void hmi3d_message_handle(hmi_t *hmi, const void *msg, int size) {
/* NOTE messages are ensured to have a size of at least 4 bytes */
const unsigned char *data = (const unsigned char*)msg;
switch(GET_U8(data+3)) {
case hmi3d_msg_System_Status:
hmi3d_handle_system_status(hmi, data, size);
break;
#if !defined(HMI3D_NO_FW_VERSION) || !defined(HMI3D_NO_UPDATE)
case hmi3d_msg_Fw_Version_Info:
hmi3d_handle_version_info(hmi, data, size);
break;
#endif
#ifndef HMI3D_NO_DATA_RETRIEVAL
case hmi3d_msg_Sensor_Data_Output:
hmi3d_handle_data_output(hmi, data);
break;
#endif
#ifndef HMI3D_NO_RTC
case hmi3d_msg_Set_Runtime_Parameter:
hmi3d_handle_runtime_parameter(hmi, data);
break;
#endif
default:
break;
}
}
void hmi2d_handle_fw_version(hmi_t *hmi, const unsigned char *msg)
{
int size = msg[1];
const unsigned char *data = msg + 2;
hmi2d_version_request_t *request;
hmi2d_version_info_t *version;
if(size != 128) {
HMI_BAD_DATA("hmi2d_handle_fw_version",
"Expected message size of 128 bytes",
size, 0);
return;
}
#ifdef HMI3D_SYNC_THREADING
/* Synchronize against hmi2d_query_fw_version calls from application */
HMI_SYNC_LOCK(hmi->io_sync);
#endif
request = hmi->version2d_request;
if(request) {
version = request->version;
if(version) {
version->svn_revision = GET_U16(data + 0);
version->wc_mixed = GET_U8(data + 2);
version->wc_modified = GET_U8(data + 3);
version->build_year = GET_U16(data + 4);
version->build_month = GET_U8(data + 6);
version->build_day = GET_U8(data + 7);
version->build_hour = GET_U8(data + 8);
version->build_minute = GET_U8(data + 9);
version->build_second = GET_U8(data + 10);
HMI_MEMCPY(version->buildBy, data + 11, 9);
HMI_MEMCPY(version->infoString, data + 20, 76);
version->checksum = GET_U32(data + 108);
version->fw_app_id = GET_U32(data + 120);
HMI_MEMCPY(version->fw_version, data + 124, 4);
}
request->received = 1;
}
#ifdef HMI3D_SYNC_THREADING
/* Release synchronization against hmi2d_query_fw_version */
HMI_SYNC_UNLOCK(hmi->io_sync);
#endif
}
void hmi3d_handle_system_status(hmi_t *hmi,
const unsigned char *data,
int size)
{
if(size == 16) {
int msg_id = GET_U8(data + 4);
int error_code = GET_U16(data + 6);
if(msg_id == hmi->resp_msg_id ||
error_code == hmi3d_system_WakeupHappened)
{
hmi->resp_msg_id = 0;
hmi->resp_error_code = error_code;
}
} else {
HMI_BAD_DATA("hmi3d_handle_system_status",
"Expected message size of 16 bytes",
size, 0);
}
}
void hmi2d_handle_parameter(hmi_t *hmi, const unsigned char *msg)
{
hmi_param_request_t *request;
int size = msg[1];
const unsigned char *data = msg + 2;
int param_id;
int value = 0;
int i;
if(size < 3 || size > 6) {
HMI_BAD_DATA("hmi2d_handle_parameter",
"Expected message size of 3 to 6 bytes",
size, 0);
return;
}
#ifdef HMI_SYNC_THREADING
/* Synchronize against calls to hmi2d_get_param from application */
HMI_SYNC_LOCK(hmi->io_sync);
#endif
request = hmi->param2d_request;
param_id = GET_U16(data);
if(request && request->param == param_id) {
for(i = 0; i < size-2; ++i)
value |= GET_U8(data + 2 + i) << (8*i);
if(request->arg0)
*request->arg0 = value;
request->param = 0;
}
#ifdef HMI_SYNC_THREADING
/* Release synchronization against hmi2d_get_param */
HMI_SYNC_UNLOCK(hmi->io_sync);
#endif
}
void gestic_handle_data_output(gestic_t *gestic,
const unsigned char *data)
{
int dataOutputConfig = GET_U16(data + 4);
unsigned char timestamp = GET_U8(data + 6);
int systemInfo = GET_U8(data + 7);
const unsigned char *cursor = data + 8;
int systemMode = (dataOutputConfig & gestic_DataOutConfigMask_ElectrodeConfiguration) >> 8;
int electrodeCount = systemModeElectrodes[systemMode];
int increment;
gestic_input_data_t *dest = &gestic->internal;
int airWheelActive = (systemInfo & gestic_SystemInfo_AirWheelValid) ? 1 : 0;
#ifdef GESTIC_SYNC_THREADING
/* Synchronize against interaction with the internal buffer
* from the Application-Layer
*/
GESTIC_SYNC_LOCK(gestic->io_sync);
#endif
/* NOTE Overflows should not be a problem as long as more
* than one message per 256 samples is received.
