Library to control a QVGA TFT connected to SPI. You can use printf to print text The lib can handle different fonts, draw lines, circles, rect and bmp
Fork of SPI_TFT by
SPI_TFT.cpp@16:2efcbb2814fa, 2013-03-25 (annotated)
- Committer:
- dreschpe
- Date:
- Mon Mar 25 10:11:00 2013 +0000
- Revision:
- 16:2efcbb2814fa
- Parent:
- 15:f5772cffc2b2
- Child:
- 18:52cbeede86f0
fix bug in bmp for kinetis
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dreschpe | 8:65a4de035c3c | 1 | /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller |
dreschpe | 8:65a4de035c3c | 2 | * Copyright (c) 2011 Peter Drescher - DC2PD |
dreschpe | 8:65a4de035c3c | 3 | * |
dreschpe | 8:65a4de035c3c | 4 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
dreschpe | 8:65a4de035c3c | 5 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
dreschpe | 8:65a4de035c3c | 6 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
dreschpe | 8:65a4de035c3c | 7 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
dreschpe | 8:65a4de035c3c | 8 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
dreschpe | 8:65a4de035c3c | 9 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
dreschpe | 8:65a4de035c3c | 10 | * THE SOFTWARE. |
dreschpe | 8:65a4de035c3c | 11 | */ |
dreschpe | 8:65a4de035c3c | 12 | |
dreschpe | 8:65a4de035c3c | 13 | |
dreschpe | 8:65a4de035c3c | 14 | // fix bmp padding for Bitmap function |
dreschpe | 8:65a4de035c3c | 15 | // speed up pixel |
dreschpe | 8:65a4de035c3c | 16 | // 30.12.11 fix cls |
dreschpe | 8:65a4de035c3c | 17 | // 11.03.12 use DMA to speed up |
dreschpe | 8:65a4de035c3c | 18 | // 15.03.12 use SSEL for TFT CS to enable DMA Register writes |
dreschpe | 8:65a4de035c3c | 19 | // 06.04.12 fix SSEL CS problem |
dreschpe | 8:65a4de035c3c | 20 | // 06.04.12 use direct access to the spi register to speed up the library. |
dreschpe | 8:65a4de035c3c | 21 | // 11.09.12 switch back to using io pin as cs to avoid problems with SSEL CS. |
dreschpe | 13:2c91cb947161 | 22 | // 21.09.12 fix Bug in BMP_16 |
dreschpe | 8:65a4de035c3c | 23 | // 11.10.12 patch from Hans Bergles to get SPI1 working again |
dreschpe | 8:65a4de035c3c | 24 | // 03.02.13 add a switch to switch off DMA use for LPC11U24 |
dreschpe | 13:2c91cb947161 | 25 | // 04.03.13 add support for new Kinetis board |
dreschpe | 16:2efcbb2814fa | 26 | // 25.03.13 fix Bug in bitmap for Kinetis board |
dreschpe | 8:65a4de035c3c | 27 | |
dreschpe | 8:65a4de035c3c | 28 | #include "SPI_TFT.h" |
dreschpe | 8:65a4de035c3c | 29 | #include "mbed.h" |
dreschpe | 8:65a4de035c3c | 30 | |
dreschpe | 8:65a4de035c3c | 31 | #define BPP 16 // Bits per pixel |
dreschpe | 13:2c91cb947161 | 32 | |
dreschpe | 13:2c91cb947161 | 33 | #if defined TARGET_LPC1768 |
dreschpe | 14:ea3206e8e3bd | 34 | #define USE_DMA // we use dma to speed up |
dreschpe | 14:ea3206e8e3bd | 35 | #define NO_MBED_LIB // we write direct to the SPI register to speed up |
dreschpe | 8:65a4de035c3c | 36 | #endif |
dreschpe | 8:65a4de035c3c | 37 | |
dreschpe | 13:2c91cb947161 | 38 | #if defined NO_DMA // if LPC1768 user want no DMA |
dreschpe | 8:65a4de035c3c | 39 | #undef USE_DMA |
dreschpe | 8:65a4de035c3c | 40 | #endif |
dreschpe | 13:2c91cb947161 | 41 | |
dreschpe | 8:65a4de035c3c | 42 | |
dreschpe | 8:65a4de035c3c | 43 | //extern Serial pc; |
dreschpe | 8:65a4de035c3c | 44 | //extern DigitalOut xx; // debug !! |
dreschpe | 8:65a4de035c3c | 45 | |
dreschpe | 8:65a4de035c3c | 46 | SPI_TFT::SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, const char *name) |
dreschpe | 8:65a4de035c3c | 47 | : _spi(mosi, miso, sclk), _cs(cs), _reset(reset),GraphicsDisplay(name) |
dreschpe | 8:65a4de035c3c | 48 | { |
dreschpe | 8:65a4de035c3c | 49 | orientation = 0; |
dreschpe | 8:65a4de035c3c | 50 | char_x = 0; |
dreschpe | 14:ea3206e8e3bd | 51 | #if defined TARGET_LPC1768 |
dreschpe | 14:ea3206e8e3bd | 52 | if (mosi == p11 || mosi == P0_18){ |
dreschpe | 14:ea3206e8e3bd | 53 | spi_port = 0; // we must know the used SPI port to setup the DMA |
dreschpe | 14:ea3206e8e3bd | 54 | } |
dreschpe | 14:ea3206e8e3bd | 55 | else { |
dreschpe | 14:ea3206e8e3bd | 56 | spi_port = 1; |
dreschpe | 14:ea3206e8e3bd | 57 | } |
dreschpe | 14:ea3206e8e3bd | 58 | #endif |
dreschpe | 8:65a4de035c3c | 59 | tft_reset(); |
dreschpe | 8:65a4de035c3c | 60 | } |
dreschpe | 8:65a4de035c3c | 61 | |
dreschpe | 8:65a4de035c3c | 62 | int SPI_TFT::width() |
dreschpe | 8:65a4de035c3c | 63 | { |
dreschpe | 8:65a4de035c3c | 64 | if (orientation == 0 || orientation == 2) return 240; |
dreschpe | 8:65a4de035c3c | 65 | else return 320; |
dreschpe | 8:65a4de035c3c | 66 | } |
dreschpe | 8:65a4de035c3c | 67 | |
dreschpe | 8:65a4de035c3c | 68 | |
dreschpe | 8:65a4de035c3c | 69 | int SPI_TFT::height() |
dreschpe | 8:65a4de035c3c | 70 | { |
dreschpe | 8:65a4de035c3c | 71 | if (orientation == 0 || orientation == 2) return 320; |
dreschpe | 8:65a4de035c3c | 72 | else return 240; |
