SmartWheels self-driving race car. Designed for NXP Cup. Uses FRDM-KL25Z, area-scan camera, and simple image processing to detect and navigate any NXP spec track.

Dependencies:   TSI USBDevice mbed-dev

Fork of SmartWheels by haofan Zheng

Committer:
hazheng
Date:
Thu Apr 20 21:04:10 2017 +0000
Revision:
100:ffbeefc9e218
Parent:
97:0ed9ede9a995
Better version of Intersection detection.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hazheng 40:be98219930e4 1 #include "ArduUTFT.h"
hazheng 40:be98219930e4 2
hazheng 57:0d8a155d511d 3 //#define SW_DEBUG
hazheng 40:be98219930e4 4 #include "GlobalVariable.h"
hazheng 56:7d3395ae022d 5
hazheng 42:c4e1606087ff 6 #include "ArduUTFTFont.h"
hazheng 40:be98219930e4 7
hazheng 40:be98219930e4 8 extern SPI g_spi_port;
hazheng 40:be98219930e4 9
hazheng 40:be98219930e4 10 #define UTFT_DISP_TRANS_MODE 8
hazheng 40:be98219930e4 11
hazheng 40:be98219930e4 12
hazheng 40:be98219930e4 13 #define swap(type, i, j) {type t = i; i = j; j = t;}
hazheng 40:be98219930e4 14
hazheng 40:be98219930e4 15
hazheng 46:a5eb9bd3bb55 16 #ifdef __cplusplus
hazheng 46:a5eb9bd3bb55 17 extern "C" {
hazheng 46:a5eb9bd3bb55 18 #endif
hazheng 46:a5eb9bd3bb55 19
hazheng 40:be98219930e4 20
hazheng 46:a5eb9bd3bb55 21 static uint8_t * current_font = NULL;
hazheng 46:a5eb9bd3bb55 22 static uint8_t font_x_size = 0;
hazheng 46:a5eb9bd3bb55 23 static uint8_t font_y_size = 0;
hazheng 46:a5eb9bd3bb55 24 static uint8_t font_offset = 0;
hazheng 46:a5eb9bd3bb55 25 //static uint8_t font_numchars = 0;
hazheng 46:a5eb9bd3bb55 26
hazheng 46:a5eb9bd3bb55 27 static uint8_t front_color_high = 0;
hazheng 46:a5eb9bd3bb55 28 static uint8_t front_color_low = 0;
hazheng 46:a5eb9bd3bb55 29
hazheng 46:a5eb9bd3bb55 30
hazheng 46:a5eb9bd3bb55 31 static DigitalOut utft_cs(PIN_AUC_CS, 1);
hazheng 46:a5eb9bd3bb55 32 static DigitalOut utft_sd_cs(PIN_AUC_SD_CS, 1);
hazheng 41:7b21c5e3599e 33
Bobymicjohn 97:0ed9ede9a995 34 inline void ardu_utft_spi_write_8(int address, int value)
hazheng 40:be98219930e4 35 {
hazheng 40:be98219930e4 36 utft_cs = 0;
hazheng 40:be98219930e4 37 g_spi_port.write(address | 0x80);
hazheng 40:be98219930e4 38 g_spi_port.write(value);
hazheng 40:be98219930e4 39 utft_cs = 1;
hazheng 40:be98219930e4 40 }
hazheng 40:be98219930e4 41
Bobymicjohn 97:0ed9ede9a995 42 inline uint8_t ardu_utft_spi_read_8(int address)
hazheng 79:bdbac82c979b 43 {
hazheng 40:be98219930e4 44 utft_cs = 0;
hazheng 40:be98219930e4 45 g_spi_port.write(address & 0x7F);
hazheng 40:be98219930e4 46 uint8_t value = static_cast<uint8_t>(g_spi_port.write(0x00));
hazheng 40:be98219930e4 47 utft_cs = 1;
hazheng 79:bdbac82c979b 48
hazheng 40:be98219930e4 49 return value;
hazheng 40:be98219930e4 50 }
hazheng 40:be98219930e4 51
hazheng 41:7b21c5e3599e 52 inline void ardu_utft_write_COM_internal(uint8_t VL)
hazheng 40:be98219930e4 53 {
hazheng 40:be98219930e4 54 utft_cs = 0;
