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Kevin |
1 |
#include <xc.h>
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#include <plib.h>
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#include "defines.h"
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#include "CUBE.h"
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#include "SPI1.h"
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Kevin |
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#include "glcdfont.h"
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Kevin |
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#include "UART1.h"
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Kevin |
8 |
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9 |
static CUBE_DATA *cube_data_ptr;
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11 |
inline void Cube_Delay() {
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// Small delay to ensure that latch speeds are < 30Mhz
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Nop();
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Nop();
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Nop();
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}
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17 |
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Kevin |
18 |
void Cube_Init(CUBE_DATA *data, char BC) {
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Kevin |
19 |
cube_data_ptr = data;
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Kevin |
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cube_data_ptr->current_layer = 0;
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Kevin |
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cube_data_ptr->rotation_counter = 0;
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Kevin |
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cube_data_ptr->frame_state = IDLE;
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23 |
cube_data_ptr->frame_escape = 0;
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Kevin |
24 |
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SFT_D = 0;
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SFT_S = 0;
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SFT_K = 0;
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SFT_R = 0;
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GSLAT = 0;
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XBLNK = 0;
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SFT_D_TRIS = 0;
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SFT_S_TRIS = 0;
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SFT_K_TRIS = 0;
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SFT_R_TRIS = 0;
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GSLAT_TRIS = 0;
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XBLNK_TRIS = 0;
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38 |
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// Clear the shift register
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Cube_Delay();
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SFT_K = 1;
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42 |
Cube_Delay();
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SFT_K = 0;
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Cube_Delay();
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SFT_S = 1;
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46 |
Cube_Delay();
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SFT_S = 0;
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Cube_Delay();
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SFT_R = 1;
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50 |
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Kevin |
51 |
Cube_Write_DCS(BC);
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Kevin |
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Cube_Clear();
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Kevin |
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Cube_Overlay_Clear();
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Kevin |
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}
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void Cube_Timer_Interrupt(void) {
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// OR values in the overlay array with the display array
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int i,j;
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for (i = 0; i < CUBE_LAYER_COUNT; i++) {
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for (j = 0; j < GCS_LAYER_SIZE; j++) {
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cube_data_ptr->GCS_WRITE[i][j] = cube_data_ptr->GCS[i][j] | cube_data_ptr->GCS_OVERLAY[i][j];
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}
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}
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Kevin |
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// Write to the GCS register
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Kevin |
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SPI1_Write(cube_data_ptr->GCS_WRITE[cube_data_ptr->current_layer], GCS_LAYER_SIZE, &Cube_GCS_Write_Callback);
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Kevin |
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}
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////////////////////////
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// Callback functions //
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////////////////////////
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Kevin |
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void Cube_DCS_Write_Callback(void) {
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// GSLAT must be >7ms after DCS write
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Delay_MS(7);
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GSLAT = 0;
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Cube_Delay();
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GSLAT = 1;
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Cube_Delay();
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GSLAT = 0;
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}
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void Cube_GCS_Write_Callback(void) {
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// Disable LED output and latch in written data to GCS
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XBLNK = 0;
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Cube_Delay();
