The Best / FT800_beyondtek

configured for beyondtek displays

Dependents:   datalogger_ft810

Fork of FT800_3 by The Best

FT_Hal_Utils.cpp@10:39d32e09742d, 2016-08-15 (annotated)

Committer:
cpm219
Date:
Mon Aug 15 15:32:32 2016 +0000
Revision:
10:39d32e09742d
Parent:
8:4601ccd8a927 
no change

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 4:363ec27cdfaa 1 #include "FT_Platform.h"
dreschpe 4:363ec27cdfaa 2 #include "mbed.h"
cpm219 10:39d32e09742d 3 #include "SDFileSystem.h"
dreschpe 4:363ec27cdfaa 4
dreschpe 4:363ec27cdfaa 5 /* function to load jpg file from filesystem */
dreschpe 4:363ec27cdfaa 6 /* return 0 if jpg is ok */
dreschpe 4:363ec27cdfaa 7 /* return x_size and y_size of jpg */
dreschpe 4:363ec27cdfaa 8
montgojj 8:4601ccd8a927 9 int FT800::Load_jpg(char* filename, ft_int16_t* x_size, ft_int16_t* y_size, ft_uint32_t address)
dreschpe 4:363ec27cdfaa 10 {
dreschpe 4:363ec27cdfaa 11 unsigned char pbuff[8291];
dreschpe 4:363ec27cdfaa 12 unsigned short marker;
dreschpe 4:363ec27cdfaa 13 unsigned short length;
dreschpe 4:363ec27cdfaa 14 unsigned char data[4];
dreschpe 4:363ec27cdfaa 15
dreschpe 4:363ec27cdfaa 16 ft_uint16_t blocklen;
cpm219 10:39d32e09742d 17 // sd.mount();
dreschpe 4:363ec27cdfaa 18 FILE *fp = fopen(filename, "r");
dreschpe 4:363ec27cdfaa 19 if(fp == NULL) return (-1); // connot open file
dreschpe 4:363ec27cdfaa 20
dreschpe 4:363ec27cdfaa 21 // search for 0xFFC0 marker
dreschpe 4:363ec27cdfaa 22 fseek(fp, 0, SEEK_END);
dreschpe 4:363ec27cdfaa 23 unsigned int Fsize = ftell(fp);
dreschpe 4:363ec27cdfaa 24 fseek(fp, 2, SEEK_SET);
dreschpe 4:363ec27cdfaa 25 fread(data,4,1,fp);
dreschpe 4:363ec27cdfaa 26 marker = data[0] << 8 | data[1];
dreschpe 4:363ec27cdfaa 27 length = data[2] << 8 | data[3];
dreschpe 4:363ec27cdfaa 28 do {
dreschpe 4:363ec27cdfaa 29 if(marker == 0xFFC0) break;
dreschpe 4:363ec27cdfaa 30 if(marker & 0xFF00 != 0xFF00) break;
dreschpe 4:363ec27cdfaa 31 if (fseek(fp, length - 2,SEEK_CUR) != 0) break;
dreschpe 4:363ec27cdfaa 32 fread(data,4,1,fp);
dreschpe 4:363ec27cdfaa 33 marker = data[0] << 8 | data[1];
dreschpe 4:363ec27cdfaa 34 length = data[2] << 8 | data[3];
dreschpe 4:363ec27cdfaa 35 } while(1);
dreschpe 4:363ec27cdfaa 36 if(marker != 0xFFC0) return (-2); // no FFC0 Marker, wrong format no baseline DCT-based JPEG
dreschpe 4:363ec27cdfaa 37 fseek(fp, 1,SEEK_CUR);
dreschpe 4:363ec27cdfaa 38 fread(data,4,1,fp);
dreschpe 4:363ec27cdfaa 39 *y_size = (data[0] << 8 | data[1]);
dreschpe 4:363ec27cdfaa 40 *x_size = (data[2] << 8 | data[3]);
dreschpe 4:363ec27cdfaa 41
dreschpe 4:363ec27cdfaa 42 //if(*x_size > DispWidth || *y_size > DispHeight) return (-3); // to big to fit on screen
dreschpe 4:363ec27cdfaa 43
dreschpe 4:363ec27cdfaa 44 fseek(fp, 0, SEEK_SET);
dreschpe 4:363ec27cdfaa 45 WrCmd32(CMD_LOADIMAGE); // load a JPEG image
montgojj 8:4601ccd8a927 46 WrCmd32(address); //destination address of jpg decode
dreschpe 4:363ec27cdfaa 47 WrCmd32(0); //output format of the bitmap - default is rgb565
dreschpe 4:363ec27cdfaa 48 while(Fsize > 0) {
dreschpe 4:363ec27cdfaa 49 /* download the data into the command buffer by 8kb one shot */
dreschpe 4:363ec27cdfaa 50 blocklen = Fsize>8192?8192:Fsize;