hazheng 40:be98219930e4 55 g_spi_port.write(0xBE);
hazheng 40:be98219930e4 56 g_spi_port.write(VL);
hazheng 40:be98219930e4 57 utft_cs = 1;
hazheng 40:be98219930e4 58 }
hazheng 40:be98219930e4 59
hazheng 41:7b21c5e3599e 60 inline void ardu_utft_write_DATA_internal(uint8_t VH, uint8_t VL)
hazheng 40:be98219930e4 61 {
hazheng 40:be98219930e4 62 utft_cs = 0;
hazheng 40:be98219930e4 63 g_spi_port.write(0xBF);
hazheng 40:be98219930e4 64 g_spi_port.write(VH);
hazheng 41:7b21c5e3599e 65 utft_cs = 1;
hazheng 41:7b21c5e3599e 66 utft_cs = 0;
hazheng 40:be98219930e4 67 g_spi_port.write(0xBF);
hazheng 40:be98219930e4 68 g_spi_port.write(VL);
hazheng 40:be98219930e4 69 utft_cs = 1;
hazheng 79:bdbac82c979b 70
hazheng 40:be98219930e4 71 }
hazheng 40:be98219930e4 72
hazheng 41:7b21c5e3599e 73 inline void ardu_utft_write_COM_DATA_internal(uint8_t com1, uint16_t dat1)
hazheng 40:be98219930e4 74 {
hazheng 41:7b21c5e3599e 75 ardu_utft_write_COM_internal(com1);
hazheng 41:7b21c5e3599e 76 ardu_utft_write_DATA_internal((dat1 >> 8) & 0xFF, dat1);
hazheng 41:7b21c5e3599e 77 }
hazheng 41:7b21c5e3599e 78
hazheng 41:7b21c5e3599e 79 void ardu_utft_write_DATA(uint8_t VH, uint8_t VL)
hazheng 41:7b21c5e3599e 80 {
hazheng 41:7b21c5e3599e 81 ardu_utft_write_DATA_internal(VH, VL);
hazheng 40:be98219930e4 82 }
hazheng 40:be98219930e4 83
hazheng 40:be98219930e4 84 void ardu_utft_init()
hazheng 40:be98219930e4 85 {
Bobymicjohn 97:0ed9ede9a995 86 uint8_t VerNum = ardu_utft_spi_read_8(ARDUCHIP_VER_UTFT);
Bobymicjohn 97:0ed9ede9a995 87 VerNum = ardu_utft_spi_read_8(ARDUCHIP_VER_UTFT);
hazheng 40:be98219930e4 88
Bobymicjohn 97:0ed9ede9a995 89 ardu_utft_spi_write_8(ARDUCHIP_TEST1_UTFT, ARDUCHIP_TEST_MSG_UTFT);
Bobymicjohn 97:0ed9ede9a995 90 uint8_t testV = ardu_utft_spi_read_8(ARDUCHIP_TEST1_UTFT);
hazheng 40:be98219930e4 91 if(VerNum != ARDUCHIP_VER_NUM_UTFT || testV != ARDUCHIP_TEST_MSG_UTFT)
hazheng 40:be98219930e4 92 {
hazheng 96:ec89c4d1383d 93
hazheng 40:be98219930e4 94 }
hazheng 40:be98219930e4 95 else
hazheng 40:be98219930e4 96 {
hazheng 96:ec89c4d1383d 97
hazheng 40:be98219930e4 98 }
hazheng 40:be98219930e4 99
hazheng 40:be98219930e4 100 ardu_cam_set_mode(MCU2LCD_MODE);
hazheng 41:7b21c5e3599e 101 ardu_utft_write_COM_DATA_internal(0x00,0x0001);
hazheng 41:7b21c5e3599e 102 ardu_utft_write_COM_DATA_internal(0x03,0xA8A4);
hazheng 41:7b21c5e3599e 103 ardu_utft_write_COM_DATA_internal(0x0C,0x0000);
hazheng 41:7b21c5e3599e 104 ardu_utft_write_COM_DATA_internal(0x0D,0x080C);
hazheng 41:7b21c5e3599e 105 ardu_utft_write_COM_DATA_internal(0x0E,0x2B00);
hazheng 41:7b21c5e3599e 106 ardu_utft_write_COM_DATA_internal(0x1E,0x00B7);
hazheng 41:7b21c5e3599e 107 ardu_utft_write_COM_DATA_internal(0x01,0x6B3F); //693F
hazheng 41:7b21c5e3599e 108 ardu_utft_write_COM_DATA_internal(0x02,0x0600);
hazheng 41:7b21c5e3599e 109 ardu_utft_write_COM_DATA_internal(0x10,0x0000);
