Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h
new file mode 100644
index 0000000..fbc7162
--- /dev/null
+++ b/src/class/cdc/cdc_device.h
@@ -0,0 +1,260 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef _TUSB_CDC_DEVICE_H_
+#define _TUSB_CDC_DEVICE_H_
+
+#include "common/tusb_common.h"
+#include "cdc.h"
+
+//--------------------------------------------------------------------+
+// Class Driver Configuration
+//--------------------------------------------------------------------+
+#if !defined(CFG_TUD_CDC_EP_BUFSIZE) && defined(CFG_TUD_CDC_EPSIZE)
+ #warning CFG_TUD_CDC_EPSIZE is renamed to CFG_TUD_CDC_EP_BUFSIZE, please update to use the new name
+ #define CFG_TUD_CDC_EP_BUFSIZE CFG_TUD_CDC_EPSIZE
+#endif
+
+#ifndef CFG_TUD_CDC_EP_BUFSIZE
+ #define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
+#endif
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/** \addtogroup CDC_Serial Serial
+ * @{
+ * \defgroup CDC_Serial_Device Device
+ * @{ */
+
+//--------------------------------------------------------------------+
+// Application API (Multiple Ports)
+// CFG_TUD_CDC > 1
+//--------------------------------------------------------------------+
+
+// Check if terminal is connected to this port
+bool tud_cdc_n_connected (uint8_t itf);
+
+// Get current line state. Bit 0: DTR (Data Terminal Ready), Bit 1: RTS (Request to Send)
+uint8_t tud_cdc_n_get_line_state (uint8_t itf);
+
+// Get current line encoding: bit rate, stop bits parity etc ..
+void tud_cdc_n_get_line_coding (uint8_t itf, cdc_line_coding_t* coding);
+
+// Set special character that will trigger tud_cdc_rx_wanted_cb() callback on receiving
+void tud_cdc_n_set_wanted_char (uint8_t itf, char wanted);
+
+// Get the number of bytes available for reading
+uint32_t tud_cdc_n_available (uint8_t itf);
+
+// Read received bytes
+uint32_t tud_cdc_n_read (uint8_t itf, void* buffer, uint32_t bufsize);
+
+// Read a byte, return -1 if there is none
+static inline
+int32_t tud_cdc_n_read_char (uint8_t itf);
+
+// Clear the received FIFO
+void tud_cdc_n_read_flush (uint8_t itf);
+
+// Get a byte from FIFO at the specified position without removing it
+bool tud_cdc_n_peek (uint8_t itf, uint8_t* ui8);
+
+// Write bytes to TX FIFO, data may remain in the FIFO for a while
+uint32_t tud_cdc_n_write (uint8_t itf, void const* buffer, uint32_t bufsize);
+
+// Write a byte
+static inline
+uint32_t tud_cdc_n_write_char (uint8_t itf, char ch);
+
+// Write a null-terminated string
+static inline
+uint32_t tud_cdc_n_write_str (uint8_t itf, char const* str);
+
+// Force sending data if possible, return number of forced bytes
+uint32_t tud_cdc_n_write_flush (uint8_t itf);
+
+// Return the number of bytes (characters) available for writing to TX FIFO buffer in a single n_write operation.
