1 files changed, 71 insertions, 0 deletions
diff --git a/ports/raspberrypi/bindings/rp2pio/StateMachine.h b/ports/raspberrypi/bindings/rp2pio/StateMachine.h
new file mode 100644
index 000000000..5ff20a75b
--- /dev/null
+++ b/ports/raspberrypi/bindings/rp2pio/StateMachine.h
@@ -0,0 +1,71 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H
+#define MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H
+
+#include "py/obj.h"
+
+#include "common-hal/microcontroller/Pin.h"
+#include "common-hal/rp2pio/StateMachine.h"
+
+// Type object used in Python. Should be shared between ports.
+extern const mp_obj_type_t rp2pio_statemachine_type;
+
+// Construct an underlying SPI object.
+extern void common_hal_rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self,
+    const uint16_t* program, size_t program_len,
+    size_t frequency,
+    const uint16_t* init, size_t init_len,
+    const mcu_pin_obj_t * first_out_pin, uint8_t out_pin_count,
+    const mcu_pin_obj_t * first_in_pin, uint8_t in_pin_count,
+    const mcu_pin_obj_t * first_set_pin, uint8_t set_pin_count,
+    const mcu_pin_obj_t * first_sideset_pin, uint8_t sideset_pin_count,
+    bool exclusive_pin_use,
+    bool auto_pull, uint8_t pull_threshold, bool out_shift_right,
+    bool auto_push, uint8_t push_threshold, bool in_shift_right);
+
+extern void common_hal_rp2pio_statemachine_deinit(rp2pio_statemachine_obj_t *self);
+extern bool common_hal_rp2pio_statemachine_deinited(rp2pio_statemachine_obj_t *self);
+
+// Writes out the given data.
+extern bool common_hal_rp2pio_statemachine_write(rp2pio_statemachine_obj_t *self, const uint8_t *data, size_t len);
+
+// // Reads in len bytes while outputting zeroes.
+// extern bool common_hal_rp2pio_statemachine_read(rp2pio_statemachine_obj_t *self, uint8_t *data, size_t len, uint8_t write_value);
+
+// // Reads and write len bytes simultaneously.
+// extern bool common_hal_rp2pio_statemachine_transfer(rp2pio_statemachine_obj_t *self,
+//                                           const uint8_t *data_out, size_t out_len,
+//                                           uint8_t *data_in, size_t in_len);
+
+// Return actual SPI bus frequency.
+uint32_t common_hal_rp2pio_statemachine_get_frequency(rp2pio_statemachine_obj_t* self);
+
+// This is used by the supervisor to claim SPI devices indefinitely.
+// extern void common_hal_rp2pio_statemachine_never_reset(rp2pio_statemachine_obj_t *self);
+
+#endif // MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H