Martin Deng / Mbed 2 deprecated mbed_shapedriver

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Dependencies:   mbed

main.cpp@5:495d64d8934d, 2015-05-01 (annotated)

Committer:
martydd3
Date:
Fri May 01 05:25:19 2015 +0000
Revision:
5:495d64d8934d
Parent:
4:75498bd2e742
Child:
6:baece3338bfe
Moved all drawing to primative functions

Who changed what in which revision?

UserRevisionLine numberNew contents of line
martydd3 0:b654a906fb40 1 #include "mbed.h"
martydd3 0:b654a906fb40 2 #include "MRF24J40.h"
martydd3 0:b654a906fb40 3
martydd3 0:b654a906fb40 4 #include <string>
martydd3 0:b654a906fb40 5 #include "constants.h"
martydd3 5:495d64d8934d 6 #include "shape_drawer.h"
martydd3 0:b654a906fb40 7
martydd3 0:b654a906fb40 8 // RF tranceiver to link with handheld.
martydd3 0:b654a906fb40 9 MRF24J40 mrf(p11, p12, p13, p14, p26);
martydd3 0:b654a906fb40 10
martydd3 0:b654a906fb40 11 // LEDs you can treat these as variables (led2 = 1 will turn led2 on!)
martydd3 0:b654a906fb40 12 DigitalOut led1(LED1);
martydd3 0:b654a906fb40 13 DigitalOut led2(LED2);
martydd3 0:b654a906fb40 14 DigitalOut led3(LED3);
martydd3 0:b654a906fb40 15 DigitalOut led4(LED4);
martydd3 0:b654a906fb40 16
martydd3 0:b654a906fb40 17 // Timer
martydd3 0:b654a906fb40 18 Timer timer;
martydd3 0:b654a906fb40 19
martydd3 0:b654a906fb40 20 // Serial port for showing RX data.
martydd3 0:b654a906fb40 21 Serial pc(USBTX, USBRX);
martydd3 0:b654a906fb40 22
martydd3 0:b654a906fb40 23 // Used for sending and receiving
martydd3 0:b654a906fb40 24 char txBuffer[128];
martydd3 0:b654a906fb40 25 char rxBuffer[128];
martydd3 0:b654a906fb40 26 int rxLen;
martydd3 0:b654a906fb40 27
martydd3 0:b654a906fb40 28 //***************** Do not change these methods (please) *****************//
martydd3 0:b654a906fb40 29
martydd3 0:b654a906fb40 30 /**
martydd3 0:b654a906fb40 31 * Receive data from the MRF24J40.
martydd3 0:b654a906fb40 32 *
martydd3 0:b654a906fb40 33 * @param data A pointer to a char array to hold the data
martydd3 0:b654a906fb40 34 * @param maxLength The max amount of data to read.
martydd3 0:b654a906fb40 35 */
martydd3 0:b654a906fb40 36 int rf_receive(char *data, uint8_t maxLength)
martydd3 0:b654a906fb40 37 {
martydd3 0:b654a906fb40 38 uint8_t len = mrf.Receive((uint8_t *)data, maxLength);
martydd3 0:b654a906fb40 39 uint8_t header[8]= {1, 8, 0, 0xA1, 0xB2, 0xC3, 0xD4, 0x00};
martydd3 0:b654a906fb40 40
martydd3 0:b654a906fb40 41 if(len > 10) {
martydd3 0:b654a906fb40 42 //Remove the header and footer of the message
martydd3 0:b654a906fb40 43 for(uint8_t i = 0; i < len-2; i++) {
martydd3 0:b654a906fb40 44 if(i<8) {
martydd3 0:b654a906fb40 45 //Make sure our header is valid first
martydd3 0:b654a906fb40 46 if(data[i] != header[i])
martydd3 0:b654a906fb40 47 return 0;
martydd3 0:b654a906fb40 48 } else {
martydd3 0:b654a906fb40 49 data[i-8] = data[i];
martydd3 0:b654a906fb40 50 }
martydd3 0:b654a906fb40 51 }
martydd3 0:b654a906fb40 52
martydd3 0:b654a906fb40 53 //pc.printf("Received: %s length:%d\r\n", data, ((int)len)-10);
martydd3 0:b654a906fb40 54 }
martydd3 0:b654a906fb40 55 return ((int)len)-10;
martydd3 0:b654a906fb40 56 }
martydd3 0:b654a906fb40 57
martydd3 0:b654a906fb40 58 /**
martydd3 0:b654a906fb40 59 * Send data to another MRF24J40.
