|
|
#define OneWire_Direct_GPIO_h
|
||
|
|
|
||
|
|
// This header should ONLY be included by OneWire.cpp. These defines are
|
||
|
|
// meant to be private, used within OneWire.cpp, but not exposed to Arduino
|
||
|
|
// sketches or other libraries which may include OneWire.h.
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
// Platform specific I/O definitions
|
||
|
|
|
||
|
|
#if defined(__AVR__)
|
||
|
|
#define PIN_TO_BASEREG(pin) (portInputRegister(digitalPinToPort(pin)))
|
||
|
|
#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
|
||
|
|
#define IO_REG_TYPE uint8_t
|
||
|
|
#define IO_REG_BASE_ATTR asm("r30")
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#if defined(__AVR_ATmega4809__)
|
||
|
|
#define DIRECT_READ(base, mask) (((*(base)) & (mask)) ? 1 : 0)
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) ((*((base)-8)) &= ~(mask))
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) ((*((base)-8)) |= (mask))
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) ((*((base)-4)) &= ~(mask))
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) ((*((base)-4)) |= (mask))
|
||
|
|
#else
|
||
|
|
#define DIRECT_READ(base, mask) (((*((base))) & (mask)) ? 1 : 0)
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) ((*((base)-6)) = (mask))
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) ((*((base)-7)) = (mask))
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) ((*((base)-2)) = (mask))
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) ((*((base)-3)) = (mask))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#elif defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK66FX1M0__) || defined(__MK64FX512__)
|
||
|
|
#define PIN_TO_BASEREG(pin) (portOutputRegister(pin))
|
||
|
|
#define PIN_TO_BITMASK(pin) (1)
|
||
|
|
#define IO_REG_TYPE uint8_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR __attribute__ ((unused))
|
||
|
|
#define DIRECT_READ(base, mask) (*((base)+512))
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) (*((base)+640) = 0)
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) (*((base)+640) = 1)
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) (*((base)+256) = 1)
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) (*((base)+128) = 1)
|
||
|
|
|
||
|
|
#elif defined(__MKL26Z64__)
|
||
|
|
#define PIN_TO_BASEREG(pin) (portOutputRegister(pin))
|
||
|
|
#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
|
||
|
|
#define IO_REG_TYPE uint8_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, mask) ((*((base)+16) & (mask)) ? 1 : 0)
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) (*((base)+20) &= ~(mask))
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) (*((base)+20) |= (mask))
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) (*((base)+8) = (mask))
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) (*((base)+4) = (mask))
|
||
|
|
|
||
|
|
#elif defined(__IMXRT1052__) || defined(__IMXRT1062__)
|
||
|
|
#define PIN_TO_BASEREG(pin) (portOutputRegister(pin))
|
||
|
|
#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, mask) ((*((base)+2) & (mask)) ? 1 : 0)
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) (*((base)+1) &= ~(mask))
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) (*((base)+1) |= (mask))
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) (*((base)+34) = (mask))
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) (*((base)+33) = (mask))
|
||
|
|
|
||
|
|
#elif defined(__SAM3X8E__) || defined(__SAM3A8C__) || defined(__SAM3A4C__)
|
||
|
|
// Arduino 1.5.1 may have a bug in delayMicroseconds() on Arduino Due.
|
||
|
|
// http://arduino.cc/forum/index.php/topic,141030.msg1076268.html#msg1076268
|
||
|
|
// If you have trouble with OneWire on Arduino Due, please check the
|
||
|
|
// status of delayMicroseconds() before reporting a bug in OneWire!
