fixed trouble with sybolic links

F0:F030,F042,F072/inc/F0

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-Fx

F1:F103/RGB_LED_Screen/proto.c

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-/home/eddy/Yandex.Disk/Projects/mytakepic/.hg/wcache/checklink-target

F1:F103/RGB_LED_Screen/proto.c

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+/*
+ * This file is part of the RGBLEDscreen project.
+ * Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "adcrandom.h"
+#include "balls.h"
+#include "fonts.h"
+#include "proto.h"
+#include "screen.h"
+#include "usb.h"
+
+extern uint8_t countms, rainbow, balls;
+extern uint32_t Tms;
+
+char *omit_spaces(const char *buf){
+    while(*buf){
+        if(*buf > ' ') break;
+        ++buf;
+    }
+    return (char*)buf;
+}
+
+// In case of overflow return `buf` and N==0xffffffff
+// read decimal number & return pointer to next non-number symbol
+static char *getdec(const char *buf, uint32_t *N){
+    char *start = (char*)buf;
+    uint32_t num = 0;
+    while(*buf){
+        char c = *buf;
+        if(c < '0' || c > '9'){
+            break;
+        }
+        if(num > 429496729 || (num == 429496729 && c > '5')){ // overflow
+            *N = 0xffffff;
+            return start;
+        }
+        num *= 10;
+        num += c - '0';
+        ++buf;
+    }
+    *N = num;
+    return (char*)buf;
+}
+// read hexadecimal number (without 0x prefix!)
+static char *gethex(const char *buf, uint32_t *N){
+    char *start = (char*)buf;
+    uint32_t num = 0;
+    while(*buf){
+        char c = *buf;
+        uint8_t M = 0;
+        if(c >= '0' && c <= '9'){
+            M = '0';
+        }else if(c >= 'A' && c <= 'F'){
+            M = 'A' - 10;
+        }else if(c >= 'a' && c <= 'f'){
+            M = 'a' - 10;
+        }
+        if(M){
+            if(num & 0xf0000000){ // overflow
+                *N = 0xffffff;
+                return start;
+            }
+            num <<= 4;
+            num += c - M;
+        }else{
+            break;
+        }
+        ++buf;
+    }
+    *N = num;
+    return (char*)buf;
+}
+// read octal number (without 0 prefix!)
+static char *getoct(const char *buf, uint32_t *N){
+    char *start = (char*)buf;
+    uint32_t num = 0;
+    while(*buf){
+        char c = *buf;
+        if(c < '0' || c > '7'){
+            break;
+        }
+        if(num & 0xe0000000){ // overflow
+            *N = 0xffffff;
+            return start;
+        }
+        num <<= 3;
+        num += c - '0';
+        ++buf;
+    }
+    *N = num;
+    return (char*)buf;
+}
+// read binary number (without b prefix!)
+static char *getbin(const char *buf, uint32_t *N){
+    char *start = (char*)buf;
+    uint32_t num = 0;
+    while(*buf){
+        char c = *buf;
+        if(c < '0' || c > '1'){
+            break;
+        }
+        if(num & 0x80000000){ // overflow
+            *N = 0xffffff;
+            return start;
+        }
+        num <<= 1;
+        if(c == '1') num |= 1;
+        ++buf;
+    }
+    *N = num;
+    return (char*)buf;
+}
+
+/**
+ * @brief getnum - read uint32_t from string (dec, hex or bin: 127, 0x7f, 0b1111111)
+ * @param buf - buffer with number and so on
+ * @param N   - the number read
+ * @return pointer to first non-number symbol in buf
+ *      (if it is == buf, there's no number or if *N==0xffffffff there was overflow)
+ */
+char *getnum(const char *txt, uint32_t *N){
+    char *nxt = NULL;
+    char *s = omit_spaces(txt);
+    if(*s == '0'){ // hex, oct or 0
+        if(s[1] == 'x' || s[1] == 'X'){ // hex
+            nxt = gethex(s+2, N);
+            if(nxt == s+2) nxt = (char*)txt;
+        }else if(s[1] > '0'-1 && s[1] < '8'){ // oct
+            nxt = getoct(s+1, N);
+            if(nxt == s+1) nxt = (char*)txt;
+        }else{ // 0
+            nxt = s+1;
+            *N = 0;
+        }
+    }else if(*s == 'b' || *s == 'B'){
+        nxt = getbin(s+1, N);
+        if(nxt == s+1) nxt = (char*)txt;
+    }else{
+        nxt = getdec(s, N);
+        if(nxt == s) nxt = (char*)txt;
+    }
+    return nxt;
+}
+
+const char* helpmsg =
+    "'0/1' - screen off/on\n"
+    "'2,3' - select font\n"
+    "'A' - get ADC values\n"
