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arduino-pico
Unverified Commit bd8eb9bc authored by Earle F. Philhower, III's avatar Earle F. Philhower, III Committed by GitHub
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Shift I2S input data by 1 bit (#2121) 

Fixes #2037
parent d53d0033
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libraries/I2S/src/pio_i2s.pio
View file @ bd8eb9bc
...@@ -294,6 +294,9 @@ static inline void pio_i2s_in_program_init(PIO pio, uint sm, uint offset, uint d ...@@ -294,6 +294,9 @@ static inline void pio_i2s_in_program_init(PIO pio, uint sm, uint offset, uint d
pio_sm_set_pins(pio, sm, 0); // clear pins pio_sm_set_pins(pio, sm, 0); // clear pins
pio_sm_exec(pio, sm, pio_encode_set(pio_y, bits - 2)); pio_sm_exec(pio, sm, pio_encode_set(pio_y, bits - 2));
// Offset the data by 1 bit
pio_sm_exec(pio, sm, pio_encode_in(pio_pins, bits - 1));
} }
%} %}
libraries/I2S/src/pio_i2s.pio.h
View file @ bd8eb9bc
...@@ -378,6 +378,8 @@ static inline void pio_i2s_in_program_init(PIO pio, uint sm, uint offset, uint d ...@@ -378,6 +378,8 @@ static inline void pio_i2s_in_program_init(PIO pio, uint sm, uint offset, uint d
pio_sm_set_pindirs_with_mask(pio, sm, pin_mask, pin_mask); pio_sm_set_pindirs_with_mask(pio, sm, pin_mask, pin_mask);
pio_sm_set_pins(pio, sm, 0); // clear pins pio_sm_set_pins(pio, sm, 0); // clear pins
pio_sm_exec(pio, sm, pio_encode_set(pio_y, bits - 2)); pio_sm_exec(pio, sm, pio_encode_set(pio_y, bits - 2));
// Offset the data by 1 bit
pio_sm_exec(pio, sm, pio_encode_in(pio_pins, bits - 1));
} }
#endif #endif
......
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