* Otherwise this algorithm will loose precision but should
* still work as counts are only compared for equality
* or via substraction.
*/
increment = (unsigned char)(timestamp -
gestic->last_time_stamp);
dest->frame_counter += increment ? increment : 1;
gestic->last_time_stamp = timestamp;
if(dataOutputConfig & gestic_DataOutConfigMask_DSPStatus) {
int calibration = GET_U8(cursor);
int frequency = GET_U8(cursor + 1);
if(calibration != 0) {
dest->calib.reason = calibration;
dest->calib.last_event = dest->frame_counter;
}
if(frequency != dest->frequency.frequency) {
dest->frequency.frequency = frequency;
dest->frequency.freq_changed = 1;
dest->frequency.last_event = dest->frame_counter;
}
cursor += 2;
}
if(dataOutputConfig & gestic_DataOutConfigMask_GestureInfo) {
int gestureInfo = GET_U32(cursor);
int raw = gestureInfo & 0xFF;
int gesture = raw > 1 ? raw - 1 : 0;
if(gesture) {
dest->gesture.gesture = gesture;
dest->gesture.flags = gestureInfo & gestic_gesture_flags_mask;
dest->gesture.last_event = dest->frame_counter;
}
cursor += 4;
}
if(dataOutputConfig & gestic_DataOutConfigMask_TouchInfo) {
int info = GET_U32(cursor);
int touch = info & gestic_touch_mask;
int tap = info & gestic_tap_mask;
if((gestic_touch_flags_t)touch != dest->touch.flags) {
dest->touch.flags = touch;
dest->touch.last_event = dest->frame_counter;
dest->touch.last_touch_event_start = dest->frame_counter - ((info & 0xFF0000) >> 16);
}
/*****************************************************************************
* FUNCTION
* image_gif_get_frame_count
* DESCRIPTION
* get frame count of a gif from file
* PARAMETERS
* filename [IN]
* framecount [OUT]
* RETURNS
* MMI_BOOL MMI_TRUE or MMI_FALSE
*****************************************************************************/
static MMI_BOOL image_gif_get_frame_count(S8 *filename, U32 *framecount)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
FILE *fp;
U8 *buf, *src;
U32 header;
U32 file_size;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
/* open file and read header to buffer */
fp = fopen((char *)filename, "rb");
if (fp == NULL)
{
fprintf(stderr, "Open file error:\t%s\n", filename);
fprintf(stderr, "\t%s\n", strerror(errno));
return MMI_FALSE;
}
fseek(fp, 0, SEEK_END);
file_size = (U32)ftell(fp);
fseek(fp, 0, SEEK_SET);
buf = (U8*)malloc(file_size*sizeof(U8));
if (buf == NULL)
{
fprintf(stderr, "Memory allocation failed:\t%s\n", filename);
MYFCLOSE(fp);
return MMI_FALSE;
}
if (fread(buf, sizeof(char), file_size, fp) != file_size)
{
fprintf(stderr, "Read file error:\t%s\n", filename);
MYFCLOSE(fp);
return MMI_FALSE;
}
src = buf;
MYFCLOSE(fp);
/* init the return frame_count value */
*framecount = 0;
/* read the GIF file signature */
{
U8 sig[3];
GET_U8(src, sig[0]);
GET_U8(src, sig[1]);
GET_U8(src, sig[2]);
if (sig[0] != 'G' || sig[1] != 'I' || sig[2] != 'F')
{
return MMI_FALSE;
}
}
/* skip dimension value */
{
S16 img_w, img_h;
FLUSH(src, 3);
GET_U16(src, img_w);
GET_U16(src, img_h);
if(img_w < 0 || img_h < 0 || img_w >= 10240 || img_h >= 10240)
{
return MMI_FALSE;
}
}
/* read the global color palette */
{
S32 palette_count;
GET_U8(src, palette_count);
FLUSH(src, 2);
if (palette_count & 0x80)
{
palette_count = 1 << ((palette_count & 0x7) + 1);
FLUSH(src, (palette_count * 3));
}
}
/* start decoding */
do
{
U8 symbol;
GET_U8(src, symbol);
switch(symbol)
{
/* Process the GIF extension block */
case '!':
{
U8 ext;
GET_U8(src, ext);
if (ext == 0xf9)
{
FLUSH(src, 6);
}
else
{
U8 boffset;
S32 offset;
while (1)
{
GET_U8(src, boffset);
offset = (S32)boffset;
if (offset == 0)
{
break;
}
FLUSH(src, offset);
}
}
}
break;
case ',':
/* gdi_image_gif_dummy_decoder(); */
