kopia lustrzana https://github.com/micropython/micropython
159 wiersze
5.6 KiB
C
159 wiersze
5.6 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Damien P. George
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* Copyright (c) 2020 Jim Mussared
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_MIMXRT_MPHALPORT_H
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#define MICROPY_INCLUDED_MIMXRT_MPHALPORT_H
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#include <stdint.h>
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#include "ticks.h"
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#include "py/ringbuf.h"
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#include "pin.h"
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#include "irq.h"
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#include "fsl_clock.h"
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#define MICROPY_HAL_VERSION "2.8.0"
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#define MICROPY_BEGIN_ATOMIC_SECTION() disable_irq()
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#define MICROPY_END_ATOMIC_SECTION(state) enable_irq(state)
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// For regular code that wants to prevent "background tasks" from running.
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// These background tasks (LWIP, Bluetooth) run in PENDSV context.
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#define MICROPY_PY_PENDSV_ENTER uint32_t atomic_state = raise_irq_pri(IRQ_PRI_PENDSV);
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#define MICROPY_PY_PENDSV_REENTER atomic_state = raise_irq_pri(IRQ_PRI_PENDSV);
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#define MICROPY_PY_PENDSV_EXIT restore_irq_pri(atomic_state);
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// Prevent the "lwIP task" from running.
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#define MICROPY_PY_LWIP_ENTER MICROPY_PY_PENDSV_ENTER
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#define MICROPY_PY_LWIP_REENTER MICROPY_PY_PENDSV_REENTER
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#define MICROPY_PY_LWIP_EXIT MICROPY_PY_PENDSV_EXIT
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#define MICROPY_HW_USB_CDC_TX_TIMEOUT (500)
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#define MP_HAL_PIN_FMT "%q"
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#define MP_HAL_PIN_MODE_INPUT PIN_MODE_IN
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#define MP_HAL_PIN_MODE_OUTPUT PIN_MODE_OUT
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#define MP_HAL_PIN_MODE_ALT PIN_MODE_ALT
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#define MP_HAL_PIN_MODE_OPEN_DRAIN PIN_MODE_OPEN_DRAIN
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#define MP_HAL_PIN_PULL_NONE PIN_PULL_DISABLED
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#define MP_HAL_PIN_PULL_UP PIN_PULL_UP_100K
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#define MP_HAL_PIN_PULL_DOWN PIN_PULL_DOWN_100K
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#define MP_HAL_PIN_SPEED_LOW (0)
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#define MP_HAL_PIN_SPEED_MEDIUM (1)
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#define MP_HAL_PIN_SPEED_HIGH (2)
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#define MP_HAL_PIN_SPEED_VERY_HIGH (3)
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#define MP_HAL_PIN_TRIGGER_NONE kGPIO_NoIntmode
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#define MP_HAL_PIN_TRIGGER_FALL kGPIO_IntFallingEdge
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#define MP_HAL_PIN_TRIGGER_RISE kGPIO_IntRisingEdge
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#define MP_HAL_PIN_TRIGGER_RISE_FALL kGPIO_IntRisingOrFallingEdge
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extern ringbuf_t stdin_ringbuf;
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// Define an alias for systick_ms, because the shared softtimer.c uses
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// the symbol uwTick for the systick ms counter.
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#define uwTick systick_ms
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#define mp_hal_pin_obj_t const machine_pin_obj_t *
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#define mp_hal_get_pin_obj(o) pin_find(o)
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#define mp_hal_pin_name(p) ((p)->name)
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#define mp_hal_pin_input(p) machine_pin_set_mode(p, PIN_MODE_IN);
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#define mp_hal_pin_output(p) machine_pin_set_mode(p, PIN_MODE_OUT);
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#define mp_hal_pin_open_drain(p) machine_pin_set_mode(p, PIN_MODE_OPEN_DRAIN);
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#define mp_hal_pin_high(p) (p->gpio->DR_SET = 1 << p->pin)
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#define mp_hal_pin_low(p) (p->gpio->DR_CLEAR = 1 << p->pin)
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#define mp_hal_pin_write(p, value) (GPIO_PinWrite(p->gpio, p->pin, value))
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#define mp_hal_pin_toggle(p) (GPIO_PortToggle(p->gpio, (1 << p->pin)))
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#define mp_hal_pin_read(p) (GPIO_PinReadPadStatus(p->gpio, p->pin))
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#define mp_hal_pin_od_low(p) mp_hal_pin_low(p)
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#define mp_hal_pin_od_high(p) mp_hal_pin_high(p)
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#define mp_hal_quiet_timing_enter() raise_irq_pri(1)
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#define mp_hal_quiet_timing_exit(irq_state) restore_irq_pri(irq_state)
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__attribute__((always_inline)) static inline void enable_irq(uint32_t state) {
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__set_PRIMASK(state);
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}
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__attribute__((always_inline)) static inline uint32_t disable_irq(void) {
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uint32_t state = __get_PRIMASK();
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__disable_irq();
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return state;
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}
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void mp_hal_set_interrupt_char(int c);
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static inline mp_uint_t mp_hal_ticks_ms(void) {
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return ticks_ms32();
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}
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static inline mp_uint_t mp_hal_ticks_us(void) {
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return ticks_us32();
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}
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static inline void mp_hal_delay_ms(mp_uint_t ms) {
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uint64_t us = (uint64_t)ms * 1000;
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ticks_delay_us64(us);
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}
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static inline void mp_hal_delay_us(mp_uint_t us) {
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ticks_delay_us64(us);
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}
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#define mp_hal_delay_us_fast(us) mp_hal_delay_us(us)
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static inline void mp_hal_ticks_cpu_enable(void) {
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CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
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DWT->LAR = 0xc5acce55;
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DWT->CYCCNT = 0;
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DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
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}
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static inline mp_uint_t mp_hal_ticks_cpu(void) {
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return DWT->CYCCNT;
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}
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static inline mp_uint_t mp_hal_get_cpu_freq(void) {
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return CLOCK_GetCpuClkFreq();
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}
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enum {
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MP_HAL_MAC_WLAN0 = 0,
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MP_HAL_MAC_WLAN1,
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MP_HAL_MAC_BDADDR,
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MP_HAL_MAC_ETH0,
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MP_HAL_MAC_ETH1,
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};
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void mp_hal_generate_laa_mac(int idx, uint8_t buf[6]);
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void mp_hal_get_mac(int idx, uint8_t buf[6]);
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void mp_hal_get_mac_ascii(int idx, size_t chr_off, size_t chr_len, char *dest);
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void mp_hal_get_unique_id(uint8_t id[]);
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#endif // MICROPY_INCLUDED_MIMXRT_MPHALPORT_H
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