add tinyusb

1 files changed, 147 insertions, 0 deletions

diff --git a/tinyusb/hw/bsp/board.c b/tinyusb/hw/bsp/board.c
new file mode 100755
index 00000000..6a26f55b
--- /dev/null
+++ b/tinyusb/hw/bsp/board.c
@@ -0,0 +1,147 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (tinyusb.org)
+ *
+ * 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 "board.h"
+
+#if 0
+#define LED_PHASE_MAX   8
+
+static struct
+{
+  uint32_t phase[LED_PHASE_MAX];
+  uint8_t phase_count;
+
+  bool led_state;
+  uint8_t current_phase;
+  uint32_t current_ms;
+}led_pattern;
+
+void board_led_pattern(uint32_t const phase_ms[], uint8_t count)
+{
+  memcpy(led_pattern.phase, phase_ms, 4*count);
+  led_pattern.phase_count = count;
+
+  // reset with 1st phase is on
+  led_pattern.current_ms = board_millis();
+  led_pattern.current_phase = 0;
+  led_pattern.led_state = true;
+  board_led_on();
+}
+
+void board_led_task(void)
+{
+  if ( led_pattern.phase_count == 0 ) return;
+
+  uint32_t const duration = led_pattern.phase[led_pattern.current_phase];
+
+  // return if not enough time
+  if (board_millis() - led_pattern.current_ms < duration) return;
+
+  led_pattern.led_state = !led_pattern.led_state;
+  board_led_write(led_pattern.led_state);
+
+  led_pattern.current_ms += duration;
+  led_pattern.current_phase++;
+
+  if (led_pattern.current_phase == led_pattern.phase_count)
+  {
+    led_pattern.current_phase = 0;
+    led_pattern.led_state = true;
+    board_led_on();
+  }
+}
+#endif
+
+//--------------------------------------------------------------------+
+// newlib read()/write() retarget
+//--------------------------------------------------------------------+
+
+#if defined(__MSP430__) || defined(__RX__)
+  #define sys_write   write
+  #define sys_read    read
+#else
+  #define sys_write   _write
+  #define sys_read    _read
+#endif
+
+#if defined(LOGGER_RTT)
+// Logging with RTT
+
+// If using SES IDE, use the Syscalls/SEGGER_RTT_Syscalls_SES.c instead
+#if !(defined __SES_ARM) && !(defined __SES_RISCV) && !(defined __CROSSWORKS_ARM)
+#include "SEGGER_RTT.h"
+
+TU_ATTR_USED int sys_write (int fhdl, const void *buf, size_t count)
+{
+  (void) fhdl;
+  SEGGER_RTT_Write(0, (char*) buf, (int) count);
+  return count;
+}
+
+TU_ATTR_USED int sys_read (int fhdl, char *buf, size_t count)
+{
+  (void) fhdl;
+  return SEGGER_RTT_Read(0, buf, count);
+}
+#endif
+
+#elif defined(LOGGER_SWO)
+// Logging with SWO for ARM Cortex
+
+#include "board_mcu.h"
+
+TU_ATTR_USED int sys_write (int fhdl, const void *buf, size_t count)
+{
+  (void) fhdl;
+  uint8_t const* buf8 = (uint8_t const*) buf;
+  for(size_t i=0; i<count; i++)
+  {
+    ITM_SendChar(buf8[i]);
+  }
+  return count;
+}
+
+TU_ATTR_USED int sys_read (int fhdl, char *buf, size_t count)
+{
+  (void) fhdl;
+  return 0;
+}
+
+#else
+
+// Default logging with on-board UART
+TU_ATTR_USED int sys_write (int fhdl, const void *buf, size_t count)
+{
+  (void) fhdl;
+  return board_uart_write(buf, count);
+}
+
+TU_ATTR_USED int sys_read (int fhdl, char *buf, size_t count)
+{
+  (void) fhdl;
+  return board_uart_read((uint8_t*) buf, count);
+}
+
+#endif