Haris Šoljić / SPI_TFT_ILI9341

Library for TFT via SPI

Dependents:   mbed_projekt_tetris Ejemplo_TFT

SPI_TFT_ILI9341_NUCLEO.cpp@0:b8956708b92f, 2018-06-18 (annotated)

Committer:
2018US_HarisSoljic
Date:
Mon Jun 18 20:01:55 2018 +0000
Revision:
0:b8956708b92f
revi?n;

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2018US_HarisSoljic 0:b8956708b92f 1 /* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
2018US_HarisSoljic 0:b8956708b92f 2 * Copyright (c) 2013, 2014 Peter Drescher - DC2PD
2018US_HarisSoljic 0:b8956708b92f 3 * Special version for STM Nucleo -L152
2018US_HarisSoljic 0:b8956708b92f 4 *
2018US_HarisSoljic 0:b8956708b92f 5 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
2018US_HarisSoljic 0:b8956708b92f 6 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
2018US_HarisSoljic 0:b8956708b92f 7 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
2018US_HarisSoljic 0:b8956708b92f 8 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
2018US_HarisSoljic 0:b8956708b92f 9 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
2018US_HarisSoljic 0:b8956708b92f 10 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
2018US_HarisSoljic 0:b8956708b92f 11 * THE SOFTWARE.
2018US_HarisSoljic 0:b8956708b92f 12 */
2018US_HarisSoljic 0:b8956708b92f 13
2018US_HarisSoljic 0:b8956708b92f 14 // 24.06.14 initial version
2018US_HarisSoljic 0:b8956708b92f 15 // 25.06.14 add Nucleo F103RB
2018US_HarisSoljic 0:b8956708b92f 16
2018US_HarisSoljic 0:b8956708b92f 17 // only include this file if target is L152 or F103RB :
2018US_HarisSoljic 0:b8956708b92f 18 #if defined TARGET_NUCLEO_L152RE || defined TARGET_NUCLEO_F103RB
2018US_HarisSoljic 0:b8956708b92f 19
2018US_HarisSoljic 0:b8956708b92f 20 #include "SPI_TFT_ILI9341.h"
2018US_HarisSoljic 0:b8956708b92f 21 #include "mbed.h"
2018US_HarisSoljic 0:b8956708b92f 22
2018US_HarisSoljic 0:b8956708b92f 23 #if defined TARGET_NUCLEO_L152RE
2018US_HarisSoljic 0:b8956708b92f 24 #include "stm32l1xx_dma.h"
2018US_HarisSoljic 0:b8956708b92f 25 #define use_ram
2018US_HarisSoljic 0:b8956708b92f 26 #endif
2018US_HarisSoljic 0:b8956708b92f 27
2018US_HarisSoljic 0:b8956708b92f 28 #if defined TARGET_NUCLEO_F103RB
2018US_HarisSoljic 0:b8956708b92f 29 #include "stm32f10x_dma.h"
2018US_HarisSoljic 0:b8956708b92f 30 #endif
2018US_HarisSoljic 0:b8956708b92f 31
2018US_HarisSoljic 0:b8956708b92f 32 #define BPP 16 // Bits per pixel
2018US_HarisSoljic 0:b8956708b92f 33
2018US_HarisSoljic 0:b8956708b92f 34 //extern Serial pc;
2018US_HarisSoljic 0:b8956708b92f 35 //extern DigitalOut xx; // debug !!
2018US_HarisSoljic 0:b8956708b92f 36
2018US_HarisSoljic 0:b8956708b92f 37 DMA_InitTypeDef DMA_InitStructure;
2018US_HarisSoljic 0:b8956708b92f 38
2018US_HarisSoljic 0:b8956708b92f 39
2018US_HarisSoljic 0:b8956708b92f 40 SPI_TFT_ILI9341::SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
2018US_HarisSoljic 0:b8956708b92f 41 : GraphicsDisplay(name), SPI(mosi,miso,sclk,NC), _cs(cs), _reset(reset), _dc(dc)
2018US_HarisSoljic 0:b8956708b92f 42 {
2018US_HarisSoljic 0:b8956708b92f 43
2018US_HarisSoljic 0:b8956708b92f 44 format(8,3); // 8 bit spi mode 3
2018US_HarisSoljic 0:b8956708b92f 45 frequency(10000000); // 10 Mhz SPI clock : result 2 / 4 = 8
2018US_HarisSoljic 0:b8956708b92f 46 orientation = 0;
2018US_HarisSoljic 0:b8956708b92f 47 char_x = 0;
2018US_HarisSoljic 0:b8956708b92f 48 if(_spi.spi == SPI_1){ // test which SPI is in use
2018US_HarisSoljic 0:b8956708b92f 49 spi_num = 1;
2018US_HarisSoljic 0:b8956708b92f 50 }
2018US_HarisSoljic 0:b8956708b92f 51 if(_spi.spi == SPI_2){
2018US_HarisSoljic 0:b8956708b92f 52 spi_num = 2;
2018US_HarisSoljic 0:b8956708b92f 53 }
2018US_HarisSoljic 0:b8956708b92f 54 #ifdef SPI_3 // there is no SPI 3 on all devices
2018US_HarisSoljic 0:b8956708b92f 55 if(_spi.spi == SPI_3){
2018US_HarisSoljic 0:b8956708b92f 56 spi_num = 3;
2018US_HarisSoljic 0:b8956708b92f 57 }
2018US_HarisSoljic 0:b8956708b92f 58 #endif
2018US_HarisSoljic 0:b8956708b92f 59 tft_reset();
2018US_HarisSoljic 0:b8956708b92f 60 }
2018US_HarisSoljic 0:b8956708b92f 61
2018US_HarisSoljic 0:b8956708b92f 62 // we define a fast write to the SPI port
2018US_HarisSoljic 0:b8956708b92f 63 // we use the bit banding address to get the flag without masking
2018US_HarisSoljic 0:b8956708b92f 64
2018US_HarisSoljic 0:b8956708b92f 65 #define bit_SPI1_txe *((volatile unsigned int *)0x42260104)
2018US_HarisSoljic 0:b8956708b92f 66 #define SPI1_DR *((volatile unsigned int *)0x4001300C)
2018US_HarisSoljic 0:b8956708b92f 67 #define bit_SPI2_txe *((volatile unsigned int *)0x42070104)
2018US_HarisSoljic 0:b8956708b92f 68 #define SPI2_DR *((volatile unsigned int *)0x4000380C)
2018US_HarisSoljic 0:b8956708b92f 69 #define bit_SPI3_txe *((volatile unsigned int *)0x42078104)
2018US_HarisSoljic 0:b8956708b92f 70 #define SPI3_DR *((volatile unsigned int *)0x40003C0C)
2018US_HarisSoljic 0:b8956708b92f 71
2018US_HarisSoljic 0:b8956708b92f 72 void SPI_TFT_ILI9341::f_write(int data){
2018US_HarisSoljic 0:b8956708b92f 73
2018US_HarisSoljic 0:b8956708b92f 74 switch(spi_num){ // used SPI port
2018US_HarisSoljic 0:b8956708b92f 75 case (1):
2018US_HarisSoljic 0:b8956708b92f 76 while(bit_SPI1_txe == 0); // wait for SPI1->SR TXE flag
2018US_HarisSoljic 0:b8956708b92f 77 SPI1_DR = data;
2018US_HarisSoljic 0:b8956708b92f 78 break;
2018US_HarisSoljic 0:b8956708b92f 79
2018US_HarisSoljic 0:b8956708b92f 80 case (2):
2018US_HarisSoljic 0:b8956708b92f 81 while( bit_SPI2_txe == 0); // wait for SPI2->SR TXE flag
2018US_HarisSoljic 0:b8956708b92f 82 SPI2_DR = data;
2018US_HarisSoljic 0:b8956708b92f 83 break;
2018US_HarisSoljic 0:b8956708b92f 84
2018US_HarisSoljic 0:b8956708b92f 85 case (3):
2018US_HarisSoljic 0:b8956708b92f 86 while( bit_SPI3_txe == 0); // wait for SPI3->SR TXE flag
2018US_HarisSoljic 0:b8956708b92f 87 SPI3_DR = data;
2018US_HarisSoljic 0:b8956708b92f 88 break;
2018US_HarisSoljic 0:b8956708b92f 89
2018US_HarisSoljic 0:b8956708b92f 90 }
2018US_HarisSoljic 0:b8956708b92f 91 }
2018US_HarisSoljic 0:b8956708b92f 92
2018US_HarisSoljic 0:b8956708b92f 93 // wait for SPI not busy
2018US_HarisSoljic 0:b8956708b92f 94 // we have to wait for the last bit to switch the cs off
2018US_HarisSoljic 0:b8956708b92f 95 // we use the bit banding address to get the flag without masking
2018US_HarisSoljic 0:b8956708b92f 96