dreschpe 4:363ec27cdfaa 51 /* copy the data into pbuff and then transfter it to command buffer */
dreschpe 4:363ec27cdfaa 52 fread(pbuff,1,blocklen,fp);
dreschpe 4:363ec27cdfaa 53 Fsize -= blocklen;
dreschpe 4:363ec27cdfaa 54 /* copy data continuously into command memory */
dreschpe 4:363ec27cdfaa 55 WrCmdBuf(pbuff, blocklen); //alignment is already taken care by this api
dreschpe 4:363ec27cdfaa 56 }
dreschpe 4:363ec27cdfaa 57 fclose(fp);
cpm219 10:39d32e09742d 58 // sd.unmount();
dreschpe 4:363ec27cdfaa 59
dreschpe 4:363ec27cdfaa 60 return(0);
dreschpe 4:363ec27cdfaa 61 }
dreschpe 4:363ec27cdfaa 62
cpm219 10:39d32e09742d 63 //int FT800::Load_raw(char* filename)
cpm219 10:39d32e09742d 64 //{
cpm219 10:39d32e09742d 65 // ft_uint8_t imbuff[8192];
cpm219 10:39d32e09742d 66 // ft_uint16_t filesize;
cpm219 10:39d32e09742d 67 // ft_uint16_t blocklen;
cpm219 10:39d32e09742d 68 //// ft_uint16_t ram_start = 0x00;
cpm219 10:39d32e09742d 69 //
cpm219 10:39d32e09742d 70 //// sd.mount();
cpm219 10:39d32e09742d 71 // FILE *fp = fopen(filename, "rb"); // open file
cpm219 10:39d32e09742d 72 //// if(fp == NULL) return (-1); // connot open file
cpm219 10:39d32e09742d 73 // fseek(fp, 0, SEEK_END); // set file position to end of file
cpm219 10:39d32e09742d 74 // filesize= ftell(fp); // determine file size
cpm219 10:39d32e09742d 75 // fseek(fp, 2, SEEK_SET); // return to beginning of file
cpm219 10:39d32e09742d 76 //
cpm219 10:39d32e09742d 77 // while(filesize > 0)
cpm219 10:39d32e09742d 78 // {
cpm219 10:39d32e09742d 79 // //copy the .raw file data to imbuff[8192] in 8k block
cpm219 10:39d32e09742d 80 // blocklen = filesize>8192?8192:filesize;
cpm219 10:39d32e09742d 81 // fread(imbuff,1,blocklen,fp);
cpm219 10:39d32e09742d 82 // filesize-= blocklen;
cpm219 10:39d32e09742d 83 // //write imbuff contents to graphics RAM at address ram_start = 0x00
cpm219 10:39d32e09742d 84 // WrCmdBuf(imbuff, blocklen); //alignment is already taken care by this api
cpm219 10:39d32e09742d 85 //// ram_start += 8192;
cpm219 10:39d32e09742d 86 // }
cpm219 10:39d32e09742d 87 // fclose(fp);
cpm219 10:39d32e09742d 88 //// sd.unmount();
cpm219 10:39d32e09742d 89 //
cpm219 10:39d32e09742d 90 // return 0;
cpm219 10:39d32e09742d 91 //}
cpm219 10:39d32e09742d 92
cpm219 10:39d32e09742d 93
cpm219 10:39d32e09742d 94
cpm219 10:39d32e09742d 95
cpm219 10:39d32e09742d 96
dreschpe 4:363ec27cdfaa 97
dreschpe 4:363ec27cdfaa 98 /* calibrate touch */
dreschpe 4:363ec27cdfaa 99 ft_void_t FT800::Calibrate()
dreschpe 4:363ec27cdfaa 100 {
dreschpe 4:363ec27cdfaa 101 /*************************************************************************/
dreschpe 4:363ec27cdfaa 102 /* Below code demonstrates the usage of calibrate function. Calibrate */
dreschpe 4:363ec27cdfaa 103 /* function will wait untill user presses all the three dots. Only way to*/
dreschpe 4:363ec27cdfaa 104 /* come out of this api is to reset the coprocessor bit. */
dreschpe 4:363ec27cdfaa 105 /*************************************************************************/
dreschpe 4:363ec27cdfaa 106 {
dreschpe 4:363ec27cdfaa 107
dreschpe 4:363ec27cdfaa 108 DLstart(); // start a new display command list
dreschpe 4:363ec27cdfaa 109 DL(CLEAR_COLOR_RGB(64,64,64)); // set the clear color R, G, B
