CameraC328
Dependents: CameraC328_TestProgram CameraC328_Thresholding Camera_TestProgram_2015 Camera_TestProgram_2015 ... more
Revision 14:640f564075af, committed 2010-10-13
- Comitter:
- shintamainjp
- Date:
- Wed Oct 13 10:42:48 2010 +0000
- Parent:
- 13:17cf1e2015f7
- Child:
- 15:49cfda6c547f
- Commit message:
- First version.
Changed in this revision
--- a/CameraC328.cpp Fri Sep 17 11:15:37 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,720 +0,0 @@ -/** - * C328-7640 device driver class (Version 0.0.6) - * Reference documents: C328-7640 User Manual v3.0 2004.8.19 - * - * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) - * http://shinta.main.jp/ - */ - -#include "CameraC328.h" - -#define WAITIDLE waitIdle -#define SENDFUNC sendBytes -#define RECVFUNC recvBytes -#define WAITFUNC waitRecv - -/** - * Constructor. - * - * @param tx A pin for transmit. - * @param rx A pin for receive. - * @param baud Baud rate. (Default is Baud19200.) - */ -CameraC328::CameraC328(PinName tx, PinName rx, Baud baud) : serial(tx, rx) { - serial.baud((int)baud); -} - -/** - * Destructor. - */ -CameraC328::~CameraC328() { -} - -/** - * Make a sync. for baud rate. - */ -CameraC328::ErrorNumber CameraC328::sync() { - WAITIDLE(); - - for (int i = 0; i < SYNCMAX; i++) { - if (NoError == sendSync()) { - if (NoError == recvAckOrNck()) { - if (NoError == recvSync()) { - if (NoError == sendAck(0x0D, 0x00)) { - /* - * After synchronization, the camera needs a little time for AEC and AGC to be stable. - * Users should wait for 1-2 seconds before capturing the first picture. - */ - wait(2); - return NoError; - } - } - } - } - wait_ms(50); - } - return UnexpectedReply; -} - -/** - * Initialize. - * - * @param ct Color type. - * @param rr Raw resolution. - * @param jr JPEG resolution. - */ -CameraC328::ErrorNumber CameraC328::init(ColorType ct, RawResolution rr, JpegResolution jr) { - WAITIDLE(); - ErrorNumber en; - - en = sendInitial(ct, rr, jr); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - - static bool alreadySetupPackageSize = false; - if (!alreadySetupPackageSize) { - en = sendSetPackageSize(packageSize); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - alreadySetupPackageSize = true; - } - - return (ErrorNumber)NoError; -} - -/** - * Get uncompressed snapshot picture. - * - * @param func A pointer to a callback function. - * Please do NOT block this callback function. - * Because the camera module transmit image datas continuously. - * @return Status of the error. - */ -CameraC328::ErrorNumber CameraC328::getUncompressedSnapshotPicture(void(*func)(size_t done, size_t total, char c)) { - WAITIDLE(); - ErrorNumber en; - - en = sendSnapshot(UncompressedPicture, 0); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - - en = sendGetPicture(SnapshotPicture); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - - /* - * image data - */ - DataType dt; - uint32_t length = 0; - WAITFUNC(); - en = recvData(&dt, &length); - if (NoError != en) { - return en; - } - size_t imgcnt = 0; - for (int i = 0; i < (int)length; i++) { - char c; - WAITFUNC(); - if (!RECVFUNC(&c, 1)) { - return (ErrorNumber)UnexpectedReply; - } - imgcnt++; - - /* - * Call a call back function. - * Please do not block this function. - */ - func(imgcnt, length, c); - } - - /* - * ACK - */ - en = sendAck(0x0A, 0x00); - if (NoError != en) { - return en; - } - - return (ErrorNumber)NoError; -} - -/** - * Get uncompressed preview picture. - * - * @param func A pointer to a callback function. - * Please do NOT block this callback function. - * Because the camera module transmit image datas continuously. - * @return Status of the error. - */ -CameraC328::ErrorNumber CameraC328::getUncompressedPreviewPicture(void(*func)(size_t done, size_t