2018US_HarisSoljic 0:b8956708b92f 97 #define bit_SPI1_bsy *((volatile unsigned int *)0x4226011C)
2018US_HarisSoljic 0:b8956708b92f 98 #define bit_SPI2_bsy *((volatile unsigned int *)0x4207011C)
2018US_HarisSoljic 0:b8956708b92f 99 #define bit_SPI3_bsy *((volatile unsigned int *)0x4207811C)
2018US_HarisSoljic 0:b8956708b92f 100
2018US_HarisSoljic 0:b8956708b92f 101 void inline SPI_TFT_ILI9341::spi_bsy(void){
2018US_HarisSoljic 0:b8956708b92f 102 switch(spi_num){ // decide which SPI is to use
2018US_HarisSoljic 0:b8956708b92f 103 case (1):
2018US_HarisSoljic 0:b8956708b92f 104 while(bit_SPI1_bsy == 1); // SPI1->SR bit 7
2018US_HarisSoljic 0:b8956708b92f 105 break;
2018US_HarisSoljic 0:b8956708b92f 106
2018US_HarisSoljic 0:b8956708b92f 107 case (2):
2018US_HarisSoljic 0:b8956708b92f 108 while(bit_SPI2_bsy == 1); // SPI2->SR bit 7
2018US_HarisSoljic 0:b8956708b92f 109 break;
2018US_HarisSoljic 0:b8956708b92f 110
2018US_HarisSoljic 0:b8956708b92f 111 case (3):
2018US_HarisSoljic 0:b8956708b92f 112 while(bit_SPI3_bsy == 1); // SPI2->SR bit 7
2018US_HarisSoljic 0:b8956708b92f 113 break;
2018US_HarisSoljic 0:b8956708b92f 114 }
2018US_HarisSoljic 0:b8956708b92f 115 }
2018US_HarisSoljic 0:b8956708b92f 116
2018US_HarisSoljic 0:b8956708b92f 117
2018US_HarisSoljic 0:b8956708b92f 118 // switch fast between 8 and 16 bit mode
2018US_HarisSoljic 0:b8956708b92f 119 #define bit_SPI1_dff *((volatile unsigned int *)0x4226002C)
2018US_HarisSoljic 0:b8956708b92f 120 #define bit_SPI2_dff *((volatile unsigned int *)0x4207002C)
2018US_HarisSoljic 0:b8956708b92f 121 #define bit_SPI3_dff *((volatile unsigned int *)0x4207802C)
2018US_HarisSoljic 0:b8956708b92f 122 void SPI_TFT_ILI9341::spi_16(bool s){
2018US_HarisSoljic 0:b8956708b92f 123 switch(spi_num){ // decide which SPI is to use
2018US_HarisSoljic 0:b8956708b92f 124 case(1):
2018US_HarisSoljic 0:b8956708b92f 125 if(s) bit_SPI1_dff = 1; // switch to 16 bit Mode
2018US_HarisSoljic 0:b8956708b92f 126 else bit_SPI1_dff = 0; // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 127 break;
2018US_HarisSoljic 0:b8956708b92f 128
2018US_HarisSoljic 0:b8956708b92f 129 case(2):
2018US_HarisSoljic 0:b8956708b92f 130 if(s) bit_SPI2_dff = 1; // switch to 16 bit Mode
2018US_HarisSoljic 0:b8956708b92f 131 else bit_SPI2_dff = 0; // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 132 break;
2018US_HarisSoljic 0:b8956708b92f 133
2018US_HarisSoljic 0:b8956708b92f 134 case(3):
2018US_HarisSoljic 0:b8956708b92f 135 if(s) bit_SPI3_dff = 1; // switch to 16 bit Mode
2018US_HarisSoljic 0:b8956708b92f 136 else bit_SPI3_dff = 0; // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 137 break;
2018US_HarisSoljic 0:b8956708b92f 138 }
2018US_HarisSoljic 0:b8956708b92f 139 }
2018US_HarisSoljic 0:b8956708b92f 140
2018US_HarisSoljic 0:b8956708b92f 141
2018US_HarisSoljic 0:b8956708b92f 142 int SPI_TFT_ILI9341::width()
2018US_HarisSoljic 0:b8956708b92f 143 {
2018US_HarisSoljic 0:b8956708b92f 144 if (orientation == 0 || orientation == 2) return 240;
2018US_HarisSoljic 0:b8956708b92f 145 else return 320;
2018US_HarisSoljic 0:b8956708b92f 146 }
2018US_HarisSoljic 0:b8956708b92f 147
2018US_HarisSoljic 0:b8956708b92f 148
2018US_HarisSoljic 0:b8956708b92f 149 int SPI_TFT_ILI9341::height()
2018US_HarisSoljic 0:b8956708b92f 150 {
2018US_HarisSoljic 0:b8956708b92f 151 if (orientation == 0 || orientation == 2) return 320;
2018US_HarisSoljic 0:b8956708b92f 152 else return 240;
2018US_HarisSoljic 0:b8956708b92f 153 }
2018US_HarisSoljic 0:b8956708b92f 154
2018US_HarisSoljic 0:b8956708b92f 155
2018US_HarisSoljic 0:b8956708b92f 156 void SPI_TFT_ILI9341::set_orientation(unsigned int o)
2018US_HarisSoljic 0:b8956708b92f 157 {
2018US_HarisSoljic 0:b8956708b92f 158 orientation = o;
2018US_HarisSoljic 0:b8956708b92f 159 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
2018US_HarisSoljic 0:b8956708b92f 160 switch (orientation) {
2018US_HarisSoljic 0:b8956708b92f 161 case 0:
2018US_HarisSoljic 0:b8956708b92f 162 f_write(0x48);
2018US_HarisSoljic 0:b8956708b92f 163 break;
2018US_HarisSoljic 0:b8956708b92f 164 case 1:
2018US_HarisSoljic 0:b8956708b92f 165 f_write(0x28);
2018US_HarisSoljic 0:b8956708b92f 166 break;
2018US_HarisSoljic 0:b8956708b92f 167 case 2:
2018US_HarisSoljic 0:b8956708b92f 168 f_write(0x88);
2018US_HarisSoljic 0:b8956708b92f 169 break;
2018US_HarisSoljic 0:b8956708b92f 170 case 3:
2018US_HarisSoljic 0:b8956708b92f 171 f_write(0xE8);
2018US_HarisSoljic 0:b8956708b92f 172 break;
2018US_HarisSoljic 0:b8956708b92f 173 }
2018US_HarisSoljic 0:b8956708b92f 174 spi_bsy(); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 175 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 176 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 177 }
2018US_HarisSoljic 0:b8956708b92f 178
2018US_HarisSoljic 0:b8956708b92f 179
2018US_HarisSoljic 0:b8956708b92f 180 // write command to tft register
2018US_HarisSoljic 0:b8956708b92f 181 // use fast command
2018US_HarisSoljic 0:b8956708b92f 182 void SPI_TFT_ILI9341::wr_cmd(unsigned char cmd)
2018US_HarisSoljic 0:b8956708b92f 183 {
2018US_HarisSoljic 0:b8956708b92f 184 _dc = 0;
2018US_HarisSoljic 0:b8956708b92f 185 _cs = 0;
2018US_HarisSoljic 0:b8956708b92f 186 f_write(cmd);
2018US_HarisSoljic 0:b8956708b92f 187 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 188 _dc = 1;
2018US_HarisSoljic 0:b8956708b92f 189 }
2018US_HarisSoljic 0:b8956708b92f 190
2018US_HarisSoljic 0:b8956708b92f 191 void SPI_TFT_ILI9341::wr_dat(unsigned char dat)
2018US_HarisSoljic 0:b8956708b92f 192 {
2018US_HarisSoljic 0:b8956708b92f 193 f_write(dat);
2018US_HarisSoljic 0:b8956708b92f 194 spi_bsy(); // wait for SPI send
2018US_HarisSoljic 0:b8956708b92f 195 }
2018US_HarisSoljic 0:b8956708b92f 196
2018US_HarisSoljic 0:b8956708b92f 197 // the ILI9341 can read
2018US_HarisSoljic 0:b8956708b92f 198 char SPI_TFT_ILI9341::rd_byte(unsigned char cmd)
2018US_HarisSoljic 0:b8956708b92f 199 {
2018US_HarisSoljic 0:b8956708b92f 200 // has to change !!
2018US_HarisSoljic 0:b8956708b92f 201 return(0);
2018US_HarisSoljic 0:b8956708b92f 202 }
2018US_HarisSoljic 0:b8956708b92f 203
2018US_HarisSoljic 0:b8956708b92f 204 // read 32 bit
2018US_HarisSoljic 0:b8956708b92f 205 int SPI_TFT_ILI9341::rd_32(unsigned char cmd)
2018US_HarisSoljic 0:b8956708b92f 206 {
2018US_HarisSoljic 0:b8956708b92f 207 // has to change !!!
