mirror of
https://github.com/m5stack/M5Stack_MicroPython.git
synced 2026-05-20 10:14:44 -07:00
Boris Lovosevic
f2b25e261d
libcurl based email function implemented Fixed GPIO initialization after deepsleep if ext0 or ext1 wake up source was used Licensing information updated Some unneeded sources removed
83 lines
2.9 KiB
C
83 lines
2.9 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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* Development of the code in this file was sponsored by Microbric Pty Ltd
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Damien P. George
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* Copyright (c) 2018 LoBo (https://github.com/loboris)
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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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#include <stdio.h>
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#include "driver/uart.h"
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#include "uart.h"
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#include "py/mpstate.h"
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#include "py/mphal.h"
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STATIC void uart_irq_handler(void *arg);
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QueueHandle_t uart0_mutex = NULL;
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QueueSetMemberHandle_t uart0_semaphore = NULL;
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int uart0_raw_input = 0;
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//------------------
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void uart_init(void)
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{
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uart0_mutex = xSemaphoreCreateMutex();
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uart0_semaphore = xSemaphoreCreateBinary();
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uart_isr_handle_t handle;
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uart_isr_register(UART_NUM_0, uart_irq_handler, NULL, ESP_INTR_FLAG_LOWMED | ESP_INTR_FLAG_IRAM, &handle);
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uart_enable_rx_intr(UART_NUM_0);
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}
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// all code executed in ISR must be in IRAM, and any const data must be in DRAM
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//-----------------------------------------------
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STATIC void IRAM_ATTR uart_irq_handler(void *arg)
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{
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volatile uart_dev_t *uart = &UART0;
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static int xHigherPriorityTaskWoken;
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uart->int_clr.rxfifo_full = 1;
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uart->int_clr.frm_err = 1;
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uart->int_clr.rxfifo_tout = 1;
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xHigherPriorityTaskWoken = pdFALSE;
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while (uart->status.rxfifo_cnt) {
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uint8_t c = uart->fifo.rw_byte;
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if ((uart0_raw_input == 0) && (c == mp_interrupt_char)) {
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// inline version of mp_keyboard_interrupt();
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MP_STATE_VM(mp_pending_exception) = MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception));
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#if MICROPY_ENABLE_SCHEDULER
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if (MP_STATE_VM(sched_state) == MP_SCHED_IDLE) {
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MP_STATE_VM(sched_state) = MP_SCHED_PENDING;
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}
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#endif
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}
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else {
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// this is an inline function so will be in IRAM
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ringbuf_put(&stdin_ringbuf, c);
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}
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}
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xSemaphoreGiveFromISR( uart0_semaphore, &xHigherPriorityTaskWoken );}
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