Lowe Dantzler
Description.
Dependents: RoboPanorama 4180_Project ProjetMacIntel
Fork of
Camera_LS_Y201
by 
Shinichiro Nakamura
Revision 2:e92ce527b8b0, committed 2012-10-12
- Comitter:
- lndv3
- Date:
- Fri Oct 12 16:41:24 2012 +0000
- Parent:
- 1:43358d40f879
- Commit message:
- Commit.
Changed in this revision
diff -r 43358d40f879 -r e92ce527b8b0 Camera_LS_Y201.cpp
--- a/Camera_LS_Y201.cpp Wed Dec 01 23:10:56 2010 +0000
+++ b/Camera_LS_Y201.cpp Fri Oct 12 16:41:24 2012 +0000
@@ -1,449 +1,449 @@
-/**
- * =============================================================================
- * LS-Y201 device driver class (Version 0.0.1)
- * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
- * January 2010
- * =============================================================================
- * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
- *
- * 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 "Camera_LS_Y201.h"
-
-/**
- * Create.
- *
- * @param tx Transmitter.
- * @param rx Receiver.
- */
-Camera_LS_Y201::Camera_LS_Y201(PinName tx, PinName rx) : serial(tx, rx) {
- serial.baud(38400);
-}
-
-/**
- * Dispose.
- */
-Camera_LS_Y201::~Camera_LS_Y201() {
-}
-
-/**
- * Reset module.
- *
- * @return Error code.
- */
-Camera_LS_Y201::ErrorCode Camera_LS_Y201::reset() {
- uint8_t send[4] = {
- 0x56,
- 0x00,
- 0x26,
- 0x00
- };
- uint8_t recv[4];
-
- waitIdle();
- if (!sendBytes(send, sizeof(send), 200 * 1000)) {
- return SendError;
- }
- if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
- return RecvError;
- }
- if ((recv[0] == 0x76)
- && (recv[1] == 0x00)
- && (recv[2] == 0x26)
- && (recv[3] == 0x00)) {
- ErrorCode r = waitInitEnd();
- if (r != NoError) {
- return r;
- }
- wait(4);
- return NoError;
- } else {
- return UnexpectedReply;
- }
-}
-
-/**
- * Set image size.
- *
- * @param is Image size.
- * @return Error code.
- */
-Camera_LS_Y201::ErrorCode Camera_LS_Y201::setImageSize(ImageSize is) {
- uint8_t send[9] = {
- 0x56,
- 0x00,
- 0x31,
- 0x05,
- 0x04,
- 0x01,
- 0x00,
- 0x19,
- 0x00 // 0x11:320x240, 0x00:640x480, 0x22:160x120
- };
- uint8_t recv[5];
- switch (is) {
- case ImageSize160x120:
- send[8] = 0x22;
- break;
- case ImageSize320x280:
- send[8] = 0x11;
- break;
- case ImageSize640x480:
- send[8] = 0x00;
- break;
- default:
- return InvalidArguments;
- }
- if (!sendBytes(send, sizeof(send), 200 * 1000)) {
- return SendError;
- }
- if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
- return RecvError;
- }
- if ((recv[0] == 0x76)
- && (recv[1] == 0x00)
- && (recv[2] == 0x31)
- && (recv[3] == 0x00)
- && (recv[4] == 0x00)) {
- wait(1);
- return reset();
- } else {
- return UnexpectedReply;
- }
-}
-
-/**
- * Take picture.
- *
- * @return Error code.
- */
-Camera_LS_Y201::ErrorCode Camera_LS_Y201::takePicture() {
- uint8_t send[5] = {
- 0x56,
- 0x00,
- 0x36,
- 0x01,
- 0x00
- };
- uint8_t recv[5];
-
- if (!sendBytes(send, sizeof(send), 200 * 1000)) {
- return SendError;
- }
- if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
- return RecvError;
- }
-
- if ((recv[0] == 0x76)
- && (recv[1] == 0x00)
- && (recv[2] == 0x36)
- && (recv[3] == 0x00)
- && (recv[4] == 0x00)) {
- /*
- * I think the camera need a time for operating.
- * But there is no any comments on the documents.
- */
- wait_ms(100);
- return NoError;
- } else {
- return UnexpectedReply;
- }
-}
-
-/**
- * Read jpeg file size.
- *
- * @param fileSize File size.
- * @return Error code.
- */
-Camera_LS_Y201::ErrorCode Camera_LS_Y201::readJpegFileSize(int *fileSize) {
- uint8_t send[5] = {
- 0x56,
- 0x00,
- 0x34,
- 0x01,
- 0x00
- };
- uint8_t recv[9];
-
- if (!sendBytes(send, sizeof(send), 200 * 1000)) {
- return SendError;
- }
- if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
- return RecvError;
- }
-
- if ((recv[0] == 0x76)
- && (recv[1] == 0x00)
- && (recv[2] == 0x34)
- && (recv[3] == 0x00)
- && (recv[4] == 0x04)
- && (recv[5] == 0x00)
- && (recv[6] == 0x00)) {
- *fileSize = ((recv[7] & 0x00ff) << 8)
- | ((recv[8] & 0x00ff) << 0);
- return NoError;
- } else {
- return UnexpectedReply;
- }
-}
-
-/**
- * Read jpeg file content.