2018US_HarisSoljic 0:b8956708b92f 208 return(0);
2018US_HarisSoljic 0:b8956708b92f 209 }
2018US_HarisSoljic 0:b8956708b92f 210
2018US_HarisSoljic 0:b8956708b92f 211 int SPI_TFT_ILI9341::Read_ID(void){
2018US_HarisSoljic 0:b8956708b92f 212 int r;
2018US_HarisSoljic 0:b8956708b92f 213 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 214 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 215 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 216 r = rd_byte(0x0A);
2018US_HarisSoljic 0:b8956708b92f 217 return(r);
2018US_HarisSoljic 0:b8956708b92f 218 }
2018US_HarisSoljic 0:b8956708b92f 219
2018US_HarisSoljic 0:b8956708b92f 220
2018US_HarisSoljic 0:b8956708b92f 221 // Init code based on MI0283QT datasheet
2018US_HarisSoljic 0:b8956708b92f 222 // this code is called only at start
2018US_HarisSoljic 0:b8956708b92f 223 // no need to be optimized
2018US_HarisSoljic 0:b8956708b92f 224
2018US_HarisSoljic 0:b8956708b92f 225 void SPI_TFT_ILI9341::tft_reset()
2018US_HarisSoljic 0:b8956708b92f 226 {
2018US_HarisSoljic 0:b8956708b92f 227 _cs = 1; // cs high
2018US_HarisSoljic 0:b8956708b92f 228 _dc = 1; // dc high
2018US_HarisSoljic 0:b8956708b92f 229 _reset = 0; // display reset
2018US_HarisSoljic 0:b8956708b92f 230
2018US_HarisSoljic 0:b8956708b92f 231 wait_us(50);
2018US_HarisSoljic 0:b8956708b92f 232 _reset = 1; // end hardware reset
2018US_HarisSoljic 0:b8956708b92f 233 wait_ms(5);
2018US_HarisSoljic 0:b8956708b92f 234
2018US_HarisSoljic 0:b8956708b92f 235 wr_cmd(0x01); // SW reset
2018US_HarisSoljic 0:b8956708b92f 236 wait_ms(5);
2018US_HarisSoljic 0:b8956708b92f 237 wr_cmd(0x28); // display off
2018US_HarisSoljic 0:b8956708b92f 238
2018US_HarisSoljic 0:b8956708b92f 239 /* Start Initial Sequence ----------------------------------------------------*/
2018US_HarisSoljic 0:b8956708b92f 240 wr_cmd(0xCF);
2018US_HarisSoljic 0:b8956708b92f 241 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 242 f_write(0x83);
2018US_HarisSoljic 0:b8956708b92f 243 f_write(0x30);
2018US_HarisSoljic 0:b8956708b92f 244 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 245 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 246
2018US_HarisSoljic 0:b8956708b92f 247 wr_cmd(0xED);
2018US_HarisSoljic 0:b8956708b92f 248 f_write(0x64);
2018US_HarisSoljic 0:b8956708b92f 249 f_write(0x03);
2018US_HarisSoljic 0:b8956708b92f 250 f_write(0x12);
2018US_HarisSoljic 0:b8956708b92f 251 f_write(0x81);
2018US_HarisSoljic 0:b8956708b92f 252 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 253 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 254
2018US_HarisSoljic 0:b8956708b92f 255 wr_cmd(0xE8);
2018US_HarisSoljic 0:b8956708b92f 256 f_write(0x85);
2018US_HarisSoljic 0:b8956708b92f 257 f_write(0x01);
2018US_HarisSoljic 0:b8956708b92f 258 f_write(0x79);
2018US_HarisSoljic 0:b8956708b92f 259 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 260 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 261
2018US_HarisSoljic 0:b8956708b92f 262 wr_cmd(0xCB);
2018US_HarisSoljic 0:b8956708b92f 263 f_write(0x39);
2018US_HarisSoljic 0:b8956708b92f 264 f_write(0x2C);
2018US_HarisSoljic 0:b8956708b92f 265 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 266 f_write(0x34);
2018US_HarisSoljic 0:b8956708b92f 267 f_write(0x02);
2018US_HarisSoljic 0:b8956708b92f 268 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 269 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 270
2018US_HarisSoljic 0:b8956708b92f 271 wr_cmd(0xF7);
2018US_HarisSoljic 0:b8956708b92f 272 f_write(0x20);
2018US_HarisSoljic 0:b8956708b92f 273 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 274 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 275
2018US_HarisSoljic 0:b8956708b92f 276 wr_cmd(0xEA);
2018US_HarisSoljic 0:b8956708b92f 277 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 278 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 279 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 280 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 281
2018US_HarisSoljic 0:b8956708b92f 282 wr_cmd(0xC0); // POWER_CONTROL_1
2018US_HarisSoljic 0:b8956708b92f 283 f_write(0x26);
2018US_HarisSoljic 0:b8956708b92f 284 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 285 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 286
2018US_HarisSoljic 0:b8956708b92f 287 wr_cmd(0xC1); // POWER_CONTROL_2
2018US_HarisSoljic 0:b8956708b92f 288 f_write(0x11);
2018US_HarisSoljic 0:b8956708b92f 289 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 290 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 291
2018US_HarisSoljic 0:b8956708b92f 292 wr_cmd(0xC5); // VCOM_CONTROL_1
2018US_HarisSoljic 0:b8956708b92f 293 f_write(0x35);
2018US_HarisSoljic 0:b8956708b92f 294 f_write(0x3E);
2018US_HarisSoljic 0:b8956708b92f 295 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 296 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 297
2018US_HarisSoljic 0:b8956708b92f 298 wr_cmd(0xC7); // VCOM_CONTROL_2
2018US_HarisSoljic 0:b8956708b92f 299 f_write(0xBE);
2018US_HarisSoljic 0:b8956708b92f 300 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 301 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 302
2018US_HarisSoljic 0:b8956708b92f 303 wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
2018US_HarisSoljic 0:b8956708b92f 304 f_write(0x48);
2018US_HarisSoljic 0:b8956708b92f 305 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 306 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 307
2018US_HarisSoljic 0:b8956708b92f 308 wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
2018US_HarisSoljic 0:b8956708b92f 309 f_write(0x55); // 16 bit pixel
2018US_HarisSoljic 0:b8956708b92f 310 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 311 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 312
2018US_HarisSoljic 0:b8956708b92f 313 wr_cmd(0xB1); // Frame Rate
2018US_HarisSoljic 0:b8956708b92f 314 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 315 f_write(0x1B);
2018US_HarisSoljic 0:b8956708b92f 316 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 317 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 318
2018US_HarisSoljic 0:b8956708b92f 319 wr_cmd(0xF2); // Gamma Function Disable
2018US_HarisSoljic 0:b8956708b92f 320 f_write(0x08);
2018US_HarisSoljic 0:b8956708b92f 321 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 322 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 323
2018US_HarisSoljic 0:b8956708b92f 324 wr_cmd(0x26);
2018US_HarisSoljic 0:b8956708b92f 325 f_write(0x01); // gamma set for curve 01/2/04/08
2018US_HarisSoljic 0:b8956708b92f 326 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 327 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 328
2018US_HarisSoljic 0:b8956708b92f 329 wr_cmd(0xE0); // positive gamma correction
2018US_HarisSoljic 0:b8956708b92f 330 f_write(0x1F);
2018US_HarisSoljic 0:b8956708b92f 331 f_write(0x1A);
2018US_HarisSoljic 0:b8956708b92f 332 f_write(0x18);
2018US_HarisSoljic 0:b8956708b92f 333 f_write(0x0A);
2018US_HarisSoljic 0:b8956708b92f 334 f_write(0x0F);
2018US_HarisSoljic 0:b8956708b92f 335 f_write(0x06);
2018US_HarisSoljic 0:b8956708b92f 336 f_write(0x45);
2018US_HarisSoljic 0:b8956708b92f 337 f_write(0x87);
2018US_HarisSoljic 0:b8956708b92f 338 f_write(0x32);
2018US_HarisSoljic 0:b8956708b92f 339 f_write(0x0A);
2018US_HarisSoljic 0:b8956708b92f 340 f_write(0x07);
2018US_HarisSoljic 0:b8956708b92f 341 f_write(0x02);
2018US_HarisSoljic 0:b8956708b92f 342 f_write(0x07);
2018US_HarisSoljic 0:b8956708b92f 343 f_write(0x05);
2018US_HarisSoljic 0:b8956708b92f 344 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 345 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 346 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 347
2018US_HarisSoljic 0:b8956708b92f 348 wr_cmd(0xE1); // negativ gamma correction
2018US_HarisSoljic 0:b8956708b92f 349 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 350 f_write(0x25);
2018US_HarisSoljic 0:b8956708b92f 351 f_write(0x27);
2018US_HarisSoljic 0:b8956708b92f 352 f_write(0x05);
2018US_HarisSoljic 0:b8956708b92f 353 f_write(0x10);
2018US_HarisSoljic 0:b8956708b92f 354 f_write(0x09);
2018US_HarisSoljic 0:b8956708b92f 355 f_write(0x3A);
2018US_HarisSoljic 0:b8956708b92f 356 f_write(0x78);
2018US_HarisSoljic 0:b8956708b92f 357 f_write(0x4D);
2018US_HarisSoljic 0:b8956708b92f 358 f_write(0x05);
2018US_HarisSoljic 0:b8956708b92f 359 f_write(0x18);
2018US_HarisSoljic 0:b8956708b92f 360 f_write(0x0D);
2018US_HarisSoljic 0:b8956708b92f 361 f_write(0x38);
2018US_HarisSoljic 0:b8956708b92f 362 f_write(0x3A);
2018US_HarisSoljic 0:b8956708b92f 363 f_write(0x1F);
2018US_HarisSoljic 0:b8956708b92f 364 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 365 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 366
2018US_HarisSoljic 0:b8956708b92f 367 WindowMax ();
2018US_HarisSoljic 0:b8956708b92f 368
2018US_HarisSoljic 0:b8956708b92f 369 //wr_cmd(0x34); // tearing effect off
2018US_HarisSoljic 0:b8956708b92f 370 //_cs = 1;
2018US_HarisSoljic 0:b8956708b92f 371
2018US_HarisSoljic 0:b8956708b92f 372 //wr_cmd(0x35); // tearing effect on
2018US_HarisSoljic 0:b8956708b92f 373 //_cs = 1;
2018US_HarisSoljic 0:b8956708b92f 374
2018US_HarisSoljic 0:b8956708b92f 375 wr_cmd(0xB7); // entry mode
2018US_HarisSoljic 0:b8956708b92f 376 f_write(0x07);
2018US_HarisSoljic 0:b8956708b92f 377 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 378 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 379
2018US_HarisSoljic 0:b8956708b92f 380 wr_cmd(0xB6); // display function control
2018US_HarisSoljic 0:b8956708b92f 381 f_write(0x0A);
2018US_HarisSoljic 0:b8956708b92f 382 f_write(0x82);
2018US_HarisSoljic 0:b8956708b92f 383 f_write(0x27);
2018US_HarisSoljic 0:b8956708b92f 384 f_write(0x00);
2018US_HarisSoljic 0:b8956708b92f 385 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 386 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 387
2018US_HarisSoljic 0:b8956708b92f 388 wr_cmd(0x11); // sleep out
2018US_HarisSoljic 0:b8956708b92f 389 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 390 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 391
2018US_HarisSoljic 0:b8956708b92f 392 wait_ms(100);
2018US_HarisSoljic 0:b8956708b92f 393
2018US_HarisSoljic 0:b8956708b92f 394 wr_cmd(0x29); // display on
2018US_HarisSoljic 0:b8956708b92f 395 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 396 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 397
2018US_HarisSoljic 0:b8956708b92f 398 wait_ms(100);
2018US_HarisSoljic 0:b8956708b92f 399
2018US_HarisSoljic 0:b8956708b92f 400 // Configure the DMA controller init-structure
2018US_HarisSoljic 0:b8956708b92f 401 DMA_StructInit(&DMA_InitStructure);
2018US_HarisSoljic 0:b8956708b92f 402 switch(spi_num){ // decide which SPI is to use
2018US_HarisSoljic 0:b8956708b92f 403 case (1):
2018US_HarisSoljic 0:b8956708b92f 404 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // SPI1 and SPI2 are using DMA 1
2018US_HarisSoljic 0:b8956708b92f 405 DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) &(SPI1->DR);
2018US_HarisSoljic 0:b8956708b92f 406 break;
2018US_HarisSoljic 0:b8956708b92f 407 case (2):
2018US_HarisSoljic 0:b8956708b92f 408 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // SPI1 and SPI2 are using DMA 1
2018US_HarisSoljic 0:b8956708b92f 409 DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) &(SPI2->DR);
2018US_HarisSoljic 0:b8956708b92f 410 break;
2018US_HarisSoljic 0:b8956708b92f 411 case (3):
2018US_HarisSoljic 0:b8956708b92f 412 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE); // SPI3 is using DMA 2
2018US_HarisSoljic 0:b8956708b92f 413 DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) &(SPI3->DR);
2018US_HarisSoljic 0:b8956708b92f 414 break;
2018US_HarisSoljic 0:b8956708b92f 415 }
2018US_HarisSoljic 0:b8956708b92f 416 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
2018US_HarisSoljic 0:b8956708b92f 417 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
2018US_HarisSoljic 0:b8956708b92f 418 DMA_InitStructure.DMA_BufferSize = 0;
2018US_HarisSoljic 0:b8956708b92f 419 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
2018US_HarisSoljic 0:b8956708b92f 420 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
2018US_HarisSoljic 0:b8956708b92f 421 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
2018US_HarisSoljic 0:b8956708b92f 422 DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
2018US_HarisSoljic 0:b8956708b92f 423 DMA_InitStructure.DMA_Priority = DMA_Priority_High;
2018US_HarisSoljic 0:b8956708b92f 424 }
2018US_HarisSoljic 0:b8956708b92f 425
2018US_HarisSoljic 0:b8956708b92f 426
2018US_HarisSoljic 0:b8956708b92f 427 // speed optimized
2018US_HarisSoljic 0:b8956708b92f 428 // write direct to SPI1 register !
