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@ -3,29 +3,32 @@
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#include <string.h>
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#include <stdlib.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "nlr.h"
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#include "lexer.h"
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#include "lexermemzip.h"
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#include "parse.h"
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#include "obj.h"
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#include "compile.h"
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#include "runtime0.h"
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#include "runtime.h"
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#include "repl.h"
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#include "gc.h"
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#include "gccollect.h"
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#include "pyexec.h"
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#include "pybstdio.h"
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#include "readline.h"
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#include "Arduino.h"
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#include HAL_H
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#include "servo.h"
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#include "usb.h"
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#include "gc.h"
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#include "led.h"
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#include "build/py/py-version.h"
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#include "Arduino.h"
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//#include "pin.h"
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extern uint32_t _heap_start;
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bool do_file(const char *filename);
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extern uint32_t _heap_start;
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void flash_error(int n) {
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for (int i = 0; i < n; i++) {
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@ -36,25 +39,36 @@ void flash_error(int n) {
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}
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}
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static const char *help_text =
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"Welcome to Micro Python!\n\n"
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"This is a *very* early version of Micro Python and has minimal functionality.\n\n"
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"Specific commands for the board:\n"
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" pyb.info() -- print some general information\n"
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" pyb.gc() -- run the garbage collector\n"
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" pyb.delay(<n>) -- wait for n milliseconds\n"
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" pyb.Led(<n>) -- create Led object for LED n (n=0)\n"
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" Led methods: on(), off()\n"
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" pyb.gpio(<pin>) -- read gpio pin\n"
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" pyb.gpio(<pin>, <val>) -- set gpio pin\n"
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#if 0
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" pyb.Servo(<n>) -- create Servo object for servo n (n=1,2,3,4)\n"
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" Servo methods: angle(<x>)\n"
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" pyb.switch() -- return True/False if switch pressed or not\n"
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" pyb.accel() -- get accelerometer values\n"
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" pyb.rand() -- get a 16-bit random number\n"
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#endif
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;
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void __fatal_error(const char *msg) {
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for (volatile uint delay = 0; delay < 10000000; delay++) {
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}
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led_state(1, 1);
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led_state(2, 1);
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led_state(3, 1);
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led_state(4, 1);
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stdout_tx_strn("\nFATAL ERROR:\n", 14);
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stdout_tx_strn(msg, strlen(msg));
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for (uint i = 0;;) {
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led_toggle(((i++) & 3) + 1);
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for (volatile uint delay = 0; delay < 10000000; delay++) {
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}
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if (i >= 16) {
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// to conserve power
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__WFI();
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}
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}
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}
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void nlr_jump_fail(void *val) {
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printf("FATAL: uncaught exception %p\n", val);
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__fatal_error("");
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}
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void __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("Assertion failed: %s, file %s, line %d\n", expr, file, line);
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__fatal_error("");
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}
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mp_obj_t pyb_analog_read(mp_obj_t pin_obj) {
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uint pin = mp_obj_get_int(pin_obj);
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@ -82,12 +96,7 @@ mp_obj_t pyb_analog_write_frequency(mp_obj_t pin_obj, mp_obj_t freq_obj) {
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return mp_const_none;
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}
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// get some help about available functions
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static mp_obj_t pyb_help(void) {
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printf("%s", help_text);
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return mp_const_none;
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}
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#if 0
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// get lots of info about the board
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static mp_obj_t pyb_info(void) {
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// get and print unique id; 96 bits
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@ -101,12 +110,6 @@ static mp_obj_t pyb_info(void) {
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// to print info about memory
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{
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extern void *_sdata;
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extern void *_edata;
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extern void *_sbss;
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extern void *_ebss;
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extern void *_estack;
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extern void *_etext;
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printf("_sdata=%p\n", &_sdata);
