1 files changed, 105 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/spresense/board_spresense.c b/tinyusb/hw/bsp/spresense/board_spresense.c
new file mode 100755
index 00000000..256bccd1
--- /dev/null
+++ b/tinyusb/hw/bsp/spresense/board_spresense.c
@@ -0,0 +1,105 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright 2019 Sony Semiconductor Solutions Corporation
+ *
+ * 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include <sys/boardctl.h>
+#include <nuttx/arch.h>
+#include <arch/board/board.h>
+#include <arch/chip/pin.h>
+
+#include "bsp/board.h"
+
+/*------------------------------------------------------------------*/
+/* MACRO TYPEDEF CONSTANT ENUM
+ *------------------------------------------------------------------*/
+#define LED_PIN         PIN_I2S1_BCK
+
+#define BUTTON_PIN      PIN_HIF_IRQ_OUT
+
+// Initialize on-board peripherals : led, button, uart and USB
+void board_init(void)
+{
+  boardctl(BOARDIOC_INIT, 0);
+
+  board_gpio_write(PIN_I2S1_BCK, -1);
+  board_gpio_config(PIN_I2S1_BCK, 0, false, true, PIN_FLOAT);
+
+  board_gpio_write(PIN_HIF_IRQ_OUT, -1);
+  board_gpio_config(PIN_HIF_IRQ_OUT, 0, true, true, PIN_FLOAT);
+};
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+// Turn LED on or off
+void board_led_write(bool state)
+{
+  board_gpio_write(LED_PIN, state);
+}
+
+// Get the current state of button
+// a '1' means active (pressed), a '0' means inactive.
+uint32_t board_button_read(void)
+{
+  if (board_gpio_read(BUTTON_PIN)) 
+  {
+    return 0;
+  }
+
+  return 1;
+}
+
+// Get characters from UART
+int board_uart_read(uint8_t *buf, int len)
+{
+  int r = read(0, buf, len);
+
+  return r;
+}
+
+// Send characters to UART
+int board_uart_write(void const *buf, int len)
+{
+  int r = write(1, buf, len);
+
+  return r;
+}
+
+// Get current milliseconds
+uint32_t board_millis(void)
+{
+  struct timespec tp;
+
+    /* Wait until RTC is available */
+    while (g_rtc_enabled == false);
+
+    if (clock_gettime(CLOCK_MONOTONIC, &tp)) 
+    {
+        return 0;
+    }
+
+    return (((uint64_t)tp.tv_sec) * 1000 + tp.tv_nsec / 1000000);
+}