2018US_HarisSoljic 0:b8956708b92f 429 void SPI_TFT_ILI9341::pixel(int x, int y, int color)
2018US_HarisSoljic 0:b8956708b92f 430 {
2018US_HarisSoljic 0:b8956708b92f 431 wr_cmd(0x2A);
2018US_HarisSoljic 0:b8956708b92f 432 spi_16(1); // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 433 f_write(x);
2018US_HarisSoljic 0:b8956708b92f 434 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 435 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 436
2018US_HarisSoljic 0:b8956708b92f 437 spi_16(0); // switch to 8 bit Mode
2018US_HarisSoljic 0:b8956708b92f 438 wr_cmd(0x2B);
2018US_HarisSoljic 0:b8956708b92f 439 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 440 f_write(y);
2018US_HarisSoljic 0:b8956708b92f 441 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 442 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 443 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 444
2018US_HarisSoljic 0:b8956708b92f 445 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 446 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 447 f_write(color);
2018US_HarisSoljic 0:b8956708b92f 448 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 449 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 450 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 451 }
2018US_HarisSoljic 0:b8956708b92f 452
2018US_HarisSoljic 0:b8956708b92f 453 // optimized
2018US_HarisSoljic 0:b8956708b92f 454 // write direct to SPI1 register !
2018US_HarisSoljic 0:b8956708b92f 455 void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
2018US_HarisSoljic 0:b8956708b92f 456 {
2018US_HarisSoljic 0:b8956708b92f 457 wr_cmd(0x2A);
2018US_HarisSoljic 0:b8956708b92f 458 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 459 f_write(x);
2018US_HarisSoljic 0:b8956708b92f 460 f_write(x+w-1);
2018US_HarisSoljic 0:b8956708b92f 461 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 462 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 463 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 464
2018US_HarisSoljic 0:b8956708b92f 465 wr_cmd(0x2B);
2018US_HarisSoljic 0:b8956708b92f 466 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 467 f_write(y) ;
2018US_HarisSoljic 0:b8956708b92f 468 f_write(y+h-1);
2018US_HarisSoljic 0:b8956708b92f 469 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 470 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 471 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 472 }
2018US_HarisSoljic 0:b8956708b92f 473
2018US_HarisSoljic 0:b8956708b92f 474
2018US_HarisSoljic 0:b8956708b92f 475 void SPI_TFT_ILI9341::WindowMax (void)
2018US_HarisSoljic 0:b8956708b92f 476 {
2018US_HarisSoljic 0:b8956708b92f 477 window (0, 0, width(), height());
2018US_HarisSoljic 0:b8956708b92f 478 }
2018US_HarisSoljic 0:b8956708b92f 479
2018US_HarisSoljic 0:b8956708b92f 480 // optimized
2018US_HarisSoljic 0:b8956708b92f 481 // use DMA to transfer pixel data to the screen
2018US_HarisSoljic 0:b8956708b92f 482 void SPI_TFT_ILI9341::cls (void)
2018US_HarisSoljic 0:b8956708b92f 483 {
2018US_HarisSoljic 0:b8956708b92f 484 // we can use the fillrect function
2018US_HarisSoljic 0:b8956708b92f 485 fillrect(0,0,width()-1,height()-1,_background);
2018US_HarisSoljic 0:b8956708b92f 486 }
2018US_HarisSoljic 0:b8956708b92f 487
2018US_HarisSoljic 0:b8956708b92f 488 void SPI_TFT_ILI9341::circle(int x0, int y0, int r, int color)
2018US_HarisSoljic 0:b8956708b92f 489 {
2018US_HarisSoljic 0:b8956708b92f 490
2018US_HarisSoljic 0:b8956708b92f 491 int x = -r, y = 0, err = 2-2*r, e2;
2018US_HarisSoljic 0:b8956708b92f 492 do {
2018US_HarisSoljic 0:b8956708b92f 493 pixel(x0-x, y0+y,color);
2018US_HarisSoljic 0:b8956708b92f 494 pixel(x0+x, y0+y,color);
2018US_HarisSoljic 0:b8956708b92f 495 pixel(x0+x, y0-y,color);
2018US_HarisSoljic 0:b8956708b92f 496 pixel(x0-x, y0-y,color);
2018US_HarisSoljic 0:b8956708b92f 497 e2 = err;
2018US_HarisSoljic 0:b8956708b92f 498 if (e2 <= y) {
2018US_HarisSoljic 0:b8956708b92f 499 err += ++y*2+1;
2018US_HarisSoljic 0:b8956708b92f 500 if (-x == y && e2 <= x) e2 = 0;
2018US_HarisSoljic 0:b8956708b92f 501 }
2018US_HarisSoljic 0:b8956708b92f 502 if (e2 > x) err += ++x*2+1;
2018US_HarisSoljic 0:b8956708b92f 503 } while (x <= 0);
2018US_HarisSoljic 0:b8956708b92f 504 }
2018US_HarisSoljic 0:b8956708b92f 505
2018US_HarisSoljic 0:b8956708b92f 506 void SPI_TFT_ILI9341::fillcircle(int x0, int y0, int r, int color)
2018US_HarisSoljic 0:b8956708b92f 507 {
2018US_HarisSoljic 0:b8956708b92f 508 int x = -r, y = 0, err = 2-2*r, e2;
2018US_HarisSoljic 0:b8956708b92f 509 do {
2018US_HarisSoljic 0:b8956708b92f 510 vline(x0-x, y0-y, y0+y, color);
2018US_HarisSoljic 0:b8956708b92f 511 vline(x0+x, y0-y, y0+y, color);
2018US_HarisSoljic 0:b8956708b92f 512 e2 = err;
2018US_HarisSoljic 0:b8956708b92f 513 if (e2 <= y) {
2018US_HarisSoljic 0:b8956708b92f 514 err += ++y*2+1;
2018US_HarisSoljic 0:b8956708b92f 515 if (-x == y && e2 <= x) e2 = 0;
2018US_HarisSoljic 0:b8956708b92f 516 }
2018US_HarisSoljic 0:b8956708b92f 517 if (e2 > x) err += ++x*2+1;
2018US_HarisSoljic 0:b8956708b92f 518 } while (x <= 0);
2018US_HarisSoljic 0:b8956708b92f 519 }
2018US_HarisSoljic 0:b8956708b92f 520
2018US_HarisSoljic 0:b8956708b92f 521
2018US_HarisSoljic 0:b8956708b92f 522 // optimized for speed
2018US_HarisSoljic 0:b8956708b92f 523 void SPI_TFT_ILI9341::hline(int x0, int x1, int y, int color)
2018US_HarisSoljic 0:b8956708b92f 524 {
2018US_HarisSoljic 0:b8956708b92f 525 int w,j;
2018US_HarisSoljic 0:b8956708b92f 526 w = x1 - x0 + 1;
2018US_HarisSoljic 0:b8956708b92f 527 window(x0,y,w,1);
2018US_HarisSoljic 0:b8956708b92f 528 _dc = 0;
2018US_HarisSoljic 0:b8956708b92f 529 _cs = 0;
2018US_HarisSoljic 0:b8956708b92f 530 f_write(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 531 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 532 _dc = 1;
2018US_HarisSoljic 0:b8956708b92f 533 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 534
2018US_HarisSoljic 0:b8956708b92f 535 for (j=0; j<w; j++) {
2018US_HarisSoljic 0:b8956708b92f 536 f_write(color);
2018US_HarisSoljic 0:b8956708b92f 537 }
2018US_HarisSoljic 0:b8956708b92f 538 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 539 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 540 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 541 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 542 return;
2018US_HarisSoljic 0:b8956708b92f 543 }
2018US_HarisSoljic 0:b8956708b92f 544
2018US_HarisSoljic 0:b8956708b92f 545 // optimized for speed
2018US_HarisSoljic 0:b8956708b92f 546 void SPI_TFT_ILI9341::vline(int x, int y0, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 547 {
2018US_HarisSoljic 0:b8956708b92f 548 int h,y;
2018US_HarisSoljic 0:b8956708b92f 549 h = y1 - y0 + 1;
2018US_HarisSoljic 0:b8956708b92f 550 window(x,y0,1,h);
2018US_HarisSoljic 0:b8956708b92f 551 _dc = 0;
2018US_HarisSoljic 0:b8956708b92f 552 _cs = 0;
2018US_HarisSoljic 0:b8956708b92f 553 f_write(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 554 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 555 _dc = 1;
2018US_HarisSoljic 0:b8956708b92f 556 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 557 // switch to 16 bit Mode 3
2018US_HarisSoljic 0:b8956708b92f 558 for (y=0; y<h; y++) {
