<https://lh3.googleusercontent.com/-KotplR_TUFc/Wd0pm78kPoI/AAAAAAAAAPM/spNSY4D1F7gbm20OndGBS7IoK0IeNi-nwCLcBGAs/s1600/BBB_UART_62500baud.png>
Hi folks,
Finally, I succeeded in resolving this problem:
struct termios2 settings;
m_fdSerial = open(m_pDevice.c_str(), O_RDWR | O_NOCTTY);
if(m_fdSerial < 0)
{
// TODO Daemon has no terminals, use syslog
perror("open");
}
int r = ioctl(m_fdSerial, TCGETS2, &settings);
if(r)
{
perror("ioctl");
}
settings.c_ispeed = settings.c_ospeed = 62500;
settings.c_cflag &= ~CBAUD;
settings.c_cflag |= BOTHER;
r = ioctl(m_fdSerial, TCSETS2, &settings);
if(r)
{
perror("ioctl");
}
while(1)
{
write(m_fdSerial, "U", 1);
}
Running this code an the BBB (after enabling the uart1 overlay) gives this
output:
This is exactly what was needed. ;)
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