Implement GPIO abstraction for atsam (#13567)
* Implement GPIO abstraction for atsam * Convert Drop boards to normal matrix config * Work round pin conflicts and matrix delay
This commit is contained in:
Joel Challis
GitHub
parent
95a7c22824
commit
5d7f2823c9
11 changed files with 255 additions and 174 deletions
37
tmk_core/common/arm_atsam/atomic_util.h
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37
tmk_core/common/arm_atsam/atomic_util.h
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/* Copyright 2021 QMK
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "samd51j18a.h"
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static __inline__ uint8_t __interrupt_disable__(void) {
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__disable_irq();
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return 1;
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}
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static __inline__ void __interrupt_enable__(const uint8_t *__s) {
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__enable_irq();
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__asm__ volatile("" ::: "memory");
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(void)__s;
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}
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#define ATOMIC_BLOCK(type) for (type, __ToDo = __interrupt_disable__(); __ToDo; __ToDo = 0)
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#define ATOMIC_FORCEON uint8_t sreg_save __attribute__((__cleanup__(__interrupt_enable__))) = 0
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#define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented")
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#define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)
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71
tmk_core/common/arm_atsam/gpio.h
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71
tmk_core/common/arm_atsam/gpio.h
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/* Copyright 2021 QMK
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "stdint.h"
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#include "samd51j18a.h"
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#include "pin_defs.h"
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typedef uint8_t pin_t;
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#define SAMD_PORT(pin) ((pin & 0x20) >> 5)
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#define SAMD_PIN(pin) (pin & 0x1f)
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#define SAMD_PIN_MASK(pin) (1 << (pin & 0x1f))
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#define setPinInput(pin) \
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do { \
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PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.INEN = 1; \
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PORT->Group[SAMD_PORT(pin)].DIRCLR.reg = SAMD_PIN_MASK(pin); \
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} while (0)
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#define setPinInputHigh(pin) \
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do { \
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PORT->Group[SAMD_PORT(pin)].DIRCLR.reg = SAMD_PIN_MASK(pin); \
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PORT->Group[SAMD_PORT(pin)].OUTSET.reg = SAMD_PIN_MASK(pin); \
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PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.INEN = 1; \
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PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.PULLEN = 1; \
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} while (0)
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#define setPinInputLow(pin) \
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do { \
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PORT->Group[SAMD_PORT(pin)].DIRCLR.reg = SAMD_PIN_MASK(pin); \
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PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
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PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.INEN = 1; \
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PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.PULLEN = 1; \
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} while (0)
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#define setPinOutput(pin) \
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do { \
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PORT->Group[SAMD_PORT(pin)].DIRSET.reg = SAMD_PIN_MASK(pin); \
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PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
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} while (0)
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#define writePinHigh(pin) \
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do { \
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PORT->Group[SAMD_PORT(pin)].OUTSET.reg = SAMD_PIN_MASK(pin); \
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} while (0)
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#define writePinLow(pin) \
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do { \
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PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
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} while (0)
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#define writePin(pin, level) ((level) ? (writePinHigh(pin)) : (writePinLow(pin)))
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#define readPin(pin) ((PORT->Group[SAMD_PORT(pin)].IN.reg & SAMD_PIN_MASK(pin)) != 0)
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#define togglePin(pin) (PORT->Group[SAMD_PORT(pin)].OUTTGL.reg = SAMD_PIN_MASK(pin))
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84
tmk_core/common/arm_atsam/pin_defs.h
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84
tmk_core/common/arm_atsam/pin_defs.h
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/* Copyright 2021 QMK
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "samd51j18a.h"
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#define A00 PIN_PA00
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#define A01 PIN_PA01
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#define A02 PIN_PA02
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#define A03 PIN_PA03
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#define A04 PIN_PA04
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#define A05 PIN_PA05
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#define A06 PIN_PA06
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#define A07 PIN_PA07
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#define A08 PIN_PA08
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#define A09 PIN_PA09
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#define A10 PIN_PA10
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#define A11 PIN_PA11
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#define A12 PIN_PA12
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#define A13 PIN_PA13
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#define A14 PIN_PA14
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#define A15 PIN_PA15
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#define A16 PIN_PA16
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#define A17 PIN_PA17
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#define A18 PIN_PA18
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#define A19 PIN_PA19
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#define A20 PIN_PA20
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#define A21 PIN_PA21
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#define A22 PIN_PA22
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#define A23 PIN_PA23
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#define A24 PIN_PA24
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#define A25 PIN_PA25
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#define A26 PIN_PA26
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#define A27 PIN_PA27
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#define A28 PIN_PA28
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#define A29 PIN_PA29
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#define A30 PIN_PA30
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#define A31 PIN_PA31
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#define B00 PIN_PB00
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#define B01 PIN_PB01
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#define B02 PIN_PB02
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#define B03 PIN_PB03
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#define B04 PIN_PB04
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#define B05 PIN_PB05
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#define B06 PIN_PB06
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#define B07 PIN_PB07
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#define B08 PIN_PB08
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#define B09 PIN_PB09
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#define B10 PIN_PB10
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#define B11 PIN_PB11
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#define B12 PIN_PB12
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#define B13 PIN_PB13
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#define B14 PIN_PB14
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#define B15 PIN_PB15
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#define B16 PIN_PB16
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#define B17 PIN_PB17
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#define B18 PIN_PB18
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#define B19 PIN_PB19
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#define B20 PIN_PB20
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#define B21 PIN_PB21
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#define B22 PIN_PB22
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#define B23 PIN_PB23
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#define B24 PIN_PB24
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#define B25 PIN_PB25
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#define B26 PIN_PB26
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#define B27 PIN_PB27
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#define B28 PIN_PB28
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#define B29 PIN_PB29
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#define B30 PIN_PB30
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#define B31 PIN_PB31
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