2018US_HarisSoljic 0:b8956708b92f 559 f_write(color);
2018US_HarisSoljic 0:b8956708b92f 560 }
2018US_HarisSoljic 0:b8956708b92f 561 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 562 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 563 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 564 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 565 return;
2018US_HarisSoljic 0:b8956708b92f 566 }
2018US_HarisSoljic 0:b8956708b92f 567
2018US_HarisSoljic 0:b8956708b92f 568
2018US_HarisSoljic 0:b8956708b92f 569 void SPI_TFT_ILI9341::line(int x0, int y0, int x1, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 570 {
2018US_HarisSoljic 0:b8956708b92f 571 //WindowMax();
2018US_HarisSoljic 0:b8956708b92f 572 int dx = 0, dy = 0;
2018US_HarisSoljic 0:b8956708b92f 573 int dx_sym = 0, dy_sym = 0;
2018US_HarisSoljic 0:b8956708b92f 574 int dx_x2 = 0, dy_x2 = 0;
2018US_HarisSoljic 0:b8956708b92f 575 int di = 0;
2018US_HarisSoljic 0:b8956708b92f 576
2018US_HarisSoljic 0:b8956708b92f 577 dx = x1-x0;
2018US_HarisSoljic 0:b8956708b92f 578 dy = y1-y0;
2018US_HarisSoljic 0:b8956708b92f 579
2018US_HarisSoljic 0:b8956708b92f 580 if (dx == 0) { /* vertical line */
2018US_HarisSoljic 0:b8956708b92f 581 if (y1 > y0) vline(x0,y0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 582 else vline(x0,y1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 583 return;
2018US_HarisSoljic 0:b8956708b92f 584 }
2018US_HarisSoljic 0:b8956708b92f 585
2018US_HarisSoljic 0:b8956708b92f 586 if (dx > 0) {
2018US_HarisSoljic 0:b8956708b92f 587 dx_sym = 1;
2018US_HarisSoljic 0:b8956708b92f 588 } else {
2018US_HarisSoljic 0:b8956708b92f 589 dx_sym = -1;
2018US_HarisSoljic 0:b8956708b92f 590 }
2018US_HarisSoljic 0:b8956708b92f 591 if (dy == 0) { /* horizontal line */
2018US_HarisSoljic 0:b8956708b92f 592 if (x1 > x0) hline(x0,x1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 593 else hline(x1,x0,y0,color);
2018US_HarisSoljic 0:b8956708b92f 594 return;
2018US_HarisSoljic 0:b8956708b92f 595 }
2018US_HarisSoljic 0:b8956708b92f 596
2018US_HarisSoljic 0:b8956708b92f 597 if (dy > 0) {
2018US_HarisSoljic 0:b8956708b92f 598 dy_sym = 1;
2018US_HarisSoljic 0:b8956708b92f 599 } else {
2018US_HarisSoljic 0:b8956708b92f 600 dy_sym = -1;
2018US_HarisSoljic 0:b8956708b92f 601 }
2018US_HarisSoljic 0:b8956708b92f 602
2018US_HarisSoljic 0:b8956708b92f 603 dx = dx_sym*dx;
2018US_HarisSoljic 0:b8956708b92f 604 dy = dy_sym*dy;
2018US_HarisSoljic 0:b8956708b92f 605
2018US_HarisSoljic 0:b8956708b92f 606 dx_x2 = dx*2;
2018US_HarisSoljic 0:b8956708b92f 607 dy_x2 = dy*2;
2018US_HarisSoljic 0:b8956708b92f 608
2018US_HarisSoljic 0:b8956708b92f 609 if (dx >= dy) {
2018US_HarisSoljic 0:b8956708b92f 610 di = dy_x2 - dx;
2018US_HarisSoljic 0:b8956708b92f 611 while (x0 != x1) {
2018US_HarisSoljic 0:b8956708b92f 612
2018US_HarisSoljic 0:b8956708b92f 613 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 614 x0 += dx_sym;
2018US_HarisSoljic 0:b8956708b92f 615 if (di<0) {
2018US_HarisSoljic 0:b8956708b92f 616 di += dy_x2;
2018US_HarisSoljic 0:b8956708b92f 617 } else {
2018US_HarisSoljic 0:b8956708b92f 618 di += dy_x2 - dx_x2;
2018US_HarisSoljic 0:b8956708b92f 619 y0 += dy_sym;
2018US_HarisSoljic 0:b8956708b92f 620 }
2018US_HarisSoljic 0:b8956708b92f 621 }
2018US_HarisSoljic 0:b8956708b92f 622 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 623 } else {
2018US_HarisSoljic 0:b8956708b92f 624 di = dx_x2 - dy;
2018US_HarisSoljic 0:b8956708b92f 625 while (y0 != y1) {
2018US_HarisSoljic 0:b8956708b92f 626 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 627 y0 += dy_sym;
2018US_HarisSoljic 0:b8956708b92f 628 if (di < 0) {
2018US_HarisSoljic 0:b8956708b92f 629 di += dx_x2;
2018US_HarisSoljic 0:b8956708b92f 630 } else {
2018US_HarisSoljic 0:b8956708b92f 631 di += dx_x2 - dy_x2;
2018US_HarisSoljic 0:b8956708b92f 632 x0 += dx_sym;
2018US_HarisSoljic 0:b8956708b92f 633 }
2018US_HarisSoljic 0:b8956708b92f 634 }
2018US_HarisSoljic 0:b8956708b92f 635 pixel(x0, y0, color);
2018US_HarisSoljic 0:b8956708b92f 636 }
2018US_HarisSoljic 0:b8956708b92f 637 return;
2018US_HarisSoljic 0:b8956708b92f 638 }
2018US_HarisSoljic 0:b8956708b92f 639
2018US_HarisSoljic 0:b8956708b92f 640
2018US_HarisSoljic 0:b8956708b92f 641 void SPI_TFT_ILI9341::rect(int x0, int y0, int x1, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 642 {
2018US_HarisSoljic 0:b8956708b92f 643
2018US_HarisSoljic 0:b8956708b92f 644 if (x1 > x0) hline(x0,x1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 645 else hline(x1,x0,y0,color);
2018US_HarisSoljic 0:b8956708b92f 646
2018US_HarisSoljic 0:b8956708b92f 647 if (y1 > y0) vline(x0,y0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 648 else vline(x0,y1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 649
2018US_HarisSoljic 0:b8956708b92f 650 if (x1 > x0) hline(x0,x1,y1,color);
2018US_HarisSoljic 0:b8956708b92f 651 else hline(x1,x0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 652
2018US_HarisSoljic 0:b8956708b92f 653 if (y1 > y0) vline(x1,y0,y1,color);
2018US_HarisSoljic 0:b8956708b92f 654 else vline(x1,y1,y0,color);
2018US_HarisSoljic 0:b8956708b92f 655
2018US_HarisSoljic 0:b8956708b92f 656 return;
2018US_HarisSoljic 0:b8956708b92f 657 }
2018US_HarisSoljic 0:b8956708b92f 658
2018US_HarisSoljic 0:b8956708b92f 659
2018US_HarisSoljic 0:b8956708b92f 660
2018US_HarisSoljic 0:b8956708b92f 661 // optimized for speed
2018US_HarisSoljic 0:b8956708b92f 662 // use DMA
2018US_HarisSoljic 0:b8956708b92f 663 void SPI_TFT_ILI9341::fillrect(int x0, int y0, int x1, int y1, int color)
2018US_HarisSoljic 0:b8956708b92f 664 {
2018US_HarisSoljic 0:b8956708b92f 665
2018US_HarisSoljic 0:b8956708b92f 666 int h = y1 - y0 + 1;
2018US_HarisSoljic 0:b8956708b92f 667 int w = x1 - x0 + 1;
2018US_HarisSoljic 0:b8956708b92f 668 int pixel = h * w;
2018US_HarisSoljic 0:b8956708b92f 669 unsigned int dma_transfer;
2018US_HarisSoljic 0:b8956708b92f 670 window(x0,y0,w,h);
2018US_HarisSoljic 0:b8956708b92f 671
2018US_HarisSoljic 0:b8956708b92f 672 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 673 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 674 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t) &color;
2018US_HarisSoljic 0:b8956708b92f 675 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
2018US_HarisSoljic 0:b8956708b92f 676
2018US_HarisSoljic 0:b8956708b92f 677 switch(spi_num){ // decide which SPI is to use
2018US_HarisSoljic 0:b8956708b92f 678 case (1):
2018US_HarisSoljic 0:b8956708b92f 679 DMA_Init(DMA1_Channel3, &DMA_InitStructure); // init the DMA
2018US_HarisSoljic 0:b8956708b92f 680 do{
2018US_HarisSoljic 0:b8956708b92f 681 if(pixel < 0x10000) {
2018US_HarisSoljic 0:b8956708b92f 682 dma_transfer = pixel;
2018US_HarisSoljic 0:b8956708b92f 683 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 684 }
2018US_HarisSoljic 0:b8956708b92f 685 else {
2018US_HarisSoljic 0:b8956708b92f 686 dma_transfer = 0xffff;
2018US_HarisSoljic 0:b8956708b92f 687 pixel = pixel - 0xffff;
2018US_HarisSoljic 0:b8956708b92f 688 }
2018US_HarisSoljic 0:b8956708b92f 689 DMA_SetCurrDataCounter(DMA1_Channel3, dma_transfer);
2018US_HarisSoljic 0:b8956708b92f 690 SPI_I2S_DMACmd(SPI1, SPI_I2S_DMAReq_Tx,ENABLE);
