diff options
Diffstat (limited to 'src/ws2812.pio.h')
| -rw-r--r-- | src/ws2812.pio.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/ws2812.pio.h b/src/ws2812.pio.h deleted file mode 100644 index e95f7ea..0000000 --- a/src/ws2812.pio.h +++ /dev/null @@ -1,58 +0,0 @@ -// -------------------------------------------------- // -// This file is autogenerated by pioasm; do not edit! // -// -------------------------------------------------- // - -#if !PICO_NO_HARDWARE -#include "hardware/pio.h" -#endif - -// ------ // -// ws2812 // -// ------ // - -#define ws2812_wrap_target 0 -#define ws2812_wrap 3 - -#define ws2812_T1 2 -#define ws2812_T2 5 -#define ws2812_T3 3 - -static const uint16_t ws2812_program_instructions[] = { - // .wrap_target - 0x6221, // 0: out x, 1 side 0 [2] - 0x1123, // 1: jmp !x, 3 side 1 [1] - 0x1400, // 2: jmp 0 side 1 [4] - 0xa442, // 3: nop side 0 [4] - // .wrap -}; - -#if !PICO_NO_HARDWARE -static const struct pio_program ws2812_program = { - .instructions = ws2812_program_instructions, - .length = 4, - .origin = -1, -}; - -static inline pio_sm_config ws2812_program_get_default_config(uint offset) { - pio_sm_config c = pio_get_default_sm_config(); - sm_config_set_wrap(&c, offset + ws2812_wrap_target, offset + ws2812_wrap); - sm_config_set_sideset(&c, 1, false, false); - return c; -} - -#include "hardware/clocks.h" -static inline void ws2812_program_init(PIO pio, uint sm, uint offset, uint pin, float freq, bool rgbw) { - pio_gpio_init(pio, pin); - pio_sm_set_consecutive_pindirs(pio, sm, pin, 1, true); - pio_sm_config c = ws2812_program_get_default_config(offset); - sm_config_set_sideset_pins(&c, pin); - sm_config_set_out_shift(&c, false, true, rgbw ? 32 : 24); - sm_config_set_fifo_join(&c, PIO_FIFO_JOIN_TX); - int cycles_per_bit = ws2812_T1 + ws2812_T2 + ws2812_T3; - float div = ((float) clock_get_hz(clk_sys)) / (freq * (float) cycles_per_bit); - sm_config_set_clkdiv(&c, div); - pio_sm_init(pio, sm, offset, &c); - pio_sm_set_enabled(pio, sm, true); -} - -#endif |
