wip

4 files changed, 169 insertions, 0 deletions

diff --git a/shared-module/usb_cdc/Serial.c b/shared-module/usb_cdc/Serial.c
new file mode 100644
index 000000000..663b23c25
--- /dev/null
+++ b/shared-module/usb_cdc/Serial.c
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Dan Halbert 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 "shared-module/usb_cdc/Serial.h"
+#include "tusb.h"
+
+size_t common_hal_usb_cdc_serial_read(usb_cdc_serial_obj_t *self, uint8_t *data, size_t len, int *errcode) {
+    return tud_cdc_n_read(self->idx, data, len);
+}
+
+uint32_t common_hal_usb_cdc_serial_bytes_available(usb_cdc_serial_obj_t *self) {
+    return tud_cdc_n_available(self->idx);
+}
+
+size_t common_hal_usb_cdc_serial_write(usb_cdc_serial_obj_t *self, const uint8_t *data, size_t len, int *errcode) {
+    return tud_cdc_n_write(self->idx, data, len);
+}
+
+bool common_hal_usb_cdc_serial_ready_to_tx(usb_cdc_serial_obj_t *self) {
+    return tud_cdc_n_connected(self->idx);
+}
diff --git a/shared-module/usb_cdc/Serial.h b/shared-module/usb_cdc/Serial.h
new file mode 100644
index 000000000..7e3c53e8a
--- /dev/null
+++ b/shared-module/usb_cdc/Serial.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Dan Halbert 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 SHARED_MODULE_USB_CDC_SERIAL_H
+#define SHARED_MODULE_USB_CDC_SERIAL_H
+
+#include "py/obj.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    // Which CDC device?
+    uint8_t idx;
+} usb_cdc_serial_obj_t;
+
+#endif // SHARED_MODULE_USB_CDC_SERIAL_H
diff --git a/shared-module/usb_cdc/__init__.c b/shared-module/usb_cdc/__init__.c
new file mode 100644
index 000000000..ae2412cdd
--- /dev/null
+++ b/shared-module/usb_cdc/__init__.c
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 hathach 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 "shared-bindings/usb_cdc/__init__.h"
+
+#include "genhdr/autogen_usb_descriptor.h"
+#include "py/obj.h"
+#include "py/mphal.h"
+#include "py/runtime.h"
+#include "py/objtuple.h"
+#include "shared-bindings/usb_cdc/Serial.h"
+#include "tusb.h"
+
+supervisor_allocation* usb_cdc_allocation;
+
+static usb_cdc_serial_obj_t serial_objs[CFG_TUD_CDC];
+
+void usb_cdc_init(void) {
+
+    serial_obj_ptrs *usb_cdc_serial_obj_t[CFG_TUD_CDC];
+
+    for (size_t i = 0; i < CFG_TUD_CDC; i++) {
+        serial_objs[i].base.type = &usb_cdc_serial_type;
+        serial_objs[i].idx = i;
+        serial_obj_ptrs[i] = &serial_objs[i];
+    }
+
+    serials_tuple->base.type = mp_obj_new_tuple(CFG_TUD_CDC, serials);
+
+    repl->base.type =
+    repl->idx = 0;    mp_map_lookup(&usb_cdc_module_globals.map, MP_ROM_QSTR(MP_QSTR_serial), MP_MAP_LOOKUP)->value = MP_OBJ_FROM_PTR(serials_tuple);
+}
diff --git a/shared-module/usb_cdc/__init__.h b/shared-module/usb_cdc/__init__.h
new file mode 100644
index 000000000..02b48e116
--- /dev/null
+++ b/shared-module/usb_cdc/__init__.h
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Dan Halbert 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 SHARED_MODULE_USB_CDC___INIT___H
+#define SHARED_MODULE_USB_CDC___INIT___H
+
+void usb_cdc_init(void);
+
+#endif /* SHARED_MODULE_USB_CDC___INIT___H */