hazheng 41:7b21c5e3599e 110 ardu_utft_write_COM_DATA_internal(0x11,0x6078);
hazheng 41:7b21c5e3599e 111 ardu_utft_write_COM_DATA_internal(0x05,0x0000);
hazheng 41:7b21c5e3599e 112 ardu_utft_write_COM_DATA_internal(0x06,0x0000);
hazheng 41:7b21c5e3599e 113 ardu_utft_write_COM_DATA_internal(0x16,0xEF1C);
hazheng 41:7b21c5e3599e 114 ardu_utft_write_COM_DATA_internal(0x17,0x0003);
hazheng 41:7b21c5e3599e 115 ardu_utft_write_COM_DATA_internal(0x07,0x0233);
hazheng 41:7b21c5e3599e 116 ardu_utft_write_COM_DATA_internal(0x0B,0x0000);
hazheng 41:7b21c5e3599e 117 ardu_utft_write_COM_DATA_internal(0x0F,0x0000);
hazheng 41:7b21c5e3599e 118 ardu_utft_write_COM_DATA_internal(0x41,0x0000);
hazheng 41:7b21c5e3599e 119 ardu_utft_write_COM_DATA_internal(0x42,0x0000);
hazheng 41:7b21c5e3599e 120 ardu_utft_write_COM_DATA_internal(0x48,0x0000);
hazheng 41:7b21c5e3599e 121 ardu_utft_write_COM_DATA_internal(0x49,0x013F);
hazheng 41:7b21c5e3599e 122 ardu_utft_write_COM_DATA_internal(0x4A,0x0000);
hazheng 41:7b21c5e3599e 123 ardu_utft_write_COM_DATA_internal(0x4B,0x0000);
hazheng 41:7b21c5e3599e 124 ardu_utft_write_COM_DATA_internal(0x44,0xEF00);
hazheng 41:7b21c5e3599e 125 ardu_utft_write_COM_DATA_internal(0x45,0x0000);
hazheng 41:7b21c5e3599e 126 ardu_utft_write_COM_DATA_internal(0x46,0x013F);
hazheng 41:7b21c5e3599e 127 ardu_utft_write_COM_DATA_internal(0x30,0x0707);
hazheng 41:7b21c5e3599e 128 ardu_utft_write_COM_DATA_internal(0x31,0x0204);
hazheng 41:7b21c5e3599e 129 ardu_utft_write_COM_DATA_internal(0x32,0x0204);
hazheng 41:7b21c5e3599e 130 ardu_utft_write_COM_DATA_internal(0x33,0x0502);
hazheng 41:7b21c5e3599e 131 ardu_utft_write_COM_DATA_internal(0x34,0x0507);
hazheng 41:7b21c5e3599e 132 ardu_utft_write_COM_DATA_internal(0x35,0x0204);
hazheng 41:7b21c5e3599e 133 ardu_utft_write_COM_DATA_internal(0x36,0x0204);
hazheng 41:7b21c5e3599e 134 ardu_utft_write_COM_DATA_internal(0x37,0x0502);
hazheng 41:7b21c5e3599e 135 ardu_utft_write_COM_DATA_internal(0x3A,0x0302);
hazheng 41:7b21c5e3599e 136 ardu_utft_write_COM_DATA_internal(0x3B,0x0302);
hazheng 41:7b21c5e3599e 137 ardu_utft_write_COM_DATA_internal(0x23,0x0000);
hazheng 41:7b21c5e3599e 138 ardu_utft_write_COM_DATA_internal(0x24,0x0000);
hazheng 41:7b21c5e3599e 139 ardu_utft_write_COM_DATA_internal(0x25,0x8000);
hazheng 41:7b21c5e3599e 140 ardu_utft_write_COM_DATA_internal(0x4f,0x0000);
hazheng 41:7b21c5e3599e 141 ardu_utft_write_COM_DATA_internal(0x4e,0x0000);
hazheng 41:7b21c5e3599e 142 ardu_utft_write_COM_internal(0x22);
hazheng 41:7b21c5e3599e 143
hazheng 42:c4e1606087ff 144 ardu_utft_set_font(SmallFont);
hazheng 40:be98219930e4 145 ardu_utft_clr_scr();
hazheng 40:be98219930e4 146
hazheng 40:be98219930e4 147 }
hazheng 40:be98219930e4 148
hazheng 40:be98219930e4 149 void ardu_cam_set_mode(uint8_t mode)
hazheng 40:be98219930e4 150 {
Bobymicjohn 97:0ed9ede9a995 151 ardu_utft_spi_write_8(ARDUCHIP_MODE, MCU2LCD_MODE);
