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This commit is contained in:
Luo Yufei
2026-03-28 05:03:21 +08:00
parent 99226caf2f
commit 96aaeb0460
1 changed files with 18 additions and 23 deletions
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37
others/src/serial.cpp
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@@ -177,6 +177,8 @@ bool Serial::ReadData(unsigned char *buffer, unsigned int length) {
#elif defined(Linux) || defined(Darwin)
#include <string.h>
#include <thread>
#include <chrono>
using namespace std;
@@ -189,17 +191,10 @@ string get_uart_dev_name() {
Serial::Serial(int nSpeed, char nEvent, int nBits, int nStop) :
nSpeed(nSpeed), nEvent(nEvent), nBits(nBits), nStop(nStop) {
if (wait_uart) {
LOGM("Wait for serial be ready!");
while (!InitPort(nSpeed, nEvent, nBits, nStop));
LOGM("Waiting for serial port...");
while (!InitPort(nSpeed, nEvent, nBits, nStop))
std::this_thread::sleep_for(std::chrono::milliseconds(500));
LOGM("Port set successfully!");
} else {
if (InitPort(nSpeed, nEvent, nBits, nStop)) {
LOGM("Port set successfully!");
} else {
LOGE("Port set fail!");
}
}
}
Serial::~Serial() {
@@ -228,18 +223,18 @@ bool Serial::InitPort(int nSpeed, char nEvent, int nBits, int nStop) {
bool Serial::WriteData(const unsigned char *pData, unsigned int length) {
int cnt = 0, curr = 0;
if (fd <= 0) {
if(wait_uart){
InitPort(nSpeed, nEvent, nBits, nStop);
}
LOGE("Serial offline! Reconnecting...");
while (!InitPort(nSpeed, nEvent, nBits, nStop))
std::this_thread::sleep_for(std::chrono::milliseconds(500));
return false;
}
while ((curr = write(fd, pData + cnt, length - cnt)) > 0 && (cnt += curr) < length);
if (curr < 0) {
LOGE("Serial offline!");
LOGE("Serial write error! Reconnecting...");
close(fd);
if (wait_uart) {
InitPort(nSpeed, nEvent, nBits, nStop);
}
fd = -1;
while (!InitPort(nSpeed, nEvent, nBits, nStop))
std::this_thread::sleep_for(std::chrono::milliseconds(500));
return false;
}
return true;
@@ -249,11 +244,11 @@ bool Serial::ReadData(unsigned char *buffer, unsigned int length) {
int cnt = 0, curr = 0;
while ((curr = read(fd, buffer + cnt, length - cnt)) > 0 && (cnt += curr) < length);
if (curr < 0) {
LOGE("Serial offline!");
LOGE("Serial read error! Reconnecting...");
close(fd);
if (wait_uart) {
InitPort(nSpeed, nEvent, nBits, nStop);
}
fd = -1;
while (!InitPort(nSpeed, nEvent, nBits, nStop))
std::this_thread::sleep_for(std::chrono::milliseconds(500));
return false;
}
return true;