{
S32 want_pixels;
S32 bitstream_available_bits, bytestream_available;
S32 GDI_TREE_BUFFER[GDI_GIF_TREE_SIZE / sizeof(S32)];
U32 bitstream;
S16 GIF_current_code_size, GIF_clear_code, GIF_end_code, GIF_new_codes, GIF_top_slot, GIF_slot;
S16 size, c, oc, fc, code;
S16 *stack_pointer;
S16 GIF_mtk_stack[GDI_GIF_STACK_SIZE / sizeof(S16)];
S16 *GIF_mtk_suffix = (S16 *) GDI_TREE_BUFFER;
S16 *GIF_mtk_prefix = (S16 *) (((U8 *) GDI_TREE_BUFFER) + sizeof(GDI_TREE_BUFFER) / 2);
U16 temp;
U8 finished_decoding = 0;
{
S32 x, y, xsize, ysize;
GET_U16(src, temp);
x = (S32)temp;
GET_U16(src, temp);
y = (S32)temp;
GET_U16(src, temp);
xsize = (S32)temp;
GET_U16(src, temp);
ysize = (S32)temp;
want_pixels = xsize * ysize;
}
{
S32 n;
GET_U8(src, n);
if (src >= buf + file_size)
{
return MMI_FALSE;
}
if (n & 0x80)
{
n = 1 << ((n & 0x7) + 1);
/* skip reading palette */
FLUSH(src, n * 3);
}
}
GET_U8(src, temp);
size = (S16)temp;
/* GIF_INITIALIZE_DECODER(size);*/
GIF_current_code_size = (S16)(size + 1);
GIF_top_slot = (S16)(1 << GIF_current_code_size);
GIF_clear_code = (S16)(1 << size);
GIF_end_code = (S16)(GIF_clear_code + 1);
GIF_slot = (GIF_new_codes) = (S16)(GIF_end_code + 1);
bitstream_available_bits = 0;
bytestream_available = 0;
bitstream = 0;
oc = fc = 0;
stack_pointer = GIF_mtk_stack;
/* begin decoding */
while (!finished_decoding)
{
/* GIF_GET_NEXT_CODE(c); */
while(GIF_current_code_size > bitstream_available_bits)
{
if(bytestream_available == 0)
{
GET_U8(src, temp);
bytestream_available = (S32)temp;
}
GET_U8(src, temp);
bitstream |= temp << bitstream_available_bits;
bitstream_available_bits +=8;
bytestream_available--;
}
bitstream_available_bits -= GIF_current_code_size;
c = (S16) bitstream & ((1 << GIF_current_code_size) - 1);
bitstream >>= GIF_current_code_size;
if (c == GIF_end_code)
{
break;
}
if (src >= buf + file_size)
{
return MMI_FALSE;
}
if (c == GIF_clear_code)
{
GIF_current_code_size = (S16) (size + 1);
GIF_slot = GIF_new_codes;
GIF_top_slot = (S16) (1 << GIF_current_code_size);
/* GIF_GET_NEXT_CODE(c); */
while(GIF_current_code_size > bitstream_available_bits)
{
if(bytestream_available == 0)
{
GET_U8(src, temp);
bytestream_available = (S32)temp;
}
GET_U8(src, temp);
bitstream |= temp << bitstream_available_bits;
bitstream_available_bits +=8;
bytestream_available--;
}
bitstream_available_bits -= GIF_current_code_size;
c = (S16) bitstream & ((1 << GIF_current_code_size) - 1);
bitstream >>= GIF_current_code_size;
if (c == GIF_end_code)
{
break;
}
if (src >= buf + file_size)
{
return MMI_FALSE;
}
if (c >= GIF_slot)
{
c = 0;
}
oc = fc = c;
if ((--want_pixels) < 0)
{
finished_decoding = 1;
}
}
else
{
code = c;
if (code >= GIF_slot)
{
code = oc;
*stack_pointer++ = fc;
}
while (code >= GIF_new_codes)
{
if(stack_pointer >= (S16*)(((U8*)GIF_mtk_stack) + sizeof(GIF_mtk_stack)))
{
return MMI_FALSE;
}
*stack_pointer++ = GIF_mtk_suffix[code];
code = GIF_mtk_prefix[code];
}
*stack_pointer++ = code;
if (GIF_slot < GIF_top_slot)
{
GIF_mtk_suffix[GIF_slot] = fc = code;
GIF_mtk_prefix[GIF_slot++] = oc;
oc = c;
}
if (GIF_slot >= GIF_top_slot)
{
if (GIF_current_code_size < 12)
{
GIF_top_slot <<= 1;
GIF_current_code_size++;
}
}
while (stack_pointer > GIF_mtk_stack)
{
if ((--want_pixels) < 0)
{
finished_decoding = 1;
break;
}
--stack_pointer;
}
}
}
}
(*framecount) += 1;
/* peek if is last frame */
{
U8 test1, test2;
PEEK_U8(src, test1);
PEEK_U8_N(src, test2, 1);
if ((test1 == '\0') && (test2 == ';'))
{
/* GDI_GIF_LAST_FRAME;; */
return MMI_TRUE;
}
}
break;
case '\0':
if (src >= buf + file_size)
{
/* GDI_GIF_LAST_FRAME */
return MMI_TRUE;
}
break;
case ';':
/* GDI_GIF_LAST_FRAME;; */
return MMI_TRUE;
break;
}