- *
- * @param func A pointer to a call back function.
- * @return Error code.
- */
-Camera_LS_Y201::ErrorCode Camera_LS_Y201::readJpegFileContent(void (*func)(int done, int total, uint8_t *buf, size_t siz)) {
- uint8_t send[16] = {
- 0x56,
- 0x00,
- 0x32,
- 0x0C,
- 0x00,
- 0x0A,
- 0x00,
- 0x00,
- 0x00, // MH
- 0x00, // ML
- 0x00,
- 0x00,
- 0x00, // KH
- 0x00, // KL
- 0x00, // XX
- 0x00 // XX
- };
- uint8_t body[32];
- uint16_t m = 0; // Staring address.
- uint16_t k = sizeof(body); // Packet size.
- uint16_t x = 10; // Interval time. XX XX * 0.01m[sec]
- bool end = false;
-
- /*
- * Get the data size.
- */
- int siz_done = 0;
- int siz_total = 0;
- ErrorCode r = readJpegFileSize(&siz_total);
- if (r != NoError) {
- return r;
- }
-
- do {
- send[8] = (m >> 8) & 0xff;
- send[9] = (m >> 0) & 0xff;
- send[12] = (k >> 8) & 0xff;
- send[13] = (k >> 0) & 0xff;
- send[14] = (x >> 8) & 0xff;
- send[15] = (x >> 0) & 0xff;
- /*
- * Send a command.
- */
- if (!sendBytes(send, sizeof(send), 200 * 1000)) {
- return SendError;
- }
- /*
- * Read the header of the response.
- */
- uint8_t header[5];
- if (!recvBytes(header, sizeof(header), 2 * 1000 * 1000)) {
- return RecvError;
- }
- /*
- * Check the response and fetch an image data.
- */
- if ((header[0] == 0x76)
- && (header[1] == 0x00)
- && (header[2] == 0x32)
- && (header[3] == 0x00)
- && (header[4] == 0x00)) {
- if (!recvBytes(body, sizeof(body), 2 * 1000 * 1000)) {
- return RecvError;
- }
- siz_done += sizeof(body);
- if (func != NULL) {
- if (siz_done > siz_total) {
- siz_done = siz_total;
- }
- func(siz_done, siz_total, body, sizeof(body));
- }
- for (int i = 1; i < sizeof(body); i++) {
- if ((body[i - 1] == 0xFF) && (body[i - 0] == 0xD9)) {
- end = true;
- }
- }
- } else {
- return UnexpectedReply;
- }
- /*
- * Read the footer of the response.
- */
- uint8_t footer[5];
- if (!recvBytes(footer, sizeof(footer), 2 * 1000 * 1000)) {
- return RecvError;
- }
-
- m += sizeof(body);
- } while (!end);
- return NoError;
-}
-
-/**
- * Stop taking pictures.
- *
- * @return Error code.
- */
-Camera_LS_Y201::ErrorCode Camera_LS_Y201::stopTakingPictures() {
- uint8_t send[5] = {
- 0x56,
- 0x00,
- 0x36,
- 0x01,
- 0x03
- };
- uint8_t recv[5];
-
- if (!sendBytes(send, sizeof(send), 200 * 1000)) {
- return SendError;
- }
- if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
- return RecvError;
- }
-
- if ((recv[0] == 0x76)
- && (recv[1] == 0x00)
- && (recv[2] == 0x36)
- && (recv[3] == 0x00)
- && (recv[4] == 0x00)) {
- /*
- * I think the camera need a time for operating.
- * But there is no any comments on the documents.
- */
- wait_ms(100);
- return NoError;
- } else {
- return UnexpectedReply;
- }
-}
-
-/**
- * Wait init end codes.
- *
- * @return True if the data sended.
- */
-Camera_LS_Y201::ErrorCode Camera_LS_Y201::waitInitEnd() {
- static const char *PWR_ON_MSG = "Init end\x0d\x0a";
- for (int i = 0; i < strlen(PWR_ON_MSG); i++) {
- static const int MAXCNT = 128;
- int cnt = 0;
- uint8_t c = 0x00;
- do {
- if (!recvBytes(&c, sizeof(c), 500 * 1000)) {
- return Timeout;
- }
-
- /*
- * What is the version of the camera.
- * You can check the version with this code.
- *
- * VC0703 1.00
- * 3o ctrl in
- * Init end
- */
-#if 0
- printf("%c", c);
-#endif
-
- cnt++;
- if (MAXCNT < cnt) {
- return UnexpectedReply;
- }
- } while (c != PWR_ON_MSG[i]);
- }
- return NoError;
-}
-
-/**
- * Send bytes to camera module.