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GSLAT = 1;
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// Set the shift register to turn on the current layer
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int i;
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for (i = 0; i < CUBE_LAYER_COUNT; i++) {
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Cube_Delay();
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Kevin |
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SFT_D = (i == CUBE_LAYER_COUNT - cube_data_ptr->current_layer - 1) ? 1 : 0;
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Kevin |
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Cube_Delay();
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SFT_K = 1;
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Cube_Delay();
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SFT_K = 0;
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}
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Cube_Delay();
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SFT_S = 1;
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Cube_Delay();
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SFT_S = 0;
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Cube_Delay();
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// Enable LED output
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XBLNK = 1;
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Cube_Delay();
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GSLAT = 0;
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Kevin |
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cube_data_ptr->current_layer = (cube_data_ptr->current_layer == CUBE_LAYER_COUNT-1)
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? 0 : cube_data_ptr->current_layer + 1;
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Kevin |
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}
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Kevin |
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////////////////////////////
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// Cube control functions //
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////////////////////////////
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Kevin |
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void Cube_Write_DCS(char BC) {
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XBLNK = 0;
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int i,j;
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// Write configuration data to the DC/BC/FC/UD registers
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unsigned char DCS[GCS_LAYER_SIZE] = {0};
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for (i = 0; i < 8; i++) {
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int offset = i * GCS_REG_SIZE;
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for (j = 0; j < 21; j++) {
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DCS[offset + j] = 0xFF; // Dot correction
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}
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// Warning: do not set BC > 0x6F
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DCS[offset + 21] = BC; // Global red brightness
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DCS[offset + 22] = BC; // Global green brightness
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DCS[offset + 23] = BC; // Global blue brightness
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// DC low range, auto repeat, no timing reset, 8 bit counter mode
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DCS[offset + 24] = 0x68; // 0110 1000
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}
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GSLAT = 1;
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SPI1_Write(DCS, GCS_LAYER_SIZE, &Cube_DCS_Write_Callback);
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Kevin |
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Delay_MS(10); // Delay until the entire DCS write is finished
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Kevin |
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}
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Kevin |
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void Cube_Clear(void) {
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int i,j;
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for (i = 0; i < CUBE_LAYER_COUNT; i++)
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for (j = 0; j < GCS_LAYER_SIZE; j++)
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cube_data_ptr->GCS[i][j] = 0x00;
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}
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void Cube_Set_All(int R, int G, int B) {
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Kevin |
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// Set all pixels in the cube to the given color
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R &= 0x0FFF;
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G &= 0x0FFF;
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B &= 0x0FFF;
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int i,j,k;
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for (i = 0; i < CUBE_LAYER_COUNT; i++) {
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for (j = 0; j < CUBE_ROW_COUNT; j++) {
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int j_var = j * GCS_REG_SIZE;
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for (k = 0; k < 4; k++) {
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int k_var = j_var + (k * 9);
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cube_data_ptr->GCS[i][k_var+0] = R & 0xFF;;
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cube_data_ptr->GCS[i][k_var+1] = (G << 4) | (R >> 8);
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cube_data_ptr->GCS[i][k_var+2] = G >> 4;
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cube_data_ptr->GCS[i][k_var+3] = B & 0xFF;
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cube_data_ptr->GCS[i][k_var+4] = (R << 4) | (B >> 8);
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cube_data_ptr->GCS[i][k_var+5] = R >> 4;
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cube_data_ptr->GCS[i][k_var+6] = G & 0xFF;
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cube_data_ptr->GCS[i][k_var+7] = (B << 4) | (G >> 8);
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cube_data_ptr->GCS[i][k_var+8] = B >> 4;