total, char c)) { - WAITIDLE(); - ErrorNumber en; - - en = sendGetPicture(PreviewPicture); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - - /* - * image data - */ - DataType dt; - uint32_t length = 0; - WAITFUNC(); - en = recvData(&dt, &length); - if (NoError != en) { - return en; - } - size_t imgcnt = 0; - for (int i = 0; i < (int)length; i++) { - char c; - WAITFUNC(); - if (!RECVFUNC(&c, 1)) { - return (ErrorNumber)UnexpectedReply; - } - imgcnt++; - - /* - * Call a call back function. - * Please do not block this function. - */ - func(imgcnt, length, c); - } - - /* - * ACK - */ - en = sendAck(0x0A, 0x00); - if (NoError != en) { - return en; - } - - return (ErrorNumber)NoError; -} - -/** - * Get JPEG snapshot picture. - * - * @param func A pointer to a callback function. - * You can block this function until saving the image datas. - * @return Status of the error. - */ -CameraC328::ErrorNumber CameraC328::getJpegSnapshotPicture(void(*func)(char *buf, size_t siz)) { - WAITIDLE(); - ErrorNumber en; - - en = sendSnapshot(CompressedPicture, 1); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - - en = sendGetPicture(SnapshotPicture); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - - /* - * Data : snapshot picture - */ - DataType dt; - uint32_t length = 0; - WAITFUNC(); - en = recvData(&dt, &length); - if (NoError != en) { - return en; - } - en = sendAck(0x00, 0); - if (NoError != en) { - return en; - } - - char databuf[packageSize - 6]; - uint16_t pkg_total = length / (packageSize - 6); - for (int i = 0; i <= (int)pkg_total; i++) { - uint16_t checksum = 0; - // ID. - char idbuf[2]; - WAITFUNC(); - if (!RECVFUNC(idbuf, sizeof(idbuf))) { - return (ErrorNumber)UnexpectedReply; - } - checksum += idbuf[0]; - checksum += idbuf[1]; - uint16_t id = (idbuf[1] << 8) | (idbuf[0] << 0); - if (id != i) { - return (ErrorNumber)UnexpectedReply; - } - - // Size of the data. - char dsbuf[2]; - WAITFUNC(); - if (!RECVFUNC(dsbuf, sizeof(dsbuf))) { - return (ErrorNumber)UnexpectedReply; - } - - // Received the data. - checksum += dsbuf[0]; - checksum += dsbuf[1]; - uint16_t ds = (dsbuf[1] << 8) | (dsbuf[0] << 0); - WAITFUNC(); - if (!RECVFUNC(&databuf[0], ds)) { - return (ErrorNumber)UnexpectedReply; - } - for (int j = 0; j < ds; j++) { - checksum += databuf[j]; - } - - // Verify code. - char vcbuf[2]; - WAITFUNC(); - if (!RECVFUNC(vcbuf, sizeof(vcbuf))) { - return (ErrorNumber)UnexpectedReply; - } - uint16_t vc = (vcbuf[1] << 8) | (vcbuf[0] << 0); - if (vc != (checksum & 0xff)) { - return (ErrorNumber)UnexpectedReply; - } - - /* - * Call a call back function. - * You can block this function while working. - */ - func(databuf, ds); - - /* - * We should wait for camera working before reply a ACK. - */ - wait_ms(100); - en = sendAck(0x00, 1 + i); - if (NoError != en) { - return en; - } - } - - return (ErrorNumber)NoError; -} - -/** - * Get JPEG preview picture. - * - * @param func A pointer to a callback function. - * You can block this function until saving the image datas. - * @return Status of the error. - */ -CameraC328::ErrorNumber CameraC328::getJpegPreviewPicture(void(*func)(char *buf, size_t siz)) { - WAITIDLE(); - ErrorNumber en; - - en = sendGetPicture(JpegPreviewPicture); - if (NoError != en) { - return en; - } - WAITFUNC(); - en = recvAckOrNck(); - if (NoError != en) { - return en; - } - - /* - * Data : JPEG preview picture - */ - DataType dt; - uint32_t length = 0; - WAITFUNC(); - en = recvData(&dt, &length); - if (NoError != en) { - return en; - } - en = sendAck(0x00, 0); - if (NoError != en) { - return en; - } - - char databuf[packageSize - 6]; - uint16_t pkg_total = length / (packageSize - 6); - for (int i = 0; i <= (int)pkg_total; i++) { - uint16_t checksum = 0; - // ID. - char