2018US_HarisSoljic 0:b8956708b92f 691 DMA_Cmd(DMA1_Channel3, ENABLE);
2018US_HarisSoljic 0:b8956708b92f 692 while(DMA_GetCurrDataCounter(DMA1_Channel3) != 0); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 693 DMA_Cmd(DMA1_Channel3, DISABLE);
2018US_HarisSoljic 0:b8956708b92f 694 }while(pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 695 break;
2018US_HarisSoljic 0:b8956708b92f 696
2018US_HarisSoljic 0:b8956708b92f 697 case (2):
2018US_HarisSoljic 0:b8956708b92f 698 DMA_Init(DMA1_Channel5, &DMA_InitStructure); // init the DMA
2018US_HarisSoljic 0:b8956708b92f 699 do{
2018US_HarisSoljic 0:b8956708b92f 700 if(pixel < 0x10000) {
2018US_HarisSoljic 0:b8956708b92f 701 dma_transfer = pixel;
2018US_HarisSoljic 0:b8956708b92f 702 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 703 }
2018US_HarisSoljic 0:b8956708b92f 704 else {
2018US_HarisSoljic 0:b8956708b92f 705 dma_transfer = 0xffff;
2018US_HarisSoljic 0:b8956708b92f 706 pixel = pixel - 0xffff;
2018US_HarisSoljic 0:b8956708b92f 707 }
2018US_HarisSoljic 0:b8956708b92f 708 DMA_SetCurrDataCounter(DMA1_Channel5, dma_transfer);
2018US_HarisSoljic 0:b8956708b92f 709 SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Tx,ENABLE);
2018US_HarisSoljic 0:b8956708b92f 710 DMA_Cmd(DMA1_Channel5, ENABLE);
2018US_HarisSoljic 0:b8956708b92f 711 while(DMA_GetCurrDataCounter(DMA1_Channel5) != 0); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 712 DMA_Cmd(DMA1_Channel5, DISABLE);
2018US_HarisSoljic 0:b8956708b92f 713 }while(pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 714 break;
2018US_HarisSoljic 0:b8956708b92f 715
2018US_HarisSoljic 0:b8956708b92f 716 case (3):
2018US_HarisSoljic 0:b8956708b92f 717 DMA_Init(DMA2_Channel2, &DMA_InitStructure); // init the DMA
2018US_HarisSoljic 0:b8956708b92f 718 do{
2018US_HarisSoljic 0:b8956708b92f 719 if(pixel < 0x10000) {
2018US_HarisSoljic 0:b8956708b92f 720 dma_transfer = pixel;
2018US_HarisSoljic 0:b8956708b92f 721 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 722 }
2018US_HarisSoljic 0:b8956708b92f 723 else {
2018US_HarisSoljic 0:b8956708b92f 724 dma_transfer = 0xffff;
2018US_HarisSoljic 0:b8956708b92f 725 pixel = pixel - 0xffff;
2018US_HarisSoljic 0:b8956708b92f 726 }
2018US_HarisSoljic 0:b8956708b92f 727 DMA_SetCurrDataCounter(DMA2_Channel2, dma_transfer);
2018US_HarisSoljic 0:b8956708b92f 728 SPI_I2S_DMACmd(SPI3, SPI_I2S_DMAReq_Tx,ENABLE);
2018US_HarisSoljic 0:b8956708b92f 729 DMA_Cmd(DMA2_Channel2, ENABLE);
2018US_HarisSoljic 0:b8956708b92f 730 while(DMA_GetCurrDataCounter(DMA2_Channel2) != 0); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 731 DMA_Cmd(DMA2_Channel2, DISABLE);
2018US_HarisSoljic 0:b8956708b92f 732 }while(pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 733 break;
2018US_HarisSoljic 0:b8956708b92f 734 }
2018US_HarisSoljic 0:b8956708b92f 735 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 736 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 737 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 738 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 739 return;
2018US_HarisSoljic 0:b8956708b92f 740 }
2018US_HarisSoljic 0:b8956708b92f 741
2018US_HarisSoljic 0:b8956708b92f 742 void SPI_TFT_ILI9341::locate(int x, int y)
2018US_HarisSoljic 0:b8956708b92f 743 {
2018US_HarisSoljic 0:b8956708b92f 744 char_x = x;
2018US_HarisSoljic 0:b8956708b92f 745 char_y = y;
2018US_HarisSoljic 0:b8956708b92f 746 }
2018US_HarisSoljic 0:b8956708b92f 747
2018US_HarisSoljic 0:b8956708b92f 748 int SPI_TFT_ILI9341::columns()
2018US_HarisSoljic 0:b8956708b92f 749 {
2018US_HarisSoljic 0:b8956708b92f 750 return width() / font[1];
2018US_HarisSoljic 0:b8956708b92f 751 }
2018US_HarisSoljic 0:b8956708b92f 752
2018US_HarisSoljic 0:b8956708b92f 753
2018US_HarisSoljic 0:b8956708b92f 754 int SPI_TFT_ILI9341::rows()
2018US_HarisSoljic 0:b8956708b92f 755 {
2018US_HarisSoljic 0:b8956708b92f 756 return height() / font[2];
2018US_HarisSoljic 0:b8956708b92f 757 }
2018US_HarisSoljic 0:b8956708b92f 758
2018US_HarisSoljic 0:b8956708b92f 759
2018US_HarisSoljic 0:b8956708b92f 760 int SPI_TFT_ILI9341::_putc(int value)
2018US_HarisSoljic 0:b8956708b92f 761 {
2018US_HarisSoljic 0:b8956708b92f 762 if (value == '\n') { // new line
2018US_HarisSoljic 0:b8956708b92f 763 char_x = 0;
2018US_HarisSoljic 0:b8956708b92f 764 char_y = char_y + font[2];
2018US_HarisSoljic 0:b8956708b92f 765 if (char_y >= height() - font[2]) {
2018US_HarisSoljic 0:b8956708b92f 766 char_y = 0;
2018US_HarisSoljic 0:b8956708b92f 767 }
2018US_HarisSoljic 0:b8956708b92f 768 } else {
2018US_HarisSoljic 0:b8956708b92f 769 character(char_x, char_y, value);
2018US_HarisSoljic 0:b8956708b92f 770 }
2018US_HarisSoljic 0:b8956708b92f 771 return value;
2018US_HarisSoljic 0:b8956708b92f 772 }
2018US_HarisSoljic 0:b8956708b92f 773
2018US_HarisSoljic 0:b8956708b92f 774
2018US_HarisSoljic 0:b8956708b92f 775 // speed optimized
2018US_HarisSoljic 0:b8956708b92f 776 // will use dma
2018US_HarisSoljic 0:b8956708b92f 777 void SPI_TFT_ILI9341::character(int x, int y, int c)
2018US_HarisSoljic 0:b8956708b92f 778 {
2018US_HarisSoljic 0:b8956708b92f 779 unsigned int hor,vert,offset,bpl,j,i,b;
2018US_HarisSoljic 0:b8956708b92f 780 unsigned char* zeichen;
2018US_HarisSoljic 0:b8956708b92f 781 unsigned char z,w;
2018US_HarisSoljic 0:b8956708b92f 782 #ifdef use_ram
2018US_HarisSoljic 0:b8956708b92f 783 unsigned int pixel;
2018US_HarisSoljic 0:b8956708b92f 784 unsigned int p;
2018US_HarisSoljic 0:b8956708b92f 785 unsigned int dma_count,dma_off;
2018US_HarisSoljic 0:b8956708b92f 786 uint16_t *buffer;
2018US_HarisSoljic 0:b8956708b92f 787 #endif
2018US_HarisSoljic 0:b8956708b92f 788
2018US_HarisSoljic 0:b8956708b92f 789 if ((c < 31) || (c > 127)) return; // test char range
2018US_HarisSoljic 0:b8956708b92f 790
2018US_HarisSoljic 0:b8956708b92f 791 // read font parameter from start of array
2018US_HarisSoljic 0:b8956708b92f 792 offset = font[0]; // bytes / char
2018US_HarisSoljic 0:b8956708b92f 793 hor = font[1]; // get hor size of font
2018US_HarisSoljic 0:b8956708b92f 794 vert = font[2]; // get vert size of font
2018US_HarisSoljic 0:b8956708b92f 795 bpl = font[3]; // bytes per line
2018US_HarisSoljic 0:b8956708b92f 796
2018US_HarisSoljic 0:b8956708b92f 797 if (char_x + hor > width()) {
2018US_HarisSoljic 0:b8956708b92f 798 char_x = 0;
2018US_HarisSoljic 0:b8956708b92f 799 char_y = char_y + vert;
2018US_HarisSoljic 0:b8956708b92f 800 if (char_y >= height() - font[2]) {
2018US_HarisSoljic 0:b8956708b92f 801 char_y = 0;
2018US_HarisSoljic 0:b8956708b92f 802 }
2018US_HarisSoljic 0:b8956708b92f 803 }
2018US_HarisSoljic 0:b8956708b92f 804 window(char_x, char_y,hor,vert); // setup char box
2018US_HarisSoljic 0:b8956708b92f 805 wr_cmd(0x2C);
2018US_HarisSoljic 0:b8956708b92f 806 spi_16(1); // switch to 16 bit Mode
2018US_HarisSoljic 0:b8956708b92f 807 #ifdef use_ram
2018US_HarisSoljic 0:b8956708b92f 808 pixel = hor * vert; // calculate buffer size
2018US_HarisSoljic 0:b8956708b92f 809 buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the font
2018US_HarisSoljic 0:b8956708b92f 810 if(buffer != NULL) { // there is memory space -> use dma
2018US_HarisSoljic 0:b8956708b92f 811 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
