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Luke Wren 2021-02-11 16:56:53 +00:00 committed by Graham Sanderson
parent 5441888fa1
commit b9b5b4f121
1 changed files with 1 additions and 1 deletions
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pio/logic_analyser/logic_analyser.c
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@ -66,7 +66,7 @@ void logic_analyser_arm(PIO pio, uint sm, uint dma_chan, uint32_t *capture_buf,
uint trigger_pin, bool trigger_level) { uint trigger_pin, bool trigger_level) {
pio_sm_set_enabled(pio, sm, false); pio_sm_set_enabled(pio, sm, false);
// Need to clear _input shift counter_, as well as FIFO, because there may be // Need to clear _input shift counter_, as well as FIFO, because there may be
// partial ISR contents left over from a prevoius run. sm_restart does this. // partial ISR contents left over from a previous run. sm_restart does this.
pio_sm_clear_fifos(pio, sm); pio_sm_clear_fifos(pio, sm);
pio_sm_restart(pio, sm); pio_sm_restart(pio, sm);