Frank Vannieuwkerke / cc3000_hostdriver_mbedsocket

cc3000 hostdriver with the mbed socket interface

Fork of cc3000_hostdriver_mbedsocket by Martin Kojtal

cc3000_spi.cpp@42:bd2c631a031a, 2013-10-12 (annotated)

Committer:
SolderSplashLabs
Date:
Sat Oct 12 21:53:28 2013 +0000
Revision:
42:bd2c631a031a
Parent:
34:1ad18123bf11
Child:
44:960b73df5981
Added David's IRQ checking before re-enabling the IRQ.; Modified the is_connected function, connect + dhcp are needed ; Moved inet_ntoa_r to the socket class, not sure this is the best place, but other conversion functions live here.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 20:30b6ed7bf8fd 1 /*****************************************************************************
Kojto 20:30b6ed7bf8fd 2 *
Kojto 20:30b6ed7bf8fd 3 * C++ interface/implementation created by Martin Kojtal (0xc0170). Thanks to
Kojto 20:30b6ed7bf8fd 4 * Jim Carver and Frank Vannieuwkerke for their inital cc3000 mbed port and
Kojto 20:30b6ed7bf8fd 5 * provided help.
Kojto 20:30b6ed7bf8fd 6 *
Kojto 20:30b6ed7bf8fd 7 * This version of "host driver" uses CC3000 Host Driver Implementation. Thus
Kojto 20:30b6ed7bf8fd 8 * read the following copyright:
Kojto 20:30b6ed7bf8fd 9 *
Kojto 20:30b6ed7bf8fd 10 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
Kojto 20:30b6ed7bf8fd 11 *
Kojto 20:30b6ed7bf8fd 12 * Redistribution and use in source and binary forms, with or without
Kojto 20:30b6ed7bf8fd 13 * modification, are permitted provided that the following conditions
Kojto 20:30b6ed7bf8fd 14 * are met:
Kojto 20:30b6ed7bf8fd 15 *
Kojto 20:30b6ed7bf8fd 16 * Redistributions of source code must retain the above copyright
Kojto 20:30b6ed7bf8fd 17 * notice, this list of conditions and the following disclaimer.
Kojto 20:30b6ed7bf8fd 18 *
Kojto 20:30b6ed7bf8fd 19 * Redistributions in binary form must reproduce the above copyright
Kojto 20:30b6ed7bf8fd 20 * notice, this list of conditions and the following disclaimer in the
Kojto 20:30b6ed7bf8fd 21 * documentation and/or other materials provided with the
Kojto 20:30b6ed7bf8fd 22 * distribution.
Kojto 20:30b6ed7bf8fd 23 *
Kojto 20:30b6ed7bf8fd 24 * Neither the name of Texas Instruments Incorporated nor the names of
Kojto 20:30b6ed7bf8fd 25 * its contributors may be used to endorse or promote products derived
Kojto 20:30b6ed7bf8fd 26 * from this software without specific prior written permission.