+uint32_t tud_cdc_n_write_available (uint8_t itf);
+
+// Clear the transmit FIFO
+bool tud_cdc_n_write_clear (uint8_t itf);
+
+//--------------------------------------------------------------------+
+// Application API (Single Port)
+//--------------------------------------------------------------------+
+static inline bool tud_cdc_connected (void);
+static inline uint8_t tud_cdc_get_line_state (void);
+static inline void tud_cdc_get_line_coding (cdc_line_coding_t* coding);
+static inline void tud_cdc_set_wanted_char (char wanted);
+
+static inline uint32_t tud_cdc_available (void);
+static inline int32_t tud_cdc_read_char (void);
+static inline uint32_t tud_cdc_read (void* buffer, uint32_t bufsize);
+static inline void tud_cdc_read_flush (void);
+static inline bool tud_cdc_peek (uint8_t* ui8);
+
+static inline uint32_t tud_cdc_write_char (char ch);
+static inline uint32_t tud_cdc_write (void const* buffer, uint32_t bufsize);
+static inline uint32_t tud_cdc_write_str (char const* str);
+static inline uint32_t tud_cdc_write_flush (void);
+static inline uint32_t tud_cdc_write_available (void);
+static inline bool tud_cdc_write_clear (void);
+
+//--------------------------------------------------------------------+
+// Application Callback API (weak is optional)
+//--------------------------------------------------------------------+
+
+// Invoked when received new data
+TU_ATTR_WEAK void tud_cdc_rx_cb(uint8_t itf);
+
+// Invoked when received `wanted_char`
+TU_ATTR_WEAK void tud_cdc_rx_wanted_cb(uint8_t itf, char wanted_char);
+
+// Invoked when space becomes available in TX buffer
+TU_ATTR_WEAK void tud_cdc_tx_complete_cb(uint8_t itf);
+
+// Invoked when line state DTR & RTS are changed via SET_CONTROL_LINE_STATE
+TU_ATTR_WEAK void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts);
+
+// Invoked when line coding is change via SET_LINE_CODING
+TU_ATTR_WEAK void tud_cdc_line_coding_cb(uint8_t itf, cdc_line_coding_t const* p_line_coding);
+
+// Invoked when received send break
+TU_ATTR_WEAK void tud_cdc_send_break_cb(uint8_t itf, uint16_t duration_ms);
+
+//--------------------------------------------------------------------+
+// Inline Functions
+//--------------------------------------------------------------------+
+static inline int32_t tud_cdc_n_read_char (uint8_t itf)
+{
+ uint8_t ch;
+ return tud_cdc_n_read(itf, &ch, 1) ? (int32_t) ch : -1;
+}
+
+static inline uint32_t tud_cdc_n_write_char(uint8_t itf, char ch)
+{
+ return tud_cdc_n_write(itf, &ch, 1);
+}
+
+static inline uint32_t tud_cdc_n_write_str (uint8_t itf, char const* str)
+{
+ return tud_cdc_n_write(itf, str, strlen(str));
+}
+
+static inline bool tud_cdc_connected (void)
+{
+ return tud_cdc_n_connected(0);
+}
+
+static inline uint8_t tud_cdc_get_line_state (void)
+{
+ return tud_cdc_n_get_line_state(0);
+}
+
+static inline void tud_cdc_get_line_coding (cdc_line_coding_t* coding)
+{
+ tud_cdc_n_get_line_coding(0, coding);
+}
+
+static inline void tud_cdc_set_wanted_char (char wanted)
+{
+ tud_cdc_n_set_wanted_char(0, wanted);
+}
+
+static inline uint32_t tud_cdc_available (void)
+{
+ return tud_cdc_n_available(0);
+}
+
+static inline int32_t tud_cdc_read_char (void)
+{
+ return tud_cdc_n_read_char(0);
+}
+
+static inline uint32_t tud_cdc_read (void* buffer, uint32_t bufsize)
+{
+ return tud_cdc_n_read(0, buffer, bufsize);
+}
+
+static inline void tud_cdc_read_flush (void)
+{
+ tud_cdc_n_read_flush(0);
+}
+
+static inline bool tud_cdc_peek (uint8_t* ui8)
+{
+ return tud_cdc_n_peek(0, ui8);
+}
+
+static inline uint32_t tud_cdc_write_char (char ch)
+{
+ return tud_cdc_n_write_char(0, ch);
+}
+
+static inline uint32_t tud_cdc_write (void const* buffer, uint32_t bufsize)
+{
+ return tud_cdc_n_write(0, buffer, bufsize);
+}
+
+static inline uint32_t tud_cdc_write_str (char const* str)
+{
+ return tud_cdc_n_write_str(0, str);
+}
+
+static inline uint32_t tud_cdc_write_flush (void)
+{
+ return tud_cdc_n_write_flush(0);
+}
+
+static inline uint32_t tud_cdc_write_available(void)
+{
+ return tud_cdc_n_write_available(0);
+}
+
+static inline bool tud_cdc_write_clear(void)
+{
+ return tud_cdc_n_write_clear(0);
+}
+
+/** @} */
+/** @} */
+
+//--------------------------------------------------------------------+
+// INTERNAL USBD-CLASS DRIVER API
+//--------------------------------------------------------------------+
+void cdcd_init (void);
+void cdcd_reset (uint8_t rhport);
+uint16_t cdcd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
+bool cdcd_control_xfer_cb (uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
+bool cdcd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_CDC_DEVICE_H_ */