Add a _pew module

ports/atmel-samd/supervisor/port.c

@@ -71,6 +71,9 @@
 #ifdef CIRCUITPY_GAMEPAD_TICKS
 #include "shared-module/gamepad/__init__.h"
 #endif
+#ifdef CIRCUITPY_PEWPEW_TICKS
+#include "shared-module/_pew/__init__.h"
+#endif
 
 extern volatile bool mp_msc_enabled;
 
@@ -225,6 +228,9 @@ void reset_port(void) {
 #ifdef CIRCUITPY_GAMEPAD_TICKS
     gamepad_reset();
 #endif
+#ifdef CIRCUITPY_PEWPEW_TICKS
+    pew_reset();
+#endif
 
     reset_event_system();
 

ports/atmel-samd/tick.c

@@ -30,6 +30,7 @@
 
 #include "supervisor/shared/autoreload.h"
 #include "shared-module/gamepad/__init__.h"
+#include "shared-module/_pew/__init__.h"
 #include "shared-bindings/microcontroller/__init__.h"
 #include "shared-bindings/microcontroller/Processor.h"
 
@@ -54,6 +55,11 @@ void SysTick_Handler(void) {
         gamepad_tick();
     }
     #endif
+    #ifdef CIRCUITPY_PEWPEW_TICKS
+    if (!(ticks_ms & CIRCUITPY_PEWPEW_TICKS)) {
+        pew_tick();
+    }
+    #endif
 }
 
 void tick_init() {

py/circuitpy_defns.mk

@@ -198,6 +198,9 @@ endif
 ifeq ($(CIRCUITPY_USTACK),1)
 SRC_PATTERNS += ustack/%
 endif
+ifeq ($(CIRCUITPY_PEW),1)
+SRC_PATTERNS += _pew/%
+endif
 
 # All possible sources are listed here, and are filtered by SRC_PATTERNS.
 SRC_COMMON_HAL = \

py/circuitpy_mpconfig.h

@@ -463,6 +463,13 @@ extern const struct _mp_obj_module_t ustack_module;
 #define USTACK_MODULE
 #endif
 
+#if CIRCUITPY_PEW
+extern const struct _mp_obj_module_t pew_module;
+#define PEW_MODULE          { MP_OBJ_NEW_QSTR(MP_QSTR__pew),(mp_obj_t)&pew_module },
+#else
+#define PEW_MODULE
+#endif
+
 // These modules are not yet in shared-bindings, but we prefer the non-uxxx names.
 #if MICROPY_PY_UERRNO
 #define ERRNO_MODULE           { MP_ROM_QSTR(MP_QSTR_errno), MP_ROM_PTR(&mp_module_uerrno) },