dreschpe | 8:65a4de035c3c | 73 | } |
dreschpe | 8:65a4de035c3c | 74 | |
dreschpe | 8:65a4de035c3c | 75 | |
dreschpe | 8:65a4de035c3c | 76 | void SPI_TFT::set_orientation(unsigned int o) |
dreschpe | 8:65a4de035c3c | 77 | { |
dreschpe | 8:65a4de035c3c | 78 | orientation = o; |
dreschpe | 8:65a4de035c3c | 79 | switch (orientation) { |
dreschpe | 8:65a4de035c3c | 80 | case 0: |
dreschpe | 8:65a4de035c3c | 81 | wr_reg(0x16, 0x08); |
dreschpe | 8:65a4de035c3c | 82 | break; |
dreschpe | 8:65a4de035c3c | 83 | case 1: |
dreschpe | 8:65a4de035c3c | 84 | wr_reg(0x16, 0x68); |
dreschpe | 8:65a4de035c3c | 85 | break; |
dreschpe | 8:65a4de035c3c | 86 | case 2: |
dreschpe | 8:65a4de035c3c | 87 | wr_reg(0x16, 0xC8); |
dreschpe | 8:65a4de035c3c | 88 | break; |
dreschpe | 8:65a4de035c3c | 89 | case 3: |
dreschpe | 8:65a4de035c3c | 90 | wr_reg(0x16, 0xA8); |
dreschpe | 8:65a4de035c3c | 91 | break; |
dreschpe | 8:65a4de035c3c | 92 | } |
dreschpe | 8:65a4de035c3c | 93 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 94 | } |
dreschpe | 8:65a4de035c3c | 95 | |
dreschpe | 8:65a4de035c3c | 96 | |
dreschpe | 8:65a4de035c3c | 97 | // write command to tft register |
dreschpe | 8:65a4de035c3c | 98 | |
dreschpe | 8:65a4de035c3c | 99 | void SPI_TFT::wr_cmd(unsigned char cmd) |
dreschpe | 8:65a4de035c3c | 100 | { |
dreschpe | 8:65a4de035c3c | 101 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 102 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 103 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 104 | spi_d = 0x7000 | cmd ; |
dreschpe | 14:ea3206e8e3bd | 105 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 106 | LPC_SSP0->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 107 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 108 | do { |
dreschpe | 14:ea3206e8e3bd | 109 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 110 | } else { |
dreschpe | 14:ea3206e8e3bd | 111 | LPC_SSP1->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 112 | do { |
dreschpe | 14:ea3206e8e3bd | 113 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 114 | } |
dreschpe | 14:ea3206e8e3bd | 115 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 116 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 117 | _spi.write(0x70); |
dreschpe | 14:ea3206e8e3bd | 118 | _spi.write(cmd); |
dreschpe | 14:ea3206e8e3bd | 119 | #else // 16 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 120 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 121 | spi_d = 0x7000 | cmd ; |
dreschpe | 14:ea3206e8e3bd | 122 | _spi.write(spi_d); // mbed lib |
dreschpe | 14:ea3206e8e3bd | 123 | #endif |
dreschpe | 14:ea3206e8e3bd | 124 | #endif |
dreschpe | 8:65a4de035c3c | 125 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 126 | } |
dreschpe | 8:65a4de035c3c | 127 | |
dreschpe | 8:65a4de035c3c | 128 | |
dreschpe | 13:2c91cb947161 | 129 | // write data to tft register |
dreschpe | 8:65a4de035c3c | 130 | void SPI_TFT::wr_dat(unsigned char dat) |
dreschpe | 8:65a4de035c3c | 131 | { |
dreschpe | 14:ea3206e8e3bd | 132 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 133 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 134 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 135 | spi_d = 0x7200 | dat; |
dreschpe | 14:ea3206e8e3bd | 136 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 137 | LPC_SSP0->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 138 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 139 | do { |
dreschpe | 14:ea3206e8e3bd | 140 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 141 | } else { |
dreschpe | 14:ea3206e8e3bd | 142 | LPC_SSP1->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 143 | do { |
dreschpe | 14:ea3206e8e3bd | 144 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 145 | } |
dreschpe | 14:ea3206e8e3bd | 146 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 147 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 148 | _spi.write(0x72); |
dreschpe | 14:ea3206e8e3bd | 149 | _spi.write(dat); |
dreschpe | 14:ea3206e8e3bd | 150 | #else // 16 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 151 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 152 | spi_d = 0x7200 | dat; |
dreschpe | 14:ea3206e8e3bd | 153 | _spi.write(spi_d); |
dreschpe | 14:ea3206e8e3bd | 154 | #endif |
dreschpe | 14:ea3206e8e3bd | 155 | #endif |
dreschpe | 8:65a4de035c3c | 156 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 157 | } |
dreschpe | 8:65a4de035c3c | 158 | |
dreschpe | 8:65a4de035c3c | 159 | |
dreschpe | 8:65a4de035c3c | 160 | |
dreschpe | 8:65a4de035c3c | 161 | // the HX8347-D controller do not use the MISO (SDO) Signal. |
dreschpe | 8:65a4de035c3c | 162 | // This is a bug - ? |
dreschpe | 14:ea3206e8e3bd | 163 | // A read will return 0 at the moment |
dreschpe | 8:65a4de035c3c | 164 | |
dreschpe | 8:65a4de035c3c | 165 | unsigned short SPI_TFT::rd_dat (void) |
dreschpe | 8:65a4de035c3c | 166 | { |