+    "'B' - start/stop rainBow\n"
+    "'b' - start/stop Balls\n"
+    "'C' - clear screen with given color\n"
+    "'F' - set foreground color\n"
+    "'G' - get 100 random numbers\n"
+    "'f' - get FPS\n"
+    "'R' - software reset\n"
+    "'W' - test watchdog\n"
+    "'Zz' -start/stop counting ms\n"
+    "Any text - put text @ screen\n"
+;
+
+const char *parse_cmd(const char *buf){
+    uint32_t N;
+    if(buf[1] == '\n'){ // one symbol commands
+        switch(*buf){
+            case '0':
+                ScreenOFF();
+                return "OFF\n";
+            break;
+            case '1':
+                ScreenON();
+                return "ON\n";
+            break;
+            case '2':
+                if(choose_font(FONT14)) return "Font14\n";
+                return "err\n";
+            break;
+            case '3':
+                if(choose_font(FONT16)) return "Font16\n";
+                return "err\n";
+            break;
+            case 'A':
+                USB_send("Tsens="); USB_send(u2str(getADCval(0)));
+                USB_send("\nVref="); USB_send(u2str(getADCval(1)));
+                USB_send("\nRand="); USB_send(u2str(getRand()));
+                USB_send("\n");
+                return NULL;
+            break;
+            case 'B':
+                if(rainbow){
+                    rainbow = 0;
+                    return "Stop rainbow\n";
+                }else{
+                    rainbow = 1;
+                    return "Start rainbow\n";
+                }
+            break;
+            case 'b':
+                if(balls){
+                    balls = 0;
+                    return "Stop balls\n";
+                }else{
+                    balls_init();
+                    balls = 1;
+                    return "Start balls\n";
+                }
+            case 'f':
+                if(SCREEN_RELAX == getScreenState()) return "Screen is inactive\n";
+                USB_send("FPS=");
+                USB_send(u2str(getFPS()));
+                USB_send("\n");
+                return NULL;
+            break;
+            case 'G':
+                /*USB_send(u2str(Tms)); USB_send("\n");
+                for(int i=0; i < 1000; ++i) getRand();
+                USB_send(u2str(Tms)); USB_send("\n");*/
+                for(int i = 0; i < 100; ++i){
+                    USB_send(u2str(getRand()));
+                    USB_send("\n");
+                }
+                return NULL;
+            break;
+            case 'R':
+                USB_send("Soft reset\n");
+                NVIC_SystemReset();
+            break;
+            case 'W':
+                USB_send("Wait for reboot\n");
+                while(1){nop();};
+            break;
+            case 'Z':
+                countms = 1;
+                return "Start\n";
+            break;
+            case 'z':
+                countms = 0;
+                return "Stop\n";
+            break;
+            default:
+                return helpmsg;
+        }
+        return NULL;
+    }else{
+        switch(*buf){
+            case 'C':
+                if(getnum(buf+1, &N)){
+                    ScreenOFF();
+                    setBGcolor(N);
+                    ClearScreen();
+                    ScreenON();
+                    return "Background color\n";
+                }
+                return "Wrong color\n";
+            break;
+            case 'F':
+                if(getnum(buf+1, &N)){
+                    setFGcolor(N);
+                    return "Foreground color\n";
+                }
+                return "Wrong color\n";
+            break;
+            default:
+                ScreenOFF();
+                ClearScreen();
+                PutStringAt(1, curfont->height + 3, buf);
+                ScreenON();
+        }
+        return buf;
+    }
+    return NULL;
+}
+
+// return string with number `val`
+char *u2str(uint32_t val){
+    static char strbuf[11];
+    char *bufptr = &strbuf[10];
+    *bufptr = 0;
+    if(!val){
+        *(--bufptr) = '0';
+    }else{
+        while(val){
+            *(--bufptr) = val % 10 + '0';
+            val /= 10;
+        }
+    }
+    return bufptr;
+}