idbuf[2]; - WAITFUNC(); - if (!RECVFUNC(idbuf, sizeof(idbuf))) { - return (ErrorNumber)UnexpectedReply; - } - checksum += idbuf[0]; - checksum += idbuf[1]; - uint16_t id = (idbuf[1] << 8) | (idbuf[0] << 0); - if (id != i) { - return (ErrorNumber)UnexpectedReply; - } - - // Size of the data. - char dsbuf[2]; - WAITFUNC(); - if (!RECVFUNC(dsbuf, sizeof(dsbuf))) { - return (ErrorNumber)UnexpectedReply; - } - - // Received the data. - checksum += dsbuf[0]; - checksum += dsbuf[1]; - uint16_t ds = (dsbuf[1] << 8) | (dsbuf[0] << 0); - WAITFUNC(); - if (!RECVFUNC(&databuf[0], ds)) { - return (ErrorNumber)UnexpectedReply; - } - for (int j = 0; j < ds; j++) { - checksum += databuf[j]; - } - - // Verify code. - char vcbuf[2]; - WAITFUNC(); - if (!RECVFUNC(vcbuf, sizeof(vcbuf))) { - return (ErrorNumber)UnexpectedReply; - } - uint16_t vc = (vcbuf[1] << 8) | (vcbuf[0] << 0); - if (vc != (checksum & 0xff)) { - return (ErrorNumber)UnexpectedReply; - } - - /* - * Call a call back function. - * You can block this function while working. - */ - func(databuf, ds); - - /* - * We should wait for camera working before reply a ACK. - */ - wait_ms(100); - en = sendAck(0x00, 1 + i); - if (NoError != en) { - return en; - } - } - - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendInitial(ColorType ct, RawResolution rr, JpegResolution jr) { - char send[COMMAND_LENGTH]; - - send[0] = 0xAA; - send[1] = 0x01; - send[2] = 0x00; - send[3] = (char)ct; - send[4] = (char)rr; - send[5] = (char)jr; - - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendGetPicture(PictureType pt) { - char send[COMMAND_LENGTH]; - - send[0] = 0xAA; - send[1] = 0x04; - send[2] = (char)pt; - send[3] = 0x00; - send[4] = 0x00; - send[5] = 0x00; - - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendSnapshot(SnapshotType st, uint16_t skipFrames) { - char send[COMMAND_LENGTH]; - send[0] = 0xAA; - send[1] = 0x05; - send[2] = (char)st; - send[3] = (skipFrames >> 0) & 0xff; - send[4] = (skipFrames >> 8) & 0xff; - send[5] = 0x00; - - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendSetPackageSize(uint16_t packageSize) { - char send[COMMAND_LENGTH]; - send[0] = 0xAA; - send[1] = 0x06; - send[2] = 0x08; - send[3] = (packageSize >> 0) & 0xff; - send[4] = (packageSize >> 8) & 0xff; - send[5] = 0x00; - - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendSetBaudrate(Baud baud) { - char send[COMMAND_LENGTH]; - - static struct baud_list { - Baud baud; - uint8_t div1st; - uint8_t div2nd; - } baudtable [] = { - { Baud7200, 0xff, 0x01 }, - { Baud9600, 0xbf, 0x01 }, - { Baud14400, 0x7f, 0x01 }, - { Baud19200, 0x5f, 0x01 }, - { Baud28800, 0x3f, 0x01 }, - { Baud38400, 0x2f, 0x01 }, - { Baud57600, 0x1f, 0x01 }, - { Baud115200, 0x0f, 0x01 } - }; - - uint8_t div1st = 0x00, div2nd = 0x00; - struct baud_list *p = &baudtable[0]; - for (int i = 0; i < sizeof(baudtable) / sizeof(baudtable[0]); i++) { - if (p->baud == baud) { - div1st = p->div1st; - div2nd = p->div2nd; - } - p++; - } - - send[0] = 0xAA; - send[1] = 0x07; - send[2] = div1st; - send[3] = div2nd; - send[4] = 0x00; - send[5] = 0x00; - - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendReset(ResetType rt, bool specialReset) { - char send[COMMAND_LENGTH]; - send[0] = 0xAA; - send[1] = 0x08; - send[2] = (int)rt; - send[3] = 0x00; - send[4] = 0x00; - send[5] = specialReset ? 