dreschpe | 8:65a4de035c3c | 167 | unsigned short val = 0; |
dreschpe | 8:65a4de035c3c | 168 | |
dreschpe | 8:65a4de035c3c | 169 | //val = _spi.write(0x73ff); /* Dummy read 1 */ |
dreschpe | 8:65a4de035c3c | 170 | //val = _spi.write(0x0000); /* Read D8..D15 */ |
dreschpe | 8:65a4de035c3c | 171 | return (val); |
dreschpe | 8:65a4de035c3c | 172 | } |
dreschpe | 8:65a4de035c3c | 173 | |
dreschpe | 13:2c91cb947161 | 174 | // write to a TFT register |
dreschpe | 8:65a4de035c3c | 175 | void SPI_TFT::wr_reg (unsigned char reg, unsigned char val) |
dreschpe | 8:65a4de035c3c | 176 | { |
dreschpe | 8:65a4de035c3c | 177 | wr_cmd(reg); |
dreschpe | 8:65a4de035c3c | 178 | wr_dat(val); |
dreschpe | 8:65a4de035c3c | 179 | } |
dreschpe | 8:65a4de035c3c | 180 | |
dreschpe | 13:2c91cb947161 | 181 | // read from a TFT register |
dreschpe | 8:65a4de035c3c | 182 | unsigned short SPI_TFT::rd_reg (unsigned char reg) |
dreschpe | 8:65a4de035c3c | 183 | { |
dreschpe | 8:65a4de035c3c | 184 | wr_cmd(reg); |
dreschpe | 8:65a4de035c3c | 185 | return(rd_dat()); |
dreschpe | 8:65a4de035c3c | 186 | } |
dreschpe | 8:65a4de035c3c | 187 | |
dreschpe | 13:2c91cb947161 | 188 | // setup TFT controller - this is called by constructor |
dreschpe | 8:65a4de035c3c | 189 | void SPI_TFT::tft_reset() |
dreschpe | 8:65a4de035c3c | 190 | { |
dreschpe | 13:2c91cb947161 | 191 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 13:2c91cb947161 | 192 | _spi.format(8,3); |
dreschpe | 13:2c91cb947161 | 193 | #else // 16 Bit SPI |
dreschpe | 8:65a4de035c3c | 194 | _spi.format(16,3); // 16 bit spi mode 3 |
dreschpe | 13:2c91cb947161 | 195 | #endif |
dreschpe | 8:65a4de035c3c | 196 | _spi.frequency(48000000); // 48 Mhz SPI clock |
dreschpe | 8:65a4de035c3c | 197 | _cs = 1; // cs high |
dreschpe | 8:65a4de035c3c | 198 | _reset = 0; // display reset |
dreschpe | 8:65a4de035c3c | 199 | |
dreschpe | 8:65a4de035c3c | 200 | wait_us(50); |
dreschpe | 8:65a4de035c3c | 201 | _reset = 1; // end reset |
dreschpe | 8:65a4de035c3c | 202 | wait_ms(5); |
dreschpe | 8:65a4de035c3c | 203 | |
dreschpe | 8:65a4de035c3c | 204 | /* Start Initial Sequence ----------------------------------------------------*/ |
dreschpe | 8:65a4de035c3c | 205 | wr_reg(0xEA, 0x00); /* Reset Power Control 1 */ |
dreschpe | 8:65a4de035c3c | 206 | wr_reg(0xEB, 0x20); /* Power Control 2 */ |
dreschpe | 8:65a4de035c3c | 207 | wr_reg(0xEC, 0x0C); /* Power Control 3 */ |
dreschpe | 8:65a4de035c3c | 208 | wr_reg(0xED, 0xC4); /* Power Control 4 */ |
dreschpe | 8:65a4de035c3c | 209 | wr_reg(0xE8, 0x40); /* Source OPON_N */ |
dreschpe | 8:65a4de035c3c | 210 | wr_reg(0xE9, 0x38); /* Source OPON_I */ |
dreschpe | 8:65a4de035c3c | 211 | wr_reg(0xF1, 0x01); /* */ |
dreschpe | 8:65a4de035c3c | 212 | wr_reg(0xF2, 0x10); /* */ |
dreschpe | 8:65a4de035c3c | 213 | wr_reg(0x27, 0xA3); /* Display Control 2 */ |
dreschpe | 8:65a4de035c3c | 214 | |
dreschpe | 8:65a4de035c3c | 215 | /* Power On sequence ---------------------------------------------------------*/ |
dreschpe | 8:65a4de035c3c | 216 | wr_reg(0x1B, 0x1B); /* Power Control 2 */ |
dreschpe | 8:65a4de035c3c | 217 | wr_reg(0x1A, 0x01); /* Power Control 1 */ |
dreschpe | 8:65a4de035c3c | 218 | wr_reg(0x24, 0x2F); /* Vcom Control 2 */ |
dreschpe | 8:65a4de035c3c | 219 | wr_reg(0x25, 0x57); /* Vcom Control 3 */ |
dreschpe | 8:65a4de035c3c | 220 | wr_reg(0x23, 0x8D); /* Vcom Control 1 */ |
dreschpe | 8:65a4de035c3c | 221 | |
dreschpe | 8:65a4de035c3c | 222 | /* Gamma settings -----------------------------------------------------------*/ |
dreschpe | 13:2c91cb947161 | 223 | wr_reg(0x40,0x00); // default setup |
dreschpe | 8:65a4de035c3c | 224 | wr_reg(0x41,0x00); // |
dreschpe | 8:65a4de035c3c | 225 | wr_reg(0x42,0x01); // |
dreschpe | 8:65a4de035c3c | 226 | wr_reg(0x43,0x13); // |
dreschpe | 8:65a4de035c3c | 227 | wr_reg(0x44,0x10); // |
dreschpe | 8:65a4de035c3c | 228 | wr_reg(0x45,0x26); // |
dreschpe | 8:65a4de035c3c | 229 | wr_reg(0x46,0x08); // |
dreschpe | 8:65a4de035c3c | 230 | wr_reg(0x47,0x51); // |
dreschpe | 8:65a4de035c3c | 231 | wr_reg(0x48,0x02); // |
dreschpe | 8:65a4de035c3c | 232 | wr_reg(0x49,0x12); // |
dreschpe | 8:65a4de035c3c | 233 | wr_reg(0x4A,0x18); // |
dreschpe | 8:65a4de035c3c | 234 | wr_reg(0x4B,0x19); // |
dreschpe | 8:65a4de035c3c | 235 | wr_reg(0x4C,0x14); // |
dreschpe | 8:65a4de035c3c | 236 | wr_reg(0x50,0x19); // |
dreschpe | 8:65a4de035c3c | 237 | wr_reg(0x51,0x2F); // |
dreschpe | 8:65a4de035c3c | 238 | wr_reg(0x52,0x2C); // |
dreschpe | 8:65a4de035c3c | 239 | wr_reg(0x53,0x3E); // |
dreschpe | 8:65a4de035c3c | 240 | wr_reg(0x54,0x3F); // |
dreschpe | 8:65a4de035c3c | 241 | wr_reg(0x55,0x3F); // |
dreschpe | 8:65a4de035c3c | 242 | wr_reg(0x56,0x2E); // |
dreschpe | 8:65a4de035c3c | 243 | wr_reg(0x57,0x77); // |
dreschpe | 8:65a4de035c3c | 244 | wr_reg(0x58,0x0B); // |
dreschpe | 8:65a4de035c3c | 245 | wr_reg(0x59,0x06); // |
dreschpe | 8:65a4de035c3c | 246 | wr_reg(0x5A,0x07); // |