|
||
|
|
#define PIN_TO_BASEREG(pin) (&(digitalPinToPort(pin)->PIO_PER))
|
||
|
|
#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, mask) (((*((base)+15)) & (mask)) ? 1 : 0)
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) ((*((base)+5)) = (mask))
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) ((*((base)+4)) = (mask))
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) ((*((base)+13)) = (mask))
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) ((*((base)+12)) = (mask))
|
||
|
|
#ifndef PROGMEM
|
||
|
|
#define PROGMEM
|
||
|
|
#endif
|
||
|
|
#ifndef pgm_read_byte
|
||
|
|
#define pgm_read_byte(addr) (*(const uint8_t *)(addr))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined(__PIC32MX__)
|
||
|
|
#define PIN_TO_BASEREG(pin) (portModeRegister(digitalPinToPort(pin)))
|
||
|
|
#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, mask) (((*(base+4)) & (mask)) ? 1 : 0) //PORTX + 0x10
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) ((*(base+2)) = (mask)) //TRISXSET + 0x08
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) ((*(base+1)) = (mask)) //TRISXCLR + 0x04
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) ((*(base+8+1)) = (mask)) //LATXCLR + 0x24
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) ((*(base+8+2)) = (mask)) //LATXSET + 0x28
|
||
|
|
|
||
|
|
#elif defined(ARDUINO_ARCH_ESP8266)
|
||
|
|
// Special note: I depend on the ESP community to maintain these definitions and
|
||
|
|
// submit good pull requests. I can not answer any ESP questions or help you
|
||
|
|
// resolve any problems related to ESP chips. Please do not contact me and please
|
||
|
|
// DO NOT CREATE GITHUB ISSUES for ESP support. All ESP questions must be asked
|
||
|
|
// on ESP community forums.
|
||
|
|
#define PIN_TO_BASEREG(pin) ((volatile uint32_t*) GPO)
|
||
|
|
#define PIN_TO_BITMASK(pin) (1 << pin)
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, mask) ((GPI & (mask)) ? 1 : 0) //GPIO_IN_ADDRESS
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) (GPE &= ~(mask)) //GPIO_ENABLE_W1TC_ADDRESS
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) (GPE |= (mask)) //GPIO_ENABLE_W1TS_ADDRESS
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) (GPOC = (mask)) //GPIO_OUT_W1TC_ADDRESS
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) (GPOS = (mask)) //GPIO_OUT_W1TS_ADDRESS
|
||
|
|
|
||
|
|
#elif defined(ARDUINO_ARCH_ESP32)
|
||
|
|
#include <driver/rtc_io.h>
|
||
|
|
#define PIN_TO_BASEREG(pin) (0)
|
||
|
|
#define PIN_TO_BITMASK(pin) (pin)
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
IO_REG_TYPE directRead(IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if ( pin < 32 )
|
||
|
|
return (GPIO.in >> pin) & 0x1;
|
||
|
|
else if ( pin < 40 )
|
||
|
|
return (GPIO.in1.val >> (pin - 32)) & 0x1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directWriteLow(IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if ( pin < 32 )
|
||
|
|
GPIO.out_w1tc = ((uint32_t)1 << pin);
|
||
|
|
else if ( pin < 34 )
|
||
|
|
GPIO.out1_w1tc.val = ((uint32_t)1 << (pin - 32));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directWriteHigh(IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if ( pin < 32 )
|
||
|
|
GPIO.out_w1ts = ((uint32_t)1 << pin);
|
||
|
|
else if ( pin < 34 )
|
||
|
|
GPIO.out1_w1ts.val = ((uint32_t)1 << (pin - 32));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directModeInput(IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if ( digitalPinIsValid(pin) )
|
||
|
|
{
|
||
|
|
uint32_t rtc_reg(rtc_gpio_desc[pin].reg);
|
||
|
|
|
||
|
|
if ( rtc_reg ) // RTC pins PULL settings
|
||
|
|
{
|
||
|
|
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].mux);
|
||
|
|
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].pullup | rtc_gpio_desc[pin].pulldown);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( pin < 32 )
|
||
|
|
GPIO.enable_w1tc = ((uint32_t)1 << pin);
|
||
|
|
else
|
||
|
|
GPIO.enable1_w1tc.val = ((uint32_t)1 << (pin - 32));
|
||
|
|
|
||
|
|
uint32_t pinFunction((uint32_t)2 << FUN_DRV_S); // what are the drivers?
|
||
|
|
pinFunction |= FUN_IE; // input enable but required for output as well?