0xff : 0x00; - /* - * Special reset : If the parameter is 0xFF, the command is a special Reset command and the firmware responds to it immediately. - */ - - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendPowerOff() { - char send[COMMAND_LENGTH]; - send[0] = 0xAA; - send[1] = 0x09; - send[2] = 0x00; - send[3] = 0x00; - send[4] = 0x00; - send[5] = 0x00; - - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::recvData(DataType *dt, uint32_t *length) { - char recv[COMMAND_LENGTH]; - if (!RECVFUNC(recv, sizeof(recv))) { - return (ErrorNumber)UnexpectedReply; - } - if ((0xAA != recv[0]) || (0x0A != recv[1])) { - return (ErrorNumber)UnexpectedReply; - } - *dt = (DataType)recv[2]; - *length = (recv[5] << 16) | (recv[4] << 8) | (recv[3] << 0); - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::sendSync() { - char send[COMMAND_LENGTH]; - send[0] = 0xAA; - send[1] = 0x0D; - send[2] = 0x00; - send[3] = 0x00; - send[4] = 0x00; - send[5] = 0x00; - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - return (ErrorNumber)NoError; -} - -CameraC328::ErrorNumber CameraC328::recvSync() { - char recv[COMMAND_LENGTH]; - if (!RECVFUNC(recv, sizeof(recv))) { - return (ErrorNumber)UnexpectedReply; - } - if ((0xAA != recv[0]) || (0x0D != recv[1])) { - return (ErrorNumber)UnexpectedReply; - } - return (ErrorNumber)NoError; -} - -/** - * Send ACK. - * - * @param commandId The command with that ID is acknowledged by this command. - * @param packageId For acknowledging Data command, these two bytes represent the requested package ID. While for acknowledging other commands, these two bytes are set to 00h. - */ -CameraC328::ErrorNumber CameraC328::sendAck(uint8_t commandId, uint16_t packageId) { - char send[COMMAND_LENGTH]; - send[0] = 0xAA; - send[1] = 0x0E; - send[2] = commandId; - send[3] = 0x00; // ACK counter is not used. - send[4] = (packageId >> 0) & 0xff; - send[5] = (packageId >> 8) & 0xff; - if (!SENDFUNC(send, sizeof(send))) { - return (ErrorNumber)SendRegisterTimeout; - } - return (ErrorNumber)NoError; -} - -/** - * Receive ACK or NCK. - * - * @return Error number. - */ -CameraC328::ErrorNumber CameraC328::recvAckOrNck() { - char recv[COMMAND_LENGTH]; - if (!RECVFUNC(recv, sizeof(recv))) { - return (ErrorNumber)UnexpectedReply; - } - if ((0xAA == recv[0]) && (0x0E == recv[1])) { - return (ErrorNumber)NoError; - } - if ((0xAA == recv[0]) && (0x0F == recv[1])) { - return (ErrorNumber)recv[4]; - } - return (ErrorNumber)UnexpectedReply; -} - -/** - * 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 CameraC328::sendBytes(char *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 CameraC328::recvBytes(char *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 CameraC328::waitRecv() { - while (!serial.readable()) { - } - return true; -} - -/** - * Wait idle state. - */ -bool CameraC328::waitIdle() { - while (serial.readable()) { - serial.getc(); - } - return true; -}
--- a/CameraC328.h Fri Sep 17 11:15:37 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,217 +0,0 @@ -/** - * C328-7640 device driver class (Version 0.0.6) - * Reference documents: C328-7640 User Manual v3.0 2004.8.19 - * - * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) - * http://shinta.main.jp/ - */ - -#include "mbed.h" -#include "SerialBuffered.h" - -#ifndef _CAMERA_C328_H_ -#define _CAMERA_C328_H_ - -/* - * Class: CameraC328 - */ -class CameraC328 { -public: - - /** - * Color type. - */ - enum ColorType { - GrayScale2bit = 0x01, // 2bit for Y only - GrayScale4bit = 0x02, // 4bit for Y only - GrayScale8bit = 0x03, // 8bit for Y only - Color12bit = 0x05, // 444 (RGB) - Color16bit = 0x06, // 565 (RGB) - Jpeg = 0x07 - }; - - /** - * Raw resolution. - */ - enum RawResolution { - RawResolution80x60 = 0x01, - RawResolution160x120 = 0x03 - }; - - /** - * JPEG resolution. - */ - enum JpegResolution { - JpegResolution80x64 = 0x01, - JpegResolution160x128 = 0x03, - JpegResolution320x240 = 0x05, - JpegResolution640x480 = 0x07 - }; - - /** - * Error number. - */ - enum ErrorNumber { - NoError = 0x00, - PictureTypeError = 0x01, - PictureUpScale = 0x02, - PictureScaleError = 0x03, - UnexpectedReply = 0x04, - SendPictureTimeout = 0x05, - UnexpectedCommand = 