hazheng 40:be98219930e4 152 }
hazheng 40:be98219930e4 153
hazheng 40:be98219930e4 154 void ardu_utft_clr_scr()
hazheng 40:be98219930e4 155 {
hazheng 40:be98219930e4 156 ardu_utft_reset_xy();
hazheng 40:be98219930e4 157
hazheng 40:be98219930e4 158 long i;
hazheng 40:be98219930e4 159 for (i = 0; i < ((UTFT_DISP_X_SIZE + 1) * (UTFT_DISP_Y_SIZE + 1)); ++i)
hazheng 40:be98219930e4 160 {
hazheng 41:7b21c5e3599e 161 ardu_utft_write_DATA_internal(0x00,0x00);
hazheng 40:be98219930e4 162 }
hazheng 40:be98219930e4 163 }
hazheng 40:be98219930e4 164
hazheng 40:be98219930e4 165 void ardu_utft_reset_xy()
hazheng 40:be98219930e4 166 {
hazheng 40:be98219930e4 167 ardu_utft_set_xy(0, 0, UTFT_DISP_Y_SIZE, UTFT_DISP_X_SIZE);
hazheng 40:be98219930e4 168 }
hazheng 40:be98219930e4 169
hazheng 40:be98219930e4 170 void ardu_utft_set_xy(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
hazheng 40:be98219930e4 171 {
hazheng 40:be98219930e4 172 /////////////////////////////
hazheng 40:be98219930e4 173 //Possible to be simplified
hazheng 40:be98219930e4 174 swap(uint16_t, x1, y1);
hazheng 40:be98219930e4 175 swap(uint16_t, x2, y2);
hazheng 42:c4e1606087ff 176 //y1 = UTFT_DISP_Y_SIZE - y1; //319 - 0 = 319
hazheng 42:c4e1606087ff 177 //y2 = UTFT_DISP_Y_SIZE - y2; //319 - 300 = 19
hazheng 42:c4e1606087ff 178 //swap(uint16_t, y1, y2); //y1 = 19, y2 = 319
hazheng 40:be98219930e4 179 /////////////////////////////
hazheng 40:be98219930e4 180
hazheng 41:7b21c5e3599e 181 ardu_utft_write_COM_DATA_internal(0x44, (x2 << 8) + x1);
hazheng 42:c4e1606087ff 182 ardu_utft_write_COM_DATA_internal(0x45, UTFT_DISP_Y_SIZE - y2); //19
hazheng 42:c4e1606087ff 183 ardu_utft_write_COM_DATA_internal(0x46, UTFT_DISP_Y_SIZE - y1); //319
hazheng 41:7b21c5e3599e 184 ardu_utft_write_COM_DATA_internal(0x4e, x1);
hazheng 42:c4e1606087ff 185 ardu_utft_write_COM_DATA_internal(0x4f, UTFT_DISP_Y_SIZE - y2);
hazheng 41:7b21c5e3599e 186 ardu_utft_write_COM_internal(0x22);
hazheng 40:be98219930e4 187 }
hazheng 40:be98219930e4 188
hazheng 40:be98219930e4 189 void ardu_utft_set_color(uint8_t r, uint8_t g, uint8_t b)
hazheng 40:be98219930e4 190 {
hazheng 40:be98219930e4 191 front_color_high = ((r & 248) | g >> 5);
hazheng 40:be98219930e4 192 front_color_low = ((g & 28) << 3 | b >> 3);
hazheng 40:be98219930e4 193 }
hazheng 40:be98219930e4 194
hazheng 40:be98219930e4 195 void ardu_utft_draw_rect(int x1, int y1, int x2, int y2)
hazheng 40:be98219930e4 196 {
hazheng 40:be98219930e4 197 if (x1>x2)
hazheng 40:be98219930e4 198 {
hazheng 40:be98219930e4 199 swap(int, x1, x2);
hazheng 40:be98219930e4 200 }
hazheng 40:be98219930e4 201 if (y1>y2)
hazheng 40:be98219930e4 202 {
hazheng 40:be98219930e4 203 swap(int, y1, y2);
hazheng 40:be98219930e4 204 }
hazheng 40:be98219930e4 205
hazheng 40:be98219930e4 206 ardu_utft_draw_hline(x1, y1, x2 - x1);
hazheng 40:be98219930e4 207 ardu_utft_draw_hline(x1, y2, x2 - x1);