F1:F103/Tetris/main.c

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-/home/eddy/Yandex.Disk/Projects/mytakepic/.hg/wcache/checklink-target

F1:F103/Tetris/main.c

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+/*
+ * This file is part of the TETRIS project.
+ * Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "adcrandom.h"
+#include "arkanoid.h"
+#include "balls.h"
+#include "buttons.h"
+#include "fonts.h"
+#include "hardware.h"
+#include "menu.h"
+#include "proto.h"
+#include "screen.h"
+#include "snake.h"
+#include "tetris.h"
+#include "usb.h"
+#include "usb_lib.h"
+
+// timeout for autosleep (30s)
+#define AUTOSLEEP_TMOUT     (30000)
+
+volatile uint32_t Tms = 0;
+uint8_t balls = 0;
+
+enum{
+    STATE_MENU,
+    STATE_SNAKE,
+    STATE_TETRIS,
+    STATE_ARKANOID,
+    STATE_SLEEP,
+    STATE_GAMEOVER
+} curstate = STATE_SLEEP;
+
+/* Called when systick fires */
+void sys_tick_handler(void){
+    ++Tms;
+}
+
+#define USBBUFSZ    (127)
+// usb getline
+static char *get_USB(){
+    static char tmpbuf[USBBUFSZ+1], *curptr = tmpbuf;
+    static int rest = USBBUFSZ;
+    int x = USB_receive(curptr);
+    curptr[x] = 0;
+    if(!x) return NULL;
+    if(curptr[x-1] == '\n'){
+        curptr = tmpbuf;
+        rest = USBBUFSZ;
+        return tmpbuf;
+    }
+    curptr += x; rest -= x;
+    if(rest <= 0){ // buffer overflow
+        curptr = tmpbuf;
+        rest = USBBUFSZ;
+        USB_send("USB buffer overflow\n");
+    }
+    return NULL;
+}
+
+static void process_menu(){
+    switch(menu_activated()){
+        case MENU_SLEEP:
+            USB_send("Select 'Sleep'\n");
+            ScreenOFF();
+            curstate = STATE_SLEEP;
+        break;
+        case MENU_BALLS:
+            USB_send("Select 'Balls'\n");
+            if(balls){
+                balls = 0;
+            }else{
+                curstate = STATE_SLEEP;
+                balls_init();
+                balls = 1;
+            }
+        break;
+        case MENU_SNAKE:
+            USB_send("Select 'Snake'\n");
+            snake_init();
+            curstate = STATE_SNAKE;
+        break;
+        case MENU_TETRIS:
+            USB_send("Select 'Tetris'\n");
+            tetris_init();
+            curstate = STATE_TETRIS;
+        break;
+        case MENU_ARKANOID:
+            USB_send("Select 'Arkanoid'\n");
+            arkanoid_init();
+            curstate = STATE_ARKANOID;
+        default:
+        break;
+    }
+}
+
+static void gotomenu(){
+    curstate = STATE_MENU;
+    clear_events();
+    show_menu();
+}
+
+int main(void){
+    uint32_t lastT = 0;
+    sysreset();
+    StartHSE();
+    SysTick_Config(72000);
+    RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
+
+    hw_setup();
+    USBPU_OFF();
+    adc_setup();
+    USB_setup();
+    //iwdg_setup();
+    USBPU_ON();
+
+    keyevent evt;
+    while(1){
+        if(Tms - lastT > 499){
+            LED_blink(LED0);
+            lastT = Tms;
+        }
+        IWDG->KR = IWDG_REFRESH;
+        if(balls) process_balls();
+        process_keys();
+        switch(curstate){
+            case STATE_SLEEP:
+                if(keystate(KEY_M, &evt) && evt == EVT_RELEASE){
+                    USB_send("Activate menu\n");
+                    gotomenu();
+                }
+            break;
+            case STATE_MENU:
+                process_menu();
+                if(Tms - lastUnsleep > AUTOSLEEP_TMOUT){
+                    USB_send("Autosleep\n");
+                    ScreenOFF();
+                    curstate = STATE_SLEEP;
+                }
+            break;
+            case STATE_SNAKE:
+                if(!snake_proces()){
+                    show_gameover();
+                    curstate = STATE_GAMEOVER;
+                }
+            break;
+            case STATE_TETRIS:
+                if(!tetris_process()){
+                    show_gameover();
+                    curstate = STATE_GAMEOVER;
+                }
+            break;
+            case STATE_ARKANOID:
+                if(!arkanoid_process()){
+                    show_gameover();
+                    curstate = STATE_GAMEOVER;
+                }
+            break;
+            case STATE_GAMEOVER: // show gameover screen
+                if(keystate(KEY_M, &evt) && evt == EVT_RELEASE){
+                    gotomenu();
+                }else if(Tms - lastUnsleep > AUTOSLEEP_TMOUT){
+                    USB_send("Autosleep\n");
+                    ScreenOFF();
+                    curstate = STATE_SLEEP;
+                }
+            break;
+        }
+
+        usb_proc();
+        char *txt; const char *ans;
+        if((txt = get_USB())){
+            ans = parse_cmd(txt);
+            if(ans) USB_send(ans);
+        }
+    }
+    return 0;
+}
+