Kojto 20:30b6ed7bf8fd 27 *
Kojto 20:30b6ed7bf8fd 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Kojto 20:30b6ed7bf8fd 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Kojto 20:30b6ed7bf8fd 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Kojto 20:30b6ed7bf8fd 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
Kojto 20:30b6ed7bf8fd 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
Kojto 20:30b6ed7bf8fd 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Kojto 20:30b6ed7bf8fd 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Kojto 20:30b6ed7bf8fd 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Kojto 20:30b6ed7bf8fd 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Kojto 20:30b6ed7bf8fd 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Kojto 20:30b6ed7bf8fd 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Kojto 20:30b6ed7bf8fd 39 *
Kojto 20:30b6ed7bf8fd 40 *****************************************************************************/
Kojto 20:30b6ed7bf8fd 41 #include "cc3000.h"
Kojto 20:30b6ed7bf8fd 42 #include "cc3000_spi.h"
Kojto 20:30b6ed7bf8fd 43
Kojto 20:30b6ed7bf8fd 44 namespace mbed_cc3000 {
Kojto 20:30b6ed7bf8fd 45
Kojto 20:30b6ed7bf8fd 46 cc3000_spi::cc3000_spi(PinName cc3000_irq, PinName cc3000_en, PinName cc3000_cs, SPI cc3000_spi, IRQn_Type irq_port, cc3000_event &event, cc3000_simple_link &simple_link)
Kojto 20:30b6ed7bf8fd 47 : _wlan_irq(cc3000_irq), _wlan_en(cc3000_en), _wlan_cs(cc3000_cs), _wlan_spi(cc3000_spi), _irq_port(irq_port),
Kojto 20:30b6ed7bf8fd 48 _event(event), _simple_link(simple_link) {
Kojto 20:30b6ed7bf8fd 49 /* TODO = clear pending interrupts for PORTS. This is dependent on the used chip */
Kojto 20:30b6ed7bf8fd 50
Kojto 20:30b6ed7bf8fd 51 _wlan_spi.format(8,1);
Kojto 20:30b6ed7bf8fd 52 _wlan_spi.frequency(12000000);
Kojto 20:30b6ed7bf8fd 53 _function_pointer = _wlan_irq.fall(this, &cc3000_spi::WLAN_IRQHandler);
Kojto 20:30b6ed7bf8fd 54
Kojto 20:30b6ed7bf8fd 55 _wlan_en = 0;
Kojto 20:30b6ed7bf8fd 56 _wlan_cs = 1;
Kojto 20:30b6ed7bf8fd 57 }
Kojto 20:30b6ed7bf8fd 58
Kojto 20:30b6ed7bf8fd 59 cc3000_spi::~cc3000_spi() {
Kojto 20:30b6ed7bf8fd 60
Kojto 20:30b6ed7bf8fd 61 }
Kojto 20:30b6ed7bf8fd 62
Kojto 20:30b6ed7bf8fd 63 void cc3000_spi::wlan_irq_enable()
Kojto 20:30b6ed7bf8fd 64 {
Kojto 20:30b6ed7bf8fd 65 NVIC_EnableIRQ(_irq_port);
SolderSplashLabs 42:bd2c631a031a 66
SolderSplashLabs 42:bd2c631a031a 67 if(wlan_irq_read() == 0)
SolderSplashLabs 42:bd2c631a031a 68 WLAN_IRQHandler();
Kojto 20:30b6ed7bf8fd 69 }
Kojto 20:30b6ed7bf8fd 70
Kojto 20:30b6ed7bf8fd 71 void cc3000_spi::wlan_irq_disable() {
Kojto 20:30b6ed7bf8fd 72 NVIC_DisableIRQ(_irq_port);
Kojto 20:30b6ed7bf8fd 73 }
Kojto 20:30b6ed7bf8fd 74
Kojto 20:30b6ed7bf8fd 75 uint32_t cc3000_spi::wlan_irq_read() {
Kojto 20:30b6ed7bf8fd 76 return _wlan_irq.read();
Kojto 20:30b6ed7bf8fd 77 }
Kojto 20:30b6ed7bf8fd 78
Kojto 20:30b6ed7bf8fd 79 void cc3000_spi::close() {
Kojto 20:30b6ed7bf8fd 80 wlan_irq_disable();
Kojto 20:30b6ed7bf8fd 81 }
Kojto 20:30b6ed7bf8fd 82
Kojto 20:30b6ed7bf8fd 83 // void cc3000_spi::SpiReceiveHandler() {
Kojto 20:30b6ed7bf8fd 84 // _simple_link.usEventOrDataReceived = 1;
Kojto 20:30b6ed7bf8fd 85 // //_simple_link.pucReceivedData = (unsigned char *)pvBuffer;
Kojto 20:30b6ed7bf8fd 86
Kojto 20:30b6ed7bf8fd 87 // hci_unsolicited_event_handler();
Kojto 20:30b6ed7bf8fd 88 // }
Kojto 20:30b6ed7bf8fd 89
Kojto 20:30b6ed7bf8fd 90
Kojto 20:30b6ed7bf8fd 91 /* TODO
Kojto 20:30b6ed7bf8fd 92 pRxPacket, pTxPacket do we need to hold this pointer ?
Kojto 20:30b6ed7bf8fd 93 SPIRxHandler - remove?
