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shirriff/PRU code

Last active January 8, 2018 21:33
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Fragment of PRU code to output Manchester-encoded data.
Raw
PRU code
for (bit_count = 0; bit_count < 8; bit_count++) {
if (byte & 0x80) {
wait_for_pwm_timer();
__R30 = HIGH << WRITE_PIN;
wait_for_pwm_timer();
__R30 = LOW << WRITE_PIN;
} else {
wait_for_pwm_timer();
__R30 = LOW << WRITE_PIN;
wait_for_pwm_timer();
__R30 = HIGH << WRITE_PIN;
}
byte <<= 1;
}
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