dreschpe | 8:65a4de035c3c | 247 | wr_reg(0x5B,0x0D); // |
dreschpe | 8:65a4de035c3c | 248 | wr_reg(0x5C,0x1D); // |
dreschpe | 8:65a4de035c3c | 249 | wr_reg(0x5D,0xCC); // |
dreschpe | 8:65a4de035c3c | 250 | |
dreschpe | 8:65a4de035c3c | 251 | /* Power + Osc ---------------------------------------------------------------*/ |
dreschpe | 14:ea3206e8e3bd | 252 | wr_reg(0x18, 0x36); /* OSC Control 1 */ |
dreschpe | 14:ea3206e8e3bd | 253 | wr_reg(0x19, 0x01); /* OSC Control 2 */ |
dreschpe | 14:ea3206e8e3bd | 254 | wr_reg(0x01, 0x00); /* Display Mode Control */ |
dreschpe | 14:ea3206e8e3bd | 255 | wr_reg(0x1F, 0x88); /* Power Control 6 */ |
dreschpe | 8:65a4de035c3c | 256 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 14:ea3206e8e3bd | 257 | wr_reg(0x1F, 0x80); /* Power Control 6 */ |
dreschpe | 14:ea3206e8e3bd | 258 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 14:ea3206e8e3bd | 259 | wr_reg(0x1F, 0x90); /* Power Control 6 */ |
dreschpe | 8:65a4de035c3c | 260 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 14:ea3206e8e3bd | 261 | wr_reg(0x1F, 0xD0); /* Power Control 6 */ |
dreschpe | 8:65a4de035c3c | 262 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 8:65a4de035c3c | 263 | |
dreschpe | 14:ea3206e8e3bd | 264 | wr_reg(0x17, 0x05); /* Colmod 16Bit/Pixel */ |
dreschpe | 8:65a4de035c3c | 265 | |
dreschpe | 14:ea3206e8e3bd | 266 | wr_reg(0x36, 0x00); /* Panel Characteristic */ |
dreschpe | 14:ea3206e8e3bd | 267 | wr_reg(0x28, 0x38); /* Display Control 3 */ |
dreschpe | 8:65a4de035c3c | 268 | wait_ms(40); |
dreschpe | 14:ea3206e8e3bd | 269 | wr_reg(0x28, 0x3C); /* Display Control 3 */ |
dreschpe | 8:65a4de035c3c | 270 | switch (orientation) { |
dreschpe | 8:65a4de035c3c | 271 | case 0: |
dreschpe | 14:ea3206e8e3bd | 272 | wr_reg(0x16, 0x08); |
dreschpe | 8:65a4de035c3c | 273 | break; |
dreschpe | 8:65a4de035c3c | 274 | case 2: |
dreschpe | 14:ea3206e8e3bd | 275 | wr_reg(0x16, 0xC8); |
dreschpe | 8:65a4de035c3c | 276 | break; |
dreschpe | 8:65a4de035c3c | 277 | case 3: |
dreschpe | 14:ea3206e8e3bd | 278 | wr_reg(0x16, 0xA8); |
dreschpe | 14:ea3206e8e3bd | 279 | break; |
dreschpe | 14:ea3206e8e3bd | 280 | case 1: |
dreschpe | 14:ea3206e8e3bd | 281 | default: |
dreschpe | 14:ea3206e8e3bd | 282 | wr_reg(0x16, 0x68); |
dreschpe | 14:ea3206e8e3bd | 283 | break; |
dreschpe | 14:ea3206e8e3bd | 284 | |
dreschpe | 8:65a4de035c3c | 285 | } |
dreschpe | 13:2c91cb947161 | 286 | #if defined USE_DMA // setup DMA channel 0 |
dreschpe | 13:2c91cb947161 | 287 | LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA. |
dreschpe | 8:65a4de035c3c | 288 | LPC_GPDMA->DMACConfig = 1; // enable DMA controller |
dreschpe | 13:2c91cb947161 | 289 | LPC_GPDMA->DMACIntTCClear = 0x1; // Reset the Interrupt status |
dreschpe | 8:65a4de035c3c | 290 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 8:65a4de035c3c | 291 | LPC_GPDMACH0->DMACCLLI = 0; |
dreschpe | 8:65a4de035c3c | 292 | #endif |
dreschpe | 8:65a4de035c3c | 293 | WindowMax (); |
dreschpe | 8:65a4de035c3c | 294 | } |
dreschpe | 8:65a4de035c3c | 295 | |
dreschpe | 13:2c91cb947161 | 296 | // Set one pixel |
dreschpe | 8:65a4de035c3c | 297 | void SPI_TFT::pixel(int x, int y, int color) |
dreschpe | 8:65a4de035c3c | 298 | { |
dreschpe | 8:65a4de035c3c | 299 | wr_reg(0x03, (x >> 0)); |
dreschpe | 8:65a4de035c3c | 300 | wr_reg(0x02, (x >> 8)); |
dreschpe | 8:65a4de035c3c | 301 | wr_reg(0x07, (y >> 0)); |
dreschpe | 8:65a4de035c3c | 302 | wr_reg(0x06, (y >> 8)); |
dreschpe | 8:65a4de035c3c | 303 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 304 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 305 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 306 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 307 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 308 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 309 | LPC_SSP0->CR0 |= 0x08UL; // set back to 16 bit |
dreschpe | 14:ea3206e8e3bd | 310 | LPC_SSP0->DR = color; // Pixel |
dreschpe | 14:ea3206e8e3bd | 311 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 312 | do { |
dreschpe | 14:ea3206e8e3bd | 313 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 314 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 315 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 316 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 317 | LPC_SSP1->CR0 |= 0x08UL; // set back to 16 bit |
dreschpe | 14:ea3206e8e3bd | 318 | LPC_SSP1->DR = color; |
dreschpe | 14:ea3206e8e3bd | 319 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 320 | do { |
dreschpe | 14:ea3206e8e3bd | 321 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 322 | } |
dreschpe | 14:ea3206e8e3bd | 323 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 324 | |
dreschpe | 14:ea3206e8e3bd | 325 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 326 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 327 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 328 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 329 | #else |
