mirror of
https://github.com/eddyem/stm32samples.git
synced 2026-01-31 20:35:06 +03:00
119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
#include <stm32f3.h>
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#include <string.h>
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#include "flash.h"
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#include "strfunc.h"
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#include "usb_dev.h"
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#include "version.inc"
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static const char *const sOKn = "OK\n", *const sERRn = "ERR\n";
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//#define LOCBUFFSZ (32)
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// local buffer for I2C data to send
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//static uint8_t locBuffer[LOCBUFFSZ];
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extern volatile uint32_t Tms;
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const char *helpstring =
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"https://github.com/eddyem/stm32samples/tree/master/F3:F303/InterfaceBoard build#" BUILD_NUMBER " @ " BUILD_DATE "\n"
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"d - dump flash\n"
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"ix - rename interface number x (0..6)\n"
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"Ex - erase full storage (witout x) or only page x\n"
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"F - reinit configurations from flash\n"
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"R - soft reset\n"
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"S - store new parameters into flash\n"
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"T - print current Tms\n"
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;
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static void dumpflash(){
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USB_sendstr("userconf_sz="); USB_sendstr(u2str(the_conf.userconf_sz));
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USB_sendstr("\ncurrentconfidx="); USB_sendstr(i2str(currentconfidx));
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USB_putbyte('\n');
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for(int i = 0; i < InterfacesAmount; ++i){
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USB_sendstr("interface"); USB_putbyte('0' + i);
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USB_putbyte('=');
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int l = the_conf.iIlengths[i] / 2;
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char *ptr = (char*) the_conf.iInterface[i];
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for(int j = 0; j < l; ++j){
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USB_putbyte(*ptr);
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ptr += 2;
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}
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USB_putbyte('\n');
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}
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}
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static void setiface(const char *str){
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if(!str || !*str) goto err;
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uint32_t N;
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const char *nxt = getnum(str, &N);
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if(!nxt || nxt == str || N >= InterfacesAmount) goto err;
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nxt = strchr(nxt, '=');
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if(!nxt || !*(++nxt)) goto err;
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nxt = omit_spaces(nxt);
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if(!nxt || !*nxt) goto err;
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int l = strlen(nxt);
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if(l > MAX_IINTERFACE_SZ) goto err;
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the_conf.iIlengths[N] = (uint8_t) l * 2;
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char *ptr = (char*)the_conf.iInterface[N];
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for(int i = 0; i < l; ++i){
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*ptr++ = *nxt++;
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*ptr++ = 0;
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}
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USB_sendstr(sOKn);
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return;
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err:
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USB_sendstr(sERRn);
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}
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static const char* erpg(const char *str){
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uint32_t N;
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if(str == getnum(str, &N)) return sERRn;
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if(erase_storage(N)) return sERRn;
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return sOKn;
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}
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const char *parse_cmd(const char *buf){
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if(!buf || !*buf) return NULL;
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if(strlen(buf) > 1){
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// "long" commands
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char c = *buf++;
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switch(c){
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case 'E':
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return erpg(buf);
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case 'i':
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setiface(buf);
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return NULL;
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break;
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default:
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return buf-1; // echo wrong data
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}
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}
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// "short" commands
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switch(*buf){
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case 'd':
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dumpflash();
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break;
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case 'E':
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if(erase_storage(-1)) return sERRn;
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return sOKn;
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break;
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case 'F':
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flashstorage_init();
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return sOKn;
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case 'R':
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NVIC_SystemReset();
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return NULL;
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case 'S':
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if(store_userconf()) return sERRn;
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return sOKn;
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case 'T':
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USB_sendstr("T=");
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USB_sendstr(u2str(Tms));
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newline();
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break;
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default: // help
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USB_sendstr(helpstring);
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break;
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}
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return NULL;
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}
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