0x06, - SramJpegTypeError = 0x07, - SramJpegSizeError = 0x08, - PictureFormatError = 0x09, - PictureSizeError = 0x0a, - ParameterError = 0x0b, - SendRegisterTimeout = 0x0c, - CommandIdError = 0x0d, - PictureNotReady = 0x0f, - TransferPackageNumberError = 0x10, - SetTransferPackageSizeWrong = 0x11, - CommandHeaderError = 0xf0, - CommandLengthError = 0xf1, - SendPictureError = 0xf5, - SendCommandError = 0xff - }; - - /** - * Picture type. - */ - enum PictureType { - SnapshotPicture = 0x01, - PreviewPicture = 0x02, - JpegPreviewPicture = 0x05 - }; - - /** - * Snapshot type. - */ - enum SnapshotType { - CompressedPicture = 0x00, - UncompressedPicture = 0x01 - }; - - /** - * Baud rate. - */ - enum Baud { - Baud7200 = 7200, - Baud9600 = 9600, - Baud14400 = 14400, - Baud19200 = 19200, // Default. - Baud28800 = 28800, - Baud38400 = 38400, - Baud57600 = 57600, - Baud115200 = 115200 - }; - - /** - * Reset type. - */ - enum ResetType { - ResetWholeSystem = 0x00, - ResetStateMachines = 0x01 - }; - - /** - * Data type. - */ - enum DataType { - DataTypeSnapshotPicture = 0x01, - DataTypePreviewPicture = 0x02, - DataTypeJpegPreviewPicture = 0x05 - }; - - /** - * Constructor. - * - * @param tx A pin for transmit. - * @param rx A pin for receive. - * @param baud Baud rate. (Default is Baud19200.) - */ - CameraC328(PinName tx, PinName rx, Baud baud = Baud19200); - - /** - * Destructor. - */ - ~CameraC328(); - - /** - * Make a sync. for baud rate. - */ - ErrorNumber sync(); - - /** - * Initialize. - * - * @param ct Color type. - * @param rr Raw resolution. - * @param jr JPEG resolution. - */ - ErrorNumber init(ColorType ct, RawResolution rr, JpegResolution jr); - - /** - * Get uncompressed snapshot picture. - * - * @param func A pointer to a callback function. - * Please do NOT block this callback function. - * Because the camera module transmit image datas continuously. - * @return Status of the error. - */ - ErrorNumber getUncompressedSnapshotPicture(void(*func)(size_t done, size_t total, char c)); - - /** - * Get uncompressed preview picture. - * - * @param func A pointer to a callback function. - * Please do NOT block this callback function. - * Because the camera module transmit image datas continuously. - * @return Status of the error. - */ - ErrorNumber getUncompressedPreviewPicture(void(*func)(size_t done, size_t total, char c)); - - /** - * Get JPEG snapshot picture. - * - * @param func A pointer to a callback function. - * You can block this function until saving the image datas. - * @return Status of the error. - */ - ErrorNumber getJpegSnapshotPicture(void(*func)(char *buf, size_t siz)); - - /** - * Get JPEG preview picture. - * - * @param func A pointer to a callback function. - * You can block this function until saving the image datas. - * @return Status of the error. - */ - ErrorNumber getJpegPreviewPicture(void(*func)(char *buf, size_t siz)); - -private: - SerialBuffered serial; - static const int COMMAND_LENGTH = 6; - static const int SYNCMAX = 60; - static const int packageSize = 512; - - ErrorNumber sendInitial(ColorType ct, RawResolution rr, JpegResolution jr); - ErrorNumber sendGetPicture(PictureType pt); - ErrorNumber sendSnapshot(SnapshotType st, uint16_t skipFrames); - ErrorNumber sendSetPackageSize(uint16_t packageSize); - ErrorNumber sendSetBaudrate(Baud baud); - ErrorNumber sendReset(ResetType rt, bool specialReset); - ErrorNumber sendPowerOff(); - ErrorNumber recvData(DataType *dt, uint32_t *length); - ErrorNumber sendSync(); - ErrorNumber recvSync(); - ErrorNumber sendAck(uint8_t commandId, uint16_t packageId); - ErrorNumber recvAckOrNck(); - - bool sendBytes(char *buf, size_t len, int timeout_us = 20000); - bool recvBytes(char *buf, size_t len, int timeout_us = 20000); - bool waitRecv(); - bool waitIdle(); -}; - -#endif