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}
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}
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}
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}
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void Cube_Set_Layer(int layer, int R, int G, int B) {
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Kevin |
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// Set all pixels in the specified layer to the given color
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R &= 0x0FFF;
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G &= 0x0FFF;
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B &= 0x0FFF;
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int i,j;
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for (i = 0; i < CUBE_ROW_COUNT; i++) {
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int i_var = i * GCS_REG_SIZE;
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for (j = 0; j < 4; j++) {
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int j_var = i_var + (j * 9);
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cube_data_ptr->GCS[layer][j_var+0] = R & 0xFF;;
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cube_data_ptr->GCS[layer][j_var+1] = (G << 4) | (R >> 8);
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cube_data_ptr->GCS[layer][j_var+2] = G >> 4;
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cube_data_ptr->GCS[layer][j_var+3] = B & 0xFF;
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cube_data_ptr->GCS[layer][j_var+4] = (R << 4) | (B >> 8);
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cube_data_ptr->GCS[layer][j_var+5] = R >> 4;
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cube_data_ptr->GCS[layer][j_var+6] = G & 0xFF;
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cube_data_ptr->GCS[layer][j_var+7] = (B << 4) | (G >> 8);
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cube_data_ptr->GCS[layer][j_var+8] = B >> 4;
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}
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}
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}
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void Cube_Set_Pixel(int layer, int row, int column, int R, int G, int B) {
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// Set the specified pixel to the given color
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Kevin |
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R &= 0x0FFF;
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G &= 0x0FFF;
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B &= 0x0FFF;
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int var = row * GCS_REG_SIZE + (column / 2 * 9);
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switch (column % 2) {
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case 0:
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cube_data_ptr->GCS[layer][var+0] = R & 0xFF;
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cube_data_ptr->GCS[layer][var+1] = (G << 4) | (R >> 8);
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cube_data_ptr->GCS[layer][var+2] = G >> 4;
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cube_data_ptr->GCS[layer][var+3] = B & 0xFF;
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cube_data_ptr->GCS[layer][var+4] = (cube_data_ptr->GCS[layer][var+4] & 0xF0) | (B >> 8);
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break;
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case 1:
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cube_data_ptr->GCS[layer][var+4] = (cube_data_ptr->GCS[layer][var+4] & 0x0F) | (R << 4);
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cube_data_ptr->GCS[layer][var+5] = R >> 4;
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cube_data_ptr->GCS[layer][var+6] = G & 0xFF;
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cube_data_ptr->GCS[layer][var+7] = (B << 4) | (G >> 8);
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cube_data_ptr->GCS[layer][var+8] = B >> 4;
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break;
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}
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Kevin |
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}
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void Cube_Get_Pixel(int layer, int row, int column, int* R, int* G, int* B) {
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int var = row * GCS_REG_SIZE + (column / 2 * 9);
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switch (column % 2) {
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// Concatenate lower byte and upper byte of each color channel
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case 0:
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*R = cube_data_ptr->GCS[layer][var+0] | ((cube_data_ptr->GCS[layer][var+1] & 0x0F) << 8);
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*G = (cube_data_ptr->GCS[layer][var+1] >> 4) | (cube_data_ptr->GCS[layer][var+2] << 4);
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*B = cube_data_ptr->GCS[layer][var+3] | ((cube_data_ptr->GCS[layer][var+4] & 0x0F) << 8);
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break;
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case 1:
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*R = (cube_data_ptr->GCS[layer][var+4] >> 4) | (cube_data_ptr->GCS[layer][var+5] << 4);
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*G = cube_data_ptr->GCS[layer][var+6] | ((cube_data_ptr->GCS[layer][var+7] & 0x0F) << 8);
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*B = (cube_data_ptr->GCS[layer][var+7] >> 4) | (cube_data_ptr->GCS[layer][var+8] << 4);
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break;
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}
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}
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void Cube_Move_Pixel(int layer1, int row1, int column1, int layer2, int row2, int column2) {
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Kevin |
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// Copies data from pixel 1 to pixel 2
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Kevin |
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// Note: destination pixel value is overwritten
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int prev_R, prev_G, prev_B;
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Cube_Get_Pixel(layer1, row1, column1, &prev_R, &prev_G, &prev_B);