hazheng 40:be98219930e4 208 ardu_utft_draw_vline(x1, y1, y2 - y1);
hazheng 40:be98219930e4 209 ardu_utft_draw_vline(x2, y1, y2 - y1);
hazheng 40:be98219930e4 210 }
hazheng 40:be98219930e4 211
hazheng 40:be98219930e4 212 void ardu_utft_draw_hline(int x, int y, int l)
hazheng 40:be98219930e4 213 {
hazheng 40:be98219930e4 214 if (l<0)
hazheng 40:be98219930e4 215 {
hazheng 40:be98219930e4 216 l = -l;
hazheng 40:be98219930e4 217 x -= l;
hazheng 40:be98219930e4 218 }
hazheng 40:be98219930e4 219
hazheng 40:be98219930e4 220 ardu_utft_set_xy(x, y, x+l, y);
hazheng 40:be98219930e4 221
hazheng 40:be98219930e4 222 for (int i = 0; i < l + 1; ++i)
hazheng 40:be98219930e4 223 {
hazheng 41:7b21c5e3599e 224 ardu_utft_write_DATA_internal(front_color_high, front_color_low);
hazheng 40:be98219930e4 225 }
hazheng 40:be98219930e4 226
hazheng 40:be98219930e4 227 ardu_utft_reset_xy();
hazheng 40:be98219930e4 228 }
hazheng 40:be98219930e4 229
hazheng 40:be98219930e4 230 void ardu_utft_draw_vline(int x, int y, int l)
hazheng 40:be98219930e4 231 {
hazheng 40:be98219930e4 232 if (l<0)
hazheng 40:be98219930e4 233 {
hazheng 40:be98219930e4 234 l = -l;
hazheng 40:be98219930e4 235 y -= l;
hazheng 40:be98219930e4 236 }
hazheng 40:be98219930e4 237
hazheng 40:be98219930e4 238 ardu_utft_set_xy(x, y, x, y+l);
hazheng 40:be98219930e4 239
hazheng 40:be98219930e4 240 for (int i = 0; i < l + 1; ++i)
hazheng 40:be98219930e4 241 {
hazheng 41:7b21c5e3599e 242 ardu_utft_write_DATA_internal(front_color_high, front_color_low);
hazheng 40:be98219930e4 243 }
hazheng 40:be98219930e4 244
hazheng 40:be98219930e4 245 ardu_utft_reset_xy();
hazheng 42:c4e1606087ff 246 }
hazheng 42:c4e1606087ff 247
hazheng 42:c4e1606087ff 248
hazheng 42:c4e1606087ff 249 void ardu_utft_draw_pixel(int x, int y)
hazheng 42:c4e1606087ff 250 {
hazheng 42:c4e1606087ff 251 ardu_utft_set_xy(x, y, x, y);
hazheng 42:c4e1606087ff 252 ardu_utft_write_DATA_internal(front_color_high, front_color_low);
hazheng 42:c4e1606087ff 253 ardu_utft_reset_xy();
hazheng 42:c4e1606087ff 254 }
hazheng 42:c4e1606087ff 255
hazheng 42:c4e1606087ff 256 void ardu_utft_fill_rect(int x1, int y1, int x2, int y2)
hazheng 42:c4e1606087ff 257 {
hazheng 42:c4e1606087ff 258 if (x1 > x2)
hazheng 42:c4e1606087ff 259 {
hazheng 42:c4e1606087ff 260 swap(int, x1, x2);
hazheng 42:c4e1606087ff 261 }
hazheng 42:c4e1606087ff 262 if (y1 > y2)
hazheng 42:c4e1606087ff 263 {
hazheng 42:c4e1606087ff 264 swap(int, y1, y2);
hazheng 42:c4e1606087ff 265 }
hazheng 42:c4e1606087ff 266
hazheng 42:c4e1606087ff 267 for (int i = 0; i < ((x2 - x1) / 2) + 1; ++i)
hazheng 42:c4e1606087ff 268 {
hazheng 42:c4e1606087ff 269 ardu_utft_draw_vline(x1 + i, y1, y2 - y1);
hazheng 42:c4e1606087ff 270 ardu_utft_draw_vline(x2 - i, y1, y2 - y1);
hazheng 42:c4e1606087ff 271 }
hazheng 42:c4e1606087ff 272 }
hazheng 42:c4e1606087ff 273
