what is ring buffer?

hi, can anyone please tell me about ring buffer implementation?
what is ring buffer?

hi, can anyone please tell me about ring buffer implementation?
Using a ring buffer to transmit

Using a LPC2400/LPC17xx family of microcontrollers, if I use a TX ring buffer, I think there is a risk of the THRE interrupt to come so quickly that the hardware TX buffer is emptied before any task...
Ring buffered, interrupt driven, UART driver

To follow up on the thread a few weeks ago about polled vs. interrupt UART operation I've written one up this week and have posted it at: http://www.embeddedfw.com Yes it's my site but you get...
Using a ring buffer to transmit

Using a LPC2400/LPC17xx family of microcontrollers, if I use a TX ring buffer, I think there is a risk of the THRE interrupt to come so quickly that the hardware TX buffer is emptied before any task...