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Cube_Set_Pixel(layer2, row2, column2, prev_R, prev_G, prev_B);
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}
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244 |
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Kevin |
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void Cube_Rotate_Shell(char shell, char direction) {
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Kevin |
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// Shell is the layer to rotate, with the outermost being 0
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int layer, origin_R, origin_G, origin_B;;
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for (layer = 0; layer < CUBE_LAYER_COUNT; layer++) {
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Kevin |
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if (direction) {
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switch(shell) {
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case 0:
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252 |
// Rotate outermost layer
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253 |
Cube_Get_Pixel(layer, 0, 0, &origin_R, &origin_G, &origin_B);
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254 |
Cube_Move_Pixel(layer, 0, 1, layer, 0, 0);
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255 |
Cube_Move_Pixel(layer, 0, 2, layer, 0, 1);
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256 |
Cube_Move_Pixel(layer, 0, 3, layer, 0, 2);
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257 |
Cube_Move_Pixel(layer, 0, 4, layer, 0, 3);
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258 |
Cube_Move_Pixel(layer, 0, 5, layer, 0, 4);
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259 |
Cube_Move_Pixel(layer, 0, 6, layer, 0, 5);
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260 |
Cube_Move_Pixel(layer, 0, 7, layer, 0, 6);
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261 |
Cube_Move_Pixel(layer, 1, 7, layer, 0, 7);
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262 |
Cube_Move_Pixel(layer, 2, 7, layer, 1, 7);
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263 |
Cube_Move_Pixel(layer, 3, 7, layer, 2, 7);
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264 |
Cube_Move_Pixel(layer, 4, 7, layer, 3, 7);
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265 |
Cube_Move_Pixel(layer, 5, 7, layer, 4, 7);
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266 |
Cube_Move_Pixel(layer, 6, 7, layer, 5, 7);
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267 |
Cube_Move_Pixel(layer, 7, 7, layer, 6, 7);
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268 |
Cube_Move_Pixel(layer, 7, 6, layer, 7, 7);
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269 |
Cube_Move_Pixel(layer, 7, 5, layer, 7, 6);
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270 |
Cube_Move_Pixel(layer, 7, 4, layer, 7, 5);
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271 |
Cube_Move_Pixel(layer, 7, 3, layer, 7, 4);
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272 |
Cube_Move_Pixel(layer, 7, 2, layer, 7, 3);
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273 |
Cube_Move_Pixel(layer, 7, 1, layer, 7, 2);
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274 |
Cube_Move_Pixel(layer, 7, 0, layer, 7, 1);
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275 |
Cube_Move_Pixel(layer, 6, 0, layer, 7, 0);
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276 |
Cube_Move_Pixel(layer, 5, 0, layer, 6, 0);
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277 |
Cube_Move_Pixel(layer, 4, 0, layer, 5, 0);
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278 |
Cube_Move_Pixel(layer, 3, 0, layer, 4, 0);
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279 |
Cube_Move_Pixel(layer, 2, 0, layer, 3, 0);
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280 |
Cube_Move_Pixel(layer, 1, 0, layer, 2, 0);
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281 |
Cube_Set_Pixel(layer, 1, 0, origin_R, origin_G, origin_B);
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282 |
break;
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283 |
case 1:
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284 |
// Rotate second to outermost layer
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285 |
Cube_Get_Pixel(layer, 1, 1, &origin_R, &origin_G, &origin_B);
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286 |
Cube_Move_Pixel(layer, 1, 2, layer, 1, 1);
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287 |
Cube_Move_Pixel(layer, 1, 3, layer, 1, 2);
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288 |
Cube_Move_Pixel(layer, 1, 4, layer, 1, 3);
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289 |
Cube_Move_Pixel(layer, 1, 5, layer, 1, 4);
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290 |
Cube_Move_Pixel(layer, 1, 6, layer, 1, 5);
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291 |
Cube_Move_Pixel(layer, 2, 6, layer, 1, 6);
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292 |
Cube_Move_Pixel(layer, 3, 6, layer, 2, 6);
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293 |
Cube_Move_Pixel(layer, 4, 6, layer, 3, 6);
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294 |
Cube_Move_Pixel(layer, 5, 6, layer, 4, 6);
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295 |
Cube_Move_Pixel(layer, 6, 6, layer, 5, 6);
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296 |
Cube_Move_Pixel(layer, 6, 5, layer, 6, 6);
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297 |
Cube_Move_Pixel(layer, 6, 4, layer, 6, 5);
|
|
|
298 |
Cube_Move_Pixel(layer, 6, 3, layer, 6, 4);
|
|
|
299 |
Cube_Move_Pixel(layer, 6, 2, layer, 6, 3);
|
|
|
300 |
Cube_Move_Pixel(layer, 6, 1, layer, 6, 2);
|
|
|
301 |
Cube_Move_Pixel(layer, 5, 1, layer, 6, 1);
|
|
|
302 |
Cube_Move_Pixel(layer, 4, 1, layer, 5, 1);
|
|
|
303 |
Cube_Move_Pixel(layer, 3, 1, layer, 4, 1);
|
|
|
304 |
Cube_Move_Pixel(layer, 2, 1, layer, 3, 1);
|
|
|
305 |
Cube_Set_Pixel(layer, 2, 1, origin_R, origin_G, origin_B);
|
|
|
306 |
break;
|
|
|
307 |
case 2:
|
|
|
308 |
// Rotate second to innermost layer
|
|
|
309 |
Cube_Get_Pixel(layer, 2, 2, &origin_R, &origin_G, &origin_B);
|
|
|
310 |
Cube_Move_Pixel(layer, 2, 3, layer, 2, 2);
|
|
|
311 |
Cube_Move_Pixel(layer, 2, 4, layer, 2, 3);
|
|
|
312 |
Cube_Move_Pixel(layer, 2, 5, layer, 2, 4);
|
|
|
313 |
Cube_Move_Pixel(layer, 3, 5, layer, 2, 5);
|
|
|
314 |
Cube_Move_Pixel(layer, 4, 5, layer, 3, 5);