dreschpe | 14:ea3206e8e3bd | 330 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 331 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 332 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 333 | _spi.write(color); // Write D0..D15 |
dreschpe | 14:ea3206e8e3bd | 334 | #endif |
dreschpe | 14:ea3206e8e3bd | 335 | #endif |
dreschpe | 8:65a4de035c3c | 336 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 337 | } |
dreschpe | 8:65a4de035c3c | 338 | |
dreschpe | 13:2c91cb947161 | 339 | // define draw area |
dreschpe | 8:65a4de035c3c | 340 | void SPI_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) |
dreschpe | 8:65a4de035c3c | 341 | { |
dreschpe | 8:65a4de035c3c | 342 | wr_reg(0x03, x ); |
dreschpe | 8:65a4de035c3c | 343 | wr_reg(0x02, (x >> 8)); |
dreschpe | 8:65a4de035c3c | 344 | wr_reg(0x05, x+w-1 ); |
dreschpe | 8:65a4de035c3c | 345 | wr_reg(0x04, (x+w-1 >> 8)); |
dreschpe | 8:65a4de035c3c | 346 | wr_reg(0x07, y ); |
dreschpe | 8:65a4de035c3c | 347 | wr_reg(0x06, ( y >> 8)); |
dreschpe | 8:65a4de035c3c | 348 | wr_reg(0x09, ( y+h-1 )); |
dreschpe | 8:65a4de035c3c | 349 | wr_reg(0x08, ( y+h-1 >> 8)); |
dreschpe | 8:65a4de035c3c | 350 | } |
dreschpe | 8:65a4de035c3c | 351 | |
dreschpe | 13:2c91cb947161 | 352 | // set draw area to max |
dreschpe | 8:65a4de035c3c | 353 | void SPI_TFT::WindowMax (void) |
dreschpe | 8:65a4de035c3c | 354 | { |
dreschpe | 8:65a4de035c3c | 355 | window (0, 0, width(), height()); |
dreschpe | 8:65a4de035c3c | 356 | } |
dreschpe | 8:65a4de035c3c | 357 | |
dreschpe | 8:65a4de035c3c | 358 | |
dreschpe | 13:2c91cb947161 | 359 | // clear screen |
dreschpe | 8:65a4de035c3c | 360 | void SPI_TFT::cls (void) |
dreschpe | 8:65a4de035c3c | 361 | { |
dreschpe | 14:ea3206e8e3bd | 362 | fprintf(stderr, "CLS \n\r"); |
dreschpe | 8:65a4de035c3c | 363 | int pixel = ( width() * height()); |
dreschpe | 14:ea3206e8e3bd | 364 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 365 | int dma_count; |
dreschpe | 14:ea3206e8e3bd | 366 | int color = _background; |
dreschpe | 14:ea3206e8e3bd | 367 | #endif |
dreschpe | 8:65a4de035c3c | 368 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 369 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 370 | |
dreschpe | 14:ea3206e8e3bd | 371 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 372 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 373 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 374 | #endif |
dreschpe | 14:ea3206e8e3bd | 375 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 376 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 377 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 378 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 379 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 380 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 381 | #endif |
dreschpe | 14:ea3206e8e3bd | 382 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 383 | LPC_SSP0->DR = 0x72; // start byte |
dreschpe | 14:ea3206e8e3bd | 384 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 385 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 386 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 387 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 388 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 389 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 390 | #endif |
dreschpe | 14:ea3206e8e3bd | 391 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 392 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 393 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 394 | } |
dreschpe | 8:65a4de035c3c | 395 | |
dreschpe | 14:ea3206e8e3bd | 396 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 397 | // start DMA |
dreschpe | 14:ea3206e8e3bd | 398 | do { |
dreschpe | 14:ea3206e8e3bd | 399 | if (pixel > 4095) { |
dreschpe | 14:ea3206e8e3bd | 400 | dma_count = 4095; |
dreschpe | 14:ea3206e8e3bd | 401 | pixel = pixel - 4095; |
dreschpe | 14:ea3206e8e3bd | 402 | } else { |
dreschpe | 14:ea3206e8e3bd | 403 | dma_count = pixel; |
dreschpe | 14:ea3206e8e3bd | 404 | pixel = 0; |
dreschpe | 14:ea3206e8e3bd | 405 | } |
dreschpe | 14:ea3206e8e3bd | 406 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 407 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 408 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 409 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 410 | LPC_GPDMA->DMACSoftSReq = 0x1; // DMA request |
dreschpe | 14:ea3206e8e3bd | 411 | do { |
dreschpe | 14:ea3206e8e3bd | 412 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 14:ea3206e8e3bd | 413 | } while (pixel > 0); |
dreschpe | 14:ea3206e8e3bd | 414 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 415 | do { |
