Inherit from Serial and use software buffers for TX and RX. This allows the UART peripherals to operate in a IRQ driven mode. Overrides most (but not all) stdio functions as Serial did
Dependents: buffered_serial_test BLE_Police_HRM evena_BLE_Police_HRM df-2014-workshop-rfid-case-generator-k64f ... more
Example
#include "mbed.h"
#include "BufferedSerial.h"
BufferedSerial pc(USBTX, USBRX);
int main()
{
pc.baud(115200);
while(1)
{
Timer s;
s.start();
pc.printf("Hello World - buff\n");
int buffered_time = s.read_us();
wait(0.1f); // give time for the buffer to empty
s.reset();
printf("Hello World - poll\n");
int polled_time = s.read_us();
s.stop();
wait(0.1f); // give time for the buffer to empty
pc.printf("printf buffered took %d us\n", buffered_time);
pc.printf("printf polled took %d us\n", polled_time);
wait(0.5f);
}
}
Diff: Buffer.lib
- Revision:
- 10:9ee15ae3d1a3
- Parent:
- 4:2ba4d2e1f05d
- Child:
- 12:a0d37088b405
diff -r 2cb30392ade6 -r 9ee15ae3d1a3 Buffer.lib --- a/Buffer.lib Sun Jan 04 23:27:53 2015 +0000 +++ b/Buffer.lib Wed Jan 07 18:37:11 2015 +0000 @@ -1,1 +1,1 @@ -https://mbed.org/users/sam_grove/code/Buffer/#cd0a1f4c623f +https://mbed.org/users/sam_grove/code/Buffer/#7b754354b99c
Sam Grove