Kojto 20:30b6ed7bf8fd 94 */
Kojto 20:30b6ed7bf8fd 95 void cc3000_spi::open() {
Kojto 20:30b6ed7bf8fd 96 _spi_info.spi_state = eSPI_STATE_POWERUP;
Kojto 20:30b6ed7bf8fd 97 //_spi_info.SPIRxHandler = pfRxHandler;
Kojto 20:30b6ed7bf8fd 98 _spi_info.tx_packet_length = 0;
Kojto 20:30b6ed7bf8fd 99 _spi_info.rx_packet_length = 0;
Kojto 20:30b6ed7bf8fd 100 //_rx_buffer[CC3000_RX_BUFFER_SIZE - 1] = CC3000_BUFFER_MAGIC_NUMBER;
Kojto 20:30b6ed7bf8fd 101 //_tx_buffer[CC3000_TX_BUFFER_SIZE - 1] = CC3000_BUFFER_MAGIC_NUMBER;
Kojto 20:30b6ed7bf8fd 102 wlan_irq_enable();
Kojto 20:30b6ed7bf8fd 103 }
Kojto 20:30b6ed7bf8fd 104
Kojto 20:30b6ed7bf8fd 105 uint32_t cc3000_spi::first_write(uint8_t *buffer, uint16_t length) {
Kojto 20:30b6ed7bf8fd 106 _wlan_cs = 0;
Kojto 20:30b6ed7bf8fd 107 wait_us(50);
Kojto 20:30b6ed7bf8fd 108
Kojto 20:30b6ed7bf8fd 109 /* first 4 bytes of the data */
Kojto 20:30b6ed7bf8fd 110 write_synchronous(buffer, 4);
Kojto 20:30b6ed7bf8fd 111 wait_us(50);
Kojto 20:30b6ed7bf8fd 112 write_synchronous(buffer + 4, length - 4);
Kojto 20:30b6ed7bf8fd 113 _spi_info.spi_state = eSPI_STATE_IDLE;
Kojto 20:30b6ed7bf8fd 114 _wlan_cs = 1;
Kojto 20:30b6ed7bf8fd 115
Kojto 20:30b6ed7bf8fd 116 return 0;
Kojto 20:30b6ed7bf8fd 117 }
Kojto 20:30b6ed7bf8fd 118
Kojto 20:30b6ed7bf8fd 119
Kojto 20:30b6ed7bf8fd 120 uint32_t cc3000_spi::write(uint8_t *buffer, uint16_t length) {
Kojto 20:30b6ed7bf8fd 121 uint8_t pad = 0;
Kojto 20:30b6ed7bf8fd 122 // check the total length of the packet in order to figure out if padding is necessary
Kojto 20:30b6ed7bf8fd 123 if(!(length & 0x0001))
Kojto 20:30b6ed7bf8fd 124 {
Kojto 20:30b6ed7bf8fd 125 pad++;
Kojto 20:30b6ed7bf8fd 126 }
Kojto 20:30b6ed7bf8fd 127 buffer[0] = WRITE;
Kojto 20:30b6ed7bf8fd 128 buffer[1] = HI(length + pad);
Kojto 20:30b6ed7bf8fd 129 buffer[2] = LO(length + pad);
Kojto 20:30b6ed7bf8fd 130 buffer[3] = 0;
Kojto 20:30b6ed7bf8fd 131 buffer[4] = 0;
Kojto 20:30b6ed7bf8fd 132
Kojto 20:30b6ed7bf8fd 133 length += (SPI_HEADER_SIZE + pad);
Kojto 20:30b6ed7bf8fd 134
Kojto 20:30b6ed7bf8fd 135 // The magic number resides at the end of the TX/RX buffer (1 byte after the allocated size)
Kojto 20:30b6ed7bf8fd 136 // If the magic number is overwitten - buffer overrun occurred - we will be stuck here forever!
