![Damien George](/assets/img/avatar_default.png)
This helper function was added a while ago and these are the remaining cases to convert, to save a bit of code size.
214 lines
5.8 KiB
C
214 lines
5.8 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2014 Damien P. George
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "ets_sys.h"
|
|
#include "etshal.h"
|
|
#include "uart.h"
|
|
#include "esp_mphal.h"
|
|
#include "user_interface.h"
|
|
#include "ets_alt_task.h"
|
|
#include "py/runtime.h"
|
|
#include "py/stream.h"
|
|
#include "extmod/misc.h"
|
|
#include "lib/utils/pyexec.h"
|
|
|
|
STATIC byte stdin_ringbuf_array[256];
|
|
ringbuf_t stdin_ringbuf = {stdin_ringbuf_array, sizeof(stdin_ringbuf_array), 0, 0};
|
|
void mp_hal_debug_tx_strn_cooked(void *env, const char *str, uint32_t len);
|
|
const mp_print_t mp_debug_print = {NULL, mp_hal_debug_tx_strn_cooked};
|
|
|
|
int uart_attached_to_dupterm;
|
|
|
|
void mp_hal_init(void) {
|
|
//ets_wdt_disable(); // it's a pain while developing
|
|
mp_hal_rtc_init();
|
|
uart_init(UART_BIT_RATE_115200, UART_BIT_RATE_115200);
|
|
uart_attached_to_dupterm = 0;
|
|
}
|
|
|
|
void mp_hal_delay_us(uint32_t us) {
|
|
uint32_t start = system_get_time();
|
|
while (system_get_time() - start < us) {
|
|
ets_event_poll();
|
|
}
|
|
}
|
|
|
|
uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
|
|
uintptr_t ret = 0;
|
|
if ((poll_flags & MP_STREAM_POLL_RD) && stdin_ringbuf.iget != stdin_ringbuf.iput) {
|
|
ret |= MP_STREAM_POLL_RD;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int mp_hal_stdin_rx_chr(void) {
|
|
for (;;) {
|
|
int c = ringbuf_get(&stdin_ringbuf);
|
|
if (c != -1) {
|
|
return c;
|
|
}
|
|
#if 0
|
|
// Idles CPU but need more testing before enabling
|
|
if (!ets_loop_iter()) {
|
|
asm("waiti 0");
|
|
}
|
|
#else
|
|
mp_hal_delay_us(1);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
void mp_hal_debug_str(const char *str) {
|
|
while (*str) {
|
|
uart_tx_one_char(UART0, *str++);
|
|
}
|
|
uart_flush(UART0);
|
|
}
|
|
#endif
|
|
|
|
void mp_hal_stdout_tx_str(const char *str) {
|
|
mp_uos_dupterm_tx_strn(str, strlen(str));
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn(const char *str, uint32_t len) {
|
|
mp_uos_dupterm_tx_strn(str, len);
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn_cooked(const char *str, uint32_t len) {
|
|
const char *last = str;
|
|
while (len--) {
|
|
if (*str == '\n') {
|
|
if (str > last) {
|
|
mp_uos_dupterm_tx_strn(last, str - last);
|
|
}
|
|
mp_uos_dupterm_tx_strn("\r\n", 2);
|
|
++str;
|
|
last = str;
|
|
} else {
|
|
++str;
|
|
}
|
|
}
|
|
if (str > last) {
|
|
mp_uos_dupterm_tx_strn(last, str - last);
|
|
}
|
|
}
|
|
|
|
void mp_hal_debug_tx_strn_cooked(void *env, const char *str, uint32_t len) {
|
|
(void)env;
|
|
while (len--) {
|
|
if (*str == '\n') {
|
|
uart_tx_one_char(UART0, '\r');
|
|
}
|
|
uart_tx_one_char(UART0, *str++);
|
|
}
|
|
}
|
|
|
|
uint32_t mp_hal_ticks_ms(void) {
|
|
// Compute milliseconds from 64-bit microsecond counter
|
|
system_time_update();
|
|
return ((uint64_t)system_time_high_word << 32 | (uint64_t)system_time_low_word) / 1000;
|
|
}
|
|
|
|
uint32_t mp_hal_ticks_us(void) {
|
|
return system_get_time();
|
|
}
|
|
|
|
void mp_hal_delay_ms(uint32_t delay) {
|
|
mp_hal_delay_us(delay * 1000);
|
|
}
|
|
|
|
void ets_event_poll(void) {
|
|
ets_loop_iter();
|
|
mp_handle_pending();
|
|
}
|
|
|
|
void __assert_func(const char *file, int line, const char *func, const char *expr) {
|
|
printf("assert:%s:%d:%s: %s\n", file, line, func, expr);
|
|
mp_raise_msg(&mp_type_AssertionError, "C-level assert");
|
|
}
|
|
|
|
void mp_hal_signal_input(void) {
|
|
#if MICROPY_REPL_EVENT_DRIVEN
|
|
system_os_post(UART_TASK_ID, 0, 0);
|
|
#endif
|
|
}
|
|
|
|
STATIC void dupterm_task_handler(os_event_t *evt) {
|
|
static byte lock;
|
|
if (lock) {
|
|
return;
|
|
}
|
|
lock = 1;
|
|
while (1) {
|
|
int c = mp_uos_dupterm_rx_chr();
|
|
if (c < 0) {
|
|
break;
|
|
}
|
|
ringbuf_put(&stdin_ringbuf, c);
|
|
}
|
|
mp_hal_signal_input();
|
|
lock = 0;
|
|
}
|
|
|
|
STATIC os_event_t dupterm_evt_queue[4];
|
|
|
|
void dupterm_task_init() {
|
|
system_os_task(dupterm_task_handler, DUPTERM_TASK_ID, dupterm_evt_queue, MP_ARRAY_SIZE(dupterm_evt_queue));
|
|
}
|
|
|
|
void mp_hal_signal_dupterm_input(void) {
|
|
system_os_post(DUPTERM_TASK_ID, 0, 0);
|
|
}
|
|
|
|
// Get pointer to esf_buf bookkeeping structure
|
|
void *ets_get_esf_buf_ctlblk(void) {
|
|
// Get literal ptr before start of esf_rx_buf_alloc func
|
|
extern void *esf_rx_buf_alloc();
|
|
return ((void**)esf_rx_buf_alloc)[-1];
|
|
}
|
|
|
|
// Get number of esf_buf free buffers of given type, as encoded by index
|
|
// idx 0 corresponds to buf types 1, 2; 1 - 4; 2 - 5; 3 - 7; 4 - 8
|
|
// Only following buf types appear to be used:
|
|
// 1 - tx buffer, 5 - management frame tx buffer; 8 - rx buffer
|
|
int ets_esf_free_bufs(int idx) {
|
|
uint32_t *p = ets_get_esf_buf_ctlblk();
|
|
uint32_t *b = (uint32_t*)p[idx];
|
|
int cnt = 0;
|
|
while (b) {
|
|
b = (uint32_t*)b[0x20 / 4];
|
|
cnt++;
|
|
}
|
|
return cnt;
|
|
}
|
|
|
|
extern int mp_stream_errno;
|
|
int *__errno() {
|
|
return &mp_stream_errno;
|
|
}
|