159 lines
3.9 KiB
C
159 lines
3.9 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "py/nlr.h"
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#include "py/compile.h"
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#include "py/mphal.h"
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#include "py/runtime.h"
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#include "py/repl.h"
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#include "py/gc.h"
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#include "lib/utils/pyexec.h"
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#include "asf/common/services/sleepmgr/sleepmgr.h"
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#include "asf/common/services/usb/udc/udc.h"
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#include "asf/common2/services/delay/delay.h"
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#include "asf/sam0/drivers/port/port.h"
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#include "asf/sam0/drivers/sercom/usart/usart.h"
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#include "asf/sam0/drivers/system/system.h"
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#include "mpconfigboard.h"
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#include "modmachine_pin.h"
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#include "uart.h"
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void do_str(const char *src, mp_parse_input_kind_t input_kind) {
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mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
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if (lex == NULL) {
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printf("MemoryError: lexer could not allocate memory\n");
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return;
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}
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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qstr source_name = lex->source_name;
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mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
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mp_obj_t module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, true);
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mp_call_function_0(module_fun);
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nlr_pop();
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} else {
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// uncaught exception
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mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
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}
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}
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static char *stack_top;
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static char heap[8192];
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int main(int argc, char **argv) {
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// initialise the cpu and peripherals
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#if MICROPY_MIN_USE_SAMD21_MCU
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void samd21_init(void);
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samd21_init();
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#endif
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int stack_dummy;
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stack_top = (char*)&stack_dummy;
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#if MICROPY_ENABLE_GC
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gc_init(heap, heap + sizeof(heap));
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#endif
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mp_init();
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MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
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pin_init0();
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#if MICROPY_REPL_EVENT_DRIVEN
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pyexec_event_repl_init();
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for (;;) {
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int c = mp_hal_stdin_rx_chr();
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if (pyexec_event_repl_process_char(c)) {
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break;
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}
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}
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#else
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pyexec_friendly_repl();
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#endif
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//do_str("print('hello world!', list(x+1 for x in range(10)), end='eol\\n')", MP_PARSE_SINGLE_INPUT);
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//do_str("for i in range(10):\r\n print(i)", MP_PARSE_FILE_INPUT);
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mp_deinit();
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return 0;
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}
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void gc_collect(void) {
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// WARNING: This gc_collect implementation doesn't try to get root
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// pointers from CPU registers, and thus may function incorrectly.
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void *dummy;
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gc_collect_start();
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gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
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gc_collect_end();
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gc_dump_info();
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}
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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return NULL;
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}
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mp_import_stat_t mp_import_stat(const char *path) {
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return MP_IMPORT_STAT_NO_EXIST;
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}
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mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
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void mp_keyboard_interrupt(void) {
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MP_STATE_VM(mp_pending_exception) = MP_STATE_PORT(mp_kbd_exception);
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}
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void nlr_jump_fail(void *val) {
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}
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void NORETURN __fatal_error(const char *msg) {
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while (1);
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}
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#ifndef NDEBUG
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void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
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__fatal_error("Assertion failed");
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}
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#endif
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#if MICROPY_MIN_USE_SAMD21_MCU
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struct usart_module usart_instance;
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void samd21_init(void) {
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irq_initialize_vectors();
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cpu_irq_enable();
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// Initialize the sleep manager
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sleepmgr_init();
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system_init();
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delay_init();
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// Uncomment to init PIN_PA17 for debugging.
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// struct port_config pin_conf;
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// port_get_config_defaults(&pin_conf);
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//
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// pin_conf.direction = PORT_PIN_DIR_OUTPUT;
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// port_pin_set_config(MICROPY_HW_LED1, &pin_conf);
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// port_pin_set_output_level(MICROPY_HW_LED1, false);
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#ifdef USB_REPL
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udc_start();
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#endif
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// TODO(tannewt): Switch to proper pyb based UARTs.
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#ifdef UART_REPL
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configure_usart();
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#endif
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}
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#endif
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