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This C program broadcasts FM radio on Raspberry Pi 2, and it can receive pipe data besides wav files.

C 100.00%

pi2fm's Introduction

README:

Page numbers in comments refer to http://www.raspberrypi.org/wp-content/uploads/2012/02/BCM2835-ARM-Peripherals.pdf

Build Command: $ gcc -lm -std=c99 -g pi2fm.c -o pi2fm

Usage: pi@raspberrypi $ sudo ./pi2fm sound.wav 77.7

pi@raspberrypi $ avconv -i sound.mp3 -f s16le -ar 22.05k -ac 1 - | sudo ./pi2fm -

pi@raspberrypi $ arecord -l **** List of CAPTURE Hardware Devices **** card 1: Device [USB PnP Sound Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0

pi@raspberrypi $ arecord -D plughw:1,0 -f S16_LE -r 22050 | sudo ./pi2fm -

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