Based on the code from pikascript.com and all ==latest versions for the STM32F103C8 and a slight adaption to call into pikaScriptShell(pikaMain) and giving the firmware the needed char __platform_getchar(void) function, I successfully get a Python shell on my Bluepill board.

>miniterm.py -e --eol CRLF COM6 115200
======[pikascript packages installed]======
PikaStdDevice==latest
PikaStdLib==latest
STM32F1==latest
pikascript-core==latest
===========================================
memory used now: 140 B
memory used max: 848 B

>>>
>>>

While some functions work

>>> 2**8
256.000000
>>> "A" + "B"
AB
>>> print("Hello" + " world")
Hello world
>>> x = 3.0
>>> y = 5.0
>>> x +y
8.000000

Others are really broken

>>> 1+1
0
>>> 20 + 30
0
>>> 2 * 3
0
>>> int("3")
[error] convert to int type faild.
   STR 3                (#1)
 -> RUN int             (#3)
>>> print("A" if True else "False")
AifTrueelseFalse
>>> len("ABC")
NameError: name 'len' is not defined
   STR ABC              (#1)
 -> RUN len             (#5)

Is there something wrong with how I build the shell or did I miss something else?

The project is at https://github.com/maxgerhardt/pikascript-pio-bluepill/ and is using PlatformIO, very easy to use + upload + debug.

Same setup as in #96

>>> myList = [1,2,3]
NameError: name '[1,2,__get__' is not defined
   NUM 3                (#1)
 -> RUN [1,2,__get__            (#3)
>>> myList = ["123"]
NameError: name '[__get__' is not defined
   STR 123              (#1)
 -> RUN [__get__                (#5)

Really weird error messages too.

I have got the bluepill template for pikascript and then made a Makefile to compile with arm-none-eabi-gcc, the code is in this repository.

I was able to compile all .c files in the template into objects and them link them successfully, I could also build a binary firmware.

The issue is that the size is WAY too big for 128K bluepill flash memory, so I would like to know what objects may not be compiled to build a smaller binary.

Thanks in advance!

从商业推广和优化的角度考虑，现在急需要为PikaScript建立一个浅显易懂又极具说服力的Benchmark。

推荐如下： 1、选一个主流的平台，比如Cortex-M（推荐以M0和M3为参考，前者是Thumb后者是Thumb2） 2、选一个以穷举为主的算法，推荐计算从0到100之间的素数。这个算法的好处是： - 只能穷举 - 容易检验结果是否正确 - 包含流控 3、为算法实现对应的 C、Lua、mpy和PikaScript版本 4、统计这些版本所用的周期数，并以C版本为基准来给性能打分： 假设C所用周期数为 A，PikaScript 所用的周期数为B，则性能评分为： （A/B * 100 %） 表示对应的脚本算法性能是C语言的百分比。 5、建议测试 -O0、-Oz、-Os和-Ofast 下的跑分（以GCC为蓝本） 6、将Lua、mpy和PikaScript的跑分、所需的资源等信息列成表格，供大家参考。

In the script console, I can't seem to be able to define a function that will be executed later due to a syntax error (?)

>>> def a():
...    print("A")
...    print("B")
... 
[error]: Syntax error.
>>>
>>> a()
>>> 

This code works in a Python shell as regular.

>>> def a():
...    print("A")
...    print("B")
...
>>> a()
A
B

>>> class MyClass(TinyObj):
...     __init__(self):
...         self.val = 123
... 
>>> x = MyClass()
>>> x.val
NameError: name 'x.val' is not defined
 -> REF x.val           (#1)

:(

>>> x.val = 456
>>> x.val
NameError: name 'x.val' is not defined
 -> REF x.val           (#1)

Seems classes can't support arbitrary attributes?

