87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "py/runtime.h"
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#include "py/stream.h"
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#include "py/mphal.h"
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#include "usb.h"
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#include "uart.h"
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#include "Arduino.h"
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mp_uint_t mp_hal_ticks_ms(void) {
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return millis();
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}
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void mp_hal_delay_ms(mp_uint_t ms) {
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delay(ms);
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}
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void mp_hal_set_interrupt_char(int c) {
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// The teensy 3.1 usb stack doesn't currently have the notion of generating
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// an exception when a certain character is received. That just means that
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// you can't press Control-C and get your python script to stop.
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}
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uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
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uintptr_t ret = 0;
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if (poll_flags & MP_STREAM_POLL_RD) {
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if (usb_vcp_rx_num()) {
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ret |= MP_STREAM_POLL_RD;
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}
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(pyb_stdio_uart))) {
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ret |= MP_STREAM_POLL_RD;
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}
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}
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if (poll_flags & MP_STREAM_POLL_WR) {
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL || usb_vcp_is_enabled()) {
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ret |= MP_STREAM_POLL_WR;
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}
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}
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return ret;
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}
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int mp_hal_stdin_rx_chr(void) {
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for (;;) {
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byte c;
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if (usb_vcp_recv_byte(&c) != 0) {
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return c;
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} else if (MP_STATE_PORT(pyb_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(pyb_stdio_uart))) {
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return uart_rx_char(MP_STATE_PORT(pyb_stdio_uart));
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}
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__WFI();
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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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void mp_hal_stdout_tx_strn(const char *str, size_t len) {
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
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uart_tx_strn(MP_STATE_PORT(pyb_stdio_uart), str, len);
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}
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if (usb_vcp_is_enabled()) {
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usb_vcp_send_strn(str, len);
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}
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}
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void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {
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// send stdout to UART and USB CDC VCP
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
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void uart_tx_strn_cooked(pyb_uart_obj_t *uart_obj, const char *str, uint len);
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uart_tx_strn_cooked(MP_STATE_PORT(pyb_stdio_uart), str, len);
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}
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if (usb_vcp_is_enabled()) {
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usb_vcp_send_strn_cooked(str, len);
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}
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}
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void mp_hal_gpio_clock_enable(GPIO_TypeDef *gpio) {
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}
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void extint_register_pin(const void *pin, uint32_t mode, int hard_irq, mp_obj_t callback_obj) {
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mp_raise_NotImplementedError(NULL);
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}
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MP_REGISTER_ROOT_POINTER(struct _pyb_uart_obj_t *pyb_stdio_uart);
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