|
|
|
315 |
Cube_Move_Pixel(layer, 5, 5, layer, 4, 5);
|
|
|
316 |
Cube_Move_Pixel(layer, 5, 4, layer, 5, 5);
|
|
|
317 |
Cube_Move_Pixel(layer, 5, 3, layer, 5, 4);
|
|
|
318 |
Cube_Move_Pixel(layer, 5, 2, layer, 5, 3);
|
|
|
319 |
Cube_Move_Pixel(layer, 4, 2, layer, 5, 2);
|
|
|
320 |
Cube_Move_Pixel(layer, 3, 2, layer, 4, 2);
|
|
|
321 |
Cube_Set_Pixel(layer, 3, 2, origin_R, origin_G, origin_B);
|
|
|
322 |
break;
|
|
|
323 |
case 3:
|
|
|
324 |
// Rotate innermost layer
|
|
|
325 |
Cube_Get_Pixel(layer, 3, 3, &origin_R, &origin_G, &origin_B);
|
|
|
326 |
Cube_Move_Pixel(layer, 3, 4, layer, 3, 3);
|
|
|
327 |
Cube_Move_Pixel(layer, 4, 4, layer, 3, 4);
|
|
|
328 |
Cube_Move_Pixel(layer, 4, 3, layer, 4, 4);
|
|
|
329 |
Cube_Set_Pixel(layer, 4, 3, origin_R, origin_G, origin_B);
|
|
|
330 |
break;
|
|
|
331 |
}
|
|
|
332 |
} else {
|
|
|
333 |
switch(shell) {
|
|
|
334 |
case 0:
|
|
|
335 |
// Rotate outermost layer
|
|
|
336 |
Cube_Get_Pixel(layer, 0, 0, &origin_R, &origin_G, &origin_B);
|
|
|
337 |
Cube_Move_Pixel(layer, 1, 0, layer, 0, 0);
|
|
|
338 |
Cube_Move_Pixel(layer, 2, 0, layer, 1, 0);
|
|
|
339 |
Cube_Move_Pixel(layer, 3, 0, layer, 2, 0);
|
|
|
340 |
Cube_Move_Pixel(layer, 4, 0, layer, 3, 0);
|
|
|
341 |
Cube_Move_Pixel(layer, 5, 0, layer, 4, 0);
|
|
|
342 |
Cube_Move_Pixel(layer, 6, 0, layer, 5, 0);
|
|
|
343 |
Cube_Move_Pixel(layer, 7, 0, layer, 6, 0);
|
|
|
344 |
Cube_Move_Pixel(layer, 7, 1, layer, 7, 0);
|
|
|
345 |
Cube_Move_Pixel(layer, 7, 2, layer, 7, 1);
|
|
|
346 |
Cube_Move_Pixel(layer, 7, 3, layer, 7, 2);
|
|
|
347 |
Cube_Move_Pixel(layer, 7, 4, layer, 7, 3);
|
|
|
348 |
Cube_Move_Pixel(layer, 7, 5, layer, 7, 4);
|
|
|
349 |
Cube_Move_Pixel(layer, 7, 6, layer, 7, 5);
|
|
|
350 |
Cube_Move_Pixel(layer, 7, 7, layer, 7, 6);
|
|
|
351 |
Cube_Move_Pixel(layer, 6, 7, layer, 7, 7);
|
|
|
352 |
Cube_Move_Pixel(layer, 5, 7, layer, 6, 7);
|
|
|
353 |
Cube_Move_Pixel(layer, 4, 7, layer, 5, 7);
|
|
|
354 |
Cube_Move_Pixel(layer, 3, 7, layer, 4, 7);
|
|
|
355 |
Cube_Move_Pixel(layer, 2, 7, layer, 3, 7);
|
|
|
356 |
Cube_Move_Pixel(layer, 1, 7, layer, 2, 7);
|
|
|
357 |
Cube_Move_Pixel(layer, 0, 7, layer, 1, 7);
|
|
|
358 |
Cube_Move_Pixel(layer, 0, 6, layer, 0, 7);
|
|
|
359 |
Cube_Move_Pixel(layer, 0, 5, layer, 0, 6);
|
|
|
360 |
Cube_Move_Pixel(layer, 0, 4, layer, 0, 5);
|
|
|
361 |
Cube_Move_Pixel(layer, 0, 3, layer, 0, 4);
|
|
|
362 |
Cube_Move_Pixel(layer, 0, 2, layer, 0, 3);
|
|
|
363 |
Cube_Move_Pixel(layer, 0, 1, layer, 0, 2);
|
|
|
364 |
Cube_Set_Pixel(layer, 0, 1, origin_R, origin_G, origin_B);
|
|
|
365 |
break;
|
|
|
366 |
case 1:
|
|
|
367 |
// Rotate second to outermost layer
|
|
|
368 |
Cube_Get_Pixel(layer, 1, 1, &origin_R, &origin_G, &origin_B);
|
|
|
369 |
Cube_Move_Pixel(layer, 2, 1, layer, 1, 1);
|
|
|
370 |
Cube_Move_Pixel(layer, 3, 1, layer, 2, 1);
|
|
|
371 |
Cube_Move_Pixel(layer, 4, 1, layer, 3, 1);
|
|
|
372 |
Cube_Move_Pixel(layer, 5, 1, layer, 4, 1);
|
|
|
373 |
Cube_Move_Pixel(layer, 6, 1, layer, 5, 1);
|
|
|
374 |
Cube_Move_Pixel(layer, 6, 2, layer, 6, 1);
|
|
|
375 |
Cube_Move_Pixel(layer, 6, 3, layer, 6, 2);
|
|
|
376 |
Cube_Move_Pixel(layer, 6, 4, layer, 6, 3);
|
|
|
377 |
Cube_Move_Pixel(layer, 6, 5, layer, 6, 4);
|
|
|
378 |
Cube_Move_Pixel(layer, 6, 6, layer, 6, 5);
|
|
|
379 |
Cube_Move_Pixel(layer, 5, 6, layer, 6, 6);
|
|
|
380 |
Cube_Move_Pixel(layer, 4, 6, layer, 5, 6);
|
|
|
381 |
Cube_Move_Pixel(layer, 3, 6, layer, 4, 6);
|
|
|
382 |
Cube_Move_Pixel(layer, 2, 6, layer, 3, 6);
|
|
|
383 |
Cube_Move_Pixel(layer, 1, 6, layer, 2, 6);
|
|
|
384 |
Cube_Move_Pixel(layer, 1, 5, layer, 1, 6);
|
|
|
385 |
Cube_Move_Pixel(layer, 1, 4, layer, 1, 5);
|
|
|
386 |
Cube_Move_Pixel(layer, 1, 3, layer, 1, 4);
|
|
|
387 |
Cube_Move_Pixel(layer, 1, 2, layer, 1, 3);
|
|
|
388 |
Cube_Set_Pixel(layer, 1, 2, origin_R, origin_G, origin_B);
|
|
|
389 |
break;
|
|
|
390 |
case 2:
|
|
|
391 |
// Rotate second to innermost layer
|
|
|
392 |
Cube_Get_Pixel(layer, 2, 2, &origin_R, &origin_G, &origin_B);
|
|
|
393 |
Cube_Move_Pixel(layer, 3, 2, layer, 2, 2);
|
|
|
394 |
Cube_Move_Pixel(layer, 4, 2, layer, 3, 2);
|
|
|
395 |
Cube_Move_Pixel(layer, 5, 2, layer, 4, 2);
|
|
|
396 |
Cube_Move_Pixel(layer, 5, 3, layer, 5, 2);
|
|
|
397 |
Cube_Move_Pixel(layer, 5, 4, layer, 5, 3);
|
|
|
398 |
Cube_Move_Pixel(layer, 5, 5, layer, 5, 4);
|
|
|
399 |
Cube_Move_Pixel(layer, 4, 5, layer, 5, 5);
|
|
|
400 |
Cube_Move_Pixel(layer, 3, 5, layer, 4, 5);
|
|
|
401 |
Cube_Move_Pixel(layer, 2, 5, layer, 3, 5);
|
|
|
402 |
Cube_Move_Pixel(layer, 2, 4, layer, 2, 5);
|
|
|
403 |
Cube_Move_Pixel(layer, 2, 3, layer, 2, 4);
|
|
|
404 |
Cube_Set_Pixel(layer, 2, 3, origin_R, origin_G, origin_B);
|
|
|
405 |
break;
|
|
|
406 |
case 3:
|
|
|
407 |
// Rotate innermost layer
|
|
|
408 |
Cube_Get_Pixel(layer, 3, 3, &origin_R, &origin_G, &origin_B);
|
|
|
409 |
Cube_Move_Pixel(layer, 4, 3, layer, 3, 3);
|
|
|
410 |
Cube_Move_Pixel(layer, 4, 4, layer, 4, 3);
|
|
|
411 |
Cube_Move_Pixel(layer, 3, 4, layer, 4, 4);
|
|
|
412 |
Cube_Set_Pixel(layer, 3, 4, origin_R, origin_G, origin_B);
|
|
|
413 |
break;
|
|
|
414 |
}
|
| 205 |
Kevin |
415 |
}
|
|
|
416 |
}
|
|
|
417 |
}
|
|
|
418 |
|
| 206 |
Kevin |
419 |
void Cube_Rotate(char direction) {
|
| 205 |
Kevin |
420 |
// Rotate outermost layer
|
| 206 |
Kevin |
421 |
Cube_Rotate_Shell(0, direction);
|
| 205 |
Kevin |
422 |
// Rotate second to outermost layer
|
|
|
423 |
if ((cube_data_ptr->rotation_counter != 1) && (cube_data_ptr->rotation_counter != 5)) {
|
| 206 |
Kevin |
424 |
Cube_Rotate_Shell(1, direction);
|
| 205 |
Kevin |
425 |
}
|
|
|
426 |
// Rotate second to innermost layer
|
|
|
427 |
if ((cube_data_ptr->rotation_counter != 0) && (cube_data_ptr->rotation_counter != 2) &&
|
|
|
428 |
(cube_data_ptr->rotation_counter != 4) && (cube_data_ptr->rotation_counter != 6)) {
|
| 206 |
Kevin |
429 |
Cube_Rotate_Shell(2, direction);
|
| 205 |
Kevin |
430 |
}
|
|
|
431 |
// Rotate innermost layer
|
|
|
432 |
if ((cube_data_ptr->rotation_counter == 3) || (cube_data_ptr->rotation_counter == 7)) {
|
| 206 |
Kevin |
433 |
Cube_Rotate_Shell(3, direction);
|
| 205 |
Kevin |
434 |
}
|
|
|
435 |
|
| 209 |
Kevin |
436 |
if (direction == 0) {
|
|
|
437 |
cube_data_ptr->rotation_counter = (cube_data_ptr->rotation_counter == CUBE_ROTATIONS - 1)
|
|
|
438 |
? 0 : cube_data_ptr->rotation_counter + 1;
|
|
|
439 |
} else {
|
|
|
440 |
cube_data_ptr->rotation_counter = (cube_data_ptr->rotation_counter == 0)
|
|
|
441 |
? CUBE_ROTATIONS - 1 : cube_data_ptr->rotation_counter - 1;
|
|
|
442 |
}
|
| 206 |
Kevin |
443 |
}
|
|
|
444 |
|
| 212 |
Kevin |
445 |
///////////////////////////////
