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#include <stdio.h>
#include <stm32f4xx_hal.h>
#include "misc.h"
#include "mpconfig.h"
#include "qstr.h"
#include "misc.h"
#include "obj.h"
#include "stream.h"
#include "pybstdio.h"
#include "usb.h"
#include "usart.h"
void stdout_tx_str(const char *str) {
if (pyb_usart_global_debug != PYB_USART_NONE) {
usart_tx_str(pyb_usart_global_debug, str);
}
#if defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
lcd_print_str(str);
#endif
usb_vcp_send_str(str);
}
void stdout_tx_strn(const char *str, uint len) {
if (pyb_usart_global_debug != PYB_USART_NONE) {
usart_tx_strn(pyb_usart_global_debug, str, len);
}
#if defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
lcd_print_strn(str, len);
#endif
usb_vcp_send_strn(str, len);
}
int stdin_rx_chr(void) {
for (;;) {
#if 0
#ifdef USE_HOST_MODE
pyb_usb_host_process();
int c = pyb_usb_host_get_keyboard();
if (c != 0) {
return c;
}
#endif
#endif
if (usb_vcp_rx_num() != 0) {
return usb_vcp_rx_get();
} else if (pyb_usart_global_debug != PYB_USART_NONE && usart_rx_any(pyb_usart_global_debug)) {
return usart_rx_char(pyb_usart_global_debug);
}
__WFI();
}
}
/******************************************************************************/
// Micro Python bindings
#define STDIO_FD_IN (0)
#define STDIO_FD_OUT (1)
#define STDIO_FD_ERR (2)
typedef struct _pyb_stdio_obj_t {
mp_obj_base_t base;
int fd;
} pyb_stdio_obj_t;
void stdio_obj_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
pyb_stdio_obj_t *self = self_in;
printf("<io.FileIO %d>", self->fd);
}
STATIC machine_int_t stdio_read(mp_obj_t self_in, void *buf, machine_uint_t size, int *errcode) {
pyb_stdio_obj_t *self = self_in;
if (self->fd == STDIO_FD_IN) {
for (uint i = 0; i < size; i++) {
int c = stdin_rx_chr();
if (c == '\r') {
c = '\n';
}
((byte*)buf)[i] = c;
}
*errcode = 0;
return size;
} else {
*errcode = 1;
return 0;
}
}
STATIC machine_int_t stdio_write(mp_obj_t self_in, const void *buf, machine_uint_t size, int *errcode) {
pyb_stdio_obj_t *self = self_in;
if (self->fd == STDIO_FD_OUT || self->fd == STDIO_FD_ERR) {
stdout_tx_strn(buf, size);
*errcode = 0;
return size;
} else {
*errcode = 1;
return 0;
}
}
mp_obj_t stdio_obj___exit__(uint n_args, const mp_obj_t *args) {
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(stdio_obj___exit___obj, 4, 4, stdio_obj___exit__);
// TODO gc hook to close the file if not already closed
STATIC const mp_map_elem_t stdio_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&mp_stream_read_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_readall), (mp_obj_t)&mp_stream_readall_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_readline), (mp_obj_t)&mp_stream_unbuffered_readline_obj},
{ MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&mp_stream_write_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_close), (mp_obj_t)&mp_identity_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR___del__), (mp_obj_t)&mp_identity_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR___enter__), (mp_obj_t)&mp_identity_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR___exit__), (mp_obj_t)&stdio_obj___exit___obj },
};
STATIC MP_DEFINE_CONST_DICT(stdio_locals_dict, stdio_locals_dict_table);
STATIC const mp_stream_p_t stdio_obj_stream_p = {
.read = stdio_read,
.write = stdio_write,
};
STATIC const mp_obj_type_t stdio_obj_type = {
{ &mp_type_type },
.name = MP_QSTR_FileIO,
// TODO .make_new?
.print = stdio_obj_print,
.getiter = mp_identity,
.iternext = mp_stream_unbuffered_iter,
.stream_p = &stdio_obj_stream_p,
.locals_dict = (mp_obj_t)&stdio_locals_dict,
};
const pyb_stdio_obj_t mp_sys_stdin_obj = {{&stdio_obj_type}, .fd = STDIO_FD_IN};
const pyb_stdio_obj_t mp_sys_stdout_obj = {{&stdio_obj_type}, .fd = STDIO_FD_OUT};
const pyb_stdio_obj_t mp_sys_stderr_obj = {{&stdio_obj_type}, .fd = STDIO_FD_ERR};
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