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Luke Wren 2021-02-11 18:14:22 +00:00 committed by graham sanderson
parent 24e036bde0
commit 6f7c539062
1 changed files with 1 additions and 2 deletions
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src/rp2_common/hardware_pio/include/hardware/pio.h
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@ -180,8 +180,7 @@ static inline void sm_config_set_sideset_pins(pio_sm_config *c, uint sideset_bas
*/ */
static inline void sm_config_set_sideset(pio_sm_config *c, uint bit_count, bool optional, bool pindirs) { static inline void sm_config_set_sideset(pio_sm_config *c, uint bit_count, bool optional, bool pindirs) {
assert(bit_count <= 5); assert(bit_count <= 5);
if (optional) assert(!optional || bit_count >= 1);
assert(bit_count >= 1);
c->pinctrl = (c->pinctrl & ~PIO_SM0_PINCTRL_SIDESET_COUNT_BITS) | c->pinctrl = (c->pinctrl & ~PIO_SM0_PINCTRL_SIDESET_COUNT_BITS) |
(bit_count << PIO_SM0_PINCTRL_SIDESET_COUNT_LSB); (bit_count << PIO_SM0_PINCTRL_SIDESET_COUNT_LSB);