|
||
|
|
pinFunction |= ((uint32_t)2 << MCU_SEL_S);
|
||
|
|
|
||
|
|
ESP_REG(DR_REG_IO_MUX_BASE + esp32_gpioMux[pin].reg) = pinFunction;
|
||
|
|
|
||
|
|
GPIO.pin[pin].val = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directModeOutput(IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if ( digitalPinIsValid(pin) && pin <= 33 ) // pins above 33 can be only inputs
|
||
|
|
{
|
||
|
|
uint32_t rtc_reg(rtc_gpio_desc[pin].reg);
|
||
|
|
|
||
|
|
if ( rtc_reg ) // RTC pins PULL settings
|
||
|
|
{
|
||
|
|
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].mux);
|
||
|
|
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].pullup | rtc_gpio_desc[pin].pulldown);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( pin < 32 )
|
||
|
|
GPIO.enable_w1ts = ((uint32_t)1 << pin);
|
||
|
|
else // already validated to pins <= 33
|
||
|
|
GPIO.enable1_w1ts.val = ((uint32_t)1 << (pin - 32));
|
||
|
|
|
||
|
|
uint32_t pinFunction((uint32_t)2 << FUN_DRV_S); // what are the drivers?
|
||
|
|
pinFunction |= FUN_IE; // input enable but required for output as well?
|
||
|
|
pinFunction |= ((uint32_t)2 << MCU_SEL_S);
|
||
|
|
|
||
|
|
ESP_REG(DR_REG_IO_MUX_BASE + esp32_gpioMux[pin].reg) = pinFunction;
|
||
|
|
|
||
|
|
GPIO.pin[pin].val = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define DIRECT_READ(base, pin) directRead(pin)
|
||
|
|
#define DIRECT_WRITE_LOW(base, pin) directWriteLow(pin)
|
||
|
|
#define DIRECT_WRITE_HIGH(base, pin) directWriteHigh(pin)
|
||
|
|
#define DIRECT_MODE_INPUT(base, pin) directModeInput(pin)
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, pin) directModeOutput(pin)
|
||
|
|
// https://github.com/PaulStoffregen/OneWire/pull/47
|
||
|
|
// https://github.com/stickbreaker/OneWire/commit/6eb7fc1c11a15b6ac8c60e5671cf36eb6829f82c
|
||
|
|
#ifdef interrupts
|
||
|
|
#undef interrupts
|
||
|
|
#endif
|
||
|
|
#ifdef noInterrupts
|
||
|
|
#undef noInterrupts
|
||
|
|
#endif
|
||
|
|
#define noInterrupts() {portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;portENTER_CRITICAL(&mux)
|
||
|
|
#define interrupts() portEXIT_CRITICAL(&mux);}
|
||
|
|
//#warning "ESP32 OneWire testing"
|
||
|
|
|
||
|
|
#elif defined(ARDUINO_ARCH_STM32)
|
||
|
|
#define PIN_TO_BASEREG(pin) (0)
|
||
|
|
#define PIN_TO_BITMASK(pin) ((uint32_t)digitalPinToPinName(pin))
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, pin) digitalReadFast((PinName)pin)
|
||
|
|
#define DIRECT_WRITE_LOW(base, pin) digitalWriteFast((PinName)pin, LOW)
|
||
|
|
#define DIRECT_WRITE_HIGH(base, pin) digitalWriteFast((PinName)pin, HIGH)
|
||
|
|
#define DIRECT_MODE_INPUT(base, pin) pin_function((PinName)pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0))
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, pin) pin_function((PinName)pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0))
|
||
|
|
|
||
|
|
#elif defined(__SAMD21G18A__)
|
||
|
|
#define PIN_TO_BASEREG(pin) portModeRegister(digitalPinToPort(pin))
|
||
|
|
#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, mask) (((*((base)+8)) & (mask)) ? 1 : 0)