- *
- * @param buf Pointer to the data buffer.
- * @param len Length of the data buffer.
- *
- * @return True if the data sended.
- */
-bool Camera_LS_Y201::sendBytes(uint8_t *buf, size_t len, int timeout_us) {
- for (uint32_t i = 0; i < (uint32_t)len; i++) {
- int cnt = 0;
- while (!serial.writeable()) {
- wait_us(1);
- cnt++;
- if (timeout_us < cnt) {
- return false;
- }
- }
- serial.putc(buf[i]);
- }
- return true;
-}
-
-/**
- * Receive bytes from camera module.
- *
- * @param buf Pointer to the data buffer.
- * @param len Length of the data buffer.
- *
- * @return True if the data received.
- */
-bool Camera_LS_Y201::recvBytes(uint8_t *buf, size_t len, int timeout_us) {
- for (uint32_t i = 0; i < (uint32_t)len; i++) {
- int cnt = 0;
- while (!serial.readable()) {
- wait_us(1);
- cnt++;
- if (timeout_us < cnt) {
- return false;
- }
- }
- buf[i] = serial.getc();
- }
- return true;
-}
-
-/**
- * Wait received.
- *
- * @return True if the data received.
- */
-bool Camera_LS_Y201::waitRecv() {
- while (!serial.readable()) {
- }
- return true;
-}
-
-/**
- * Wait idle state.
- */
-bool Camera_LS_Y201::waitIdle() {
- while (serial.readable()) {
- serial.getc();
- }
- return true;
-}
+/**
+ * =============================================================================
+ * LS-Y201 device driver class (Version 0.0.1)
+ * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
+ * January 2010
+ * =============================================================================
+ * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
+ *
+ * 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 "Camera_LS_Y201.h"
+
+/**
+ * Create.
+ *
+ * @param tx Transmitter.
+ * @param rx Receiver.
+ */
+Camera_LS_Y201::Camera_LS_Y201(PinName tx, PinName rx) : serial(tx, rx) {
+ serial.baud(38400);
+}
+
+/**
+ * Dispose.
+ */
+Camera_LS_Y201::~Camera_LS_Y201() {
+}
+
+/**
+ * Reset module.
+ *
+ * @return Error code.
+ */
+Camera_LS_Y201::ErrorCode Camera_LS_Y201::reset() {
+ uint8_t send[4] = {
+ 0x56,
+ 0x00,
+ 0x26,
+ 0x00
+ };
+ uint8_t recv[4];
+
+ waitIdle();
+ if (!sendBytes(send, sizeof(send), 200 * 1000)) {
+ return SendError;
+ }
+ if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
+ return RecvError;
+ }
+ if ((recv[0] == 0x76)
+ && (recv[1] == 0x00)
+ && (recv[2] == 0x26)
+ && (recv[3] == 0x00)) {
+ ErrorCode r = waitInitEnd();
+ if (r != NoError) {
+ return r;
+ }
+ wait(4);
+ return NoError;
+ } else {
+ return UnexpectedReply;
+ }
+}
+
+/**
+ * Set image size.
+ *
+ * @param is Image size.
+ * @return Error code.
+ */
+Camera_LS_Y201::ErrorCode Camera_LS_Y201::setImageSize(ImageSize is) {
+ uint8_t send[9] = {
+ 0x56,
+ 0x00,
+ 0x31,
+ 0x05,
+ 0x04,
+ 0x01,
+ 0x00,
+ 0x19,
+ 0x00 // 0x11:320x240, 0x00:640x480, 0x22:160x120
+ };
+ uint8_t recv[5];
+ switch (is) {
+ case ImageSize160x120:
+ send[8] = 0x22;
+ break;
+ case ImageSize320x280:
+ send[8] = 0x11;
+ break;
+ case ImageSize640x480:
+ send[8] = 0x00;
+ break;
+ default:
+ return InvalidArguments;
+ }
+ if (!sendBytes(send, sizeof(send), 200 * 1000)) {
+ return SendError;
+ }
+ if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
+ return RecvError;
+ }
+ if ((recv[0] == 0x76)
+ && (recv[1] == 0x00)
+ && (recv[2] == 0x31)
+ && (recv[3] == 0x00)
+ && (recv[4] == 0x00)) {
+ wait(1);
+ return reset();
+ } else {
+ return UnexpectedReply;
+ }
+}
+
+/**
+ * Take picture.
+ *
+ * @return Error code.
+ */
+Camera_LS_Y201::ErrorCode Camera_LS_Y201::takePicture() {
+ uint8_t send[5] = {
+ 0x56,
+ 0x00,
+ 0x36,
+ 0x01,
+ 0x00
+ };
+ uint8_t recv[5];
+
+ if (!sendBytes(send, sizeof(send), 200 * 1000)) {
+ return SendError;
+ }
+ if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
+ return RecvError;
+ }
+
+ if ((recv[0] == 0x76)
+ && (recv[1] == 0x00)
+ && (recv[2] == 0x36)
+ && (recv[3] == 0x00)
+ && (recv[4] == 0x00)) {
+ /*
+ * I think the camera need a time for operating.