dreschpe 4:363ec27cdfaa 110 DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
dreschpe 4:363ec27cdfaa 111 DL(COLOR_RGB(0xff,0xff,0xff)); // set the current color R, G, B
dreschpe 4:363ec27cdfaa 112 Text((DispWidth/2), (DispHeight/2), 27, OPT_CENTER, "Please Tap on the dot"); // draw Text at x,y, font 27, centered
dreschpe 4:363ec27cdfaa 113 Calibrate(0); // start the calibration of touch screen
dreschpe 4:363ec27cdfaa 114 Flush_Co_Buffer(); // download the commands into FT800 FIFO
dreschpe 4:363ec27cdfaa 115 WaitCmdfifo_empty(); // Wait till coprocessor completes the operation
dreschpe 4:363ec27cdfaa 116 }
dreschpe 4:363ec27cdfaa 117 }
dreschpe 4:363ec27cdfaa 118
dreschpe 5:c0ffdb08b8a5 119
dreschpe 5:c0ffdb08b8a5 120 /* API to give fadeout effect by changing the display PWM from 100 till 0 */
dreschpe 5:c0ffdb08b8a5 121 ft_void_t FT800::fadeout()
dreschpe 5:c0ffdb08b8a5 122 {
dreschpe 5:c0ffdb08b8a5 123 ft_int32_t i;
dreschpe 5:c0ffdb08b8a5 124
dreschpe 5:c0ffdb08b8a5 125 for (i = 100; i >= 0; i -= 3)
dreschpe 5:c0ffdb08b8a5 126 {
dreschpe 5:c0ffdb08b8a5 127 Wr8(REG_PWM_DUTY,i);
dreschpe 5:c0ffdb08b8a5 128 Sleep(2);//sleep for 2 ms
dreschpe 5:c0ffdb08b8a5 129 }
dreschpe 5:c0ffdb08b8a5 130 }
dreschpe 5:c0ffdb08b8a5 131
dreschpe 5:c0ffdb08b8a5 132 /* API to perform display fadein effect by changing the display PWM from 0 till 100 and finally 128 */
dreschpe 5:c0ffdb08b8a5 133 ft_void_t FT800::fadein()
dreschpe 5:c0ffdb08b8a5 134 {
dreschpe 5:c0ffdb08b8a5 135 ft_int32_t i;
dreschpe 5:c0ffdb08b8a5 136
dreschpe 5:c0ffdb08b8a5 137 for (i = 0; i <=100 ; i += 3)
dreschpe 5:c0ffdb08b8a5 138 {
dreschpe 5:c0ffdb08b8a5 139 Wr8(REG_PWM_DUTY,i);
dreschpe 5:c0ffdb08b8a5 140 Sleep(2);//sleep for 2 ms
dreschpe 5:c0ffdb08b8a5 141 }
dreschpe 5:c0ffdb08b8a5 142 /* Finally make the PWM 100% */
dreschpe 5:c0ffdb08b8a5 143 i = 128;
dreschpe 5:c0ffdb08b8a5 144 Wr8(REG_PWM_DUTY,i);
dreschpe 5:c0ffdb08b8a5 145 }
dreschpe 5:c0ffdb08b8a5 146
dreschpe 6:16e22c789f7d 147 ft_void_t FT800::read_calibrate(ft_uint8_t data[24]){
dreschpe 6:16e22c789f7d 148 unsigned int i;
dreschpe 6:16e22c789f7d 149 for(i=0;i<24;i++){
dreschpe 6:16e22c789f7d 150 data[i] = Rd8(REG_TOUCH_TRANSFORM_A + i);
dreschpe 6:16e22c789f7d 151 }
dreschpe 6:16e22c789f7d 152 }
dreschpe 6:16e22c789f7d 153
dreschpe 6:16e22c789f7d 154 ft_void_t FT800::write_calibrate(ft_uint8_t data[24]){
dreschpe 6:16e22c789f7d 155 unsigned int i;
dreschpe 6:16e22c789f7d 156 for(i=0;i<24;i++) {
dreschpe 6:16e22c789f7d 157 Wr8(REG_TOUCH_TRANSFORM_A + i,data[i]);
dreschpe 6:16e22c789f7d 158 }
dreschpe 6:16e22c789f7d 159 }
dreschpe 6:16e22c789f7d 160
dreschpe 6:16e22c789f7d 161 ft_uint32_t FT800::color_rgb(ft_uint8_t red,ft_uint8_t green, ft_uint8_t blue){
dreschpe 6:16e22c789f7d 162 return ((4UL<<24)|(((red)&255UL)<<16)|(((green)&255UL)<<8)|(((blue)&255UL)<<0));
dreschpe 6:16e22c789f7d 163 }
dreschpe 6:16e22c789f7d 164
dreschpe 6:16e22c789f7d 165 ft_uint32_t FT800::clear_color_rgb(ft_uint8_t red,ft_uint8_t green, ft_uint8_t blue){
dreschpe 6:16e22c789f7d 166 return ((2UL<<24)|(((red)&255UL)<<16)|(((green)&255UL)<<8)|(((blue)&255UL)<<0));
dreschpe 6:16e22c789f7d 167 }
dreschpe 6:16e22c789f7d 168