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) ((*((base)+1)) = (mask))
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) ((*((base)+2)) = (mask))
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) ((*((base)+5)) = (mask))
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) ((*((base)+6)) = (mask))
|
||
|
|
|
||
|
|
#elif defined(RBL_NRF51822)
|
||
|
|
#define PIN_TO_BASEREG(pin) (0)
|
||
|
|
#define PIN_TO_BITMASK(pin) (pin)
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
#define DIRECT_READ(base, pin) nrf_gpio_pin_read(pin)
|
||
|
|
#define DIRECT_WRITE_LOW(base, pin) nrf_gpio_pin_clear(pin)
|
||
|
|
#define DIRECT_WRITE_HIGH(base, pin) nrf_gpio_pin_set(pin)
|
||
|
|
#define DIRECT_MODE_INPUT(base, pin) nrf_gpio_cfg_input(pin, NRF_GPIO_PIN_NOPULL)
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, pin) nrf_gpio_cfg_output(pin)
|
||
|
|
|
||
|
|
#elif defined(__arc__) /* Arduino101/Genuino101 specifics */
|
||
|
|
|
||
|
|
#include "scss_registers.h"
|
||
|
|
#include "portable.h"
|
||
|
|
#include "avr/pgmspace.h"
|
||
|
|
|
||
|
|
#define GPIO_ID(pin) (g_APinDescription[pin].ulGPIOId)
|
||
|
|
#define GPIO_TYPE(pin) (g_APinDescription[pin].ulGPIOType)
|
||
|
|
#define GPIO_BASE(pin) (g_APinDescription[pin].ulGPIOBase)
|
||
|
|
#define DIR_OFFSET_SS 0x01
|
||
|
|
#define DIR_OFFSET_SOC 0x04
|
||
|
|
#define EXT_PORT_OFFSET_SS 0x0A
|
||
|
|
#define EXT_PORT_OFFSET_SOC 0x50
|
||
|
|
|
||
|
|
/* GPIO registers base address */
|
||
|
|
#define PIN_TO_BASEREG(pin) ((volatile uint32_t *)g_APinDescription[pin].ulGPIOBase)
|
||
|
|
#define PIN_TO_BITMASK(pin) pin
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
IO_REG_TYPE directRead(volatile IO_REG_TYPE *base, IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
IO_REG_TYPE ret;
|
||
|
|
if (SS_GPIO == GPIO_TYPE(pin)) {
|
||
|
|
ret = READ_ARC_REG(((IO_REG_TYPE)base + EXT_PORT_OFFSET_SS));
|
||
|
|
} else {
|
||
|
|
ret = MMIO_REG_VAL_FROM_BASE((IO_REG_TYPE)base, EXT_PORT_OFFSET_SOC);
|
||
|
|
}
|
||
|
|
return ((ret >> GPIO_ID(pin)) & 0x01);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directModeInput(volatile IO_REG_TYPE *base, IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if (SS_GPIO == GPIO_TYPE(pin)) {
|
||
|
|
WRITE_ARC_REG(READ_ARC_REG((((IO_REG_TYPE)base) + DIR_OFFSET_SS)) & ~(0x01 << GPIO_ID(pin)),
|
||
|
|
((IO_REG_TYPE)(base) + DIR_OFFSET_SS));
|
||
|
|
} else {
|
||
|
|
MMIO_REG_VAL_FROM_BASE((IO_REG_TYPE)base, DIR_OFFSET_SOC) &= ~(0x01 << GPIO_ID(pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directModeOutput(volatile IO_REG_TYPE *base, IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if (SS_GPIO == GPIO_TYPE(pin)) {
|
||
|
|
WRITE_ARC_REG(READ_ARC_REG(((IO_REG_TYPE)(base) + DIR_OFFSET_SS)) | (0x01 << GPIO_ID(pin)),
|
||
|
|
((IO_REG_TYPE)(base) + DIR_OFFSET_SS));
|
||
|
|
} else {
|
||
|
|
MMIO_REG_VAL_FROM_BASE((IO_REG_TYPE)base, DIR_OFFSET_SOC) |= (0x01 << GPIO_ID(pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directWriteLow(volatile IO_REG_TYPE *base, IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if (SS_GPIO == GPIO_TYPE(pin)) {
