collar/test.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>

#define TYPE_STRING 0x0A
#define TYPE_VARIANT 0x10
#define PROTO_LEN 0x0A
#define FIELD_ONE_FLOAT 0x0D
#define FIELD_TWO_FLOAT 0x15
#define FIELD_TWO_VARIANT 0x10

typedef struct {
  float x,y;
} coord;
int main()
{
  uint8_t send_buffer[] = {
  TYPE_STRING, 
  PROTO_LEN, 
  FIELD_ONE_FLOAT, 0x00, 0x00, 0x48, 0x43,
  FIELD_TWO_FLOAT, 0x00, 0x00, 0xc8, 0x42,
  FIELD_TWO_VARIANT, 0};
  printf("SIZEOF : %d\n", sizeof(send_buffer));


  printf("Testing encode:");
  float latitude = 200;
  float longitude = 100;

  uint8_t buffer[14] = {
    TYPE_STRING, 
    PROTO_LEN, 
    FIELD_ONE_FLOAT, 0x00, 0x00, 0x48, 0x43,
    FIELD_TWO_FLOAT, 0x00, 0x00, 0xc8, 0x42,
    FIELD_TWO_VARIANT, 0};
  memcpy(buffer+3, (void*)&latitude, 4);
  memcpy(buffer+8, (void*)&longitude, 4);

  for(int i=0;i<sizeof(buffer);i++)
  {
    printf("%02x - ", buffer[i]);
  }
  printf("\n");

#define FIELD_ONE_VARIANT 0x08
#define FIELD_TWO_STRING 0x12
#define FIELD_THREE_STRING 0x1A
#define FIELD_FOUR_STRING 0x22
#define FIELD_FIVE_STRING 0x2A
#define FIELD_SIX_STRING 0x32
#define FIELD_SEVEN_STRING 0x3A
#define FIELD_EIGHT_STRING 0x42
#define FIELD_NINE_STRING 0x4A
#define FIELD_TEN_STRING 0x52
#define FIELD_ELEVEN_STRING 0x5A

  int32_t isr;
  uint8_t buffer0[] = {
      FIELD_ONE_VARIANT, 0x01,
      FIELD_TWO_STRING, 0x0A, 
        FIELD_ONE_FLOAT, 0x1B, 0x91, 0xF6, 0xC2,
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
      FIELD_THREE_STRING, 0x0A, 
        FIELD_ONE_FLOAT, 0xB5, 0x3B, 0x32, 0x42,
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
      FIELD_FOUR_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
       FIELD_FIVE_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
       FIELD_SIX_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
       FIELD_SEVEN_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
       FIELD_EIGHT_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
       FIELD_NINE_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
       FIELD_TEN_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40, 
       FIELD_ELEVEN_STRING, 0x0A,
        FIELD_ONE_FLOAT, 0x00, 0x00, 0x80, 0x3F, 
        FIELD_TWO_FLOAT, 0x00, 0x00, 0x00, 0x40
  };

  printf("size: %d\n", sizeof(buffer0));
  /* 
   *
   * this stuff does not work yet
   *
   */
  coord coordinates[10]; 
  isr = 0;
  isr = buffer0[1];

  uint8_t *ptr = buffer0+5;
  for(int i=0;i<10;i++)
  {
    memcpy(&coordinates[i].x, ptr + i*12, 4);
    memcpy(&coordinates[i].y, ptr + i*12+5, 4);
  }

  printf("isr: %d\n", isr);
  for(int i=0;i<10;i++)
  {
    printf("%f, %f\n", coordinates[i].x, coordinates[i].y);
  }
  printf("\n");

  uint32_t test = 9999;
  for(int i=0;i<4;i++)
  {
    printf("%02x - ", (uint8_t)test>>(8*i));
  }
  printf("\n");
  // memcpy(coordinates[0].x, buffer0 + i+0+7, 4);
  // memcpy(coordinates[0].y, buffer0 + i+5+7, 4);

  // memcpy(coordinates[1].x, buffer0 + i+12+7, 4);
  // memcpy(coordinates[1].y, buffer0 + i+17+7, 4);
  // 
  // memcpy(coordinates[2].x, buffer0 + i+24+7, 4);
  // memcpy(coordinates[2].y, buffer0 + i+29+7, 4);



  return 0;
}