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Allow pio_encode_sideset_opt(0, value) (#2485)

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Markus Gyger 2025-07-14 23:42:03 +07:00 • committed by GitHub
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src/rp2_common/hardware_pio/include/hardware/pio_instructions.h
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@ -148,7 +148,7 @@ static inline uint pio_encode_sideset(uint sideset_bit_count, uint value) {
* \return the side set bits to be ORed with an instruction encoding
*/
static inline uint pio_encode_sideset_opt(uint sideset_bit_count, uint value) {
valid_params_if(PIO_INSTRUCTIONS, sideset_bit_count >= 1 && sideset_bit_count <= 4);
valid_params_if(PIO_INSTRUCTIONS, sideset_bit_count >= 0 && sideset_bit_count <= 4);
valid_params_if(PIO_INSTRUCTIONS, value <= ((1u << sideset_bit_count) - 1));
return 0x1000u | value << (12u - sideset_bit_count);
}