Kojto 20:30b6ed7bf8fd 137 uint8_t * transmit_buffer = _simple_link.get_transmit_buffer();
Kojto 20:30b6ed7bf8fd 138 if (transmit_buffer[CC3000_TX_BUFFER_SIZE - 1] != CC3000_BUFFER_MAGIC_NUMBER)
Kojto 20:30b6ed7bf8fd 139 {
Kojto 20:30b6ed7bf8fd 140 while (1);
Kojto 20:30b6ed7bf8fd 141 }
Kojto 20:30b6ed7bf8fd 142
Kojto 20:30b6ed7bf8fd 143 if (_spi_info.spi_state == eSPI_STATE_POWERUP)
Kojto 20:30b6ed7bf8fd 144 {
Kojto 20:30b6ed7bf8fd 145 while (_spi_info.spi_state != eSPI_STATE_INITIALIZED);
Kojto 20:30b6ed7bf8fd 146 }
Kojto 20:30b6ed7bf8fd 147
Kojto 20:30b6ed7bf8fd 148 if (_spi_info.spi_state == eSPI_STATE_INITIALIZED)
Kojto 20:30b6ed7bf8fd 149 {
Kojto 20:30b6ed7bf8fd 150 // TX/RX transaction over SPI after powerup: IRQ is low - send read buffer size command
Kojto 20:30b6ed7bf8fd 151 first_write(buffer, length);
Kojto 20:30b6ed7bf8fd 152 }
Kojto 20:30b6ed7bf8fd 153 else
Kojto 20:30b6ed7bf8fd 154 {
Kojto 20:30b6ed7bf8fd 155 // Prevent occurence of a race condition when 2 back to back packets are sent to the
Kojto 20:30b6ed7bf8fd 156 // device, so the state will move to IDLE and once again to not IDLE due to IRQ
Kojto 20:30b6ed7bf8fd 157 wlan_irq_disable();
Kojto 20:30b6ed7bf8fd 158
Kojto 20:30b6ed7bf8fd 159 while (_spi_info.spi_state != eSPI_STATE_IDLE);
Kojto 20:30b6ed7bf8fd 160
Kojto 20:30b6ed7bf8fd 161 _spi_info.spi_state = eSPI_STATE_WRITE_IRQ;
Kojto 20:30b6ed7bf8fd 162 //_spi_info.pTxPacket = buffer;
Kojto 20:30b6ed7bf8fd 163 _spi_info.tx_packet_length = length;
Kojto 20:30b6ed7bf8fd 164
Kojto 20:30b6ed7bf8fd 165 // Assert the CS line and wait until the IRQ line is active, then initialize the write operation
Kojto 20:30b6ed7bf8fd 166 _wlan_cs = 0;
Kojto 20:30b6ed7bf8fd 167
Kojto 20:30b6ed7bf8fd 168 wlan_irq_enable();
Kojto 20:30b6ed7bf8fd 169 }
Kojto 20:30b6ed7bf8fd 170
Kojto 20:30b6ed7bf8fd 171 // Wait until the transaction ends
Kojto 20:30b6ed7bf8fd 172 while (_spi_info.spi_state != eSPI_STATE_IDLE);
Kojto 20:30b6ed7bf8fd 173
Kojto 20:30b6ed7bf8fd 174 return 0;
Kojto 20:30b6ed7bf8fd 175 }
Kojto 20:30b6ed7bf8fd 176
Kojto 20:30b6ed7bf8fd 177 void cc3000_spi::write_synchronous(uint8_t *data, uint16_t size) {
Kojto 20:30b6ed7bf8fd 178 while(size)
Kojto 20:30b6ed7bf8fd 179 {
Kojto 20:30b6ed7bf8fd 180 _wlan_spi.write(*data++);
Kojto 20:30b6ed7bf8fd 181 size--;
Kojto 20:30b6ed7bf8fd 182 }
Kojto 20:30b6ed7bf8fd 183 }
Kojto 20:30b6ed7bf8fd 184
Kojto 20:30b6ed7bf8fd 185 void cc3000_spi::read_synchronous(uint8_t *data, uint16_t size) {
Kojto 20:30b6ed7bf8fd 186 for (uint32_t i = 0; i < size; i++)
Kojto 20:30b6ed7bf8fd 187 {
Kojto 20:30b6ed7bf8fd 188 data[i] = _wlan_spi.write(0x03);;
Kojto 20:30b6ed7bf8fd 189 }
Kojto 20:30b6ed7bf8fd 190 }
Kojto 20:30b6ed7bf8fd 191
Kojto 20:30b6ed7bf8fd 192 uint32_t cc3000_spi::read_data_cont() {
Kojto 20:30b6ed7bf8fd 193 long data_to_recv;
Kojto 20:30b6ed7bf8fd 194 unsigned char *evnt_buff, type;
Kojto 20:30b6ed7bf8fd 195
Kojto 20:30b6ed7bf8fd 196 //determine the packet type
Kojto 20:30b6ed7bf8fd 197 evnt_buff = _simple_link.get_received_buffer();
Kojto 20:30b6ed7bf8fd 198 data_to_recv = 0;
Kojto 20:30b6ed7bf8fd 199 STREAM_TO_UINT8((uint8_t *)(evnt_buff + SPI_HEADER_SIZE), HCI_PACKET_TYPE_OFFSET, type);
Kojto 20:30b6ed7bf8fd 200
Kojto 20:30b6ed7bf8fd 201 switch(type)
Kojto 20:30b6ed7bf8fd 202 {
Kojto 20:30b6ed7bf8fd 203 case HCI_TYPE_DATA:
Kojto 20:30b6ed7bf8fd 204 {
Kojto 20:30b6ed7bf8fd 205 // Read the remaining data..