+ * But there is no any comments on the documents.
+ */
+ wait_ms(100);
+ return NoError;
+ } else {
+ return UnexpectedReply;
+ }
+}
+
+/**
+ * Read jpeg file size.
+ *
+ * @param fileSize File size.
+ * @return Error code.
+ */
+Camera_LS_Y201::ErrorCode Camera_LS_Y201::readJpegFileSize(int *fileSize) {
+ uint8_t send[5] = {
+ 0x56,
+ 0x00,
+ 0x34,
+ 0x01,
+ 0x00
+ };
+ uint8_t recv[9];
+
+ if (!sendBytes(send, sizeof(send), 200 * 1000)) {
+ return SendError;
+ }
+ if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
+ return RecvError;
+ }
+
+ if ((recv[0] == 0x76)
+ && (recv[1] == 0x00)
+ && (recv[2] == 0x34)
+ && (recv[3] == 0x00)
+ && (recv[4] == 0x04)
+ && (recv[5] == 0x00)
+ && (recv[6] == 0x00)) {
+ *fileSize = ((recv[7] & 0x00ff) << 8)
+ | ((recv[8] & 0x00ff) << 0);
+ return NoError;
+ } else {
+ return UnexpectedReply;
+ }
+}
+
+/**
+ * Read jpeg file content.
+ *
+ * @param func A pointer to a call back function.
+ * @return Error code.
+ */
+Camera_LS_Y201::ErrorCode Camera_LS_Y201::readJpegFileContent(void (*func)(int done, int total, uint8_t *buf, size_t siz)) {
+ uint8_t send[16] = {
+ 0x56,
+ 0x00,
+ 0x32,
+ 0x0C,
+ 0x00,
+ 0x0A,
+ 0x00,
+ 0x00,
+ 0x00, // MH
+ 0x00, // ML
+ 0x00,
+ 0x00,
+ 0x00, // KH
+ 0x00, // KL
+ 0x00, // XX
+ 0x00 // XX
+ };
+ uint8_t body[32];
+ uint16_t m = 0; // Staring address.
+ uint16_t k = sizeof(body); // Packet size.
+ uint16_t x = 10; // Interval time. XX XX * 0.01m[sec]
+ bool end = false;
+
+ /*
+ * Get the data size.
+ */
+ int siz_done = 0;
+ int siz_total = 0;
+ ErrorCode r = readJpegFileSize(&siz_total);
+ if (r != NoError) {
+ return r;
+ }
+
+ do {
+ send[8] = (m >> 8) & 0xff;
+ send[9] = (m >> 0) & 0xff;
+ send[12] = (k >> 8) & 0xff;
+ send[13] = (k >> 0) & 0xff;
+ send[14] = (x >> 8) & 0xff;
+ send[15] = (x >> 0) & 0xff;
+ /*
+ * Send a command.
+ */
+ if (!sendBytes(send, sizeof(send), 200 * 1000)) {
+ return SendError;
+ }
+ /*
+ * Read the header of the response.
+ */
+ uint8_t header[5];
+ if (!recvBytes(header, sizeof(header), 2 * 1000 * 1000)) {
+ return RecvError;
+ }
+ /*
+ * Check the response and fetch an image data.
+ */
+ if ((header[0] == 0x76)
+ && (header[1] == 0x00)
+ && (header[2] == 0x32)
+ && (header[3] == 0x00)
+ && (header[4] == 0x00)) {
+ if (!recvBytes(body, sizeof(body), 2 * 1000 * 1000)) {
+ return RecvError;
+ }
+ siz_done += sizeof(body);
+ if (func != NULL) {
+ if (siz_done > siz_total) {
+ siz_done = siz_total;
+ }
+ func(siz_done, siz_total, body, sizeof(body));
+ }
+ for (int i = 1; i < sizeof(body); i++) {
+ if ((body[i - 1] == 0xFF) && (body[i - 0] == 0xD9)) {
+ end = true;
+ }
+ }
+ } else {
+ return UnexpectedReply;
+ }
+ /*
+ * Read the footer of the response.
+ */
+ uint8_t footer[5];
+ if (!recvBytes(footer, sizeof(footer), 2 * 1000 * 1000)) {
+ return RecvError;
+ }
+
+ m += sizeof(body);
+ } while (!end);
+ return NoError;
+}
+
+/**
+ * Stop taking pictures.
+ *
+ * @return Error code.