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printf("_edata=%p\n", &_edata);
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printf("_sbss=%p\n", &_sbss);
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@ -121,9 +124,9 @@ static mp_obj_t pyb_info(void) {
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gc_info_t info;
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gc_info(&info);
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printf("GC:\n");
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printf(" %lu total\n", info.total);
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printf(" %lu used %lu free\n", info.used, info.free);
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printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
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printf(" %u total\n", info.total);
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printf(" %u used %u free\n", info.used, info.free);
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printf(" 1=%u 2=%u m=%u\n", info.num_1block, info.num_2block, info.max_block);
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}
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#if 0
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@ -139,32 +142,15 @@ static mp_obj_t pyb_info(void) {
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return mp_const_none;
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}
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#endif
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#define RAM_START (0x1FFF8000) // fixed for chip
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#define HEAP_END (0x20006000) // tunable
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#define RAM_END (0x20008000) // fixed for chip
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void gc_helper_get_regs_and_clean_stack(machine_uint_t *regs, machine_uint_t heap_end);
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#if 0
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void gc_collect(void) {
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uint32_t start = micros();
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gc_collect_start();
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gc_collect_root((void**)RAM_START, (((uint32_t)&_heap_start) - RAM_START) / 4);
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machine_uint_t regs[10];
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gc_helper_get_regs_and_clean_stack(regs, HEAP_END);
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gc_collect_root((void**)HEAP_END, (RAM_END - HEAP_END) / 4); // will trace regs since they now live in this function on the stack
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gc_collect_end();
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uint32_t ticks = micros() - start; // TODO implement a function that does this properly
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if (0) {
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// print GC info
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gc_info_t info;
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gc_info(&info);
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printf("GC@%lu %luus\n", start, ticks);
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printf(" %lu total\n", info.total);
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printf(" %lu used %lu free\n", info.used, info.free);
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printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
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}
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}
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void gc_helper_get_regs_and_clean_stack(machine_uint_t *regs, machine_uint_t heap_end);
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mp_obj_t pyb_gc(void) {
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gc_collect();
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@ -191,7 +177,7 @@ mp_obj_t pyb_gpio(int n_args, mp_obj_t *args) {
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return mp_const_none;
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pin_error:
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nlr_raise(mp_obj_new_exception_msg_varg(MP_QSTR_ValueError, "pin %d does not exist", pin));
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "pin %d does not exist", pin));
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_gpio_obj, 1, 2, pyb_gpio);
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@ -209,29 +195,41 @@ mp_obj_t pyb_hid_send_report(mp_obj_t arg) {
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}
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#endif
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static mp_obj_t pyb_config_source_dir = MP_OBJ_NULL;
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static mp_obj_t pyb_config_main = MP_OBJ_NULL;
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#endif // 0
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STATIC mp_obj_t pyb_config_source_dir = MP_OBJ_NULL;
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STATIC mp_obj_t pyb_config_main = MP_OBJ_NULL;
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STATIC mp_obj_t pyb_config_usb_mode = MP_OBJ_NULL;
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mp_obj_t pyb_source_dir(mp_obj_t source_dir) {
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if (MP_OBJ_IS_STR(source_dir)) {
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pyb_config_source_dir = source_dir;
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printf("source_dir = '");
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mp_obj_print(source_dir, PRINT_STR);
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printf("'\n");
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(pyb_source_dir_obj, pyb_source_dir);
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mp_obj_t pyb_main(mp_obj_t main) {
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if (MP_OBJ_IS_STR(main)) {
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pyb_config_main = main;
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printf("main = '");
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mp_obj_print(main, PRINT_STR);
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printf("'\n");
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(pyb_main_obj, pyb_main);
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STATIC mp_obj_t pyb_usb_mode(mp_obj_t usb_mode) {
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if (MP_OBJ_IS_STR(usb_mode)) {
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pyb_config_usb_mode = usb_mode;
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(pyb_usb_mode_obj, pyb_usb_mode);
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#if 0
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mp_obj_t pyb_delay(mp_obj_t count) {
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delay(mp_obj_get_int(count));
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return mp_const_none;
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@ -242,12 +240,9 @@ mp_obj_t pyb_led(mp_obj_t state) {
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return state;
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}
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mp_obj_t pyb_run(mp_obj_t filename_obj) {
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const char *filename = qstr_str(mp_obj_str_get_qstr(filename_obj));
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do_file(filename);
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return mp_const_none;
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}
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#endif // 0
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#if 0
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char *strdup(const char *str) {
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uint32_t len = strlen(str);
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char *s2 = m_new(char, len + 1);
