The toplevel array should just be an array of pointers: uint8_t *theArrays[] = { arrayOne,arrayTwo,arrayThree,arrayFour }; You will lose information about the lengths of each "row", but that's fine. I don't think you can reference an array in the initializer like in your example and have the elements copied into...
Simply copy an array and change the first value. uint8_t array[5][12] = { { 0x00, 0x01,0x00,0x00,0x00,0x06,0xFE,0x03,0x01,0xC1,0x00,0x01 } } ; for (int i = 1; i < 5; i++ ) { array[i][0] = i; for (int j = 1; j < 12; j++ ) { array[i][j] = array[0][j]; } } Typed...
void* will solve your cast problem and sizeof a pointer is never going to be > 33 so try this instead: void LCD(char RGBXXX, void *str, int is_data) { RGB(RGBXXX); if (is_data != 0) { char data[33]; memcpy(data,(uint8_t*)str,33); writeLCD(data); } else { BMP((uint16_t *)str); } }...
This line: uint8_t *theArray = { arrayOne,arrayTwo,arrayThree,arrayFour }; is actually creating an array filled in with the pointers to your arrays converted to uint8_t values. I don't think this is what you want. So first of all (notice the double pointer): uint8_t *theArray[] = { arrayOne,arrayTwo,arrayThree,arrayFour }; Then your ObjC...
Figured it out: otherController.yBuffer = malloc(inWidth * inHeight * sizeof(uint8_t) ); //size you want to allocate memcpy(otherController.yBuffer, yBuffer, inWidth * inHeight * sizeof(uint8_t)); //copy to target buffer from current buffer, with the size you allocated After you are done with the buffer and don't need it: free(self.cameraViewController.yBuffer); ...
#include <stdint.h> #include <inttypes.h> ... char *buffer="dddd:0000:0000:0000:0000:0000:0000:cccc"; uint8_t ipadress[16]; sscanf(buffer, "%2" SCNx8 "%2" SCNx8 ":" "%2" SCNx8 "%2" SCNx8 ":" "%2" SCNx8 "%2" SCNx8 ":" "%2" SCNx8 "%2" SCNx8 ":" "%2" SCNx8 "%2" SCNx8 ":" "%2" SCNx8 "%2" SCNx8 ":" "%2" SCNx8 "%2" SCNx8 ":" "%2" SCNx8 "%2" SCNx8 ,...
Your problem is the different int types you're using. First let's check the writePosition method. You use an Int8 as parameter. So you need to make sure that you also call the method with a Int8 as parameter. To make sure you are using an Int8 you can cast it:...
For the sizeof operator to give the actual size of the array, you need to: Allocate the array statically Refer to the array within its scope of declaration For example: void func() { int arr[10]; int total_size = sizeof(arr); int num_of_elements = sizeof(arr)/sizeof(*arr); ... } An example of when the...
c,arrays,string,pointers,uint8t
1.) it's a little bit faster to eliminate the int array. 2.) adding '0' changes the integer values 0 and 1 to their ascii values '0' and '1'. 3.) it's undefined behaviour to return the address of a local variable. You have to malloc memory in the heap. 4.) yes,...
javascript,angularjs,uint8t,binarystream
So you have a binary stream (the values I am assuming were sent from a byte array of some sort, 0-255). You do not need to do the (the window.btoa(...) because it already is in a state ready for the Uint8Array) before turning it into an Uint8Array. You simple need...