+ */
+Camera_LS_Y201::ErrorCode Camera_LS_Y201::stopTakingPictures() {
+ uint8_t send[5] = {
+ 0x56,
+ 0x00,
+ 0x36,
+ 0x01,
+ 0x03
+ };
+ uint8_t recv[5];
+
+ if (!sendBytes(send, sizeof(send), 200 * 1000)) {
+ return SendError;
+ }
+ if (!recvBytes(recv, sizeof(recv), 200 * 1000)) {
+ return RecvError;
+ }
+
+ if ((recv[0] == 0x76)
+ && (recv[1] == 0x00)
+ && (recv[2] == 0x36)
+ && (recv[3] == 0x00)
+ && (recv[4] == 0x00)) {
+ /*
+ * I think the camera need a time for operating.
+ * But there is no any comments on the documents.
+ */
+ wait_ms(100);
+ return NoError;
+ } else {
+ return UnexpectedReply;
+ }
+}
+
+/**
+ * Wait init end codes.
+ *
+ * @return True if the data sended.
+ */
+Camera_LS_Y201::ErrorCode Camera_LS_Y201::waitInitEnd() {
+ static const char *PWR_ON_MSG = "Init end\x0d\x0a";
+ for (int i = 0; i < strlen(PWR_ON_MSG); i++) {
+ static const int MAXCNT = 128;
+ int cnt = 0;
+ uint8_t c = 0x00;
+ do {
+ if (!recvBytes(&c, sizeof(c), 500 * 1000)) {
+ return Timeout;
+ }
+
+ /*
+ * What is the version of the camera.
+ * You can check the version with this code.
+ *
+ * VC0703 1.00
+ * 3o ctrl in
+ * Init end
+ */
+#if 0
+ printf("%c", c);
+#endif
+
+ cnt++;
+ if (MAXCNT < cnt) {
+ return UnexpectedReply;
+ }
+ } while (c != PWR_ON_MSG[i]);
+ }
+ return NoError;
+}
+
+/**
+ * Send bytes to camera module.
+ *
+ * @param buf Pointer to the data buffer.
+ * @param len Length of the data buffer.
+ *
+ * @return True if the data sended.
+ */
+bool Camera_LS_Y201::sendBytes(uint8_t *buf, size_t len, int timeout_us) {
+ for (uint32_t i = 0; i < (uint32_t)len; i++) {
+ int cnt = 0;
+ while (!serial.writeable()) {
+ wait_us(1);
+ cnt++;
+ if (timeout_us < cnt) {
+ return false;
+ }
+ }
+ serial.putc(buf[i]);
+ }
+ return true;
+}
+
+/**
+ * Receive bytes from camera module.
+ *
+ * @param buf Pointer to the data buffer.
+ * @param len Length of the data buffer.
+ *
+ * @return True if the data received.
+ */
+bool Camera_LS_Y201::recvBytes(uint8_t *buf, size_t len, int timeout_us) {
+ for (uint32_t i = 0; i < (uint32_t)len; i++) {
+ int cnt = 0;
+ while (!serial.readable()) {
+ wait_us(1);
+ cnt++;
+ if (timeout_us < cnt) {
+ return false;
+ }
+ }
+ buf[i] = serial.getc();
+ }
+ return true;
+}
+
+/**
+ * Wait received.
+ *
+ * @return True if the data received.
+ */
+bool Camera_LS_Y201::waitRecv() {
+ while (!serial.readable()) {
+ }
+ return true;
+}
+
+/**
+ * Wait idle state.
+ */
+bool Camera_LS_Y201::waitIdle() {
+ while (serial.readable()) {
+ serial.getc();
+ }
+ return true;
+}
diff -r 43358d40f879 -r e92ce527b8b0 Camera_LS_Y201.h
--- a/Camera_LS_Y201.h Wed Dec 01 23:10:56 2010 +0000
+++ b/Camera_LS_Y201.h Fri Oct 12 16:41:24 2012 +0000
@@ -1,166 +1,166 @@
-/**
- * =============================================================================
- * LS-Y201 device driver class (Version 0.0.1)
- * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
- * January 2010
- * =============================================================================
- * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
- *
- * 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.
- * =============================================================================
- */
-
-#ifndef LS_Y201_H
-#define LS_Y201_H
-
-#include "mbed.h"
-#include "SerialBuffered.h"
-
-/**
- * Camera
- */
-class Camera_LS_Y201 {
-public:
-
- /**
- * Create.
- *
- * @param tx Transmitter.
- * @param rx Receiver.
- */
- Camera_LS_Y201(PinName tx, PinName rx);
-
- /**
- * Dispose.
- */
- ~Camera_LS_Y201();
-
- /**
- * Error code.
- */
- enum ErrorCode {
- NoError = 0,
- UnexpectedReply,
- Timeout,
- SendError,
- RecvError,
- InvalidArguments
- };
-
- /**
- * Image size.
- */
- enum ImageSize {
- ImageSize160x120, /**< 160x120. */
- ImageSize320x280, /**< 320x280. */
- ImageSize640x480 /**< 640x480. */
- };
-
- /**
- * Reset module.