hazheng 42:c4e1606087ff 274 void ardu_utft_set_font(uint8_t * font)
hazheng 42:c4e1606087ff 275 {
hazheng 42:c4e1606087ff 276 current_font = font;
hazheng 42:c4e1606087ff 277 font_x_size = font[0];
hazheng 42:c4e1606087ff 278 font_y_size = font[1];
hazheng 42:c4e1606087ff 279 font_offset = font[2];
hazheng 46:a5eb9bd3bb55 280 //font_numchars = font[3];
hazheng 42:c4e1606087ff 281 }
hazheng 42:c4e1606087ff 282
hazheng 42:c4e1606087ff 283 void ardu_utft_print_char(char c, int x, int y)
hazheng 42:c4e1606087ff 284 {
hazheng 42:c4e1606087ff 285 char i, ch;
hazheng 42:c4e1606087ff 286
hazheng 42:c4e1606087ff 287 uint16_t temp = ((c - font_offset) * ((font_x_size / 8) * font_y_size)) + 4;
hazheng 42:c4e1606087ff 288
hazheng 42:c4e1606087ff 289 for(uint8_t j = 0; j < font_y_size; ++j)
hazheng 42:c4e1606087ff 290 {
hazheng 42:c4e1606087ff 291 for (int zz = 0; zz < (font_x_size / 8); ++zz)
hazheng 42:c4e1606087ff 292 {
hazheng 42:c4e1606087ff 293 ch = current_font[temp + zz];
hazheng 42:c4e1606087ff 294 for(i = 0; i < 8; ++i)
hazheng 42:c4e1606087ff 295 {
hazheng 42:c4e1606087ff 296 ardu_utft_set_xy(x + i + (zz * 8), y + j, x + i + (zz * 8) + 1, y + j + 1);
hazheng 42:c4e1606087ff 297
hazheng 42:c4e1606087ff 298 if((ch & (1 << i)) != 0)
hazheng 42:c4e1606087ff 299 {
hazheng 42:c4e1606087ff 300 ardu_utft_write_DATA_internal(front_color_high, front_color_low);
hazheng 56:7d3395ae022d 301 }
hazheng 56:7d3395ae022d 302 else
hazheng 56:7d3395ae022d 303 {
hazheng 56:7d3395ae022d 304 ardu_utft_write_DATA_internal(0x00, 0x00);
hazheng 56:7d3395ae022d 305 }
hazheng 42:c4e1606087ff 306 }
hazheng 42:c4e1606087ff 307 }
hazheng 42:c4e1606087ff 308 temp += (font_x_size / 8);
hazheng 42:c4e1606087ff 309 }
hazheng 42:c4e1606087ff 310
hazheng 42:c4e1606087ff 311 ardu_utft_reset_xy();
hazheng 42:c4e1606087ff 312 }
hazheng 42:c4e1606087ff 313
hazheng 42:c4e1606087ff 314 void ardu_utft_print(char * st, int x, int y)
hazheng 42:c4e1606087ff 315 {
hazheng 42:c4e1606087ff 316 int stl, i;
hazheng 42:c4e1606087ff 317 stl = strlen(st);
hazheng 42:c4e1606087ff 318
hazheng 42:c4e1606087ff 319 if (x == UTFT_RIGHT)
hazheng 42:c4e1606087ff 320 x = (UTFT_DISP_Y_SIZE + 1) - (stl * font_x_size);
hazheng 42:c4e1606087ff 321 if (x == UTFT_CENTER)
hazheng 42:c4e1606087ff 322 x = ((UTFT_DISP_Y_SIZE + 1) - (stl * font_x_size)) / 2;
hazheng 42:c4e1606087ff 323
hazheng 42:c4e1606087ff 324 for (i = 0; i < stl; ++i)
hazheng 42:c4e1606087ff 325 ardu_utft_print_char(*st++, x - (i * (font_x_size)), y);
hazheng 46:a5eb9bd3bb55 326 }
hazheng 46:a5eb9bd3bb55 327
Bobymicjohn 97:0ed9ede9a995 328 uint8_t ardu_utft_get_ver_num()
Bobymicjohn 97:0ed9ede9a995 329 {
Bobymicjohn 97:0ed9ede9a995 330 return ardu_utft_spi_read_8(ARDUCHIP_VER_UTFT);
Bobymicjohn 97:0ed9ede9a995 331 }
Bobymicjohn 97:0ed9ede9a995 332
hazheng 46:a5eb9bd3bb55 333 #ifdef __cplusplus
hazheng 46:a5eb9bd3bb55 334 }
hazheng 46:a5eb9bd3bb55 335 #endif