--- a/SerialBuffered.cpp Fri Sep 17 11:15:37 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,99 +0,0 @@ -#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; - } - } -}
--- a/SerialBuffered.h Fri Sep 17 11:15:37 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,61 +0,0 @@ -#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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/extlib/FATFileSystem.lib Wed Oct 13 10:42:48 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_unsupported/code/fatfilesystem/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/extlib/SDFileSystem.lib Wed Oct 13 10:42:48 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/SDFileSystem/#b1ddfc9a9b25
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Oct 13 10:42:48 2010 +0000 @@ -0,0 +1,245 @@ +/** + * Test program. + * + * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) + * http://shinta.main.jp/ + */ + +/* + * Include files. + */ + +#include "mbed.h" +#include "CameraC328.h" +#include "SDFileSystem.h" + +/* + * Definitions. + */ +#define USE_JPEG_HIGH_RESOLUTION 1 +#define USE_SD_CARD 0 + +/* + * Variables. + */ +static const int CAPTURE_FRAMES = 5; +static const int RAWIMG_X = 80; +static const int RAWIMG_Y = 60; +static char buf[RAWIMG_X * RAWIMG_Y * 2]; +static FILE *fp_jpeg; + +/* + * Modules. + */ +#if USE_SD_CARD +SDFileSystem sd(p5, p6, p7, p8, "fs"); +#else +LocalFileSystem fs("fs"); +#endif +CameraC328 camera(p9, p10, CameraC328::Baud19200); + +/** + * A callback function for uncompressed images. + * Please do NOT block this callback function. + * Because the camera module transmit image datas continuously. + * + * @param done a done number of packets. + * @param total a total number of packets. + * @param c received data. + */ +void uncompressed_callback(size_t done, size_t total, char c) { + buf[done - 1] = c; +} + +/** + * A callback function for jpeg images. + * You can block this function until saving the image datas. + * + * @param buf A pointer to the image buffer. + * @param siz A size of the image buffer. + */ +void jpeg_callback(char *buf, size_t siz) { + for (int i = 0; i < (int)siz; i++) { + fprintf(fp_jpeg, "%c", buf[i]); + } +} + +/** + * Synchronizing. + */ +void sync(void) { + CameraC328::ErrorNumber err = CameraC328::NoError; + + err = camera.sync(); + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::sync\n"); + } else { + printf("[FAIL] : CameraC328::sync (Error=%02X)\n", (int)err); + } +} + +/** + * A test function for uncompressed snapshot picture. + */ +void test_uncompressed_snapshot_picture(void) { + CameraC328::ErrorNumber err = CameraC328::NoError; + + err = camera.init(CameraC328::Color16bit, CameraC328::RawResolution80x60, CameraC328::JpegResolution160x128); + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::init\n"); + } else { + printf("[FAIL] : CameraC328::init (Error=%02X)\n", (int)err); + } + + for (int i = 0; i < CAPTURE_FRAMES; i++) { + err = camera.getUncompressedSnapshotPicture(uncompressed_callback); + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::getUncompressedSnapshotPicture\n"); + } else { + printf("[FAIL] : CameraC328::getUncompressedSnapshotPicture (Error=%02X)\n", (int)err); + } + + char fname[64]; + snprintf(fname, sizeof(fname), "/fs/ucss%04d.ppm", i); + FILE *fp = fopen(fname, "w"); + fprintf(fp, "P3\n"); + fprintf(fp, "%d %d\n", RAWIMG_X, RAWIMG_Y); + fprintf(fp, "%d\n", 255); + for (int y = 0; y < RAWIMG_Y; y++) { + for (int x = 0; x < RAWIMG_X; x++) { + int adrofs = y * (RAWIMG_X * 2) + (x * 2); + uint16_t dat = (buf[adrofs + 0] << 8) | (buf[adrofs + 1] << 0); + uint8_t r = ((dat >> 11) & 0x1f) << 3; + uint8_t g = ((dat >> 5) & 0x3f) << 2; + uint8_t b = ((dat >> 0) & 0x1f) << 