1 files changed, 151 insertions, 0 deletions

diff --git a/lib/chibios-contrib/os/hal/include/usbh/dev/ftdi.h b/lib/chibios-contrib/os/hal/include/usbh/dev/ftdi.h
new file mode 100644
index 000000000..c27950693
--- /dev/null
+++ b/lib/chibios-contrib/os/hal/include/usbh/dev/ftdi.h
@@ -0,0 +1,151 @@
+/*
+    ChibiOS - Copyright (C) 2006..2017 Giovanni Di Sirio
+              Copyright (C) 2015..2019 Diego Ismirlian, (dismirlian(at)google's mail)
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#ifndef USBH_FTDI_H_
+#define USBH_FTDI_H_
+
+#include "hal_usbh.h"
+
+#if HAL_USE_USBH && HAL_USBH_USE_FTDI
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+#define USBHFTDI_FRAMING_DATABITS_7    (0x7 << 0)
+#define USBHFTDI_FRAMING_DATABITS_8    (0x8 << 0)
+#define USBHFTDI_FRAMING_PARITY_NONE   (0x0 << 8)
+#define USBHFTDI_FRAMING_PARITY_NONE   (0x0 << 8)
+#define USBHFTDI_FRAMING_PARITY_ODD    (0x1 << 8)
+#define USBHFTDI_FRAMING_PARITY_EVEN   (0x2 << 8)
+#define USBHFTDI_FRAMING_PARITY_MARK   (0x3 << 8)
+#define USBHFTDI_FRAMING_PARITY_SPACE  (0x4 << 8)
+#define USBHFTDI_FRAMING_STOP_BITS_1   (0x0 << 11)
+#define USBHFTDI_FRAMING_STOP_BITS_15  (0x1 << 11)
+#define USBHFTDI_FRAMING_STOP_BITS_2   (0x2 << 11)
+
+#define USBHFTDI_HANDSHAKE_NONE                 (0x0)
+#define USBHFTDI_HANDSHAKE_RTS_CTS              (0x1)
+#define USBHFTDI_HANDSHAKE_DTR_DSR              (0x2)
+#define USBHFTDI_HANDSHAKE_XON_XOFF             (0x4)
+
+
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+typedef struct {
+  uint32_t  speed;
+  uint16_t  framing;
+  uint8_t   handshake;
+  uint8_t   xon_character;
+  uint8_t       xoff_character;
+} USBHFTDIPortConfig;
+
+typedef enum {
+        USBHFTDI_TYPE_A,
+        USBHFTDI_TYPE_B,
+        USBHFTDI_TYPE_H,
+} usbhftdi_type_t;
+
+typedef enum {
+        USBHFTDIP_STATE_UNINIT = 0,
+        USBHFTDIP_STATE_STOP = 1,
+        USBHFTDIP_STATE_ACTIVE = 2,
+        USBHFTDIP_STATE_READY = 3
+} usbhftdip_state_t;
+
+
+#define _ftdi_port_driver_methods                                          \
+  _base_asynchronous_channel_methods
+
+struct FTDIPortDriverVMT {
+        _ftdi_port_driver_methods
+};
+
+typedef struct USBHFTDIPortDriver USBHFTDIPortDriver;
+typedef struct USBHFTDIDriver USBHFTDIDriver;
+
+struct USBHFTDIPortDriver {
+        /* inherited from abstract asyncrhonous channel driver */
+        const struct FTDIPortDriverVMT *vmt;
+        _base_asynchronous_channel_data
+
+        USBHFTDIDriver *ftdip;
+
+        usbhftdip_state_t state;
+
+        usbh_ep_t epin;
+        usbh_urb_t iq_urb;
+        threads_queue_t iq_waiting;
+        uint32_t iq_counter;
+        USBH_DECLARE_STRUCT_MEMBER(uint8_t iq_buff[64]);
+        uint8_t *iq_ptr;
+
+
+        usbh_ep_t epout;
+        usbh_urb_t oq_urb;
+        threads_queue_t oq_waiting;
+        uint32_t oq_counter;
+        USBH_DECLARE_STRUCT_MEMBER(uint8_t oq_buff[64]);
+        uint8_t *oq_ptr;
+
+        virtual_timer_t vt;
+        uint8_t ifnum;
+
+        USBHFTDIPortDriver *next;
+};
+
+struct USBHFTDIDriver {
+        /* inherited from abstract class driver */
+        _usbh_base_classdriver_data
+
+        usbhftdi_type_t type;
+        USBHFTDIPortDriver *ports;
+
+        mutex_t mtx;
+};
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+#define usbhftdipGetState(ftdipp) ((ftdipp)->state)
+#define usbhftdipGetHost(ftdipp) ((ftdipp)->ftdip->dev->host)
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+extern USBHFTDIDriver USBHFTDID[HAL_USBHFTDI_MAX_INSTANCES];
+extern USBHFTDIPortDriver FTDIPD[HAL_USBHFTDI_MAX_PORTS];
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+        /* FTDI port driver */
+        void usbhftdipStart(USBHFTDIPortDriver *ftdipp, const USBHFTDIPortConfig *config);
+        void usbhftdipStop(USBHFTDIPortDriver *ftdipp);
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
+
+#endif /* USBH_FTDI_H_ */