253 lines
5.8 KiB
C
253 lines
5.8 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) 2015 Glenn Ruben Bakke
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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 <errno.h>
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#include <string.h>
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#include "py/mpstate.h"
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#include "py/mphal.h"
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#include "py/mperrno.h"
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#include "tick.h"
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#if !defined( NRF52840_XXAA) || ( defined(CFG_HWUART_FOR_SERIAL) && CFG_HWUART_FOR_SERIAL == 1 )
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#include "hal_uart.h"
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#define UART_INSTANCE UART_BASE(0)
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#if (MICROPY_PY_BLE_NUS == 0)
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int mp_hal_stdin_rx_chr(void) {
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for (;;) {
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#ifdef MICROPY_VM_HOOK_LOOP
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MICROPY_VM_HOOK_LOOP
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#endif
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// if (reload_requested) {
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// return CHAR_CTRL_D;
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// }
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if ( hal_uart_available(UART_INSTANCE) ) {
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uint8_t ch;
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hal_uart_char_read(UART_INSTANCE, &ch);
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return (int) ch;
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}
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}
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return 0;
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}
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bool mp_hal_stdin_any(void) {
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return hal_uart_available(UART_INSTANCE);
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}
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void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
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// #ifdef MICROPY_HW_LED_TX
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// gpio_toggle_pin_level(MICROPY_HW_LED_TX);
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// #endif
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//
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// #ifdef CIRCUITPY_BOOT_OUTPUT_FILE
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// if (boot_output_file != NULL) {
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// UINT bytes_written = 0;
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// f_write(boot_output_file, str, len, &bytes_written);
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// }
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// #endif
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if ( hal_uart_inited(UART_INSTANCE) ) {
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while(len--) {
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hal_uart_char_write(UART_INSTANCE, *str++);
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}
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}
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}
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void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
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while(len--){
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if (*str == '\n') {
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hal_uart_char_write(UART_INSTANCE, '\r');
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}
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hal_uart_char_write(UART_INSTANCE, *str++);
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}
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}
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#endif
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void mp_hal_stdout_tx_str(const char *str) {
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mp_hal_stdout_tx_strn(str, strlen(str));
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}
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#else
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#include "tusb.h"
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int mp_hal_stdin_rx_chr(void) {
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for (;;) {
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#ifdef MICROPY_VM_HOOK_LOOP
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MICROPY_VM_HOOK_LOOP
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#endif
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// if (reload_requested) {
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// return CHAR_CTRL_D;
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// }
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if (tud_cdc_available()) {
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#ifdef MICROPY_HW_LED_RX
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gpio_toggle_pin_level(MICROPY_HW_LED_RX);
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#endif
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return tud_cdc_read_char();
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}
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}
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return 0;
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}
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bool mp_hal_stdin_any(void) {
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return tud_cdc_available() > 0;
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}
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void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
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#ifdef MICROPY_HW_LED_TX
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gpio_toggle_pin_level(MICROPY_HW_LED_TX);
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#endif
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#ifdef CIRCUITPY_BOOT_OUTPUT_FILE
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if (boot_output_file != NULL) {
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UINT bytes_written = 0;
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f_write(boot_output_file, str, len, &bytes_written);
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}
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#endif
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tud_cdc_write(str, len);
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}
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// TODO use stdout_helper.c
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void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {
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while (len--) {
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if (*str == '\n') {
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mp_hal_stdout_tx_strn("\r", 1);
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}
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mp_hal_stdout_tx_strn(str++, 1);
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}
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}
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void mp_hal_stdout_tx_str(const char *str) {
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mp_hal_stdout_tx_strn(str, strlen(str));
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}
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#endif
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void mp_hal_delay_ms(mp_uint_t delay) {
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uint64_t start_tick = ticks_ms;
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uint64_t duration = 0;
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while (duration < delay) {
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#ifdef MICROPY_VM_HOOK_LOOP
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MICROPY_VM_HOOK_LOOP
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#endif
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// Check to see if we've been CTRL-Ced by autoreload or the user.
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if(MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception))) {
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break;
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}
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duration = (ticks_ms - start_tick);
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// TODO(tannewt): Go to sleep for a little while while we wait.
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}
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}
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void mp_hal_delay_us(mp_uint_t us)
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{
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register uint32_t delay __ASM ("r0") = us;
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__ASM volatile (
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#ifdef NRF51
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".syntax unified\n"
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#endif
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"1:\n"
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" SUBS %0, %0, #1\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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#ifdef NRF52
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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" NOP\n"
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#endif
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" BNE 1b\n"
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#ifdef NRF51
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".syntax divided\n"
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#endif
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: "+r" (delay));
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}
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