- *
- * @return Error code.
- */
- ErrorCode reset();
-
- /**
- * Set image size.
- *
- * @param is Image size.
- * @return Error code.
- */
- ErrorCode setImageSize(ImageSize is);
-
- /**
- * Take picture.
- *
- * @return Error code.
- */
- ErrorCode takePicture();
-
- /**
- * Read jpeg file size.
- *
- * @param fileSize File size.
- * @return Error code.
- */
- ErrorCode readJpegFileSize(int *fileSize);
-
- /**
- * Read jpeg file content.
- *
- * @param func A pointer to a call back function.
- * @return Error code.
- */
- ErrorCode readJpegFileContent(void (*func)(int done, int total, uint8_t *buf, size_t siz));
-
- /**
- * Stop taking pictures.
- *
- * @return Error code.
- */
- ErrorCode stopTakingPictures();
-
-private:
- SerialBuffered serial;
-
- /**
- * Wait init end codes.
- *
- * @return Error code.
- */
- ErrorCode waitInitEnd();
-
- /**
- * Send bytes to camera module.
- *
- * @param buf Pointer to the data buffer.
- * @param len Length of the data buffer.
- *
- * @return True if the data sended.
- */
- bool sendBytes(uint8_t *buf, size_t len, int timeout_us);
-
- /**
- * Receive bytes from camera module.
- *
- * @param buf Pointer to the data buffer.
- * @param len Length of the data buffer.
- *
- * @return True if the data received.
- */
- bool recvBytes(uint8_t *buf, size_t len, int timeout_us);
-
- /**
- * Wait received.
- *
- * @return True if the data received.
- */
- bool waitRecv();
-
- /**
- * Wait idle state.
- *
- * @return True if it succeed.
- */
- bool waitIdle();
-
-};
-
-#endif
+/**
+ * =============================================================================
+ * LS-Y201 device driver class (Version 0.0.1)
+ * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
+ * January 2010
+ * =============================================================================
+ * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
+ *
+ * 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.
+ * =============================================================================
+ */
+
+#ifndef LS_Y201_H
+#define LS_Y201_H
+
+#include "mbed.h"
+#include "SerialBuffered.h"
+
+/**
+ * Camera
+ */
+class Camera_LS_Y201 {
+public:
+
+ /**
+ * Create.
+ *
+ * @param tx Transmitter.
+ * @param rx Receiver.
+ */
+ Camera_LS_Y201(PinName tx, PinName rx);
+
+ /**
+ * Dispose.
+ */
+ ~Camera_LS_Y201();
+
+ /**
+ * Error code.
+ */
+ enum ErrorCode {
+ NoError = 0,
+ UnexpectedReply,
+ Timeout,
+ SendError,
+ RecvError,
+ InvalidArguments
+ };
+
+ /**
+ * Image size.
+ */
+ enum ImageSize {
+ ImageSize160x120, /**< 160x120. */
+ ImageSize320x280, /**< 320x280. */
+ ImageSize640x480 /**< 640x480. */
+ };
+
+ /**
+ * Reset module.
+ *
+ * @return Error code.
+ */
+ ErrorCode reset();
+
+ /**
+ * Set image size.
+ *
+ * @param is Image size.
+ * @return Error code.
+ */
+ ErrorCode setImageSize(ImageSize is);
+
+ /**
+ * Take picture.
+ *
+ * @return Error code.
+ */
+ ErrorCode takePicture();
+
+ /**
+ * Read jpeg file size.
+ *
+ * @param fileSize File size.
+ * @return Error code.
+ */
+ ErrorCode readJpegFileSize(int *fileSize);
+
+ /**
+ * Read jpeg file content.
+ *
+ * @param func A pointer to a call back function.
+ * @return Error code.
+ */
+ ErrorCode readJpegFileContent(void (*func)(int done, int total, uint8_t *buf, size_t siz));
+
+ /**
+ * Stop taking pictures.
+ *
+ * @return Error code.
+ */
+ ErrorCode stopTakingPictures();
+
+private:
+ SerialBuffered serial;
+
+ /**
+ * Wait init end codes.
+ *
+ * @return Error code.
+ */
+ ErrorCode waitInitEnd();
+
+ /**
+ * Send bytes to camera module.
+ *
+ * @param buf Pointer to the data buffer.
+ * @param len Length of the data buffer.
+ *
+ * @return True if the data sended.
+ */
+ bool sendBytes(uint8_t *buf, size_t len, int timeout_us);
+
+ /**
+ * Receive bytes from camera module.
+ *
+ * @param buf Pointer to the data buffer.
+ * @param len Length of the data buffer.
+ *
+ * @return True if the data received.
+ */
+ bool recvBytes(uint8_t *buf, size_t len, int timeout_us);
+
+ /**
+ * Wait received.
+ *
+ * @return True if the data received.
+ */
+ bool waitRecv();
+
+ /**
+ * Wait idle state.
