45 lines
862 B
Plaintext
45 lines
862 B
Plaintext
.program datastream
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public start:
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PULL block
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MOV X, OSR
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.wrap_target
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PULL noblock
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OUT NULL, 16
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SET Y,6
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loop:
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OUT PINS,1 [4]
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SET PINS,0 [4]
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OUT PINS,1 [4]
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SET PINS,0 [3]
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JMP Y-- loop
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OUT PINS,1 [4]
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SET PINS,0 [4]
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OUT PINS,1 [4]
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SET PINS,0 [1]
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.wrap
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% c-sdk {
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static inline void datastream_program_init(PIO pio, uint sm, uint offset) {
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pio_set_gpio_base(pio, 0);
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pio_gpio_init(pio, 12);
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pio_sm_set_consecutive_pindirs(pio, sm, 12, 1, true);
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pio_sm_config c = datastream_program_get_default_config(offset);
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sm_config_set_out_shift(&c, false, false, 0);
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sm_config_set_fifo_join(&c, PIO_FIFO_JOIN_TX);
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sm_config_set_clkdiv(&c, 3.0);
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sm_config_set_out_pin_base(&c, 12);
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sm_config_set_out_pin_count(&c, 1);
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sm_config_set_set_pin_base(&c, 12);
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sm_config_set_set_pin_count(&c, 1);
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pio_sm_init(pio, sm, offset, &c);
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}
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%}
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