martydd3 0:b654a906fb40 60 *
martydd3 0:b654a906fb40 61 * @param data The string to send
martydd3 0:b654a906fb40 62 * @param maxLength The length of the data to send.
martydd3 0:b654a906fb40 63 * If you are sending a null-terminated string you can pass strlen(data)+1
martydd3 0:b654a906fb40 64 */
martydd3 0:b654a906fb40 65 void rf_send(char *data, uint8_t len)
martydd3 0:b654a906fb40 66 {
martydd3 0:b654a906fb40 67 //We need to prepend the message with a valid ZigBee header
martydd3 0:b654a906fb40 68 uint8_t header[8]= {1, 8, 0, 0xA1, 0xB2, 0xC3, 0xD4, 0x00};
martydd3 0:b654a906fb40 69 uint8_t *send_buf = (uint8_t *) malloc( sizeof(uint8_t) * (len+8) );
martydd3 0:b654a906fb40 70
martydd3 0:b654a906fb40 71 for(uint8_t i = 0; i < len+8; i++) {
martydd3 0:b654a906fb40 72 //prepend the 8-byte header
martydd3 0:b654a906fb40 73 send_buf[i] = (i<8) ? header[i] : data[i-8];
martydd3 0:b654a906fb40 74 }
martydd3 0:b654a906fb40 75 //pc.printf("Sent: %s\r\n", send_buf+8);
martydd3 0:b654a906fb40 76
martydd3 0:b654a906fb40 77 mrf.Send(send_buf, len+8);
martydd3 0:b654a906fb40 78 free(send_buf);
martydd3 0:b654a906fb40 79 }
martydd3 0:b654a906fb40 80
martydd3 2:4b42ccb9df8d 81 /*******************************************************************/
martydd3 2:4b42ccb9df8d 82 // Display interrupt and drivers
martydd3 2:4b42ccb9df8d 83
martydd3 2:4b42ccb9df8d 84 int frame_id = 0;
martydd3 2:4b42ccb9df8d 85 char frame_buffer1[SLICES][WIDTH];
martydd3 2:4b42ccb9df8d 86 char frame_buffer2[SLICES][WIDTH];
martydd3 0:b654a906fb40 87 char work_buffer[SLICES][WIDTH];
martydd3 0:b654a906fb40 88
martydd3 2:4b42ccb9df8d 89 int slice_i = 100;
martydd3 0:b654a906fb40 90 BusOut blade(p15, p16, p17, p18, p19, p20, p21, p22);
martydd3 0:b654a906fb40 91 DigitalOut clk(p23);
martydd3 0:b654a906fb40 92 DigitalOut disp(p24);
martydd3 0:b654a906fb40 93 Ticker pixel_ticker;
martydd3 0:b654a906fb40 94
martydd3 2:4b42ccb9df8d 95 void push_pixels(){
martydd3 2:4b42ccb9df8d 96 for(int j = 8; j < WIDTH; j++){
martydd3 2:4b42ccb9df8d 97 if(frame_id == 0)
martydd3 2:4b42ccb9df8d 98 blade = frame_buffer1[slice_i][j];
martydd3 2:4b42ccb9df8d 99 else
martydd3 2:4b42ccb9df8d 100 blade = frame_buffer2[slice_i][j];
martydd3 2:4b42ccb9df8d 101
martydd3 2:4b42ccb9df8d 102 clk = 1;
martydd3 2:4b42ccb9df8d 103 clk = 0;
martydd3 2:4b42ccb9df8d 104 }
martydd3 2:4b42ccb9df8d 105
martydd3 2:4b42ccb9df8d 106 for(int j = 7; j >= 0; j--){
martydd3 2:4b42ccb9df8d 107 if(frame_id == 0)
martydd3 2:4b42ccb9df8d 108 blade = frame_buffer1[slice_i][j];
martydd3 2:4b42ccb9df8d 109 else
martydd3 2:4b42ccb9df8d 110 blade = frame_buffer2[slice_i][j];
martydd3 2:4b42ccb9df8d 111
martydd3 2:4b42ccb9df8d 112 clk = 1;
martydd3 2:4b42ccb9df8d 113 clk = 0;
martydd3 2:4b42ccb9df8d 114 }