+ *
+ * @return True if it succeed.
+ */
+ bool waitIdle();
+
+};
+
+#endif
diff -r 43358d40f879 -r e92ce527b8b0 SerialBuffered.cpp
--- a/SerialBuffered.cpp Wed Dec 01 23:10:56 2010 +0000
+++ b/SerialBuffered.cpp Fri Oct 12 16:41:24 2012 +0000
@@ -1,127 +1,127 @@
-/**
- * =============================================================================
- * LS-Y201 device driver class (Version 0.0.1)
- * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
- * January 2010
- * =============================================================================
- * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
- *
- * 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 "mbed.h"
-#include "SerialBuffered.h"
-
-/**
- * Create a buffered serial class.
- *
- * @param tx A pin for transmit.
- * @param rx A pin for receive.
- */
-SerialBuffered::SerialBuffered(PinName tx, PinName rx) : Serial(tx, rx) {
- indexContentStart = 0;
- indexContentEnd = 0;
- timeout = 1;
- attach(this, &SerialBuffered::handleInterrupt);
-}
-
-/**
- * Destroy.
- */
-SerialBuffered::~SerialBuffered() {
-}
-
-/**
- * Set timeout for getc().
- *
- * @param ms milliseconds. (-1:Disable timeout)
- */
-void SerialBuffered::setTimeout(int ms) {
- timeout = ms;
-}
-
-/**
- * Read requested bytes.
- *
- * @param bytes A pointer to a buffer.
- * @param requested Length.
- *
- * @return Readed byte length.
- */
-size_t SerialBuffered::readBytes(uint8_t *bytes, size_t requested) {
- int i = 0;
- while (i < requested) {
- int c = getc();
- if (c < 0) {
- break;
- }
- bytes[i] = c;
- i++;
- }
- return i;
-}
-
-/**
- * Get a character.
- *
- * @return A character. (-1:timeout)
- */
-int SerialBuffered::getc() {
- timer.reset();
- timer.start();
- while (indexContentStart == indexContentEnd) {
- wait_ms(1);
- if ((timeout > 0) && (timer.read_ms() > timeout)) {
- /*
- * Timeout occured.
- */
- // printf("Timeout occured.\n");
- return EOF;
- }
- }
- timer.stop();
-
- uint8_t result = buffer[indexContentStart++];
- indexContentStart = indexContentStart % BUFFERSIZE;
-
- return result;
-}
-
-/**
- * Returns 1 if there is a character available to read, 0 otherwise.
- */
-int SerialBuffered::readable() {
- return indexContentStart != indexContentEnd;
-}
-
-void SerialBuffered::handleInterrupt() {
- while (Serial::readable()) {
- if (indexContentStart == ((indexContentEnd + 1) % BUFFERSIZE)) {
- /*
- * Buffer overrun occured.
- */
- // printf("Buffer overrun occured.\n");
- Serial::getc();
- } else {
- buffer[indexContentEnd++] = Serial::getc();
- indexContentEnd = indexContentEnd % BUFFERSIZE;
- }
- }
-}
+/**
+ * =============================================================================
+ * LS-Y201 device driver class (Version 0.0.1)
+ * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
+ * January 2010
+ * =============================================================================
+ * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
+ *
+ * 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 "mbed.h"
+#include "SerialBuffered.h"
+
+/**
+ * Create a buffered serial class.
+ *
+ * @param tx A pin for transmit.
+ * @param rx A pin for receive.
+ */
+SerialBuffered::SerialBuffered(PinName tx, PinName rx) : Serial(tx, rx) {
+ indexContentStart = 0;
+ indexContentEnd = 0;
+ timeout = 1;
+ attach(this, &SerialBuffered::handleInterrupt);
+}
+
+/**
+ * Destroy.
+ */
+SerialBuffered::~SerialBuffered() {
+}
+
+/**
+ * Set timeout for getc().
+ *
+ * @param ms milliseconds. (-1:Disable timeout)
+ */
+void SerialBuffered::setTimeout(int ms) {
+ timeout = ms;
+}
+
+/**
+ * Read requested bytes.
+ *
+ * @param bytes A pointer to a buffer.
+ * @param requested Length.
+ *
+ * @return Readed byte length.
+ */
+size_t SerialBuffered::readBytes(uint8_t *bytes, size_t requested) {
+ int i = 0;
+ while (i < requested) {
+ int c = getc();
+ if (c < 0) {
+ break;
+ }
+ bytes[i] = c;
+ i++;
+ }
+ return i;
+}
+
+/**
+ * Get a character.
+ *
+ * @return A character. (-1:timeout)
+ */
+int SerialBuffered::getc() {
+ timer.reset();
+ timer.start();
+ while (indexContentStart == indexContentEnd) {
+ wait_ms(1);
+ if ((timeout > 0) && (timer.read_ms() > timeout)) {
+ /*
+ * Timeout occured.