|
|
|
446 |
// Overlay control functions //
|
|
|
447 |
///////////////////////////////
|
| 206 |
Kevin |
448 |
|
|
|
449 |
void Cube_Overlay_Clear(void) {
|
|
|
450 |
int i,j;
|
|
|
451 |
for (i = 0; i < CUBE_LAYER_COUNT; i++)
|
|
|
452 |
for (j = 0; j < GCS_LAYER_SIZE; j++)
|
|
|
453 |
cube_data_ptr->GCS_OVERLAY[i][j] = 0x00;
|
|
|
454 |
}
|
|
|
455 |
|
|
|
456 |
void Cube_Overlay_Set_Pixel(int layer, int row, int column, int R, int G, int B) {
|
|
|
457 |
// Set the specified pixel to the given color
|
|
|
458 |
R &= 0x0FFF;
|
|
|
459 |
G &= 0x0FFF;
|
|
|
460 |
B &= 0x0FFF;
|
|
|
461 |
int var = row * GCS_REG_SIZE + (column / 2 * 9);
|
|
|
462 |
switch (column % 2) {
|
|
|
463 |
case 0:
|
|
|
464 |
cube_data_ptr->GCS_OVERLAY[layer][var+0] = R & 0xFF;
|
|
|
465 |
cube_data_ptr->GCS_OVERLAY[layer][var+1] = (G << 4) | (R >> 8);
|
|
|
466 |
cube_data_ptr->GCS_OVERLAY[layer][var+2] = G >> 4;
|
|
|
467 |
cube_data_ptr->GCS_OVERLAY[layer][var+3] = B & 0xFF;
|
|
|
468 |
cube_data_ptr->GCS_OVERLAY[layer][var+4] = (cube_data_ptr->GCS_OVERLAY[layer][var+4] & 0xF0) | (B >> 8);
|
|
|
469 |
break;
|
|
|
470 |
case 1:
|
|
|
471 |
cube_data_ptr->GCS_OVERLAY[layer][var+4] = (cube_data_ptr->GCS_OVERLAY[layer][var+4] & 0x0F) | (R << 4);
|
|
|
472 |
cube_data_ptr->GCS_OVERLAY[layer][var+5] = R >> 4;
|
|
|
473 |
cube_data_ptr->GCS_OVERLAY[layer][var+6] = G & 0xFF;
|
|
|
474 |
cube_data_ptr->GCS_OVERLAY[layer][var+7] = (B << 4) | (G >> 8);
|
|
|
475 |
cube_data_ptr->GCS_OVERLAY[layer][var+8] = B >> 4;
|
|
|
476 |
break;
|
|
|
477 |
}
|
|
|
478 |
}
|
|
|
479 |
|
|
|
480 |
void Cube_Overlay_Get_Pixel(int layer, int row, int column, int* R, int* G, int* B) {
|
|
|
481 |
int var = row * GCS_REG_SIZE + (column / 2 * 9);
|
|
|
482 |
switch (column % 2) {
|
|
|
483 |
// Concatenate lower byte and upper byte of each color channel
|
|
|
484 |
case 0:
|
|
|
485 |
*R = cube_data_ptr->GCS_OVERLAY[layer][var+0] | ((cube_data_ptr->GCS_OVERLAY[layer][var+1] & 0x0F) << 8);
|
|
|
486 |
*G = (cube_data_ptr->GCS_OVERLAY[layer][var+1] >> 4) | (cube_data_ptr->GCS_OVERLAY[layer][var+2] << 4);
|
|
|
487 |
*B = cube_data_ptr->GCS_OVERLAY[layer][var+3] | ((cube_data_ptr->GCS_OVERLAY[layer][var+4] & 0x0F) << 8);
|
|
|
488 |
break;
|
|
|
489 |
case 1:
|
|
|
490 |
*R = (cube_data_ptr->GCS_OVERLAY[layer][var+4] >> 4) | (cube_data_ptr->GCS_OVERLAY[layer][var+5] << 4);
|
|
|
491 |
*G = cube_data_ptr->GCS_OVERLAY[layer][var+6] | ((cube_data_ptr->GCS_OVERLAY[layer][var+7] & 0x0F) << 8);
|
|
|
492 |
*B = (cube_data_ptr->GCS_OVERLAY[layer][var+7] >> 4) | (cube_data_ptr->GCS_OVERLAY[layer][var+8] << 4);
|
|
|
493 |
break;
|
|
|
494 |
}
|
|
|
495 |
}
|
|
|
496 |
|
|
|
497 |
void Cube_Overlay_Move_Pixel(int layer1, int row1, int column1, int layer2, int row2, int column2) {
|
|
|
498 |
// Copies data from pixel 1 to pixel 2
|
|
|
499 |
// Note: destination pixel value is overwritten
|
|
|
500 |
int prev_R, prev_G, prev_B;
|
|
|
501 |
Cube_Overlay_Get_Pixel(layer1, row1, column1, &prev_R, &prev_G, &prev_B);
|
|
|
502 |
Cube_Overlay_Set_Pixel(layer2, row2, column2, prev_R, prev_G, prev_B);
|
|
|
503 |
}
|
|
|
504 |
|
|
|
505 |
void Cube_Overlay_Rotate_Shell(char shell, char direction) {
|
|
|
506 |
// Shell is the layer to rotate, with the outermost being 0
|
|
|
507 |
int layer, origin_R, origin_G, origin_B;;
|
|
|
508 |
for (layer = 0; layer < CUBE_LAYER_COUNT; layer++) {
|
|
|
509 |
if (direction) {
|
|
|
510 |
switch(shell) {
|
|
|
511 |
case 0:
|
|
|
512 |
// Rotate outermost layer
|
|
|
513 |
Cube_Overlay_Get_Pixel(layer, 0, 0, &origin_R, &origin_G, &origin_B);
|
|
|
514 |
Cube_Overlay_Move_Pixel(layer, 0, 1, layer, 0, 0);
|
|
|
515 |
Cube_Overlay_Move_Pixel(layer, 0, 2, layer, 0, 1);
|
|
|
516 |
Cube_Overlay_Move_Pixel(layer, 0, 3, layer, 0, 2);
|
|
|
517 |
Cube_Overlay_Move_Pixel(layer, 0, 4, layer, 0, 3);
|
|
|
518 |
Cube_Overlay_Move_Pixel(layer, 0, 5, layer, 0, 4);
|
|
|
519 |
Cube_Overlay_Move_Pixel(layer, 0, 6, layer, 0, 5);
|
|
|
520 |
Cube_Overlay_Move_Pixel(layer, 0, 7, layer, 0, 6);
|
|
|
521 |
Cube_Overlay_Move_Pixel(layer, 1, 7, layer, 0, 7);
|
|
|
522 |
Cube_Overlay_Move_Pixel(layer, 2, 7, layer, 1, 7);
|
|
|
523 |
Cube_Overlay_Move_Pixel(layer, 3, 7, layer, 2, 7);
|
|
|
524 |
Cube_Overlay_Move_Pixel(layer, 4, 7, layer, 3, 7);
|
|
|
525 |
Cube_Overlay_Move_Pixel(layer, 5, 7, layer, 4, 7);
|
|
|
526 |
Cube_Overlay_Move_Pixel(layer, 6, 7, layer, 5, 7);
|
|
|
527 |
Cube_Overlay_Move_Pixel(layer, 7, 7, layer, 6, 7);
|
|
|
528 |
Cube_Overlay_Move_Pixel(layer, 7, 6, layer, 7, 7);
|
|
|
529 |
Cube_Overlay_Move_Pixel(layer, 7, 5, layer, 7, 6);
|
|
|
530 |
Cube_Overlay_Move_Pixel(layer, 7, 4, layer, 7, 5);
|
|
|
531 |
Cube_Overlay_Move_Pixel(layer, 7, 3, layer, 7, 4);
|
|
|
532 |
Cube_Overlay_Move_Pixel(layer, 7, 2, layer, 7, 3);
|
|
|
533 |
Cube_Overlay_Move_Pixel(layer, 7, 1, layer, 7, 2);
|
|
|
534 |
Cube_Overlay_Move_Pixel(layer, 7, 0, layer, 7, 1);
|
|
|
535 |
Cube_Overlay_Move_Pixel(layer, 6, 0, layer, 7, 0);
|
|
|
536 |
Cube_Overlay_Move_Pixel(layer, 5, 0, layer, 6, 0);
|
|
|
537 |
Cube_Overlay_Move_Pixel(layer, 4, 0, layer, 5, 0);
|
|
|
538 |
Cube_Overlay_Move_Pixel(layer, 3, 0, layer, 4, 0);
|
|
|
539 |
Cube_Overlay_Move_Pixel(layer, 2, 0, layer, 3, 0);
|
|
|
540 |
Cube_Overlay_Move_Pixel(layer, 1, 0, layer, 2, 0);
|
|
|
541 |
Cube_Overlay_Set_Pixel(layer, 1, 0, origin_R, origin_G, origin_B);
|
|
|
542 |
break;
|
|
|
543 |
case 1:
|
|
|
544 |
// Rotate second to outermost layer
|
|
|
545 |
Cube_Overlay_Get_Pixel(layer, 1, 1, &origin_R, &origin_G, &origin_B);
|
|
|
546 |
Cube_Overlay_Move_Pixel(layer, 1, 2, layer, 1, 1);
|
|
|
547 |
Cube_Overlay_Move_Pixel(layer, 1, 3, layer, 1, 2);
|
|
|
548 |
Cube_Overlay_Move_Pixel(layer, 1, 4, layer, 1, 3);
|
|
|
549 |
Cube_Overlay_Move_Pixel(layer, 1, 5, layer, 1, 4);
|
|
|
550 |
Cube_Overlay_Move_Pixel(layer, 1, 6, layer, 1, 5);
|
|
|
551 |
Cube_Overlay_Move_Pixel(layer, 2, 6, layer, 1, 6);
|
|
|
552 |
Cube_Overlay_Move_Pixel(layer, 3, 6, layer, 2, 6);
|
|
|
553 |
Cube_Overlay_Move_Pixel(layer, 4, 6, layer, 3, 6);
|
|
|
554 |
Cube_Overlay_Move_Pixel(layer, 5, 6, layer, 4, 6);
|
|
|
555 |
Cube_Overlay_Move_Pixel(layer, 6, 6, layer, 5, 6);
|
|
|
556 |
Cube_Overlay_Move_Pixel(layer, 6, 5, layer, 6, 6);
|
|
|
557 |
Cube_Overlay_Move_Pixel(layer, 6, 4, layer, 6, 5);
|
|
|
558 |
Cube_Overlay_Move_Pixel(layer, 6, 3, layer, 6, 4);
|
|
|
559 |
Cube_Overlay_Move_Pixel(layer, 6, 2, layer, 6, 3);
|
|
|
560 |
Cube_Overlay_Move_Pixel(layer, 6, 1, layer, 6, 2);
|
|
|
561 |
Cube_Overlay_Move_Pixel(layer, 5, 1, layer, 6, 1);
|
|
|
562 |
Cube_Overlay_Move_Pixel(layer, 4, 1, layer, 5, 1);
|
|
|
563 |
