use seperate interrupt_char.c for nrf

move usb descriptors into usb.c

Author: hathach

ports/nrf/Makefile

@@ -102,6 +102,7 @@ SRC_C += \
 	tick.c \
 	background.c \
 	internal_flash.c \
+	interrupt_char.c \
 	drivers/bluetooth/ble_drv.c \
 	drivers/bluetooth/ble_uart.c \
 	boards/$(BOARD)/board.c \
@@ -113,7 +114,6 @@ SRC_C += \
 	lib/timeutils/timeutils.c \
 	lib/utils/buffer_helper.c \
 	lib/utils/context_manager_helpers.c \
-	lib/utils/interrupt_char.c \
 	lib/utils/pyexec.c \
 	lib/utils/stdout_helpers.c \
 	lib/libc/string0.c \
@@ -123,7 +123,6 @@ ifeq ($(MCU_SUB_VARIANT),nrf52840)
 
 SRC_C += \
 	usb/usb.c \
-	usb/tusb_descriptors.c \
 	usb/usb_msc_flash.c \
 	lib/tinyusb/src/portable/nordic/nrf5x/dcd_nrf5x.c \
 	lib/tinyusb/src/portable/nordic/nrf5x/hal_nrf5x.c \

ports/nrf/interrupt_char.c

@@ -0,0 +1,55 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013-2016 Damien P. George
+ *
+ * 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/mpstate.h"
+#include "usb.h"
+
+#if MICROPY_KBD_EXCEPTION
+
+int mp_interrupt_char;
+
+void mp_hal_set_interrupt_char(int c) {
+    if (c != -1) {
+        mp_obj_exception_clear_traceback(MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)));
+    }
+    mp_interrupt_char = c;
+
+#ifdef NRF52840_XXAA
+    tud_cdc_set_wanted_char(c);
+#endif
+}
+
+void mp_keyboard_interrupt(void) {
+    MP_STATE_VM(mp_pending_exception) = MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception));
+    #if MICROPY_ENABLE_SCHEDULER
+    if (MP_STATE_VM(sched_state) == MP_SCHED_IDLE) {
+        MP_STATE_VM(sched_state) = MP_SCHED_PENDING;
+    }
+    #endif
+}
+
+#endif

ports/nrf/usb/tusb_descriptors.c

@@ -28,12 +28,49 @@
 #include "nrfx_power.h"
 #include "tick.h"
 #include "usb.h"
-
-#include "lib/mp-readline/readline.h"
 #include "lib/utils/interrupt_char.h"
 
 #ifdef NRF52840_XXAA
 
+//--------------------------------------------------------------------+
+// STRING DESCRIPTORS
+//--------------------------------------------------------------------+
+
+// array of pointer to string descriptors
+uint16_t const * const string_desc_arr [] =
+{
+    // 0 index is supported language = English
+    TUD_DESC_STRCONV(0x0409),
+
+    // Manufacturer
+    TUD_DESC_STRCONV('A','d','a','f','r','u','i','t',' ','I','n','d','u','s','t','r','i','e','s'),
+
+    // Product
+    TUD_DESC_STRCONV('C','i','r','c','u','i','t','P','Y',' ','n','R','F','5','2'),
+
+    // Serials TODO use chip ID
+    TUD_DESC_STRCONV('1', '2', '3', '4', '5'),
+
+    // CDC Interface
+    TUD_DESC_STRCONV('B','l','u','e','f','r','u','i','t',' ','S','e','r','i','a','l'),
+
+    // MSC Interface
+    TUD_DESC_STRCONV('B','l','u','e','f','r','u','i','t',' ','S','t','o','r','a','g','e'),
+
+    // Custom Interface
+    TUD_DESC_STRCONV('B','l','u','e','f','r','u','i','t',' ','C','u','s','t','o','m')
+};
+
+// tud_desc_set is required by tinyusb stack
+// since CFG_TUD_DESC_AUTO is enabled, we only need to set string_arr
+tud_desc_set_t tud_desc_set =
+{
+    .device     = NULL,
+    .config     = NULL,
+    .string_arr = (uint8_t const **) string_desc_arr,
+    .hid_report = NULL
+};
+
 void usb_init(void) {
 
 #ifdef SOFTDEVICE_PRESENT
@@ -55,12 +92,6 @@ void usb_init(void) {
 #endif
 
     tusb_init();
-
-#if MICROPY_KBD_EXCEPTION
-    // set Ctrl+C as wanted char, tud_cdc_rx_wanted_cb() fired when Ctrl+C is received
-    // TODO should be called in mp_hal_set_interrupt_char()
-    tud_cdc_set_wanted_char(CHAR_CTRL_C);
-#endif
 }
 
 //--------------------------------------------------------------------+
@@ -91,12 +122,12 @@ void tud_cdc_rx_wanted_cb(uint8_t itf, char wanted_char)
     (void) itf; // not used
 
     if (mp_interrupt_char == wanted_char) {
-        tud_cdc_read_flush(); // flush read fifo
+        tud_cdc_read_flush();    // flush read fifo
         mp_keyboard_interrupt();
     }
 }
 
 #endif
 
-#endif
+#endif // NRF52840_XXAA
 

ports/nrf/usb/usb.c

@@ -27,10 +27,10 @@
 #ifndef MICROPY_INCLUDED_NRF_USB_H
 #define MICROPY_INCLUDED_NRF_USB_H
 
-#include "tusb.h"
-
 #ifdef NRF52840_XXAA
 
+#include "tusb.h"
+
 void usb_init(void);
 
 #else