+ */
+ // printf("Timeout occured.\n");
+ return EOF;
+ }
+ }
+ timer.stop();
+
+ uint8_t result = buffer[indexContentStart++];
+ indexContentStart = indexContentStart % BUFFERSIZE;
+
+ return result;
+}
+
+/**
+ * Returns 1 if there is a character available to read, 0 otherwise.
+ */
+int SerialBuffered::readable() {
+ return indexContentStart != indexContentEnd;
+}
+
+void SerialBuffered::handleInterrupt() {
+ while (Serial::readable()) {
+ if (indexContentStart == ((indexContentEnd + 1) % BUFFERSIZE)) {
+ /*
+ * Buffer overrun occured.
+ */
+ // printf("Buffer overrun occured.\n");
+ Serial::getc();
+ } else {
+ buffer[indexContentEnd++] = Serial::getc();
+ indexContentEnd = indexContentEnd % BUFFERSIZE;
+ }
+ }
+}
diff -r 43358d40f879 -r e92ce527b8b0 SerialBuffered.h
--- a/SerialBuffered.h Wed Dec 01 23:10:56 2010 +0000
+++ b/SerialBuffered.h Fri Oct 12 16:41:24 2012 +0000
@@ -1,89 +1,89 @@
-/**
- * =============================================================================
- * LS-Y201 device driver class (Version 0.0.1)
- * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
- * January 2010
- * =============================================================================
- * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
- *
- * 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.
- * =============================================================================
- */
-
-#ifndef _SERIAL_BUFFERED_H_
-#define _SERIAL_BUFFERED_H_
-
-/**
- * Buffered serial class.
- */
-class SerialBuffered : public Serial {
-public:
- /**
- * Create a buffered serial class.
- *
- * @param tx A pin for transmit.
- * @param rx A pin for receive.
- */
- SerialBuffered(PinName tx, PinName rx);
-
- /**
- * Destroy.
- */
- virtual ~SerialBuffered();
-
- /**
- * Get a character.
- *
- * @return A character. (-1:timeout)
- */
- int getc();
-
- /**
- * Returns 1 if there is a character available to read, 0 otherwise.
- */
- int readable();
-
- /**
- * Set timeout for getc().
- *
- * @param ms milliseconds. (-1:Disable timeout)
- */
- void setTimeout(int ms);
-
- /**
- * Read requested bytes.
- *
- * @param bytes A pointer to a buffer.
- * @param requested Length.
- *
- * @return Readed byte length.
- */
- size_t readBytes(uint8_t *bytes, size_t requested);
-
-private:
- void handleInterrupt();
- static const int BUFFERSIZE = 4096;
- uint8_t buffer[BUFFERSIZE]; // points at a circular buffer, containing data from m_contentStart, for m_contentSize bytes, wrapping when you get to the end
- uint16_t indexContentStart; // index of first bytes of content
- uint16_t indexContentEnd; // index of bytes after last byte of content
- int timeout;
- Timer timer;
-};
-
-#endif
+/**
+ * =============================================================================
+ * LS-Y201 device driver class (Version 0.0.1)
+ * Reference documents: LinkSprite JPEG Color Camera Serial UART Interface
+ * January 2010
+ * =============================================================================
+ * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
+ *
+ * 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.
+ * =============================================================================
+ */
+
+#ifndef _SERIAL_BUFFERED_H_
+#define _SERIAL_BUFFERED_H_
+
+/**
+ * Buffered serial class.
+ */
+class SerialBuffered : public Serial {
+public:
+ /**
+ * Create a buffered serial class.
+ *
+ * @param tx A pin for transmit.
+ * @param rx A pin for receive.
+ */
+ SerialBuffered(PinName tx, PinName rx);
+
+ /**
+ * Destroy.
+ */
+ virtual ~SerialBuffered();
+
+ /**
+ * Get a character.
+ *
+ * @return A character. (-1:timeout)
+ */
+ int getc();
+
+ /**
+ * Returns 1 if there is a character available to read, 0 otherwise.
+ */
+ int readable();
+
+ /**
+ * Set timeout for getc().
+ *
+ * @param ms milliseconds. (-1:Disable timeout)
+ */
+ void setTimeout(int ms);
+
+ /**
+ * Read requested bytes.
+ *
+ * @param bytes A pointer to a buffer.
+ * @param requested Length.
+ *
+ * @return Readed byte length.
+ */
+ size_t readBytes(uint8_t *bytes, size_t requested);
+
+private:
+ void handleInterrupt();
+ static const int BUFFERSIZE = 4096;
+ uint8_t buffer[BUFFERSIZE]; // points at a circular buffer, containing data from m_contentStart, for m_contentSize bytes, wrapping when you get to the end
+ uint16_t indexContentStart; // index of first bytes of content
+ uint16_t indexContentEnd; // index of bytes after last byte of content
+ int timeout;
+ Timer timer;
+};
+
+#endif