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@ -255,219 +250,31 @@ char *strdup(const char *str) {
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s2[len] = 0;
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return s2;
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}
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#define READLINE_HIST_SIZE (8)
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static const char *readline_hist[READLINE_HIST_SIZE] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
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void stdout_tx_str(const char *str) {
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// usart_tx_str(str);
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usb_vcp_send_str(str);
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}
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int readline(vstr_t *line, const char *prompt) {
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stdout_tx_str(prompt);
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int len = vstr_len(line);
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int escape = 0;
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int hist_num = 0;
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for (;;) {
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char c;
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for (;;) {
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if (usb_vcp_rx_any() != 0) {
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c = usb_vcp_rx_get();
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break;
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#if 0
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} else if (usart_rx_any()) {
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c = usart_rx_char();
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break;
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#endif
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}
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//delay(1);
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//if (storage_needs_flush()) {
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// storage_flush();
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//}
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}
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if (escape == 0) {
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if (c == 4 && vstr_len(line) == len) {
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return 0;
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} else if (c == '\r') {
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stdout_tx_str("\r\n");
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for (int i = READLINE_HIST_SIZE - 1; i > 0; i--) {
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readline_hist[i] = readline_hist[i - 1];
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}
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readline_hist[0] = strdup(vstr_str(line));
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return 1;
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} else if (c == 27) {
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escape = true;
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} else if (c == 127) {
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if (vstr_len(line) > len) {
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vstr_cut_tail(line, 1);
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stdout_tx_str("\b \b");
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}
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} else if (32 <= c && c <= 126) {
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vstr_add_char(line, c);
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stdout_tx_str(line->buf + line->len - 1);
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}
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} else if (escape == 1) {
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if (c == '[') {
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escape = 2;
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} else {
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escape = 0;
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}
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} else if (escape == 2) {
|
|
|
|
|
escape = 0;
|
|
|
|
|
if (c == 'A') {
|
|
|
|
|
// up arrow
|
|
|
|
|
if (hist_num < READLINE_HIST_SIZE && readline_hist[hist_num] != NULL) {
|
|
|
|
|
// erase line
|
|
|
|
|
for (int i = line->len - len; i > 0; i--) {
|
|
|
|
|
stdout_tx_str("\b \b");
|
|
|
|
|
}
|
|
|
|
|
// set line to history
|
|
|
|
|
line->len = len;
|
|
|
|
|
vstr_add_str(line, readline_hist[hist_num]);
|
|
|
|
|
// draw line
|
|
|
|
|
stdout_tx_str(readline_hist[hist_num]);
|
|
|
|
|
// increase hist num
|
|
|
|
|
hist_num += 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
escape = 0;
|
|
|
|
|
}
|
|
|
|
|
delay(10);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool do_file(const char *filename) {
|
|
|
|
|
mp_lexer_t *lex = mp_lexer_new_from_memzip_file(filename);
|
|
|
|
|
|
|
|
|
|
if (lex == NULL) {
|
|
|
|
|
printf("could not open file '%s' for reading\n", filename);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
mp_parse_error_kind_t parse_error_kind;
|
|
|
|
|
mp_parse_node_t pn = mp_parse(lex, MP_PARSE_FILE_INPUT, &parse_error_kind);
|
|
|
|
|
qstr source_name = mp_lexer_source_name(lex);
|
|
|
|
|
|
|
|
|
|
if (pn == MP_PARSE_NODE_NULL) {
|
|
|
|
|
// parse error
|
|
|
|
|
mp_parse_show_exception(lex, parse_error_kind);
|
|
|
|
|
mp_lexer_free(lex);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
mp_lexer_free(lex);
|
|
|
|
|
|
|
|
|
|
mp_obj_t module_fun = mp_compile(pn, source_name, MP_EMIT_OPT_NONE, false);
|
|
|
|
|
mp_parse_node_free(pn);
|
|
|
|
|
|
|
|
|
|
if (module_fun == mp_const_none) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
nlr_buf_t nlr;
|
|
|
|
|
if (nlr_push(&nlr) == 0) {
|
|
|
|
|
mp_call_function_0(module_fun);
|
|
|
|
|
nlr_pop();
|
|
|
|
|
return true;
|
|
|
|
|
} else {
|
|
|
|
|
// uncaught exception
|
|
|
|
|
mp_obj_print((mp_obj_t)nlr.ret_val, PRINT_REPR);
|
|
|
|
|
printf("\n");
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void do_repl(void) {
|
|
|
|
|
stdout_tx_str("Micro Python build " MICROPY_GIT_HASH " on " MICROPY_BUILD_DATE "; Teensy 3.1 version\n");
|
|
|
|
|
stdout_tx_str("Type \"help()\" for more information.\r\n");
|
|
|
|
|
|
|
|
|
|
vstr_t line;
|
|
|
|
|
vstr_init(&line, 32);
|
|
|
|
|
|
|
|
|
|
for (;;) {
|
|
|
|
|
vstr_reset(&line);
|
|
|
|
|
int ret = readline(&line, ">>> ");
|
|
|
|
|
if (ret == 0) {
|
|
|
|
|
// EOF
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (vstr_len(&line) == 0) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
while (mp_repl_continue_with_input(vstr_str(&line))) {
|
|
|
|
|
vstr_add_char(&line, '\n');
|
|
|
|
|
int ret = readline(&line, "... ");
|
|
|
|
|
if (ret == 0) {
|
|
|
|
|
// stop entering compound statement
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr_str(&line), vstr_len(&line), 0);
|
|
|
|
|
mp_parse_error_kind_t parse_error_kind;
|
|
|
|
|
mp_parse_node_t pn = mp_parse(lex, MP_PARSE_SINGLE_INPUT, &parse_error_kind);
|
|
|
|
|
qstr source_name = mp_lexer_source_name(lex);
|
|
|
|
|
|
|
|
|
|
if (pn == MP_PARSE_NODE_NULL) {
|
|
|
|
|
// parse error
|
|
|
|
|
mp_parse_show_exception(lex, parse_error_kind);
|
|
|
|
|
mp_lexer_free(lex);
|
|
|
|
|
} else {
|
|
|
|
|
// parse okay
|
|
|
|
|
mp_lexer_free(lex);
|
|
|
|
|
mp_obj_t module_fun = mp_compile(pn, source_name, MP_EMIT_OPT_NONE, true);
|
|
|
|
|
if (module_fun != mp_const_none) {
|
|
|
|
|
nlr_buf_t nlr;
|
|
|
|
|
uint32_t start = micros();
|
|
|
|
|
if (nlr_push(&nlr) == 0) {
|
|
|
|
|
mp_call_function_0(module_fun);
|
|
|
|
|
nlr_pop();
|
|
|
|
|
// optional timing
|
|
|
|
|
if (0) {
|
|
|
|
|
uint32_t ticks = micros() - start; // TODO implement a function that does this properly
|
|
|
|
|
printf("(took %lu ms)\n", ticks);
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
Dave Hylands
9 years ago