With my referenced project

>>> for i in range(0, 10):
... print(i)
[error] print: can not print val
   REF i                (#56)
 -> RUN print           (#63)

And while loops hang up completely

>>> i = 0
>>> i
0
>>> while i != 10:
... i +=1

<hangs>

The repo says

https://github.com/pikasTech/pikascript/blob/5d5d4974d56f1b6482d7d521d054768f8cd06279/bsp/stm32f103c8/Makefile#L61-L65

but the folder https://github.com/pikasTech/pikascript/tree/5d5d4974d56f1b6482d7d521d054768f8cd06279/bsp/stm32f103c8 doesn't have a Core/src folder, only Boot. How can this compile?

When I follow https://github.com/pikasTech/pikascript#6test-and-develop-core, I get all sorts of errors which I have to correct.

max@max-VirtualBox:~/pika/pikascript/port/linux$ sh make.sh # Compile the project.
api-make-linux.sh: 2: ./rust-msc-latest-linux: not found
api-make-win10.sh: 2: ./rust-msc-latest-win10.exe: Permission denied
make.sh: 2: cd: can't cd to build
make: *** No targets specified and no makefile found.  Stop.

And then

max@max-VirtualBox:~/pika/pikascript/port/linux$ cp ../../tools/pikaCompiler/rust-msc-latest-linux package/pikascript/

after that

max@max-VirtualBox:~/pika/pikascript/port/linux$ sh make.sh
analyzing file: main.py
analyzing file: PikaStdLib.py
analyzing file: PikaStdData.py
analyzing file: GTestTask.py
analyzing file: PikaStdTask.py
analyzing file: PikaStdData.py
analyzing file: PikaMath.py
analyzing file: PikaStdDevice.py
analyzing file: PikaDebug.py
analyzing file: PikaStdData.py
api-make-win10.sh: 2: ./rust-msc-latest-win10.exe: Permission denied
make.sh: 2: cd: can't cd to build
make: *** No targets specified and no makefile found.  Stop. 

But when I do

max@max-VirtualBox:~/pika/pikascript/port/linux$ cp ../../tools/pikaCompiler/rust-msc-latest-win10.exe package/pikascript/.
max@max-VirtualBox:~/pika/pikascript/port/linux$ chmod +x package/pikascript/rust-msc-latest-*
max@max-VirtualBox:~/pika/pikascript/port/linux$ sh make.sh
analyzing file: main.py
analyzing file: PikaStdLib.py
analyzing file: PikaStdData.py
analyzing file: GTestTask.py
analyzing file: PikaStdTask.py
analyzing file: PikaStdData.py
analyzing file: PikaMath.py
analyzing file: PikaStdDevice.py
analyzing file: PikaDebug.py
analyzing file: PikaStdData.py
api-make-win10.sh: 2: ./rust-msc-latest-win10.exe: Exec format error
make.sh: 2: cd: can't cd to build
make: *** No targets specified and no makefile found.  Stop.

Hello. I am running pikascript on the esp32C3, i am using LittleFS. when i run the python code with pikaVM_runSingleFile(), no Problem. When i run python code that import other python file, using pikaVM_runFile(), the code run ok, but seem like pikascript is compiling the code and saving in the filesystem in every boot, this is not so good for the flash memory. There are some way to solve this? i see in the docs, that we can use the py.o files or the pikaModules.py.a file, but i don't figure out how to use it.

Thanks in advance if you can point me in the right direction.

my code ...

#test.py
import app
import loop

print("test")

#loop.py
for i in range(1,10):
    print("Hola",i)

#app.py
print("Hola MassLink")
print(6+5)

//main.c
/*
 * SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: CC0-1.0
 */

#include <stdio.h>

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

#include "esp_log.h"
#include "esp_littlefs.h"
#include "dirent.h"

#include "driver/uart.h"

#include "pikaScript.h"
#include "PikaVM.h"



static const char *TAG = "MassLink";

FILE* __platform_fopen(const char* filename, const char* modes){
    return fopen(filename, modes);
}

int __platform_fclose(FILE* stream){
    return fclose(stream);
}

size_t __platform_fwrite(const void* ptr, size_t size, size_t n, FILE* stream){
    return fwrite(ptr, size, n, stream);
}

size_t __platform_fread(void* ptr, size_t size, size_t n, FILE* stream){
    return fread(ptr, size, n, stream);
}

char __platform_getchar()
{
    char data = 0xff;
    do
    {
        vTaskDelay(1);
        data = getchar();
    } while (data == 0xff);
    return data;
}

void app_main(void)
{
    ESP_LOGI(TAG, "Initializing LITTLEFS");

    esp_vfs_littlefs_conf_t conf = {
            .base_path = "/fs",
            .partition_label = "storage",
            .format_if_mount_failed = true,
            .dont_mount = false,
    };
    
