wave3Untranspose_4()

void fl::wave3Untranspose_4	(	const u8(&)	transposed[4 *sizeof(Wave3Byte)],
		u8(&)	output[4 *sizeof(Wave3Byte)] )

Definition at line 197 of file wave3.cpp.hpp.

                                                                                            {
    Wave3Byte lane_waves[4];
 
    for (int symbol_idx = 0; symbol_idx < 3; symbol_idx++) {
        u8 lane_bytes[4] = {0, 0, 0, 0};
 
        for (int byte_idx = 0; byte_idx < 4; byte_idx++) {
            u8 input_byte = transposed[symbol_idx * 4 + byte_idx];
 
            int pulse_bit_hi = 7 - (byte_idx * 2);
            int pulse_bit_lo = pulse_bit_hi - 1;
 
            for (int lane = 0; lane < 4; lane++) {
                u8 pulse_hi = (input_byte >> (4 + lane)) & 1;
                u8 pulse_lo = (input_byte >> lane) & 1;
                lane_bytes[lane] |= (pulse_hi << pulse_bit_hi);
                lane_bytes[lane] |= (pulse_lo << pulse_bit_lo);
            }
        }
 
        for (int lane = 0; lane < 4; lane++) {
            lane_waves[lane].data[symbol_idx] = lane_bytes[lane];
        }
    }
 
    for (int lane = 0; lane < 4; lane++) {
        fl::isr::memcopy(output + lane * sizeof(Wave3Byte), &lane_waves[lane], sizeof(Wave3Byte));
    }
}

References fl::Wave3Byte::data, FL_NO_EXCEPT, FL_RESTRICT_PARAM, and fl::isr::memcopy().

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