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Damien George075d5972014-11-27 20:30:33 +00001/*
2 * This file is part of the Micro Python project, http://micropython.org/
3 *
4 * The MIT License (MIT)
5 *
6 * Copyright (c) 2014 Damien P. George
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
26
27#include <stdio.h>
28#include "ets_sys.h"
29#include "etshal.h"
30#include "uart.h"
31#include "esp_mphal.h"
Josef Gajdusek800d5cd2015-05-10 17:54:09 +020032#include "user_interface.h"
Paul Sokolovskya099bfe2016-03-11 09:38:20 +070033#include "ets_alt_task.h"
Paul Sokolovsky8ab16b62015-12-29 20:44:55 +020034#include "py/obj.h"
35#include "py/mpstate.h"
Damien George075d5972014-11-27 20:30:33 +000036
37extern void ets_wdt_disable(void);
38extern void wdt_feed(void);
39extern void ets_delay_us();
40
41void mp_hal_init(void) {
42 ets_wdt_disable(); // it's a pain while developing
Paul Sokolovskya4c8ef92016-02-08 21:43:37 +020043 mp_hal_rtc_init();
Damien George075d5972014-11-27 20:30:33 +000044 uart_init(UART_BIT_RATE_115200, UART_BIT_RATE_115200);
45}
46
47void mp_hal_feed_watchdog(void) {
48 //ets_wdt_disable(); // it's a pain while developing
49 //WRITE_PERI_REG(0x60000914, 0x73);
50 //wdt_feed(); // might also work
51}
52
Paul Sokolovsky5699fc92015-10-29 02:06:13 +030053void mp_hal_delay_us(uint32_t us) {
Damien George075d5972014-11-27 20:30:33 +000054 ets_delay_us(us);
55}
56
Damien George0b32e502015-02-13 15:04:53 +000057int mp_hal_stdin_rx_chr(void) {
58 for (;;) {
59 int c = uart0_rx();
60 if (c != -1) {
61 return c;
62 }
Paul Sokolovsky5699fc92015-10-29 02:06:13 +030063 mp_hal_delay_us(1);
Damien George0b32e502015-02-13 15:04:53 +000064 mp_hal_feed_watchdog();
65 }
Damien George075d5972014-11-27 20:30:33 +000066}
67
Damien George0b32e502015-02-13 15:04:53 +000068void mp_hal_stdout_tx_str(const char *str) {
Damien George075d5972014-11-27 20:30:33 +000069 while (*str) {
70 uart_tx_one_char(UART0, *str++);
71 }
72}
73
Damien George0b32e502015-02-13 15:04:53 +000074void mp_hal_stdout_tx_strn(const char *str, uint32_t len) {
Damien George075d5972014-11-27 20:30:33 +000075 while (len--) {
76 uart_tx_one_char(UART0, *str++);
77 }
78}
79
Damien George0b32e502015-02-13 15:04:53 +000080void mp_hal_stdout_tx_strn_cooked(const char *str, uint32_t len) {
Damien George075d5972014-11-27 20:30:33 +000081 while (len--) {
82 if (*str == '\n') {
83 uart_tx_one_char(UART0, '\r');
84 }
85 uart_tx_one_char(UART0, *str++);
86 }
87}
88
Paul Sokolovsky6a09e7d2015-10-29 19:35:04 +030089uint32_t mp_hal_ticks_ms(void) {
Josef Gajdusek800d5cd2015-05-10 17:54:09 +020090 return system_get_time() / 1000;
Damien George075d5972014-11-27 20:30:33 +000091}
92
Damien Georgeb41a14a2015-12-28 17:27:44 +000093uint32_t mp_hal_ticks_us(void) {
94 return system_get_time();
95}
96
Paul Sokolovskyebd9f552015-10-29 13:03:44 +030097void mp_hal_delay_ms(uint32_t delay) {
98 mp_hal_delay_us(delay * 1000);
Damien George075d5972014-11-27 20:30:33 +000099}
100
101void mp_hal_set_interrupt_char(int c) {
Paul Sokolovskyd3a4d392015-12-20 13:58:58 +0200102 if (c != -1) {
103 mp_obj_exception_clear_traceback(MP_STATE_PORT(mp_kbd_exception));
104 }
105 extern int interrupt_char;
106 interrupt_char = c;
Damien George075d5972014-11-27 20:30:33 +0000107}
Paul Sokolovsky8ab16b62015-12-29 20:44:55 +0200108
Paul Sokolovskya099bfe2016-03-11 09:38:20 +0700109void ets_event_poll(void) {
110 ets_loop_iter();
111 if (MP_STATE_VM(mp_pending_exception) != NULL) {
112 mp_obj_t obj = MP_STATE_VM(mp_pending_exception);
113 MP_STATE_VM(mp_pending_exception) = MP_OBJ_NULL;
114 nlr_raise(obj);
115 }
116}
117
Paul Sokolovsky8ab16b62015-12-29 20:44:55 +0200118void __assert_func(const char *file, int line, const char *func, const char *expr) {
119 printf("assert:%s:%d:%s: %s\n", file, line, func, expr);
120 nlr_raise(mp_obj_new_exception_msg(&mp_type_AssertionError,
121 "C-level assert"));
122}