3; + fprintf(fp,"%d %d %d\n", r, g, b); + } + } + fclose(fp); + } +} + +/** + * A test function for uncompressed preview picture. + */ +void test_uncompressed_preview_picture(void) { + CameraC328::ErrorNumber err = CameraC328::NoError; + + err = camera.init(CameraC328::Color16bit, CameraC328::RawResolution80x60, CameraC328::JpegResolution160x128); + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::init\n"); + } else { + printf("[FAIL] : CameraC328::init (Error=%02X)\n", (int)err); + } + + for (int i = 0; i < CAPTURE_FRAMES; i++) { + err = camera.getUncompressedPreviewPicture(uncompressed_callback); + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::getUncompressedPreviewPicture\n"); + } else { + printf("[FAIL] : CameraC328::getUncompressedPreviewPicture (Error=%02X)\n", (int)err); + } + + char fname[64]; + snprintf(fname, sizeof(fname), "/fs/ucpv%04d.ppm", i); + FILE *fp = fopen(fname, "w"); + fprintf(fp, "P3\n"); + fprintf(fp, "%d %d\n", RAWIMG_X, RAWIMG_Y); + fprintf(fp, "%d\n", 255); + for (int y = 0; y < RAWIMG_Y; y++) { + for (int x = 0; x < RAWIMG_X; x++) { + int adrofs = y * (RAWIMG_X * 2) + (x * 2); + uint16_t dat = (buf[adrofs + 0] << 8) | (buf[adrofs + 1] << 0); + uint8_t r = ((dat >> 11) & 0x1f) << 3; + uint8_t g = ((dat >> 5) & 0x3f) << 2; + uint8_t b = ((dat >> 0) & 0x1f) << 3; + fprintf(fp,"%d %d %d\n", r, g, b); + } + } + fclose(fp); + } +} + +/** + * A test function for jpeg snapshot picture. + */ +void test_jpeg_snapshot_picture(void) { + CameraC328::ErrorNumber err = CameraC328::NoError; + +#if USE_JPEG_HIGH_RESOLUTION + err = camera.init(CameraC328::Jpeg, CameraC328::RawResolution80x60, CameraC328::JpegResolution640x480); +#else + err = camera.init(CameraC328::Jpeg, CameraC328::RawResolution80x60, CameraC328::JpegResolution320x240); +#endif + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::init\n"); + } else { + printf("[FAIL] : CameraC328::init (Error=%02X)\n", (int)err); + } + + for (int i = 0; i < CAPTURE_FRAMES; i++) { + char fname[64]; + snprintf(fname, sizeof(fname), "/fs/jpss%04d.jpg", i); + fp_jpeg = fopen(fname, "w"); + + err = camera.getJpegSnapshotPicture(jpeg_callback); + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::getJpegSnapshotPicture\n"); + } else { + printf("[FAIL] : CameraC328::getJpegSnapshotPicture (Error=%02X)\n", (int)err); + } + + fclose(fp_jpeg); + } +} + +/** + * A test function for jpeg preview picture. + */ +void test_jpeg_preview_picture(void) { + CameraC328::ErrorNumber err = CameraC328::NoError; + +#if USE_JPEG_HIGH_RESOLUTION + err = camera.init(CameraC328::Jpeg, CameraC328::RawResolution80x60, CameraC328::JpegResolution640x480); +#else + err = camera.init(CameraC328::Jpeg, CameraC328::RawResolution80x60, CameraC328::JpegResolution320x240); +#endif + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::init\n"); + } else { + printf("[FAIL] : CameraC328::init (Error=%02X)\n", (int)err); + } + + for (int i = 0; i < CAPTURE_FRAMES; i++) { + char fname[64]; + snprintf(fname, sizeof(fname), "/fs/jppv%04d.jpg", i); + fp_jpeg = fopen(fname, "w"); + + err = camera.getJpegPreviewPicture(jpeg_callback); + if (CameraC328::NoError == err) { + printf("[ OK ] : CameraC328::getJpegPreviewPicture\n"); + } else { + printf("[FAIL] : CameraC328::getJpegPreviewPicture (Error=%02X)\n", (int)err); + } + + fclose(fp_jpeg); + } +} + +/** + * A entry point. + */ +int main() { + printf("\n"); + printf("==========\n"); + printf("CameraC328\n"); + printf("==========\n"); + + sync(); + test_uncompressed_snapshot_picture(); + test_uncompressed_preview_picture(); + test_jpeg_preview_picture(); + test_jpeg_snapshot_picture(); + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Oct 13 10:42:48 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e