dreschpe | 14:ea3206e8e3bd | 416 | } while ((0x0010 & LPC_SSP0->SR) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 417 | /* disable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 418 | LPC_SSP0->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 419 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 420 | do { |
dreschpe | 14:ea3206e8e3bd | 421 | } while ((0x0010 & LPC_SSP1->SR) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 422 | /* disable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 423 | LPC_SSP1->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 424 | } |
dreschpe | 13:2c91cb947161 | 425 | |
dreschpe | 14:ea3206e8e3bd | 426 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 427 | unsigned int i; |
dreschpe | 14:ea3206e8e3bd | 428 | for (i = 0; i < ( width() * height()); i++) |
dreschpe | 14:ea3206e8e3bd | 429 | _spi.write(_background); |
dreschpe | 14:ea3206e8e3bd | 430 | #endif |
dreschpe | 14:ea3206e8e3bd | 431 | |
dreschpe | 14:ea3206e8e3bd | 432 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 433 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 434 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 435 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 436 | unsigned int i; |
dreschpe | 14:ea3206e8e3bd | 437 | for (i = 0; i < ( width() * height()); i++) { |
dreschpe | 14:ea3206e8e3bd | 438 | _spi.write(_background >> 8); |
dreschpe | 14:ea3206e8e3bd | 439 | _spi.write(_background & 0xff); |
dreschpe | 14:ea3206e8e3bd | 440 | } |
dreschpe | 14:ea3206e8e3bd | 441 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 442 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 443 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 444 | _spi.format(16,3); // switch back to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 445 | unsigned int i; |
dreschpe | 14:ea3206e8e3bd | 446 | for (i = 0; i < ( width() * height()); i++) |
dreschpe | 14:ea3206e8e3bd | 447 | _spi.write(_background); |
dreschpe | 14:ea3206e8e3bd | 448 | #endif |
dreschpe | 14:ea3206e8e3bd | 449 | #endif |
dreschpe | 8:65a4de035c3c | 450 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 451 | } |
dreschpe | 8:65a4de035c3c | 452 | |
dreschpe | 13:2c91cb947161 | 453 | // draw circle |
dreschpe | 8:65a4de035c3c | 454 | void SPI_TFT::circle(int x0, int y0, int r, int color) |
dreschpe | 8:65a4de035c3c | 455 | { |
dreschpe | 8:65a4de035c3c | 456 | |
dreschpe | 8:65a4de035c3c | 457 | int draw_x0, draw_y0; |
dreschpe | 8:65a4de035c3c | 458 | int draw_x1, draw_y1; |
dreschpe | 8:65a4de035c3c | 459 | int draw_x2, draw_y2; |
dreschpe | 8:65a4de035c3c | 460 | int draw_x3, draw_y3; |
dreschpe | 8:65a4de035c3c | 461 | int draw_x4, draw_y4; |
dreschpe | 8:65a4de035c3c | 462 | int draw_x5, draw_y5; |
dreschpe | 8:65a4de035c3c | 463 | int draw_x6, draw_y6; |
dreschpe | 8:65a4de035c3c | 464 | int draw_x7, draw_y7; |
dreschpe | 8:65a4de035c3c | 465 | int xx, yy; |
dreschpe | 8:65a4de035c3c | 466 | int di; |
dreschpe | 8:65a4de035c3c | 467 | //WindowMax(); |
dreschpe | 8:65a4de035c3c | 468 | if (r == 0) { /* no radius */ |
dreschpe | 8:65a4de035c3c | 469 | return; |
dreschpe | 8:65a4de035c3c | 470 | } |
dreschpe | 8:65a4de035c3c | 471 | |
dreschpe | 8:65a4de035c3c | 472 | draw_x0 = draw_x1 = x0; |
dreschpe | 8:65a4de035c3c | 473 | draw_y0 = draw_y1 = y0 + r; |
dreschpe | 8:65a4de035c3c | 474 | if (draw_y0 < height()) { |
dreschpe | 8:65a4de035c3c | 475 | pixel(draw_x0, draw_y0, color); /* 90 degree */ |
dreschpe | 8:65a4de035c3c | 476 | } |
dreschpe | 8:65a4de035c3c | 477 | |
dreschpe | 8:65a4de035c3c | 478 | draw_x2 = draw_x3 = x0; |
dreschpe | 8:65a4de035c3c | 479 | draw_y2 = draw_y3 = y0 - r; |
dreschpe | 8:65a4de035c3c | 480 | if (draw_y2 >= 0) { |
dreschpe | 8:65a4de035c3c | 481 | pixel(draw_x2, draw_y2, color); /* 270 degree */ |
dreschpe | 8:65a4de035c3c | 482 | } |
dreschpe | 8:65a4de035c3c | 483 | |
dreschpe | 8:65a4de035c3c | 484 | draw_x4 = draw_x6 = x0 + r; |
dreschpe | 8:65a4de035c3c | 485 | draw_y4 = draw_y6 = y0; |
dreschpe | 8:65a4de035c3c | 486 | if (draw_x4 < width()) { |
dreschpe | 8:65a4de035c3c | 487 | pixel(draw_x4, draw_y4, color); /* 0 degree */ |
dreschpe | 8:65a4de035c3c | 488 | } |
dreschpe | 8:65a4de035c3c | 489 | |
dreschpe | 8:65a4de035c3c | 490 | draw_x5 = draw_x7 = x0 - r; |
dreschpe | 8:65a4de035c3c | 491 | draw_y5 = draw_y7 = y0; |
dreschpe | 8:65a4de035c3c | 492 | if (draw_x5>=0) { |
dreschpe | 8:65a4de035c3c | 493 | pixel(draw_x5, draw_y5, color); /* 180 degree */ |
dreschpe | 8:65a4de035c3c | 494 | } |
dreschpe | 8:65a4de035c3c | 495 | |
dreschpe | 8:65a4de035c3c | 496 | if (r == 1) { |
dreschpe | 8:65a4de035c3c | 497 | return; |
dreschpe | 8:65a4de035c3c | 498 | } |
dreschpe | 8:65a4de035c3c | 499 | |
dreschpe | 8:65a4de035c3c | 500 | di = 3 - 2*r; |
dreschpe | 8:65a4de035c3c | 501 | xx = 0; |
dreschpe | 8:65a4de035c3c | 502 | yy = r; |
dreschpe | 8:65a4de035c3c | 503 | while (xx < yy) { |
dreschpe | 8:65a4de035c3c | 504 | |
dreschpe | 8:65a4de035c3c | 505 | if (di < 0) { |