Cube_Overlay_Move_Pixel(layer, 3, 1, layer, 4, 1);
|
|
|
564 |
Cube_Overlay_Move_Pixel(layer, 2, 1, layer, 3, 1);
|
|
|
565 |
Cube_Overlay_Set_Pixel(layer, 2, 1, origin_R, origin_G, origin_B);
|
|
|
566 |
break;
|
|
|
567 |
case 2:
|
|
|
568 |
// Rotate second to innermost layer
|
|
|
569 |
Cube_Overlay_Get_Pixel(layer, 2, 2, &origin_R, &origin_G, &origin_B);
|
|
|
570 |
Cube_Overlay_Move_Pixel(layer, 2, 3, layer, 2, 2);
|
|
|
571 |
Cube_Overlay_Move_Pixel(layer, 2, 4, layer, 2, 3);
|
|
|
572 |
Cube_Overlay_Move_Pixel(layer, 2, 5, layer, 2, 4);
|
|
|
573 |
Cube_Overlay_Move_Pixel(layer, 3, 5, layer, 2, 5);
|
|
|
574 |
Cube_Overlay_Move_Pixel(layer, 4, 5, layer, 3, 5);
|
|
|
575 |
Cube_Overlay_Move_Pixel(layer, 5, 5, layer, 4, 5);
|
|
|
576 |
Cube_Overlay_Move_Pixel(layer, 5, 4, layer, 5, 5);
|
|
|
577 |
Cube_Overlay_Move_Pixel(layer, 5, 3, layer, 5, 4);
|
|
|
578 |
Cube_Overlay_Move_Pixel(layer, 5, 2, layer, 5, 3);
|
|
|
579 |
Cube_Overlay_Move_Pixel(layer, 4, 2, layer, 5, 2);
|
|
|
580 |
Cube_Overlay_Move_Pixel(layer, 3, 2, layer, 4, 2);
|
|
|
581 |
Cube_Overlay_Set_Pixel(layer, 3, 2, origin_R, origin_G, origin_B);
|
|
|
582 |
break;
|
|
|
583 |
case 3:
|
|
|
584 |
// Rotate innermost layer
|
|
|
585 |
Cube_Overlay_Get_Pixel(layer, 3, 3, &origin_R, &origin_G, &origin_B);
|
|
|
586 |
Cube_Overlay_Move_Pixel(layer, 3, 4, layer, 3, 3);
|
|
|
587 |
Cube_Overlay_Move_Pixel(layer, 4, 4, layer, 3, 4);
|
|
|
588 |
Cube_Overlay_Move_Pixel(layer, 4, 3, layer, 4, 4);
|
|
|
589 |
Cube_Overlay_Set_Pixel(layer, 4, 3, origin_R, origin_G, origin_B);
|
|
|
590 |
break;
|
|
|
591 |
}
|
|
|
592 |
} else {
|
|
|
593 |
switch(shell) {
|
|
|
594 |
case 0:
|
|
|
595 |
// Rotate outermost layer
|
|
|
596 |
Cube_Overlay_Get_Pixel(layer, 0, 0, &origin_R, &origin_G, &origin_B);
|
|
|
597 |
Cube_Overlay_Move_Pixel(layer, 1, 0, layer, 0, 0);
|
|
|
598 |
Cube_Overlay_Move_Pixel(layer, 2, 0, layer, 1, 0);
|
|
|
599 |
Cube_Overlay_Move_Pixel(layer, 3, 0, layer, 2, 0);
|
|
|
600 |
Cube_Overlay_Move_Pixel(layer, 4, 0, layer, 3, 0);
|
|
|
601 |
Cube_Overlay_Move_Pixel(layer, 5, 0, layer, 4, 0);
|
|
|
602 |
Cube_Overlay_Move_Pixel(layer, 6, 0, layer, 5, 0);
|
|
|
603 |
Cube_Overlay_Move_Pixel(layer, 7, 0, layer, 6, 0);
|
|
|
604 |
Cube_Overlay_Move_Pixel(layer, 7, 1, layer, 7, 0);
|
|
|
605 |
Cube_Overlay_Move_Pixel(layer, 7, 2, layer, 7, 1);
|
|
|
606 |
Cube_Overlay_Move_Pixel(layer, 7, 3, layer, 7, 2);
|
|
|
607 |
Cube_Overlay_Move_Pixel(layer, 7, 4, layer, 7, 3);
|
|
|
608 |
Cube_Overlay_Move_Pixel(layer, 7, 5, layer, 7, 4);
|
|
|
609 |
Cube_Overlay_Move_Pixel(layer, 7, 6, layer, 7, 5);
|
|
|
610 |
Cube_Overlay_Move_Pixel(layer, 7, 7, layer, 7, 6);
|
|
|
611 |
Cube_Overlay_Move_Pixel(layer, 6, 7, layer, 7, 7);
|
|
|
612 |
Cube_Overlay_Move_Pixel(layer, 5, 7, layer, 6, 7);
|
|
|
613 |
Cube_Overlay_Move_Pixel(layer, 4, 7, layer, 5, 7);
|
|
|
614 |
Cube_Overlay_Move_Pixel(layer, 3, 7, layer, 4, 7);
|
|
|
615 |
Cube_Overlay_Move_Pixel(layer, 2, 7, layer, 3, 7);
|
|
|
616 |
Cube_Overlay_Move_Pixel(layer, 1, 7, layer, 2, 7);
|
|
|
617 |
Cube_Overlay_Move_Pixel(layer, 0, 7, layer, 1, 7);
|
|
|
618 |
Cube_Overlay_Move_Pixel(layer, 0, 6, layer, 0, 7);
|
|
|
619 |
Cube_Overlay_Move_Pixel(layer, 0, 5, layer, 0, 6);
|
|
|
620 |
Cube_Overlay_Move_Pixel(layer, 0, 4, layer, 0, 5);
|
|
|
621 |
Cube_Overlay_Move_Pixel(layer, 0, 3, layer, 0, 4);
|
|
|
622 |
Cube_Overlay_Move_Pixel(layer, 0, 2, layer, 0, 3);
|
|
|
623 |
Cube_Overlay_Move_Pixel(layer, 0, 1, layer, 0, 2);
|
|
|
624 |
Cube_Overlay_Set_Pixel(layer, 0, 1, origin_R, origin_G, origin_B);
|
|
|
625 |
break;
|
|
|
626 |
case 1:
|
|
|
627 |
// Rotate second to outermost layer
|
|
|
628 |
Cube_Overlay_Get_Pixel(layer, 1, 1, &origin_R, &origin_G, &origin_B);
|
|
|
629 |
Cube_Overlay_Move_Pixel(layer, 2, 1, layer, 1, 1);
|
|
|
630 |
Cube_Overlay_Move_Pixel(layer, 3, 1, layer, 2, 1);
|
|
|
631 |
Cube_Overlay_Move_Pixel(layer, 4, 1, layer, 3, 1);
|
|
|
632 |
Cube_Overlay_Move_Pixel(layer, 5, 1, layer, 4, 1);
|
|
|
633 |
Cube_Overlay_Move_Pixel(layer, 6, 1, layer, 5, 1);
|
|
|
634 |
Cube_Overlay_Move_Pixel(layer, 6, 2, layer, 6, 1);
|
|
|
635 |
Cube_Overlay_Move_Pixel(layer, 6, 3, layer, 6, 2);
|
|
|
636 |
Cube_Overlay_Move_Pixel(layer, 6, 4, layer, 6, 3);
|
|
|
637 |
Cube_Overlay_Move_Pixel(layer, 6, 5, layer, 6, 4);
|
|
|
638 |
Cube_Overlay_Move_Pixel(layer, 6, 6, layer, 6, 5);
|
|
|
639 |
Cube_Overlay_Move_Pixel(layer, 5, 6, layer, 6, 6);
|
|
|
640 |
Cube_Overlay_Move_Pixel(layer, 4, 6, layer, 5, 6);
|
|
|
641 |
Cube_Overlay_Move_Pixel(layer, 3, 6, layer, 4, 6);
|
|
|
642 |
Cube_Overlay_Move_Pixel(layer, 2, 6, layer, 3, 6);
|
|
|
643 |
Cube_Overlay_Move_Pixel(layer, 1, 6, layer, 2, 6);
|
|
|
644 |
Cube_Overlay_Move_Pixel(layer, 1, 5, layer, 1, 6);
|
|
|
645 |
Cube_Overlay_Move_Pixel(layer, 1, 4, layer, 1, 5);
|
|
|
646 |
Cube_Overlay_Move_Pixel(layer, 1, 3, layer, 1, 4);
|
|
|
647 |
Cube_Overlay_Move_Pixel(layer, 1, 2, layer, 1, 3);
|
|
|
648 |
Cube_Overlay_Set_Pixel(layer, 1, 2, origin_R, origin_G, origin_B);
|
|
|
649 |
break;
|
|
|
650 |
case 2:
|
|
|
651 |
// Rotate second to innermost layer
|
|
|
652 |
Cube_Overlay_Get_Pixel(layer, 2, 2, &origin_R, &origin_G, &origin_B);
|
|
|
653 |
Cube_Overlay_Move_Pixel(layer, 3, 2, layer, 2, 2);
|
|
|
654 |
Cube_Overlay_Move_Pixel(layer, 4, 2, layer, 3, 2);
|
|
|
655 |
Cube_Overlay_Move_Pixel(layer, 5, 2, layer, 4, 2);
|
|
|
656 |
Cube_Overlay_Move_Pixel(layer, 5, 3, layer, 5, 2);
|
|
|
657 |
Cube_Overlay_Move_Pixel(layer, 5, 4, layer, 5, 3);
|
|
|
658 |
Cube_Overlay_Move_Pixel(layer, 5, 5, layer, 5, 4);
|
|
|
659 |
Cube_Overlay_Move_Pixel(layer, 4, 5, layer, 5, 5);
|
|
|
660 |
Cube_Overlay_Move_Pixel(layer, 3, 5, layer, 4, 5);
|
|
|
661 |
Cube_Overlay_Move_Pixel(layer, 2, 5, layer, 3, 5);
|
|
|
662 |
Cube_Overlay_Move_Pixel(layer, 2, 4, layer, 2, 5);
|
|
|
663 |
Cube_Overlay_Move_Pixel(layer, 2, 3, layer, 2, 4);
|
|
|
664 |
Cube_Overlay_Set_Pixel(layer, 2, 3, origin_R, origin_G, origin_B);
|
|
|
665 |
break;
|
|
|
666 |
case 3:
|
|
|
667 |
// Rotate innermost layer
|
|
|
668 |
Cube_Overlay_Get_Pixel(layer, 3, 3, &origin_R, &origin_G, &origin_B);
|
|
|
669 |
Cube_Overlay_Move_Pixel(layer, 4, 3, layer, 3, 3);
|
|
|
670 |
Cube_Overlay_Move_Pixel(layer, 4, 4, layer, 4, 3);
|
|
|
671 |
Cube_Overlay_Move_Pixel(layer, 3, 4, layer, 4, 4);
|
|
|
672 |
Cube_Overlay_Set_Pixel(layer, 3, 4, origin_R, origin_G, origin_B);
|
|
|
673 |
break;
|
|
|
674 |
}
|
|
|
675 |
}
|
|
|
676 |
}
|
|
|
677 |
}
|
|
|
678 |
|
| 212 |
Kevin |
679 |
////////////////////////////
|
|
|
680 |
// Text control functions //
|
|
|
681 |
////////////////////////////
|
| 206 |
Kevin |
682 |
|
|
|
