diff options
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 27 |
1 files changed, 21 insertions, 6 deletions
@@ -27,13 +27,23 @@ The Legato serial API [`le_tty`](http://legato.io/legato-docs/latest/le__tty_8h. ## API ```c -LE_SHARED le_result_t openCameraFd (const char *path, int *fd, tty_Speed_t baud, int nBytes, int timeout); -LE_SHARED void sendCommand (Camera *cam, uint8_t cmd, uint8_t args[], uint8_t nArgs); -LE_SHARED bool runCommand (Camera *cam, uint8_t cmd, uint8_t args[], uint8_t nArgs, uint8_t respLen, bool flushFlag); -LE_SHARED bool runCommandFlush (Camera *cam, uint8_t cmd, uint8_t args[], uint8_t nArgs, uint8_t respLen); -LE_SHARED uint8_t readResponse (Camera *cam, uint8_t nBytes, uint8_t timeout); +// File descriptor helpers +LE_SHARED le_result_t fd_openCam (int *fd); +LE_SHARED void fd_closeCam (int fd); +LE_SHARED le_result_t fd_resetCamTty (int *fd); +ssize_t fd_getByte (int fd, uint8_t *data); +ssize_t fd_dataAvail (int fd, int *data); + +// Camera communication functions +void sendCommand (Camera *cam, uint8_t cmd, uint8_t args[], uint8_t nArgs); +bool runCommand (Camera *cam, uint8_t cmd, uint8_t args[], uint8_t nArgs, uint8_t respLen, bool flushFlag); +bool runCommandFlush (Camera *cam, uint8_t cmd, uint8_t args[], uint8_t nArgs, uint8_t respLen); +uint8_t readResponse (Camera *cam, uint8_t nBytes, uint8_t timeout); +bool verifyResponse (Camera *cam, uint8_t cmd); + +// High level commands to be called by +// another component that requires this one LE_SHARED void printBuffer (Camera *cam); -LE_SHARED bool verifyResponse (Camera *cam, uint8_t cmd); LE_SHARED bool cameraFrameBuffCtrl (Camera *cam, uint8_t cmd); LE_SHARED bool takePicture (Camera *cam); LE_SHARED bool reset (Camera *cam); @@ -57,6 +67,11 @@ LE_SHARED uint8_t getCompression (Camera *cam); LE_SHARED bool setCompression(Camera *cam, uint8_t c); LE_SHARED bool getPTZ(Camera *cam, uint16_t *w, uint16_t *h, uint16_t *wz, uint16_t *hz, uint16_t *pan, uint16_t *tilt); LE_SHARED bool setPTZ(Camera *cam, uint16_t wz, uint16_t hz, uint16_t pan, uint16_t tilt); + +// File stream functions for reading photos +uint8_t getImageBlockSize (int jpgLen); +bool readImageBlock (Camera *cam, FILE *filePtr); +bool readImageToFile (Camera *cam, char *path); LE_SHARED bool snapshotToFile (Camera *cam, char *path, uint8_t imgSize); ``` |