restructuring

2026-02-28 11:54:30 +03:00 · 2022-03-10 11:04:14 +03:00
parent 29560b7c0c
commit 733dbd75d2
1758 changed files with 14 additions and 26855 deletions
--- a/F3:F303/PL2303/main.c
+++ b/F3:F303/PL2303/main.c
@@ -0,0 +1,104 @@
+/*
+ * This file is part of the pl2303 project.
+ * Copyright 2022 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 "hardware.h"
+#include "proto.h"
+#include "usart.h"
+#include "usb.h"
+
+#define USBBUFSZ    127
+
+const char *test = "123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T123456789U123456789V123456789W123456789X123456789Y\n"
+        "123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T123456789U123456789V123456789W123456789X123456789Y\n";
+
+volatile uint32_t Tms = 0;
+
+void sys_tick_handler(void){
+    ++Tms;
+}
+
+// usb getline
+char *get_USB(){
+    static char tmpbuf[USBBUFSZ+1], *curptr = tmpbuf;
+    static int rest = USBBUFSZ;
+    uint8_t x = USB_receive(curptr);
+    if(!x) return NULL;
+    curptr[x] = 0;
+    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;
+}
+
+int main(void){
+    int hse = 0;
+    if(StartHSE()){
+        hse = 1;
+        SysTick_Config((uint32_t)72000); // 1ms
+    }else{
+        StartHSI();
+        SysTick_Config((uint32_t)48000); // 1ms
+    }
+    hw_setup();
+    usart_setup();
+    USB_setup();
+    if(hse) usart_send("Ready @ HSE");
+    else usart_send("Ready @ HSI");
+    usart_send(", CFGR="); usart_send(u2hexstr(RCC->CFGR));
+    usart_send(", CR="); usart_send(u2hexstr(RCC->CR));
+    usart_send(", SysFreq="); usart_send(u2str(SysFreq)); usart_putchar('\n');
+    uint32_t ctr = Tms;
+    while(1){
+        if(Tms - ctr > 499){
+            ctr = Tms;
+            pin_toggle(GPIOB, 1 << 1 | 1 << 0); // toggle LED @ PB0
+        }
+        if(bufovr){
+            bufovr = 0;
+            usart_send("bufovr\n");
+        }
+        char *txt = NULL;
+        if(usart_getline(&txt)){
+            const char *ans = parse_cmd(txt);
+            if(ans) usart_send(ans);
+        }
+        usb_proc();
+        if((txt = get_USB())){
+            usart_send("Get by USB: ");
+            usart_send(txt); usart_putchar('\n');
+            const char *ans = parse_cmd(txt);
+            if(ans) USB_send(ans);
+        }
+        if(Tlast){
+            usart_send("Tlast="); usart_send(u2str(Tlast)); usart_putchar('\n');
+            Tlast = 0;
+        }
+        if(starttest){
+            --starttest;
+            USB_send(test);
+        }
+    }
+}