void lcd_string(uint8_t *string_to_print) {
uint32_t count=0;
while (string_to_print[count] != 0) {
lcd_put (string_to_print[count], TEXT);
count++;
}
}
OCEntityHandlerResult LcdOCEntityHandlerCb(OCEntityHandlerFlag flag, OCEntityHandlerRequest * entityHandlerRequest,
void *callbackParam)
{
OCEntityHandlerResult ehRet = OC_EH_OK;
OCEntityHandlerResponse response = {0};
OCRepPayload* payload = OCRepPayloadCreate();
if(!payload) {
OC_LOG(ERROR, TAG, ("Failed to allocate Payload"));
return OC_EH_ERROR;
}
if(entityHandlerRequest && (flag & OC_REQUEST_FLAG)) {
OC_LOG (INFO, TAG, ("Flag includes OC_REQUEST_FLAG"));
if(OC_REST_GET == entityHandlerRequest->method) {
OCRepPayloadSetUri(payload, "/grove/lcd");
OCRepPayloadSetPropString(payload, "lcd", (const char *)lcd.str);
} else if(OC_REST_PUT == entityHandlerRequest->method) {
OC_LOG(INFO, TAG, ("PUT request"));
OCRepPayload *rep = (OCRepPayload *)entityHandlerRequest->payload;
OCRepPayloadGetPropString(rep, "lcd", &lcd.str);
OC_LOG_V(INFO, TAG, "LCD string: %s", lcd.str);
lcd_put();
OCRepPayloadSetPropString(payload, "lcd", (const char *)lcd.str);
}
if (ehRet == OC_EH_OK) {
// Format the response. Note this requires some info about the request
response.requestHandle = entityHandlerRequest->requestHandle;
response.resourceHandle = entityHandlerRequest->resource;
response.ehResult = ehRet;
response.payload = (OCPayload*) payload;
response.numSendVendorSpecificHeaderOptions = 0;
memset(response.sendVendorSpecificHeaderOptions, 0, sizeof response.sendVendorSpecificHeaderOptions);
memset(response.resourceUri, 0, sizeof response.resourceUri);
// Indicate that response is NOT in a persistent buffer
response.persistentBufferFlag = 0;
// Send the response
if (OCDoResponse(&response) != OC_STACK_OK) {
OC_LOG(ERROR, TAG, "Error sending response");
ehRet = OC_EH_ERROR;
}
}
}
if (entityHandlerRequest && (flag & OC_OBSERVE_FLAG)) {
if (OC_OBSERVE_REGISTER == entityHandlerRequest->obsInfo.action) {
OC_LOG (INFO, TAG, ("Received OC_OBSERVE_REGISTER from client"));
gLightUnderObservation = 1;
} else if (OC_OBSERVE_DEREGISTER == entityHandlerRequest->obsInfo.action) {
OC_LOG (INFO, TAG, ("Received OC_OBSERVE_DEREGISTER from client"));
gLightUnderObservation = 0;
}
}
OCRepPayloadDestroy(payload);
return ehRet;
}
static void __exit test_cleanup(void)
{
misc_deregister(&mdev);
lcd_put();
dma_free_writecombine(NULL, FB_MEM_SIZE,
fb_mem_virt, fb_mem_phys);
}
char _key_string(char __mode) {
unsigned char __chr = 0, __i = 0;
uint8_t __key = 0;
if(__mode==0) {
CURSOR_SHOW;
while(1) {
__key = _key_scan(_PAD_SINGLE);
if(__key==_KEY_NULL || __key==_KEY_TIKET || __key==_KEY_MENU || __key==_KEY_SHIFT);
else if(__key==_KEY_CANCEL) {
__chr_count = 0;
CURSOR_HIDE;
_SHIFT_OFF;//
return 1;
}
else if(__key==_KEY_ENTER) {
__chr_count = 0;
CURSOR_HIDE;
_SHIFT_OFF;//
return 0;
}
else if(__key==_KEY_CLEAR) {
if(__chr_count>0) {
_LCD_LEFT;
_lcd(0x10);
_LCD_LEFT;
__buf_string[__chr_count-1] = '\0';
__chr_count--;
}