Kojto 20:30b6ed7bf8fd 206 STREAM_TO_UINT16((uint8_t *)(evnt_buff + SPI_HEADER_SIZE), HCI_DATA_LENGTH_OFFSET, data_to_recv);
Kojto 20:30b6ed7bf8fd 207 if (!((HEADERS_SIZE_EVNT + data_to_recv) & 1))
Kojto 20:30b6ed7bf8fd 208 {
Kojto 20:30b6ed7bf8fd 209 data_to_recv++;
Kojto 20:30b6ed7bf8fd 210 }
Kojto 20:30b6ed7bf8fd 211
Kojto 20:30b6ed7bf8fd 212 if (data_to_recv)
Kojto 20:30b6ed7bf8fd 213 {
Kojto 20:30b6ed7bf8fd 214 read_synchronous(evnt_buff + 10, data_to_recv);
Kojto 20:30b6ed7bf8fd 215 }
Kojto 20:30b6ed7bf8fd 216 break;
Kojto 20:30b6ed7bf8fd 217 }
Kojto 20:30b6ed7bf8fd 218 case HCI_TYPE_EVNT:
Kojto 20:30b6ed7bf8fd 219 {
Kojto 20:30b6ed7bf8fd 220 // Calculate the rest length of the data
Kojto 20:30b6ed7bf8fd 221 STREAM_TO_UINT8((char *)(evnt_buff + SPI_HEADER_SIZE), HCI_EVENT_LENGTH_OFFSET, data_to_recv);
Kojto 20:30b6ed7bf8fd 222 data_to_recv -= 1;
Kojto 20:30b6ed7bf8fd 223 // Add padding byte if needed
Kojto 20:30b6ed7bf8fd 224 if ((HEADERS_SIZE_EVNT + data_to_recv) & 1)
Kojto 20:30b6ed7bf8fd 225 {
Kojto 20:30b6ed7bf8fd 226 data_to_recv++;
Kojto 20:30b6ed7bf8fd 227 }
Kojto 20:30b6ed7bf8fd 228
Kojto 20:30b6ed7bf8fd 229 if (data_to_recv)
Kojto 20:30b6ed7bf8fd 230 {
Kojto 20:30b6ed7bf8fd 231 read_synchronous(evnt_buff + 10, data_to_recv);
Kojto 20:30b6ed7bf8fd 232 }
Kojto 20:30b6ed7bf8fd 233
Kojto 20:30b6ed7bf8fd 234 _spi_info.spi_state = eSPI_STATE_READ_EOT;
Kojto 20:30b6ed7bf8fd 235 break;
Kojto 20:30b6ed7bf8fd 236 }
Kojto 20:30b6ed7bf8fd 237 }
Kojto 20:30b6ed7bf8fd 238 return (0);
Kojto 20:30b6ed7bf8fd 239 }
Kojto 20:30b6ed7bf8fd 240
Kojto 34:1ad18123bf11 241 void cc3000_spi::set_wlan_en(uint8_t value) {
Kojto 20:30b6ed7bf8fd 242 if (value) {
Kojto 20:30b6ed7bf8fd 243 _wlan_en = 1;
Kojto 20:30b6ed7bf8fd 244 } else {
Kojto 20:30b6ed7bf8fd 245 _wlan_en = 0;
Kojto 20:30b6ed7bf8fd 246 }
Kojto 20:30b6ed7bf8fd 247 }
Kojto 20:30b6ed7bf8fd 248
Kojto 20:30b6ed7bf8fd 249 void cc3000_spi::WLAN_IRQHandler() {
Kojto 20:30b6ed7bf8fd 250 if (_spi_info.spi_state == eSPI_STATE_POWERUP)
Kojto 20:30b6ed7bf8fd 251 {
Kojto 20:30b6ed7bf8fd 252 // Inform HCI Layer that IRQ occured after powerup
