mp-s7/mp-s7-src/main.cc

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#include "retro/Console.h"
#include <stdint.h>
#include <stdio.h>
#include <string.h>
//Here we start to merge the C code from the MP minimal example with the C++ code from the Retro68 Console example
extern "C" {
#include "py/compile.h"
#include "py/runtime.h"
#include "py/repl.h"
#include "py/gc.h"
#include "py/mperrno.h"
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#include "lib/utils/pyexec.h"
}
extern "C" int mp_hal_stdin_rx_chr(void);
extern "C" void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len);
#if MICROPY_ENABLE_COMPILER
void do_str(const char *src, mp_parse_input_kind_t input_kind) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
qstr source_name = lex->source_name;
mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
mp_obj_t module_fun = mp_compile(&parse_tree, source_name, true);
mp_call_function_0(module_fun);
nlr_pop();
} else {
// uncaught exception
mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
}
}
#endif
static char *stack_top;
#if MICROPY_ENABLE_GC
static char heap[2048];
#endif
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namespace retro
{
void InitConsole();
}
int main()
{
int stack_dummy;
stack_top = (char*)&stack_dummy;
#if MICROPY_ENABLE_GC
gc_init(heap, heap + sizeof(heap));
#endif
mp_init();
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retro::InitConsole();
//std::string out = "Hello, world.\nEnter \"exit\" to quit.\n";
//retro::Console::currentInstance->write(out.data(), out.size());
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pyexec_event_repl_init();
for (;;) {
int c = mp_hal_stdin_rx_chr();
if (pyexec_event_repl_process_char(c)) {
break;
}
}
/*
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std::string in;
do
{
in = retro::Console::currentInstance->ReadLine();
out = "You Entered: " + in;
retro::Console::currentInstance->write(out.data(), out.size());
} while(in != "exit\n");
*/
mp_deinit();
return 0;
}
extern "C" void gc_collect(void) {
// WARNING: This gc_collect implementation doesn't try to get root
// pointers from CPU registers, and thus may function incorrectly.
void *dummy;
gc_collect_start();
gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
gc_collect_end();
gc_dump_info();
}
// Receive single character
int mp_hal_stdin_rx_chr(void) {
unsigned char c = 0;
c = retro::Console::currentInstance->ReadChar();
return c;
}
// Send string of given length
void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
//int r = write(1, str, len);
retro::Console::currentInstance->write(str, len);
//(void)r;
}