dreschpe | 8:65a4de035c3c | 506 | di += 4*xx + 6; |
dreschpe | 8:65a4de035c3c | 507 | } else { |
dreschpe | 8:65a4de035c3c | 508 | di += 4*(xx - yy) + 10; |
dreschpe | 8:65a4de035c3c | 509 | yy--; |
dreschpe | 8:65a4de035c3c | 510 | draw_y0--; |
dreschpe | 8:65a4de035c3c | 511 | draw_y1--; |
dreschpe | 8:65a4de035c3c | 512 | draw_y2++; |
dreschpe | 8:65a4de035c3c | 513 | draw_y3++; |
dreschpe | 8:65a4de035c3c | 514 | draw_x4--; |
dreschpe | 8:65a4de035c3c | 515 | draw_x5++; |
dreschpe | 8:65a4de035c3c | 516 | draw_x6--; |
dreschpe | 8:65a4de035c3c | 517 | draw_x7++; |
dreschpe | 8:65a4de035c3c | 518 | } |
dreschpe | 8:65a4de035c3c | 519 | xx++; |
dreschpe | 8:65a4de035c3c | 520 | draw_x0++; |
dreschpe | 8:65a4de035c3c | 521 | draw_x1--; |
dreschpe | 8:65a4de035c3c | 522 | draw_x2++; |
dreschpe | 8:65a4de035c3c | 523 | draw_x3--; |
dreschpe | 8:65a4de035c3c | 524 | draw_y4++; |
dreschpe | 8:65a4de035c3c | 525 | draw_y5++; |
dreschpe | 8:65a4de035c3c | 526 | draw_y6--; |
dreschpe | 8:65a4de035c3c | 527 | draw_y7--; |
dreschpe | 8:65a4de035c3c | 528 | |
dreschpe | 8:65a4de035c3c | 529 | if ( (draw_x0 <= width()) && (draw_y0>=0) ) { |
dreschpe | 8:65a4de035c3c | 530 | pixel(draw_x0, draw_y0, color); |
dreschpe | 8:65a4de035c3c | 531 | } |
dreschpe | 8:65a4de035c3c | 532 | |
dreschpe | 8:65a4de035c3c | 533 | if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) { |
dreschpe | 8:65a4de035c3c | 534 | pixel(draw_x1, draw_y1, color); |
dreschpe | 8:65a4de035c3c | 535 | } |
dreschpe | 8:65a4de035c3c | 536 | |
dreschpe | 8:65a4de035c3c | 537 | if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) { |
dreschpe | 8:65a4de035c3c | 538 | pixel(draw_x2, draw_y2, color); |
dreschpe | 8:65a4de035c3c | 539 | } |
dreschpe | 8:65a4de035c3c | 540 | |
dreschpe | 8:65a4de035c3c | 541 | if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) { |
dreschpe | 8:65a4de035c3c | 542 | pixel(draw_x3, draw_y3, color); |
dreschpe | 8:65a4de035c3c | 543 | } |
dreschpe | 8:65a4de035c3c | 544 | |
dreschpe | 8:65a4de035c3c | 545 | if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) { |
dreschpe | 8:65a4de035c3c | 546 | pixel(draw_x4, draw_y4, color); |
dreschpe | 8:65a4de035c3c | 547 | } |
dreschpe | 8:65a4de035c3c | 548 | |
dreschpe | 8:65a4de035c3c | 549 | if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) { |
dreschpe | 8:65a4de035c3c | 550 | pixel(draw_x5, draw_y5, color); |
dreschpe | 8:65a4de035c3c | 551 | } |
dreschpe | 8:65a4de035c3c | 552 | if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) { |
dreschpe | 8:65a4de035c3c | 553 | pixel(draw_x6, draw_y6, color); |
dreschpe | 8:65a4de035c3c | 554 | } |
dreschpe | 8:65a4de035c3c | 555 | if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) { |
dreschpe | 8:65a4de035c3c | 556 | pixel(draw_x7, draw_y7, color); |
dreschpe | 8:65a4de035c3c | 557 | } |
dreschpe | 8:65a4de035c3c | 558 | } |
dreschpe | 8:65a4de035c3c | 559 | return; |
dreschpe | 8:65a4de035c3c | 560 | } |
dreschpe | 8:65a4de035c3c | 561 | |
dreschpe | 8:65a4de035c3c | 562 | void SPI_TFT::fillcircle(int x, int y, int r, int color) |
dreschpe | 8:65a4de035c3c | 563 | { |
dreschpe | 8:65a4de035c3c | 564 | int i; |
dreschpe | 8:65a4de035c3c | 565 | for (i = 0; i <= r; i++) |
dreschpe | 8:65a4de035c3c | 566 | circle(x,y,i,color); |
dreschpe | 8:65a4de035c3c | 567 | } |
dreschpe | 8:65a4de035c3c | 568 | |
dreschpe | 8:65a4de035c3c | 569 | |
dreschpe | 13:2c91cb947161 | 570 | // draw horizontal line |
dreschpe | 8:65a4de035c3c | 571 | void SPI_TFT::hline(int x0, int x1, int y, int color) |
dreschpe | 8:65a4de035c3c | 572 | { |
dreschpe | 11:9bb71766cafc | 573 | int w; |
dreschpe | 8:65a4de035c3c | 574 | w = x1 - x0 + 1; |
dreschpe | 8:65a4de035c3c | 575 | window(x0,y,w,1); |
dreschpe | 8:65a4de035c3c | 576 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 577 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 578 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 579 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 580 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 581 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 582 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 583 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 584 | #endif |
dreschpe | 14:ea3206e8e3bd | 585 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 586 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 587 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 588 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 589 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 590 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 591 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 592 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 593 | #endif |
dreschpe | 14:ea3206e8e3bd | 594 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 595 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 596 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 597 | } |