|
||
|
|
WRITE_ARC_REG(READ_ARC_REG(base) & ~(0x01 << GPIO_ID(pin)), base);
|
||
|
|
} else {
|
||
|
|
MMIO_REG_VAL(base) &= ~(0x01 << GPIO_ID(pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directWriteHigh(volatile IO_REG_TYPE *base, IO_REG_TYPE pin)
|
||
|
|
{
|
||
|
|
if (SS_GPIO == GPIO_TYPE(pin)) {
|
||
|
|
WRITE_ARC_REG(READ_ARC_REG(base) | (0x01 << GPIO_ID(pin)), base);
|
||
|
|
} else {
|
||
|
|
MMIO_REG_VAL(base) |= (0x01 << GPIO_ID(pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define DIRECT_READ(base, pin) directRead(base, pin)
|
||
|
|
#define DIRECT_MODE_INPUT(base, pin) directModeInput(base, pin)
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, pin) directModeOutput(base, pin)
|
||
|
|
#define DIRECT_WRITE_LOW(base, pin) directWriteLow(base, pin)
|
||
|
|
#define DIRECT_WRITE_HIGH(base, pin) directWriteHigh(base, pin)
|
||
|
|
|
||
|
|
#elif defined(__riscv)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Tested on highfive1
|
||
|
|
*
|
||
|
|
* Stable results are achieved operating in the
|
||
|
|
* two high speed modes of the highfive1. It
|
||
|
|
* seems to be less reliable in slow mode.
|
||
|
|
*/
|
||
|
|
#define PIN_TO_BASEREG(pin) (0)
|
||
|
|
#define PIN_TO_BITMASK(pin) digitalPinToBitMask(pin)
|
||
|
|
#define IO_REG_TYPE uint32_t
|
||
|
|
#define IO_REG_BASE_ATTR
|
||
|
|
#define IO_REG_MASK_ATTR
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
IO_REG_TYPE directRead(IO_REG_TYPE mask)
|
||
|
|
{
|
||
|
|
return ((GPIO_REG(GPIO_INPUT_VAL) & mask) != 0) ? 1 : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directModeInput(IO_REG_TYPE mask)
|
||
|
|
{
|
||
|
|
GPIO_REG(GPIO_OUTPUT_XOR) &= ~mask;
|
||
|
|
GPIO_REG(GPIO_IOF_EN) &= ~mask;
|
||
|
|
|
||
|
|
GPIO_REG(GPIO_INPUT_EN) |= mask;
|
||
|
|
GPIO_REG(GPIO_OUTPUT_EN) &= ~mask;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directModeOutput(IO_REG_TYPE mask)
|
||
|
|
{
|
||
|
|
GPIO_REG(GPIO_OUTPUT_XOR) &= ~mask;
|
||
|
|
GPIO_REG(GPIO_IOF_EN) &= ~mask;
|
||
|
|
|
||
|
|
GPIO_REG(GPIO_INPUT_EN) &= ~mask;
|
||
|
|
GPIO_REG(GPIO_OUTPUT_EN) |= mask;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directWriteLow(IO_REG_TYPE mask)
|
||
|
|
{
|
||
|
|
GPIO_REG(GPIO_OUTPUT_VAL) &= ~mask;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __attribute__((always_inline))
|
||
|
|
void directWriteHigh(IO_REG_TYPE mask)
|
||
|
|
{
|
||
|
|
GPIO_REG(GPIO_OUTPUT_VAL) |= mask;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define DIRECT_READ(base, mask) directRead(mask)
|
||
|
|
#define DIRECT_WRITE_LOW(base, mask) directWriteLow(mask)
|
||
|
|
#define DIRECT_WRITE_HIGH(base, mask) directWriteHigh(mask)
|
||
|
|
#define DIRECT_MODE_INPUT(base, mask) directModeInput(mask)
|
||
|
|
#define DIRECT_MODE_OUTPUT(base, mask) directModeOutput(mask)
|
||
|
|
|
||
|
|
#else
|
||
|
|
#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. Fallback mode. Using API calls for pinMode,digitalRead and digitalWrite. Operation of this library is not guaranteed on this architecture."
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|