martydd3 2:4b42ccb9df8d 115
martydd3 2:4b42ccb9df8d 116 disp = 1;
martydd3 2:4b42ccb9df8d 117 disp = 0;
martydd3 2:4b42ccb9df8d 118
martydd3 2:4b42ccb9df8d 119 slice_i = (slice_i + 1)%SLICES;
martydd3 2:4b42ccb9df8d 120 }
martydd3 2:4b42ccb9df8d 121
martydd3 2:4b42ccb9df8d 122 //Hall sensor interupt
martydd3 2:4b42ccb9df8d 123 double rotate_time;
martydd3 2:4b42ccb9df8d 124 double slice_time;
martydd3 2:4b42ccb9df8d 125
martydd3 2:4b42ccb9df8d 126 Timer hall_timer;
martydd3 2:4b42ccb9df8d 127
martydd3 2:4b42ccb9df8d 128 void rotate_sense(){
martydd3 2:4b42ccb9df8d 129 static bool firstTime = false;
martydd3 2:4b42ccb9df8d 130
martydd3 2:4b42ccb9df8d 131 if (firstTime){
martydd3 2:4b42ccb9df8d 132 hall_timer.reset();
martydd3 2:4b42ccb9df8d 133 hall_timer.start();
martydd3 2:4b42ccb9df8d 134 firstTime = false;
martydd3 2:4b42ccb9df8d 135 return;
martydd3 2:4b42ccb9df8d 136 }
martydd3 2:4b42ccb9df8d 137
martydd3 2:4b42ccb9df8d 138 rotate_time = hall_timer.read_us();
martydd3 2:4b42ccb9df8d 139 hall_timer.reset();
martydd3 2:4b42ccb9df8d 140 hall_timer.start();
martydd3 2:4b42ccb9df8d 141
martydd3 2:4b42ccb9df8d 142 slice_time = (double) rotate_time/SLICES;
martydd3 2:4b42ccb9df8d 143 slice_i = 0;
martydd3 2:4b42ccb9df8d 144 pixel_ticker.attach_us(&push_pixels, slice_time);
martydd3 2:4b42ccb9df8d 145 }
martydd3 2:4b42ccb9df8d 146
martydd3 2:4b42ccb9df8d 147 /***************************************************************/
martydd3 2:4b42ccb9df8d 148 //code to adjust for offset blades and vertical alignment
martydd3 2:4b42ccb9df8d 149
martydd3 0:b654a906fb40 150 int displaces[HEIGHT];
martydd3 0:b654a906fb40 151
martydd3 0:b654a906fb40 152 void convert_array(){
martydd3 5:495d64d8934d 153 if(frame_id == 0){
martydd3 5:495d64d8934d 154 move_buffer(&frame_buffer2);
martydd3 5:495d64d8934d 155 frame_id = 1;
martydd3 5:495d64d8934d 156 } else {
martydd3 5:495d64d8934d 157 move_buffer(&frame_buffer1);
martydd3 5:495d64d8934d 158 frame_id = 0;
martydd3 2:4b42ccb9df8d 159 }
martydd3 2:4b42ccb9df8d 160 }
martydd3 2:4b42ccb9df8d 161
martydd3 2:4b42ccb9df8d 162 int display_mode = 0;
martydd3 2:4b42ccb9df8d 163 Ticker animate_ticker;
martydd3 2:4b42ccb9df8d 164 void animate(){
martydd3 2:4b42ccb9df8d 165
martydd3 2:4b42ccb9df8d 166 for(int i = 0; i < SLICES; i++){
martydd3 2:4b42ccb9df8d 167 for(int j = 0; j < WIDTH; j++){
martydd3 2:4b42ccb9df8d 168 work_buffer[i][j] = 0x00;
martydd3 2:4b42ccb9df8d 169 }
martydd3 2:4b42ccb9df8d 170 }
martydd3 2:4b42ccb9df8d 171
martydd3 2:4b42ccb9df8d 172 if(display_mode == 1)
martydd3 2:4b42ccb9df8d 173 {
martydd3 5:495d64d8934d 174 static int disp = 0;
martydd3 5:495d64d8934d 175 for(int i = 3; i < WIDTH; i++){
martydd3 5:495d64d8934d 176 draw_wavecircle(i, 4, disp);
