Merge pull request #1607 from pewpew-game/pewpew10.x-4.x

Add support for PewPew 10.x boards

4 files changed, 290 insertions, 0 deletions

diff --git a/shared-module/_pew/PewPew.c b/shared-module/_pew/PewPew.c
new file mode 100644
index 000000000..c1d6aa5c3
--- /dev/null
+++ b/shared-module/_pew/PewPew.c
@@ -0,0 +1,125 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Radomir Dopieralski
+ *
+ * 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 "py/runtime.h"
+#include "__init__.h"
+#include "PewPew.h"
+
+#include "shared-bindings/digitalio/Pull.h"
+#include "shared-bindings/digitalio/DigitalInOut.h"
+#include "shared-bindings/util.h"
+#include "samd/timers.h"
+#include "supervisor/shared/translate.h"
+#include "timer_handler.h"
+
+
+static uint8_t pewpew_tc_index = 0xff;
+
+
+void pewpew_interrupt_handler(uint8_t index) {
+    if (index != pewpew_tc_index) {
+        return;
+    }
+    Tc* tc = tc_insts[index];
+    if (!tc->COUNT16.INTFLAG.bit.MC0) {
+        return;
+    }
+
+    pew_tick();
+
+    // Clear the interrupt bit.
+    tc->COUNT16.INTFLAG.reg = TC_INTFLAG_MC0;
+}
+
+void pew_init() {
+    pew_obj_t* pew = MP_STATE_VM(pew_singleton);
+
+    common_hal_digitalio_digitalinout_switch_to_input(pew->buttons, PULL_UP);
+
+    for (size_t i = 0; i < pew->rows_size; ++i) {
+        digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(pew->rows[i]);
+        common_hal_digitalio_digitalinout_switch_to_output(pin, false,
+            DRIVE_MODE_PUSH_PULL);
+    }
+    for (size_t i = 0; i < pew->cols_size; ++i) {
+        digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(pew->cols[i]);
+        common_hal_digitalio_digitalinout_switch_to_output(pin, true,
+            DRIVE_MODE_OPEN_DRAIN);
+    }
+    if (pewpew_tc_index == 0xff) {
+        // Find a spare timer.
+        uint8_t index = find_free_timer();
+        if (index == 0xff) {
+            mp_raise_RuntimeError(translate(""));
+        }
+        Tc *tc = tc_insts[index];
+
+        pewpew_tc_index = index;
+        set_timer_handler(true, index, TC_HANDLER_PEW);
+
+        // We use GCLK0 for SAMD21 and GCLK1 for SAMD51 because they both run
+        // at 48mhz making our math the same across the boards.
+        #ifdef SAMD21
+        turn_on_clocks(true, index, 0);
+        #endif
+        #ifdef SAMD51
+        turn_on_clocks(true, index, 1);
+        #endif
+
+
+        #ifdef SAMD21
+        tc->COUNT16.CTRLA.reg = TC_CTRLA_MODE_COUNT16 |
+                                TC_CTRLA_PRESCALER_DIV64 |
+                                TC_CTRLA_WAVEGEN_MFRQ;
+        #endif
+        #ifdef SAMD51
+        tc_reset(tc);
+        tc_set_enable(tc, false);
+        tc->COUNT16.CTRLA.reg = TC_CTRLA_MODE_COUNT16
+            | TC_CTRLA_PRESCALER_DIV64;
+        tc->COUNT16.WAVE.reg = TC_WAVE_WAVEGEN_MFRQ;
+        #endif
+
+        tc_set_enable(tc, true);
+        tc->COUNT16.CC[0].reg = 160;
+
+        // Clear our interrupt in case it was set earlier
+        tc->COUNT16.INTFLAG.reg = TC_INTFLAG_MC0;
+        tc->COUNT16.INTENSET.reg = TC_INTENSET_MC0;
+        tc_enable_interrupts(pewpew_tc_index);
+    }
+}
+
+void pew_reset(void) {
+    if (pewpew_tc_index != 0xff) {
+        tc_reset(tc_insts[pewpew_tc_index]);
+        pewpew_tc_index = 0xff;
+    }
+    MP_STATE_VM(pew_singleton) = NULL;
+}
diff --git a/shared-module/_pew/PewPew.h b/shared-module/_pew/PewPew.h
new file mode 100644
index 000000000..da1cae0a2
--- /dev/null
+++ b/shared-module/_pew/PewPew.h
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Radomir Dopieralski
+ *
+ * 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;
+    digitalio_digitalinout_obj_t *buttons;
+    uint8_t rows_size;
+    uint8_t cols_size;
+    uint8_t pressed;
+} pew_obj_t;
+
+void pew_init(void);
+void pewpew_interrupt_handler(uint8_t index);
+void pew_reset(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..90fba3990
--- /dev/null
+++ b/shared-module/_pew/__init__.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Radomir Dopieralski
+ *
+ * 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) {
+    static uint8_t col = 0;
+    static uint8_t turn = 0;
+    static uint8_t pressed = 0;
+    static uint8_t last_pressed = 0;
+    digitalio_digitalinout_obj_t *pin;
+
+    pew_obj_t* pew = MP_STATE_VM(pew_singleton);
+    if (!pew) { return; }
+
+    pin = MP_OBJ_TO_PTR(pew->cols[col]);
+    ++col;
+    if (col >= pew->cols_size) {
+        pew->pressed |= last_pressed & pressed;
+        last_pressed = pressed;
+        pressed = 0;
+        col = 0;
+        ++turn;
+        if (turn >= 8) {
+            turn = 0;
+        }
+    }
+    if (!common_hal_digitalio_digitalinout_get_value(pew->buttons)) {
+        pressed |= 1 << col;
+    }
+    common_hal_digitalio_digitalinout_set_value(pin, true);
+    for (size_t x = 0; x < pew->rows_size; ++x) {
+        pin = MP_OBJ_TO_PTR(pew->rows[x]);
+        uint8_t color = pew->buffer[col * (pew->rows_size) + x];
+        bool value = false;
+        switch (color & 0x03) {
+            case 3:
+                value = true;
+                break;
+            case 2:
+                if (turn == 2 || turn == 4 || turn == 6) {
+                    value = true;
+                }
+            case 1:
+                if (turn == 0) {
+                    value = true;
+                }
+            case 0:
+                break;
+        }
+        common_hal_digitalio_digitalinout_set_value(pin, value);
+    }
+    pin = MP_OBJ_TO_PTR(pew->cols[col]);
+    common_hal_digitalio_digitalinout_set_value(pin, false);
+}
diff --git a/shared-module/_pew/__init__.h b/shared-module/_pew/__init__.h
new file mode 100644
index 000000000..4f953c610
--- /dev/null
+++ b/shared-module/_pew/__init__.h
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Radomir Dopieralski
+ *
+ * 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);
+
+#endif  // MICROPY_INCLUDED_PEW_H