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Comment typo (#2293)

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Andrew Scheller 2025-02-18 15:50:44 +00:00 • committed by GitHub
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src/rp2_common/hardware_pio/pio.c
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@ -164,7 +164,7 @@ static int add_program_at_offset(PIO pio, const pio_program_t *program, uint off
uint16_t instr = program->instructions[i];
#if PICO_PIO_USE_GPIO_BASE
if (pio_instr_bits_wait == _pio_major_instr_bits(instr) && !((_pio_arg1(instr) & 3u))) {
// wait GIO will include only the 5 lower bits of the GPIO number, so if the GPIO
// wait GPIO will include only the 5 lower bits of the GPIO number, so if the GPIO
// base is 16 we need to flip bit 4 (which is equivalent to subtracting 16 from
// the original number 16-47 stored as 16-31 and 0-15)
static_assert(PIO_GPIOBASE_BITS == 16, ""); // only works for gpio base being 0 or 16