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USB @F042 receive/send in IRQ, circular buffers

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This commit is contained in:
Edward Emelianov
2022-10-27 11:58:56 +03:00
parent c0fd4fb10a
commit 1dc60d18b5
4 changed files with 25 additions and 11 deletions
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7
F0:F030,F042,F072/PL2303_ringbuffer/proto.c
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@@ -23,6 +23,7 @@
extern uint32_t Tms;
// 250 symbols == 1000 bit
const char *test = "123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T123456789U123456789V123456789W123456789X123456789Y";
char *omit_spaces(const char *buf){
@@ -198,7 +199,11 @@ const char *parse_cmd(const char *buf){
u3 = Tms;
for(int i = 0; i < 1000; ++i) USB_sendstr(test);
add2buf("\n\nspd=");
add2buf(u2str(2000000000/(Tms - u3))); add2buf("\n"); // strlen == 2Mbit, speed in bits per second
// strlen == 2Mbit, speed in bits per second
add2buf(u2str(2000000000/(Tms - u3)));
add2buf("\ntransfer time is ");
add2buf(u2str(Tms - u3));
add2buf("\n");
break;
case 'U':
add2buf("USB status: ");