Outline ![]()
Files ![]()
loading...
SourceVu![]()
ESP-IDF Framework and Examples![]()
ESP-IDF![]()
components/openthread/private_include/esp_uart_spinel_interface.hpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/*
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "esp_err.h"
#include "esp_openthread.h"
#include "esp_openthread_types.h"
#include "hal/uart_types.h"
#include "lib/spinel/spinel_interface.hpp"
#include "lib/hdlc/hdlc.hpp"
#include "openthread/error.h"
namespace esp {
namespace openthread {
/**
* This class defines an UART interface to the Radio Co-processor (RCP).
*
*/
class UartSpinelInterface : public ot::Spinel::SpinelInterface {
public:
/**
* @brief This constructor of object.
*/
UartSpinelInterface(void);
/**
* @brief This destructor of the object.
*
*/
~UartSpinelInterface(void);
/**
* Initializes the interface to the Radio Co-processor (RCP).
*
* @note This method should be called before reading and sending spinel frames to the interface.
*
* @param[in] aCallback Callback on frame received
* @param[in] aCallbackContext Callback context
* @param[in] aFrameBuffer A reference to a `RxFrameBuffer` object.
*
* @retval OT_ERROR_NONE The interface is initialized successfully
* @retval OT_ERROR_ALREADY The interface is already initialized.
* @retval OT_ERROR_FAILED Failed to initialize the interface.
*
*/
otError Init(ReceiveFrameCallback aCallback, void *aCallbackContext, RxFrameBuffer &aFrameBuffer);
/**
* Deinitializes the interface to the RCP.
*
*/
void Deinit(void);
/**
* Encodes and sends a spinel frame to Radio Co-processor (RCP) over the socket.
*
* @param[in] aFrame A pointer to buffer containing the spinel frame to send.
* @param[in] aLength The length (number of bytes) in the frame.
*
* @retval OT_ERROR_NONE Successfully encoded and sent the spinel frame.
* @retval OT_ERROR_BUSY Failed due to another operation is on going.
* @retval OT_ERROR_NO_BUFS Insufficient buffer space available to encode the frame.
* @retval OT_ERROR_FAILED Failed to call the SPI driver to send the frame.
*
*/
otError SendFrame(const uint8_t *aFrame, uint16_t aLength);
/**
* Waits for receiving part or all of spinel frame within specified interval.
*
* @param[in] aTimeout The timeout value in microseconds.
*
* @retval OT_ERROR_NONE Part or all of spinel frame is received.
* @retval OT_ERROR_RESPONSE_TIMEOUT No spinel frame is received within @p aTimeout.
*
*/
otError WaitForFrame(uint64_t aTimeoutUs);
/**
* Updates the file descriptor sets with file descriptors used by the radio driver.
*
* @param[in,out] aMainloopContext A pointer to the mainloop context.
*
*/
void UpdateFdSet(void *aMainloopContext);
/**
* Performs radio driver processing.
*
* @param[in] aMainloopContext A pointer to the mainloop context.
*
*/
void Process(const void *aMainloopContext);
/**
* Returns the bus speed between the host and the radio.
*
* @returns Bus speed in bits/second.
*
*/
uint32_t GetBusSpeed(void) const;
/**
* Hardware resets the RCP.
*
* @retval OT_ERROR_NONE Successfully reset the RCP.
* @retval OT_ERROR_NOT_IMPLEMENT The hardware reset is not implemented.
*
*/
otError HardwareReset(void);
/**
* Returns the RCP interface metrics.
*
* @returns The RCP interface metrics.
*
*/
const otRcpInterfaceMetrics *GetRcpInterfaceMetrics(void) const { return &mInterfaceMetrics; }
/**
* This methods registers the callback for RCP failure.
*
* @param[in] handler The RCP failure handler.
*
*/
void RegisterRcpFailureHandler(esp_openthread_rcp_failure_handler handler) { mRcpFailureHandler = handler; }
/**
* This method is called when RCP is reset to recreate the connection with it.
* Intentionally empty.
*
*/
otError ResetConnection(void) { return OT_ERROR_NONE; }
/**
* @brief This method enable the HDLC interface.
*
* @return
* - ESP_OK on success
* - ESP_ERR_NO_MEM if allocation has failed
* - ESP_ERROR on failure
*/
esp_err_t Enable(const esp_openthread_uart_config_t &radio_uart_config);
/**
* @brief This method disable the HDLC interface.
*
*/
esp_err_t Disable(void);
private:
enum {
/**
* Maximum wait time in Milliseconds for socket to become writable (see `SendFrame`).
*
*/
kMaxWaitTime = 2000,
};
esp_err_t InitUart(const esp_openthread_uart_config_t &radio_uart_config);
esp_err_t DeinitUart(void);
int TryReadAndDecode(void);
otError WaitForWritable(void);
otError Write(const uint8_t *frame, uint16_t length);
esp_err_t TryRecoverUart(void);
static void HandleHdlcFrame(void *context, otError error);
void HandleHdlcFrame(otError error);
ReceiveFrameCallback m_receiver_frame_callback;
void *m_receiver_frame_context;
RxFrameBuffer *m_receive_frame_buffer;
ot::Hdlc::Decoder m_hdlc_decoder;
uint8_t *m_uart_rx_buffer;
esp_openthread_uart_config_t m_uart_config;
int m_uart_fd;
otRcpInterfaceMetrics mInterfaceMetrics;
// Non-copyable, intentionally not implemented.
UartSpinelInterface(const UartSpinelInterface &);
UartSpinelInterface &operator=(const UartSpinelInterface &);
esp_openthread_rcp_failure_handler mRcpFailureHandler;
ot::Spinel::FrameBuffer<kMaxFrameSize> encoder_buffer;
};
} // namespace openthread
} // namespace esp
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.