RISC-V/V203/usb/usart/test/main.cpp
2024-10-16 15:46:34 +02:00

45 lines
1.1 KiB
C++

#include "usart.h"
#include <cstdio>
#include <cstring>
#include <signal.h>
class Top : public BaseLayer {
static constexpr int max = 1024;
volatile unsigned index;
int passcnt;
char buffer [max];
public:
explicit Top () : BaseLayer(), index(0u), passcnt(0) {}
void puts (const char * str) {
const unsigned l = strlen(str);
Down(str, l);
}
uint32_t Up(const char * data, const uint32_t len) override {
for (unsigned n=0; n<len; n++) {
const char c = data [n];
buffer [index++] = c;
if (c == '\n') {
buffer [index - 2] = '\0';
printf("Rx (%d) %s\n", passcnt++, buffer);
index = 0u;
}
}
return len;
}
};
static const char * TestString = "THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG'S BACK 1234567890\r\n";
static volatile bool loop = false;
static void Handler (int) {
loop = false;
}
int main (void) {
loop = true;
signal (SIGINT, Handler);
UsartClass usart ("/dev/serial/by-id/usb-Kizarm_Labs._USB__=__USART_0002-if00", 1'000'000);
Top top;
top += usart;
while (loop) {
top.puts(TestString);
}
return 0;
}