martydd3 5:495d64d8934d 177 }
martydd3 2:4b42ccb9df8d 178
martydd3 5:495d64d8934d 179 disp += 10;
martydd3 5:495d64d8934d 180 if(disp >= SLICES){
martydd3 5:495d64d8934d 181 disp = 0;
martydd3 5:495d64d8934d 182 }
martydd3 2:4b42ccb9df8d 183 }
martydd3 2:4b42ccb9df8d 184 else if(display_mode == 2)
martydd3 2:4b42ccb9df8d 185 {
martydd3 5:495d64d8934d 186 draw_line(10, 10, 0, 10, -10, 0);
martydd3 5:495d64d8934d 187 draw_line(10, -10, 0, -10, -10, 0);
martydd3 5:495d64d8934d 188 draw_line(-10, -10, 0, -10, 10, 0);
martydd3 5:495d64d8934d 189 draw_line(-10, 10, 0, 10, 10, 0);
martydd3 5:495d64d8934d 190
martydd3 5:495d64d8934d 191 draw_line(10, 10, 7, 10, -10, 7);
martydd3 5:495d64d8934d 192 draw_line(10, -10, 7, -10, -10, 7);
martydd3 5:495d64d8934d 193 draw_line(-10, -10, 7, -10, 10, 7);
martydd3 5:495d64d8934d 194 draw_line(-10, 10, 7, 10, 10, 7);
martydd3 2:4b42ccb9df8d 195
martydd3 5:495d64d8934d 196 draw_line(10, 10, 0, 10, 10, 7);
martydd3 5:495d64d8934d 197 draw_line(10, -10, 0, 10, -10, 7);
martydd3 5:495d64d8934d 198 draw_line(-10, -10, 0, -10, -10, 7);
martydd3 5:495d64d8934d 199 draw_line(-10, 10, 0, -10, 10, 7);
martydd3 5:495d64d8934d 200
martydd3 2:4b42ccb9df8d 201 }
martydd3 2:4b42ccb9df8d 202 else if(display_mode == 3)
martydd3 2:4b42ccb9df8d 203 {
martydd3 4:75498bd2e742 204
martydd3 2:4b42ccb9df8d 205 } else if(display_mode == 4){
martydd3 5:495d64d8934d 206 for(int i = -12; i < 13; i += 4){
martydd3 5:495d64d8934d 207 draw_line(i, 16, 0, i, -16, 0);
martydd3 5:495d64d8934d 208 draw_line(16, i, 0, -16, i, 0);
martydd3 5:495d64d8934d 209 }
martydd3 2:4b42ccb9df8d 210 }
martydd3 2:4b42ccb9df8d 211
martydd3 2:4b42ccb9df8d 212 convert_array();
martydd3 2:4b42ccb9df8d 213 }
martydd3 2:4b42ccb9df8d 214
martydd3 2:4b42ccb9df8d 215 bool animate_i = false;
martydd3 2:4b42ccb9df8d 216 void animate_int(){
martydd3 2:4b42ccb9df8d 217 animate_i = true;
martydd3 0:b654a906fb40 218 }
martydd3 0:b654a906fb40 219
martydd3 0:b654a906fb40 220 int main (void)
martydd3 0:b654a906fb40 221 {
martydd3 5:495d64d8934d 222 display_mode = 1;
martydd3 2:4b42ccb9df8d 223
martydd3 0:b654a906fb40 224 InterruptIn hall_pin(p25);
martydd3 0:b654a906fb40 225 hall_pin.fall(&rotate_sense);
martydd3 2:4b42ccb9df8d 226 animate_ticker.attach(&animate_int, 3.0);
martydd3 0:b654a906fb40 227
martydd3 0:b654a906fb40 228 uint8_t channel = 2;
martydd3 0:b654a906fb40 229
martydd3 0:b654a906fb40 230 //Set the Channel. 0 is default, 15 is max
martydd3 0:b654a906fb40 231 mrf.SetChannel(channel);
martydd3 0:b654a906fb40 232
martydd3 0:b654a906fb40 233 while(true) {
martydd3 2:4b42ccb9df8d 234 if(animate_i){
martydd3 2:4b42ccb9df8d 235 animate();
martydd3 2:4b42ccb9df8d 236 }
martydd3 0:b654a906fb40 237 }
martydd3 0:b654a906fb40 238 }