shared-bindings/_pew/PewPew.c

@@ -0,0 +1,130 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Radomir Dopieralski 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.
+ */
+#include "py/obj.h"
+#include "py/runtime.h"
+#include "py/mphal.h"
+#include "py/gc.h"
+#include "py/mpstate.h"
+#include "shared-bindings/digitalio/DigitalInOut.h"
+#include "shared-bindings/util.h"
+#include "PewPew.h"
+#include "shared-module/_pew/PewPew.h"
+
+
+//| .. currentmodule:: _pew
+//|
+//| :class:`PewPew` -- LED Matrix driver
+//| ====================================
+//|
+//| Usage::
+//|
+//|
+
+//| .. class:: PewPew(buffer, rows, cols)
+//|
+//|     Initializes matrix scanning routines.
+//|
+//|
+STATIC mp_obj_t pewpew_make_new(const mp_obj_type_t *type, size_t n_args,
+        size_t n_kw, const mp_obj_t *pos_args) {
+    mp_arg_check_num(n_args, n_kw, 3, 3, true);
+    mp_map_t kw_args;
+    mp_map_init_fixed_table(&kw_args, n_kw, pos_args + n_args);
+    enum { ARG_buffer, ARG_rows, ARG_cols };
+    static const mp_arg_t allowed_args[] = {
+        { MP_QSTR_buffer, MP_ARG_OBJ | MP_ARG_REQUIRED },
+        { MP_QSTR_rows, MP_ARG_OBJ | MP_ARG_REQUIRED },
+        { MP_QSTR_cols, MP_ARG_OBJ | MP_ARG_REQUIRED },
+    };
+    mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+    mp_arg_parse_all(n_args, pos_args, &kw_args, MP_ARRAY_SIZE(allowed_args),
+                     allowed_args, args);
+
+    mp_buffer_info_t bufinfo;
+    mp_get_buffer_raise(args[ARG_buffer].u_obj, &bufinfo, MP_BUFFER_READ);
+
+    size_t rows_size = 0;
+    mp_obj_t *rows;
+    mp_obj_get_array(args[ARG_rows].u_obj, &rows_size, &rows);
+
+    size_t cols_size = 0;
+    mp_obj_t *cols;
+    mp_obj_get_array(args[ARG_cols].u_obj, &cols_size, &cols);
+
+    if (bufinfo.len != rows_size * cols_size) {
+        mp_raise_TypeError("wrong buffer size");
+    }
+
+    for (size_t i = 0; i < rows_size; ++i) {
+        if (!MP_OBJ_IS_TYPE(rows[i], &digitalio_digitalinout_type)) {
+            mp_raise_TypeError("expected a DigitalInOut");
+        }
+        digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(rows[i]);
+        raise_error_if_deinited(
+            common_hal_digitalio_digitalinout_deinited(pin));
+    }
+
+    for (size_t i = 0; i < cols_size; ++i) {
+        if (!MP_OBJ_IS_TYPE(cols[i], &digitalio_digitalinout_type)) {
+            mp_raise_TypeError("expected a DigitalInOut");
+        }
+        digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(cols[i]);
+        raise_error_if_deinited(
+            common_hal_digitalio_digitalinout_deinited(pin));
+    }
+
+
+    pew_obj_t *pew = MP_STATE_VM(pew_singleton);
+    if (!pew) {
+        pew = m_new_obj(pew_obj_t);
+        pew->base.type = &pewpew_type;
+        pew = gc_make_long_lived(pew);
+        MP_STATE_VM(pew_singleton) = pew;
+    }
+
+    pew->buffer = bufinfo.buf;
+    pew->rows = rows;
+    pew->rows_size = rows_size;
+    pew->cols = cols;
+    pew->cols_size = cols_size;
+    pew->col = 0;
+    pew->turn = 0;
+    pew_init();
+
+    return MP_OBJ_FROM_PTR(pew);
+}
+
+
+STATIC const mp_rom_map_elem_t pewpew_locals_dict_table[] = {
+};
+STATIC MP_DEFINE_CONST_DICT(pewpew_locals_dict, pewpew_locals_dict_table);
+const mp_obj_type_t pewpew_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_PewPew,
+    .make_new = pewpew_make_new,
+    .locals_dict = (mp_obj_dict_t*)&pewpew_locals_dict,
+};
+

shared-bindings/_pew/PewPew.h

@@ -0,0 +1,33 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Radomir Dopieralski 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_SHARED_BINDINGS_PEW_PEWPEW_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_PEW_PEWPEW_H
+
+extern const mp_obj_type_t pewpew_type;
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_PEW_PEWPEW_H

shared-bindings/_pew/__init__.c

@@ -0,0 +1,54 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Radomir Dopieralski 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.
+ */
+#include "py/obj.h"
+#include "py/runtime.h"
+#include "py/mphal.h"
+#include "PewPew.h"
+
+
+//| :mod:`_pew` --- LED matrix driver
+//| ==================================
+//|
+//| .. module:: _pew
+//|   :synopsis: LED matrix driver
+//|   :platform: SAMD21
+//|
+//| .. toctree::
+//|     :maxdepth: 3
+//|
+//|     PewPew
+//|
+STATIC const mp_rom_map_elem_t pew_module_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR__pew) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_PewPew),  MP_ROM_PTR(&pewpew_type)},
+};
+STATIC MP_DEFINE_CONST_DICT(pew_module_globals,
+        pew_module_globals_table);
+
+const mp_obj_module_t pew_module = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t*)&pew_module_globals,
+};