    // Use settings defined above to initialize and mount LittleFS filesystem.
    // Note: esp_vfs_littlefs_register is an all-in-one convenience function.
    esp_err_t ret = esp_vfs_littlefs_register(&conf);

    if (ret != ESP_OK) {
        if (ret == ESP_FAIL) {
            ESP_LOGE(TAG, "Failed to mount or format filesystem");
        } else if (ret == ESP_ERR_NOT_FOUND) {
            ESP_LOGE(TAG, "Failed to find SPIFFS partition");
        } else {
            ESP_LOGE(TAG, "Failed to initialize SPIFFS (%s)", esp_err_to_name(ret));
        }
        return;
    }


    size_t total = 0, used = 0;
    ret = esp_littlefs_info(conf.partition_label, &total, &used);
    if (ret != ESP_OK)
    {
            ESP_LOGE(TAG, "Failed to get LittleFS partition information (%s)", esp_err_to_name(ret));
    }
    else
    {
            ESP_LOGI(TAG, "Partition size: total: %d, used: %d", total, used);
    }

#
    

    // Use POSIX and C standard library functions to work with files.
    
    
    
    PikaObj *pikaMain;
    pikaMain = newRootObj("pikaMain", New_PikaMain);
    
    pikaVM_runSingleFile(pikaMain, "loop.py");
    pikaVM_runSingleFile(pikaMain, "app.py");

    pikaVM_runFile(pikaMain, "test.py");

    
    // All done, unmount partition and disable LITTLEFS
    esp_vfs_littlefs_unregister(conf.partition_label);
    ESP_LOGI(TAG, "LITTLEFS unmounted");


    pikaScriptShell(pikaScriptInit());
}

// this is the output of the monitor

I (304) MassLink: Initializing LITTLEFS
I (321) MassLink: Partition size: total: 1048576, used: 20480
Hola 1
Hola 2
Hola 3
Hola 4
Hola 5
Hola 6
Hola 7
Hola 8
Hola 9
Hola MassLink
11
(pikascript) pika compiler:
  compiling test.py...
  compiling loop.py...
  compiling app.py...
  linking /fs/pikascript-api/pikaModules_cache.py.a...
  loading pikaModules_cache_py_a[]...
(pikascript) all succeed.

Hola MassLink
11
Hola 1
Hola 2
Hola 3
Hola 4
Hola 5
Hola 6
Hola 7
Hola 8
Hola 9
test
I (948) MassLink: LITTLEFS unmounted
======[pikascript packages installed]======
pikascript-core==v1.11.6 (2022/10/28 14:38:46)
ESP32==v0.1.0
PikaStdDevice==v1.11.0
PikaStdLib==v1.11.6
===========================================
hello PikaScript!
mem used max:
3.18 kB
>>> 

Thanks for your awesome pikascript. I am Testing with an esp32c3. pikascript is running... i have the pikascript shell, but i don't find how to turn on a GPIO pin. is this functionality already implemented? i am trying ... io1 = ESP32.GPIO() io1.setPin('5') here i have to put a string io1.setMode('out)

here trow an error [error] no match gpio port.

is GPIO implemented for ESP32? or do i have to implement the functionality?

Thanks Again. Great Project

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我使用的是合宇Air103的开发板，兼容W806工程。在测试UART功能时，发现若将GPS模块或者TTL连接至开发板的UART 1(PA_06和PA_07)后开发板复位后会出现CPU Exception 49错误无法启动，错误信息如上图，且板载的UART接口目前只有id为1可用，其他UART接口均无响应。程序如下图（同pika Document中2.2.6.2节UART Demo程序）