2018US_HarisSoljic 0:b8956708b92f 812 w = zeichen[0]; // width of actual char
2018US_HarisSoljic 0:b8956708b92f 813 p = 0;
2018US_HarisSoljic 0:b8956708b92f 814 // construct the font into the buffer
2018US_HarisSoljic 0:b8956708b92f 815 for (j=0; j<vert; j++) { // vert line
2018US_HarisSoljic 0:b8956708b92f 816 for (i=0; i<hor; i++) { // horz line
2018US_HarisSoljic 0:b8956708b92f 817 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
2018US_HarisSoljic 0:b8956708b92f 818 b = 1 << (j & 0x07);
2018US_HarisSoljic 0:b8956708b92f 819 if (( z & b ) == 0x00) {
2018US_HarisSoljic 0:b8956708b92f 820 buffer[p] = _background;
2018US_HarisSoljic 0:b8956708b92f 821 } else {
2018US_HarisSoljic 0:b8956708b92f 822 buffer[p] = _foreground;
2018US_HarisSoljic 0:b8956708b92f 823 }
2018US_HarisSoljic 0:b8956708b92f 824 p++;
2018US_HarisSoljic 0:b8956708b92f 825 }
2018US_HarisSoljic 0:b8956708b92f 826 }
2018US_HarisSoljic 0:b8956708b92f 827 // copy the buffer with DMA SPI to display
2018US_HarisSoljic 0:b8956708b92f 828 dma_off = 0; // offset for DMA transfer
2018US_HarisSoljic 0:b8956708b92f 829 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t) (buffer + dma_off);
2018US_HarisSoljic 0:b8956708b92f 830 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
2018US_HarisSoljic 0:b8956708b92f 831
2018US_HarisSoljic 0:b8956708b92f 832 switch(spi_num){ // decide which SPI is to use
2018US_HarisSoljic 0:b8956708b92f 833 case (1):
2018US_HarisSoljic 0:b8956708b92f 834 DMA_Init(DMA1_Channel3, &DMA_InitStructure); // init the DMA
2018US_HarisSoljic 0:b8956708b92f 835 // start DMA
2018US_HarisSoljic 0:b8956708b92f 836 do {
2018US_HarisSoljic 0:b8956708b92f 837 if (pixel > 0X10000) { // this is a giant font !
2018US_HarisSoljic 0:b8956708b92f 838 dma_count = 0Xffff;
2018US_HarisSoljic 0:b8956708b92f 839 pixel = pixel - 0Xffff;
2018US_HarisSoljic 0:b8956708b92f 840 } else {
2018US_HarisSoljic 0:b8956708b92f 841 dma_count = pixel;
2018US_HarisSoljic 0:b8956708b92f 842 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 843 }
2018US_HarisSoljic 0:b8956708b92f 844 DMA_SetCurrDataCounter(DMA1_Channel3, dma_count);
2018US_HarisSoljic 0:b8956708b92f 845 SPI_I2S_DMACmd(SPI1, SPI_I2S_DMAReq_Tx,ENABLE);
2018US_HarisSoljic 0:b8956708b92f 846 DMA_Cmd(DMA1_Channel3, ENABLE);
2018US_HarisSoljic 0:b8956708b92f 847 while(DMA_GetCurrDataCounter(DMA1_Channel3) != 0); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 848 DMA_Cmd(DMA1_Channel3, DISABLE);
2018US_HarisSoljic 0:b8956708b92f 849 }while(pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 850 break;
2018US_HarisSoljic 0:b8956708b92f 851
2018US_HarisSoljic 0:b8956708b92f 852 case (2):
2018US_HarisSoljic 0:b8956708b92f 853 DMA_Init(DMA1_Channel5, &DMA_InitStructure); // init the DMA
2018US_HarisSoljic 0:b8956708b92f 854 // start DMA
2018US_HarisSoljic 0:b8956708b92f 855 do {
2018US_HarisSoljic 0:b8956708b92f 856 if (pixel > 0X10000) { // this is a giant font !
2018US_HarisSoljic 0:b8956708b92f 857 dma_count = 0Xffff;
2018US_HarisSoljic 0:b8956708b92f 858 pixel = pixel - 0Xffff;
2018US_HarisSoljic 0:b8956708b92f 859 } else {
2018US_HarisSoljic 0:b8956708b92f 860 dma_count = pixel;
2018US_HarisSoljic 0:b8956708b92f 861 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 862 }
2018US_HarisSoljic 0:b8956708b92f 863 DMA_SetCurrDataCounter(DMA1_Channel5, dma_count);
2018US_HarisSoljic 0:b8956708b92f 864 SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Tx,ENABLE);
2018US_HarisSoljic 0:b8956708b92f 865 DMA_Cmd(DMA1_Channel5, ENABLE);
2018US_HarisSoljic 0:b8956708b92f 866 while(DMA_GetCurrDataCounter(DMA1_Channel5) != 0); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 867 DMA_Cmd(DMA1_Channel5, DISABLE);
2018US_HarisSoljic 0:b8956708b92f 868 }while(pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 869 break;
2018US_HarisSoljic 0:b8956708b92f 870
2018US_HarisSoljic 0:b8956708b92f 871 case (3):
2018US_HarisSoljic 0:b8956708b92f 872 DMA_Init(DMA2_Channel2, &DMA_InitStructure); // init the DMA
2018US_HarisSoljic 0:b8956708b92f 873 // start DMA
2018US_HarisSoljic 0:b8956708b92f 874 do {
2018US_HarisSoljic 0:b8956708b92f 875 if (pixel > 0X10000) { // this is a giant font !
2018US_HarisSoljic 0:b8956708b92f 876 dma_count = 0Xffff;
2018US_HarisSoljic 0:b8956708b92f 877 pixel = pixel - 0Xffff;
2018US_HarisSoljic 0:b8956708b92f 878 } else {
2018US_HarisSoljic 0:b8956708b92f 879 dma_count = pixel;
2018US_HarisSoljic 0:b8956708b92f 880 pixel = 0;
2018US_HarisSoljic 0:b8956708b92f 881 }
2018US_HarisSoljic 0:b8956708b92f 882 DMA_SetCurrDataCounter(DMA2_Channel2, dma_count);
2018US_HarisSoljic 0:b8956708b92f 883 SPI_I2S_DMACmd(SPI3, SPI_I2S_DMAReq_Tx,ENABLE);
2018US_HarisSoljic 0:b8956708b92f 884 DMA_Cmd(DMA2_Channel2, ENABLE);
2018US_HarisSoljic 0:b8956708b92f 885 while(DMA_GetCurrDataCounter(DMA2_Channel2) != 0); // wait for end of transfer
2018US_HarisSoljic 0:b8956708b92f 886 DMA_Cmd(DMA2_Channel2, DISABLE);
2018US_HarisSoljic 0:b8956708b92f 887 }while(pixel > 0);
2018US_HarisSoljic 0:b8956708b92f 888 break;
2018US_HarisSoljic 0:b8956708b92f 889
2018US_HarisSoljic 0:b8956708b92f 890 }
2018US_HarisSoljic 0:b8956708b92f 891 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 892 free ((uint16_t *) buffer);
2018US_HarisSoljic 0:b8956708b92f 893 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 894 }
2018US_HarisSoljic 0:b8956708b92f 895
2018US_HarisSoljic 0:b8956708b92f 896 else{
2018US_HarisSoljic 0:b8956708b92f 897 #endif
2018US_HarisSoljic 0:b8956708b92f 898 zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
2018US_HarisSoljic 0:b8956708b92f 899 w = zeichen[0]; // width of actual char
2018US_HarisSoljic 0:b8956708b92f 900 for (j=0; j<vert; j++) { // vert line
2018US_HarisSoljic 0:b8956708b92f 901 for (i=0; i<hor; i++) { // horz line
2018US_HarisSoljic 0:b8956708b92f 902 z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
2018US_HarisSoljic 0:b8956708b92f 903 b = 1 << (j & 0x07);
2018US_HarisSoljic 0:b8956708b92f 904 if (( z & b ) == 0x00) {
2018US_HarisSoljic 0:b8956708b92f 905 f_write(_background);
2018US_HarisSoljic 0:b8956708b92f 906 } else {
2018US_HarisSoljic 0:b8956708b92f 907 f_write(_foreground);
2018US_HarisSoljic 0:b8956708b92f 908 }
2018US_HarisSoljic 0:b8956708b92f 909 }
2018US_HarisSoljic 0:b8956708b92f 910 }
2018US_HarisSoljic 0:b8956708b92f 911 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 912 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 913 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 914 #ifdef use_ram
2018US_HarisSoljic 0:b8956708b92f 915 }
2018US_HarisSoljic 0:b8956708b92f 916 #endif
2018US_HarisSoljic 0:b8956708b92f 917 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 918 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 919 if ((w + 2) < hor) { // x offset to next char
2018US_HarisSoljic 0:b8956708b92f 920 char_x += w + 2;
2018US_HarisSoljic 0:b8956708b92f 921 } else char_x += hor;
2018US_HarisSoljic 0:b8956708b92f 922 }
2018US_HarisSoljic 0:b8956708b92f 923
2018US_HarisSoljic 0:b8956708b92f 924
2018US_HarisSoljic 0:b8956708b92f 925 void SPI_TFT_ILI9341::set_font(unsigned char* f)
2018US_HarisSoljic 0:b8956708b92f 926 {
2018US_HarisSoljic 0:b8956708b92f 927 font = f;