Kojto 20:30b6ed7bf8fd 253 _spi_info.spi_state = eSPI_STATE_INITIALIZED;
Kojto 20:30b6ed7bf8fd 254 }
Kojto 20:30b6ed7bf8fd 255 else if (_spi_info.spi_state == eSPI_STATE_IDLE)
Kojto 20:30b6ed7bf8fd 256 {
Kojto 20:30b6ed7bf8fd 257 _spi_info.spi_state = eSPI_STATE_READ_IRQ;
Kojto 20:30b6ed7bf8fd 258 /* IRQ line goes low - acknowledge it */
Kojto 20:30b6ed7bf8fd 259 _wlan_cs = 0;
Kojto 20:30b6ed7bf8fd 260 read_synchronous(_simple_link.get_received_buffer(), 10);
Kojto 20:30b6ed7bf8fd 261 _spi_info.spi_state = eSPI_STATE_READ_EOT;
Kojto 20:30b6ed7bf8fd 262
Kojto 20:30b6ed7bf8fd 263
Kojto 20:30b6ed7bf8fd 264 // The header was read - continue with the payload read
Kojto 20:30b6ed7bf8fd 265 if (!read_data_cont())
Kojto 20:30b6ed7bf8fd 266 {
Kojto 20:30b6ed7bf8fd 267 // All the data was read - finalize handling by switching to the task
Kojto 20:30b6ed7bf8fd 268 // Trigger Rx processing
Kojto 20:30b6ed7bf8fd 269 wlan_irq_disable();
Kojto 20:30b6ed7bf8fd 270 _wlan_cs = 1;
Kojto 20:30b6ed7bf8fd 271 // The magic number resides at the end of the TX/RX buffer (1 byte after the allocated size)
Kojto 20:30b6ed7bf8fd 272 // If the magic number is overwitten - buffer overrun occurred - we will be stuck here forever!
Kojto 20:30b6ed7bf8fd 273 uint8_t *received_buffer = _simple_link.get_received_buffer();
Kojto 20:30b6ed7bf8fd 274 if (received_buffer[CC3000_RX_BUFFER_SIZE - 1] != CC3000_BUFFER_MAGIC_NUMBER)
Kojto 20:30b6ed7bf8fd 275 {
Kojto 20:30b6ed7bf8fd 276 while (1);
Kojto 20:30b6ed7bf8fd 277 }
Kojto 20:30b6ed7bf8fd 278 _spi_info.spi_state = eSPI_STATE_IDLE;
Kojto 20:30b6ed7bf8fd 279 _event.received_handler(received_buffer + SPI_HEADER_SIZE);
Kojto 20:30b6ed7bf8fd 280 }
Kojto 20:30b6ed7bf8fd 281 }
Kojto 20:30b6ed7bf8fd 282 else if (_spi_info.spi_state == eSPI_STATE_WRITE_IRQ)
Kojto 20:30b6ed7bf8fd 283 {
Kojto 20:30b6ed7bf8fd 284 write_synchronous(_simple_link.get_transmit_buffer(), _spi_info.tx_packet_length);
Kojto 20:30b6ed7bf8fd 285 _spi_info.spi_state = eSPI_STATE_IDLE;
Kojto 20:30b6ed7bf8fd 286 _wlan_cs = 1;
Kojto 20:30b6ed7bf8fd 287 }
Kojto 20:30b6ed7bf8fd 288 }
Kojto 20:30b6ed7bf8fd 289
Kojto 20:30b6ed7bf8fd 290 }