shared-module/_pew/PewPew.c

@@ -0,0 +1,52 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Radomir Dopieralski 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.
+ */
+
+#include <stdbool.h>
+
+#include "py/mpstate.h"
+#include "__init__.h"
+#include "PewPew.h"
+
+#include "shared-bindings/digitalio/Pull.h"
+#include "shared-bindings/digitalio/DigitalInOut.h"
+#include "shared-bindings/util.h"
+
+
+void pew_init() {
+    pew_obj_t* pew_singleton = MP_STATE_VM(pew_singleton);
+    for (size_t i = 0; i < pew_singleton->rows_size; ++i) {
+        digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(
+            pew_singleton->rows[i]);
+        common_hal_digitalio_digitalinout_switch_to_output(pin, false,
+            DRIVE_MODE_PUSH_PULL);
+    }
+    for (size_t i = 0; i < pew_singleton->cols_size; ++i) {
+        digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(
+            pew_singleton->cols[i]);
+        common_hal_digitalio_digitalinout_switch_to_output(pin, true,
+            DRIVE_MODE_OPEN_DRAIN);
+    }
+}

shared-module/_pew/PewPew.h

@@ -0,0 +1,47 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Radomir Dopieralski 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_PEW_PEWPEW_H
+#define MICROPY_INCLUDED_PEW_PEWPEW_H
+
+#include <stdint.h>
+
+#include "shared-bindings/digitalio/DigitalInOut.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    uint8_t* buffer;
+    mp_obj_t* rows;
+    mp_obj_t* cols;
+    size_t rows_size;
+    size_t cols_size;
+    volatile uint8_t col;
+    volatile uint8_t turn;
+} pew_obj_t;
+
+void pew_init(void);
+
+#endif  // MICROPY_INCLUDED_PEW_PEWPEW_H

shared-module/_pew/__init__.c

@@ -0,0 +1,72 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Radomir Dopieralski 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.
+ */
+
+#include <stdbool.h>
+
+#include "py/mpstate.h"
+#include "__init__.h"
+#include "PewPew.h"
+
+#include "shared-bindings/digitalio/DigitalInOut.h"
+
+
+void pew_tick(void) {
+    digitalio_digitalinout_obj_t *pin;
+    pew_obj_t* pew = MP_STATE_VM(pew_singleton);
+    if (!pew) { return; }
+
+    pin = MP_OBJ_TO_PTR(pew->cols[pew->col]);
+    common_hal_digitalio_digitalinout_set_value(pin, true);
+    pew->col += 1;
+    if (pew->col >= pew->cols_size) {
+        pew->col = 0;
+        pew->turn += 1;
+        if (pew->turn >= 4) {
+            pew->turn = 0;
+        }
+    }
+    for (size_t x = 0; x < pew->rows_size; ++x) {
+        pin = MP_OBJ_TO_PTR(pew->rows[x]);
+        uint8_t color = pew->buffer[(pew->col) * (pew->rows_size) + x];
+        bool value = true;
+        switch (pew->turn) {
+            case 0:
+                if (color & 0x03) { value = true; }
+                break;
+            case 1:
+            case 2:
+                if (color & 0x02) { value = true; }
+                break;
+        }
+        common_hal_digitalio_digitalinout_set_value(pin, value);
+    }
+    pin = MP_OBJ_TO_PTR(pew->cols[pew->col]);
+    common_hal_digitalio_digitalinout_set_value(pin, false);
+}
+
+void pew_reset(void) {
+    MP_STATE_VM(pew_singleton) = NULL;
+}

shared-module/_pew/__init__.h

@@ -0,0 +1,33 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 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_PEW_H
+#define MICROPY_INCLUDED_PEW_H
+
+void pew_tick(void);
+void pew_reset(void);
+
+#endif  // MICROPY_INCLUDED_PEW_H