683 |
void Cube_Text_Init(char *string, char length, int R, int G, int B) {
|
|
|
684 |
// Ensure that the length of the string does not exceed the storage buffer
|
|
|
685 |
if (length > CUBE_STRING_MAX_LENGTH) length = CUBE_STRING_MAX_LENGTH;
|
|
|
686 |
|
| 215 |
Kevin |
687 |
Cube_Overlay_Clear();
|
|
|
688 |
|
| 206 |
Kevin |
689 |
// Copy the passed data into the buffer
|
|
|
690 |
int i;
|
|
|
691 |
for (i = 0; i < length; i++)
|
|
|
692 |
cube_data_ptr->string[i] = string[i];
|
|
|
693 |
cube_data_ptr->string_length = length;
|
|
|
694 |
cube_data_ptr->string_index = 0;
|
|
|
695 |
cube_data_ptr->string_line = 0;
|
|
|
696 |
cube_data_ptr->string_R = R;
|
|
|
697 |
cube_data_ptr->string_G = G;
|
|
|
698 |
cube_data_ptr->string_B = B;
|
|
|
699 |
}
|
|
|
700 |
|
|
|
701 |
void Cube_Text_Interrupt(void) {
|
|
|
702 |
int layer, line;
|
|
|
703 |
|
|
|
704 |
// Rotate before drawing the new line at (0,0)
|
|
|
705 |
Cube_Overlay_Rotate_Shell(0, 0);
|
|
|
706 |
|
|
|
707 |
// Get the next vertical line of the character currently being drawn
|
|
|
708 |
if (cube_data_ptr->string_line == 5) {
|
|
|
709 |
line = 0x0; // Leave a space between characters
|
|
|
710 |
} else {
|
|
|
711 |
line = font[(cube_data_ptr->string[cube_data_ptr->string_index] * 5)
|
|
|
712 |
+ cube_data_ptr->string_line];
|
|
|
713 |
}
|
|
|
714 |
|
|
|
715 |
// Draw the line onto (0,0) using the specified color
|
|
|
716 |
for (layer = 7; layer >= 0; layer--) {
|
|
|
717 |
if (line & 0x1) {
|
|
|
718 |
Cube_Overlay_Set_Pixel(layer, 0, 0, cube_data_ptr->string_R,
|
|
|
719 |
cube_data_ptr->string_G, cube_data_ptr->string_B);
|
|
|
720 |
} else {
|
|
|
721 |
Cube_Overlay_Set_Pixel(layer, 0, 0, 0x00, 0x00, 0x00);
|
|
|
722 |
}
|
|
|
723 |
line >>= 1;
|
|
|
724 |
}
|
|
|
725 |
|
|
|
726 |
// Increment the vertical line and the character as needed
|
|
|
727 |
if (cube_data_ptr->string_line == 5) {
|
|
|
728 |
cube_data_ptr->string_line = 0;
|
|
|
729 |
if (cube_data_ptr->string_index == cube_data_ptr->string_length-1) {
|
|
|
730 |
cube_data_ptr->string_index = 0;
|
|
|
731 |
} else {
|
|
|
732 |
cube_data_ptr->string_index += 1;
|
|
|
733 |
}
|
|
|
734 |
} else {
|
|
|
735 |
cube_data_ptr->string_line += 1;
|
|
|
736 |
}
|
| 212 |
Kevin |
737 |
}
|
|
|
738 |
|
|
|
739 |
/////////////////////////////////////////////
|
|
|
740 |
// Functions for processing streaming data //
|
|
|
741 |
/////////////////////////////////////////////
|
|
|
742 |
|
|
|
743 |
void Cube_Data_In(char c) {
|
|
|
744 |
// Reset upon receiving the start char
|
|
|
745 |
if (c == CUBE_START_CHAR) {
|
|
|
746 |
cube_data_ptr->frame_length = 0;
|
|
|
747 |
cube_data_ptr->frame_index = 0;
|
|
|
748 |
cube_data_ptr->frame_checksum = 0;
|
|
|
749 |
cube_data_ptr->frame_command = 0;
|
| 215 |
Kevin |
750 |
cube_data_ptr->frame_escape = 0;
|
| 212 |
Kevin |
751 |
cube_data_ptr->frame_state = READ_LENGTH_MSB;
|
| 215 |
Kevin |
752 |
return;
|
|
|
753 |
}
|
|
|
754 |
// If the input is the escape char, XOR the next char received
|
|
|
755 |
if (c == CUBE_ESCAPE_CHAR) {
|
|
|
756 |
cube_data_ptr->frame_escape = 1;
|
|
|
757 |
return;
|
|
|
758 |
}
|
|
|
759 |
// XOR the input char if needed
|
|
|
760 |
if (cube_data_ptr->frame_escape) {
|
|
|
761 |
c ^= CUBE_ESCAPE_XOR;
|
|
|
762 |
cube_data_ptr->frame_escape = 0;
|
|
|
763 |
}
|
|
|
764 |
// Process data
|
|
|
765 |
switch (cube_data_ptr->frame_state) {
|
|
|
766 |
case IDLE:
|
|
|
767 |
// Reflect the character back to the transmitter
|
|
|
768 |
UART1_Write(&c, 1);
|
|
|
769 |
break;
|
|
|
770 |
case READ_LENGTH_MSB: // Save MSB of length
|
|
|
771 |
cube_data_ptr->frame_length |= (c << 8);
|
|
|
772 |
cube_data_ptr->frame_state = READ_LENGTH_LSB;
|
|
|
773 |
break;
|
|
|
774 |
case READ_LENGTH_LSB: // Save LSB of length
|
|
|
775 |
cube_data_ptr->frame_length |= c;
|
|
|
776 |
cube_data_ptr->frame_state = READ_COMMAND;
|
|
|
777 |
break;
|
|
|
778 |
case READ_COMMAND: // Store the command byte
|
|
|
779 |
cube_data_ptr->frame_checksum += c;
|
|
|
780 |
cube_data_ptr->frame_command = c;
|
|
|
781 |
if (cube_data_ptr->frame_length == 1)
|
|
|
782 |
cube_data_ptr->frame_state = READ_CHECKSUM;
|
|
|
783 |
else
|
| 212 |
Kevin |
784 |
cube_data_ptr->frame_state = READ_DATA;
|
| 215 |
Kevin |
785 |
break;
|
|
|
786 |
case READ_DATA: // Read the passed data into the buffer
|
|
|
787 |
cube_data_ptr->frame_checksum += c;
|
|
|
788 |
cube_data_ptr->frame_buffer[cube_data_ptr->frame_index] = c;
|
|
|
789 |
cube_data_ptr->frame_index++;
|
|
|
790 |
if (cube_data_ptr->frame_index == cube_data_ptr->frame_length - 1)
|
|
|
791 |
cube_data_ptr->frame_state = READ_CHECKSUM;
|
|
|
792 |
break;
|
|
|
793 |
case READ_CHECKSUM: // Process frame if checksum is valid
|
|
|
794 |
cube_data_ptr->frame_checksum = 0xFF - cube_data_ptr->frame_checksum;
|
|
|
795 |
if (cube_data_ptr->frame_checksum == c) {
|
|
|
796 |
Cube_Data_In_Process_Frame();
|
|
|
797 |
}
|
|
|
798 |
cube_data_ptr->frame_state = IDLE;
|
|
|
799 |
cube_data_ptr->frame_index = 0;
|
|
|
800 |
cube_data_ptr->frame_length = 0;
|
|
|
801 |
break;
|
|
|
802 |
default:
|
|
|
803 |
break;
|
| 212 |
Kevin |
804 |
}
|
|
|
805 |
}
|
|
|
806 |
|
|
|
807 |
void Cube_Data_In_Process_Frame(void) {
|
| 215 |
Kevin |
808 |
// Here we process received frames depending on the command
|
| 212 |
Kevin |
809 |
char *frame = cube_data_ptr->frame_buffer;
|
|
|
810 |
switch (cube_data_ptr->frame_command) {
|
| 215 |
Kevin |
811 |
case CUBE_COMMAND_SET_BC:
|
|
|
812 |
TIMER5_Stop();
|
|
|
813 |
Delay_MS(1); // Need to wait for all SPI writes to complete
|
|
|
814 |
Cube_Write_DCS(frame[0]);
|
|
|
815 |
TIMER5_Start();
|
|
|
816 |
break;
|
|
|
817 |
case CUBE_COMMAND_CLEAR:
|
|
|
818 |
Cube_Clear();
|
|
|
819 |
break;
|
| 212 |
Kevin |
820 |
case CUBE_COMMAND_SET_PIXEL:
|
|
|
821 |
Cube_Set_Pixel(frame[0], frame[1], frame[2], frame[3], frame[4], frame[5]);
|
|
|
822 |
break;
|
| 216 |
Kevin |
823 |
case CUBE_COMMAND_SET_ALL:
|
|
|
824 |
Cube_Data_Direct_Write_All(&frame[0]);
|
| 215 |
Kevin |
825 |
break;
|
|
|
826 |
case CUBE_COMMAND_START_TEXT:
|
|
|
827 |
Cube_Text_Init(&frame[3], cube_data_ptr->frame_length - 4, frame[0], frame[1], frame[2]);
|
|
|
828 |
TIMER4_Start();
|
|
|
829 |
break;
|
|
|
830 |
case CUBE_COMMAND_STOP_TEXT:
|
|
|
831 |
TIMER4_Stop();
|
|
|
832 |
Cube_Overlay_Clear();
|
|
|
833 |
break;
|
| 212 |
Kevin |
834 |
default:
|
|
|
835 |
break;
|
|
|
836 |
}
|
| 215 |
Kevin |
837 |
}
|
|
|
838 |
|
| 216 |
Kevin |
839 |
void Cube_Data_Direct_Write_All(char *buffer) {
|
|
|
840 |
memcpy(cube_data_ptr->GCS, buffer, CUBE_LAYER_COUNT * GCS_LAYER_SIZE);
|
| 199 |
Kevin |
841 |
}
|