2018US_HarisSoljic 0:b8956708b92f 928 }
2018US_HarisSoljic 0:b8956708b92f 929
2018US_HarisSoljic 0:b8956708b92f 930
2018US_HarisSoljic 0:b8956708b92f 931 void SPI_TFT_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
2018US_HarisSoljic 0:b8956708b92f 932 {
2018US_HarisSoljic 0:b8956708b92f 933 unsigned int j;
2018US_HarisSoljic 0:b8956708b92f 934 int padd;
2018US_HarisSoljic 0:b8956708b92f 935 unsigned short *bitmap_ptr = (unsigned short *)bitmap;
2018US_HarisSoljic 0:b8956708b92f 936
2018US_HarisSoljic 0:b8956708b92f 937 unsigned int i;
2018US_HarisSoljic 0:b8956708b92f 938
2018US_HarisSoljic 0:b8956708b92f 939 // the lines are padded to multiple of 4 bytes in a bitmap
2018US_HarisSoljic 0:b8956708b92f 940 padd = -1;
2018US_HarisSoljic 0:b8956708b92f 941 do {
2018US_HarisSoljic 0:b8956708b92f 942 padd ++;
2018US_HarisSoljic 0:b8956708b92f 943 } while (2*(w + padd)%4 != 0);
2018US_HarisSoljic 0:b8956708b92f 944 window(x, y, w, h);
2018US_HarisSoljic 0:b8956708b92f 945 bitmap_ptr += ((h - 1)* (w + padd));
2018US_HarisSoljic 0:b8956708b92f 946 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 947 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 948 for (j = 0; j < h; j++) { //Lines
2018US_HarisSoljic 0:b8956708b92f 949 for (i = 0; i < w; i++) { // one line
2018US_HarisSoljic 0:b8956708b92f 950 f_write(*bitmap_ptr); // one line
2018US_HarisSoljic 0:b8956708b92f 951 bitmap_ptr++;
2018US_HarisSoljic 0:b8956708b92f 952 }
2018US_HarisSoljic 0:b8956708b92f 953 bitmap_ptr -= 2*w;
2018US_HarisSoljic 0:b8956708b92f 954 bitmap_ptr -= padd;
2018US_HarisSoljic 0:b8956708b92f 955 }
2018US_HarisSoljic 0:b8956708b92f 956 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 957 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 958 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 959 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 960 }
2018US_HarisSoljic 0:b8956708b92f 961
2018US_HarisSoljic 0:b8956708b92f 962
2018US_HarisSoljic 0:b8956708b92f 963 // local filesystem is not implemented but you can add a SD card to a different SPI
2018US_HarisSoljic 0:b8956708b92f 964
2018US_HarisSoljic 0:b8956708b92f 965 int SPI_TFT_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
2018US_HarisSoljic 0:b8956708b92f 966 {
2018US_HarisSoljic 0:b8956708b92f 967
2018US_HarisSoljic 0:b8956708b92f 968 #define OffsetPixelWidth 18
2018US_HarisSoljic 0:b8956708b92f 969 #define OffsetPixelHeigh 22
2018US_HarisSoljic 0:b8956708b92f 970 #define OffsetFileSize 34
2018US_HarisSoljic 0:b8956708b92f 971 #define OffsetPixData 10
2018US_HarisSoljic 0:b8956708b92f 972 #define OffsetBPP 28
2018US_HarisSoljic 0:b8956708b92f 973
2018US_HarisSoljic 0:b8956708b92f 974 char filename[50];
2018US_HarisSoljic 0:b8956708b92f 975 unsigned char BMP_Header[54];
2018US_HarisSoljic 0:b8956708b92f 976 unsigned short BPP_t;
2018US_HarisSoljic 0:b8956708b92f 977 unsigned int PixelWidth,PixelHeigh,start_data;
2018US_HarisSoljic 0:b8956708b92f 978 unsigned int i,off;
2018US_HarisSoljic 0:b8956708b92f 979 int padd,j;
2018US_HarisSoljic 0:b8956708b92f 980 unsigned short *line;
2018US_HarisSoljic 0:b8956708b92f 981
2018US_HarisSoljic 0:b8956708b92f 982 // get the filename
2018US_HarisSoljic 0:b8956708b92f 983 i=0;
2018US_HarisSoljic 0:b8956708b92f 984 while (*Name_BMP!='\0') {
2018US_HarisSoljic 0:b8956708b92f 985 filename[i++]=*Name_BMP++;
2018US_HarisSoljic 0:b8956708b92f 986 }
2018US_HarisSoljic 0:b8956708b92f 987 filename[i] = 0;
2018US_HarisSoljic 0:b8956708b92f 988
2018US_HarisSoljic 0:b8956708b92f 989 FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file
2018US_HarisSoljic 0:b8956708b92f 990 if (!Image) {
2018US_HarisSoljic 0:b8956708b92f 991 return(0); // error file not found !
2018US_HarisSoljic 0:b8956708b92f 992 }
2018US_HarisSoljic 0:b8956708b92f 993
2018US_HarisSoljic 0:b8956708b92f 994 fread(&BMP_Header[0],1,54,Image); // get the BMP Header
2018US_HarisSoljic 0:b8956708b92f 995
2018US_HarisSoljic 0:b8956708b92f 996 if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte
2018US_HarisSoljic 0:b8956708b92f 997 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 998 return(-1); // error no BMP file
2018US_HarisSoljic 0:b8956708b92f 999 }
2018US_HarisSoljic 0:b8956708b92f 1000
2018US_HarisSoljic 0:b8956708b92f 1001 BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
2018US_HarisSoljic 0:b8956708b92f 1002 if (BPP_t != 0x0010) {
2018US_HarisSoljic 0:b8956708b92f 1003 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 1004 return(-2); // error no 16 bit BMP
2018US_HarisSoljic 0:b8956708b92f 1005 }
2018US_HarisSoljic 0:b8956708b92f 1006
2018US_HarisSoljic 0:b8956708b92f 1007 PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
2018US_HarisSoljic 0:b8956708b92f 1008 PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
2018US_HarisSoljic 0:b8956708b92f 1009 if (PixelHeigh > height() + y || PixelWidth > width() + x) {
2018US_HarisSoljic 0:b8956708b92f 1010 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 1011 return(-3); // to big
2018US_HarisSoljic 0:b8956708b92f 1012 }
2018US_HarisSoljic 0:b8956708b92f 1013
2018US_HarisSoljic 0:b8956708b92f 1014 start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
2018US_HarisSoljic 0:b8956708b92f 1015
2018US_HarisSoljic 0:b8956708b92f 1016 line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
2018US_HarisSoljic 0:b8956708b92f 1017 if (line == NULL) {
2018US_HarisSoljic 0:b8956708b92f 1018 return(-4); // error no memory
2018US_HarisSoljic 0:b8956708b92f 1019 }
2018US_HarisSoljic 0:b8956708b92f 1020
2018US_HarisSoljic 0:b8956708b92f 1021 // the bmp lines are padded to multiple of 4 bytes
2018US_HarisSoljic 0:b8956708b92f 1022 padd = -1;
2018US_HarisSoljic 0:b8956708b92f 1023 do {
2018US_HarisSoljic 0:b8956708b92f 1024 padd ++;
2018US_HarisSoljic 0:b8956708b92f 1025 } while ((PixelWidth * 2 + padd)%4 != 0);
2018US_HarisSoljic 0:b8956708b92f 1026
2018US_HarisSoljic 0:b8956708b92f 1027 window(x, y,PixelWidth ,PixelHeigh);
2018US_HarisSoljic 0:b8956708b92f 1028 wr_cmd(0x2C); // send pixel
2018US_HarisSoljic 0:b8956708b92f 1029 spi_16(1);
2018US_HarisSoljic 0:b8956708b92f 1030 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up
2018US_HarisSoljic 0:b8956708b92f 1031 off = j * (PixelWidth * 2 + padd) + start_data; // start of line
2018US_HarisSoljic 0:b8956708b92f 1032 fseek(Image, off ,SEEK_SET);
2018US_HarisSoljic 0:b8956708b92f 1033 fread(line,1,PixelWidth * 2,Image); // read a line - slow
2018US_HarisSoljic 0:b8956708b92f 1034 for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT
2018US_HarisSoljic 0:b8956708b92f 1035 f_write(line[i]); // one 16 bit pixel
2018US_HarisSoljic 0:b8956708b92f 1036 }
2018US_HarisSoljic 0:b8956708b92f 1037 }
2018US_HarisSoljic 0:b8956708b92f 1038 spi_bsy();
2018US_HarisSoljic 0:b8956708b92f 1039 _cs = 1;
2018US_HarisSoljic 0:b8956708b92f 1040 spi_16(0);
2018US_HarisSoljic 0:b8956708b92f 1041 free (line);
2018US_HarisSoljic 0:b8956708b92f 1042 fclose(Image);
2018US_HarisSoljic 0:b8956708b92f 1043 WindowMax();
2018US_HarisSoljic 0:b8956708b92f 1044 return(1);
2018US_HarisSoljic 0:b8956708b92f 1045 }
2018US_HarisSoljic 0:b8956708b92f 1046
2018US_HarisSoljic 0:b8956708b92f 1047 #endif
2018US_HarisSoljic 0:b8956708b92f 1048