Add a _pew module

4 files changed, 204 insertions, 0 deletions

diff --git a/shared-module/_pew/PewPew.c b/shared-module/_pew/PewPew.c
new file mode 100644
index 000000000..ede8ed9bb
--- /dev/null
+++ b/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);
+    }
+}
diff --git a/shared-module/_pew/PewPew.h b/shared-module/_pew/PewPew.h
new file mode 100644
index 000000000..b21ff0137
--- /dev/null
+++ b/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
diff --git a/shared-module/_pew/__init__.c b/shared-module/_pew/__init__.c
new file mode 100644
index 000000000..92637a04d
--- /dev/null
+++ b/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;
+}
diff --git a/shared-module/_pew/__init__.h b/shared-module/_pew/__init__.h
new file mode 100644
index 000000000..30c9c8c93
--- /dev/null
+++ b/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