132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
/*
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* This file is part of the Micro Python 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) 2014 Damien P. George
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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 "ets_sys.h"
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#include "etshal.h"
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#include "uart.h"
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#include "esp_mphal.h"
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#include "user_interface.h"
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#include "ets_alt_task.h"
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#include "py/obj.h"
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#include "py/mpstate.h"
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#include "extmod/misc.h"
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extern void ets_wdt_disable(void);
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extern void wdt_feed(void);
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extern void ets_delay_us();
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void mp_hal_init(void) {
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ets_wdt_disable(); // it's a pain while developing
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mp_hal_rtc_init();
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uart_init(UART_BIT_RATE_115200, UART_BIT_RATE_115200);
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}
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void mp_hal_feed_watchdog(void) {
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//ets_wdt_disable(); // it's a pain while developing
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//WRITE_PERI_REG(0x60000914, 0x73);
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//wdt_feed(); // might also work
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}
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void mp_hal_delay_us(uint32_t us) {
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uint32_t start = system_get_time();
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while (system_get_time() - start < us) {
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ets_event_poll();
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}
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}
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int mp_hal_stdin_rx_chr(void) {
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for (;;) {
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int c = uart0_rx();
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if (c != -1) {
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return c;
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}
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mp_hal_delay_us(1);
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mp_hal_feed_watchdog();
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}
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}
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void mp_hal_stdout_tx_char(char c) {
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uart_tx_one_char(UART0, c);
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mp_uos_dupterm_tx_strn(&c, 1);
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}
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void mp_hal_stdout_tx_str(const char *str) {
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while (*str) {
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mp_hal_stdout_tx_char(*str++);
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}
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}
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void mp_hal_stdout_tx_strn(const char *str, uint32_t len) {
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while (len--) {
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mp_hal_stdout_tx_char(*str++);
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}
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}
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void mp_hal_stdout_tx_strn_cooked(const char *str, uint32_t len) {
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while (len--) {
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if (*str == '\n') {
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mp_hal_stdout_tx_char('\r');
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}
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mp_hal_stdout_tx_char(*str++);
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}
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}
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uint32_t mp_hal_ticks_ms(void) {
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return system_get_time() / 1000;
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}
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uint32_t mp_hal_ticks_us(void) {
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return system_get_time();
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}
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void mp_hal_delay_ms(uint32_t delay) {
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mp_hal_delay_us(delay * 1000);
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}
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void mp_hal_set_interrupt_char(int c) {
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if (c != -1) {
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mp_obj_exception_clear_traceback(MP_STATE_PORT(mp_kbd_exception));
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}
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extern int interrupt_char;
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interrupt_char = c;
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}
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void ets_event_poll(void) {
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ets_loop_iter();
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if (MP_STATE_VM(mp_pending_exception) != NULL) {
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mp_obj_t obj = MP_STATE_VM(mp_pending_exception);
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MP_STATE_VM(mp_pending_exception) = MP_OBJ_NULL;
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nlr_raise(obj);
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}
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}
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void __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("assert:%s:%d:%s: %s\n", file, line, func, expr);
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nlr_raise(mp_obj_new_exception_msg(&mp_type_AssertionError,
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"C-level assert"));
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}
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