}
else {
if(__chr_count<__max_string) {
_lcd(_table_alphanum(0, __key, 0));
__buf_string[__chr_count] = _table_alphanum(0, __key, 0);
__buf_string[__chr_count + 1] = '\0';
__chr_count++;
}
}
}
}
if(__mode==_STRING_ALPHANUM) {
while(1) {
CURSOR_SHOW;
__key = _key_scan(_PAD_MULTI);
if(__key == _KEY_NULL || __key == _KEY_TIKET || __key == _KEY_MENU);
else if(__key == _KEY_CANCEL) {
CURSOR_HIDE;
_SHIFT_OFF;
return 1;
}
else if(__key == _KEY_ENTER) {
CURSOR_HIDE;
_SHIFT_OFF;
return 0;
}
else if(__key == _KEY_SHIFT) {
__caps_lock = __caps_lock ^ 1;
}
else if(__key == _KEY_CLEAR) {
if(__chr_count > 0) {
if(!__key_shift) {
_LCD_LEFT;
_lcd(0x10);
_LCD_LEFT;
__buf_string[__chr_count - 1] = '\0';
__chr_count--;
if(__chr_count == 19) {
lcd_put(2, 20, 0x10);
lcd_xy(2, 20);
}
_SHIFT_OFF;
CURSOR_SHOW;
//_SHIFT_FREE;
}
}
}
else {
if(__chr_count < __max_string) {
if(__key != __buf_anum) {
__buf_anum = __key;
__hit_count = 0;
if(__key_shift == 1 && __buf_anum != 0) {
_LCD_RIGHT;
__chr_count++;
if(__chr_count == 20)
lcd_xy(3, 1);
}
}
else {
__hit_count++;
}
__chr = _table_alphanum(__caps_lock, __key, __hit_count);
if(__chr == '\0') {
__hit_count = 0;
__chr = _table_alphanum(__caps_lock, __key, __hit_count);
}
if(__chr_count < __max_string) {
_lcd(__chr);
_LCD_LEFT;
__buf_string[__chr_count] = __chr;
__buf_string[__chr_count + 1] = '\0';
}
}
CURSOR_SHOW;
//else _SHIFT_LOCK;
}
}
}
if(__mode==_STRING_PASSWORD) {
CURSOR_SHOW;
while(1) {
__key = _key_scan(_PAD_SINGLE);
if(__key==_KEY_NULL || __key==_KEY_TIKET || __key==_KEY_MENU || __key==_KEY_SHIFT);
else if(__key==_KEY_CANCEL) {
__chr_count = 0;
CURSOR_HIDE;
return 1;
}
else if(__key==_KEY_ENTER) {
__chr_count = 0;
CURSOR_HIDE;
return 0;
}
else if(__key==_KEY_CLEAR) {
if(__chr_count>0) {
_LCD_LEFT;
_lcd(0x10);
_LCD_LEFT;
__buf_string[__chr_count-1] = '\0';
__chr_count--;
}
}
else {
if(__chr_count<__max_string) {
_lcd(0x2a);
__buf_string[__chr_count] = _table_alphanum(0, __key, 0);
__buf_string[__chr_count + 1] = '\0';
__chr_count++;
}
}
}
}
if(__mode==_STRING_VALUE) {
for(__i=0; __i<__max_string; __i++)
_lcd('0');
while(1) {
__key = _key_scan(_PAD_SINGLE);
if(__key==_KEY_NULL || __key==_KEY_TIKET || __key==_KEY_MENU || __key==_KEY_SHIFT || __key==_KEY_CLEAR);
else if(__key==_KEY_CANCEL) {
__chr_count = 0;
CURSOR_HIDE;
return 1;
}
else if(__key==_KEY_ENTER) {
__chr_count = 0;
CURSOR_HIDE;
return 0;
}
else {
for(__i=0; __i<__max_string - 1; __i++)
__buf_string[__i] = __buf_string[__i + 1];
__buf_string[__max_string - 1] = _table_alphanum(0, __key, 0);
__buf_string[__max_string] = '\0';
for(__i=0; __i<__max_string; __i++)
_LCD_LEFT;
for(__i=0; __i<__max_string; __i++)
_lcd(__buf_string[__i]);
}
}
}
return 0;
}
void lcd_command (enum LcdCommand command) {
//This function sends a command to the LCD.
//Care is taken not to interfere with the other lines on the port.
lcd_put((uint8_t)command, COMMAND);
delay(3000); // 3 ms (double the delay we should need for any command)
}