dreschpe | 14:ea3206e8e3bd | 598 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 599 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 600 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 601 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 602 | LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 603 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 604 | LPC_GPDMA->DMACSoftSReq = 0x1; // start DMA |
dreschpe | 14:ea3206e8e3bd | 605 | do { |
dreschpe | 14:ea3206e8e3bd | 606 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 14:ea3206e8e3bd | 607 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 608 | do { |
dreschpe | 14:ea3206e8e3bd | 609 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 610 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 611 | do { |
dreschpe | 14:ea3206e8e3bd | 612 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 613 | } |
dreschpe | 14:ea3206e8e3bd | 614 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 615 | int i; |
dreschpe | 14:ea3206e8e3bd | 616 | for (i=0; i<w; i++) { |
dreschpe | 14:ea3206e8e3bd | 617 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 618 | } |
dreschpe | 14:ea3206e8e3bd | 619 | #endif |
dreschpe | 14:ea3206e8e3bd | 620 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 621 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 622 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 623 | for (int j=0; j<w; j++) { |
dreschpe | 14:ea3206e8e3bd | 624 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 625 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 626 | } |
dreschpe | 14:ea3206e8e3bd | 627 | #else // 16 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 628 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 629 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 630 | _spi.format(16,3); // switch back to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 631 | for (int j=0; j<w; j++) { |
dreschpe | 14:ea3206e8e3bd | 632 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 633 | } |
dreschpe | 14:ea3206e8e3bd | 634 | #endif |
dreschpe | 14:ea3206e8e3bd | 635 | #endif |
dreschpe | 8:65a4de035c3c | 636 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 637 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 638 | return; |
dreschpe | 8:65a4de035c3c | 639 | } |
dreschpe | 8:65a4de035c3c | 640 | |
dreschpe | 13:2c91cb947161 | 641 | // draw vertical line |
dreschpe | 8:65a4de035c3c | 642 | void SPI_TFT::vline(int x, int y0, int y1, int color) |
dreschpe | 8:65a4de035c3c | 643 | { |
dreschpe | 8:65a4de035c3c | 644 | int h; |
dreschpe | 8:65a4de035c3c | 645 | h = y1 - y0 + 1; |
dreschpe | 8:65a4de035c3c | 646 | window(x,y0,1,h); |
dreschpe | 8:65a4de035c3c | 647 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 648 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 649 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 650 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 651 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 652 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 653 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 654 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 655 | #endif |
dreschpe | 14:ea3206e8e3bd | 656 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 657 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 658 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 659 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 660 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 661 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 662 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 663 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 664 | #endif |
dreschpe | 14:ea3206e8e3bd | 665 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 666 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 667 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 668 | } |
dreschpe | 14:ea3206e8e3bd | 669 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 670 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 671 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 672 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 673 | LPC_GPDMACH0->DMACCControl = h | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 674 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 675 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 14:ea3206e8e3bd | 676 | do { |
dreschpe | 14:ea3206e8e3bd | 677 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 678 | |
dreschpe | 14:ea3206e8e3bd | 679 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 680 | do { |
dreschpe | 14:ea3206e8e3bd | 681 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 682 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 683 | do { |
dreschpe | 14:ea3206e8e3bd | 684 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 685 | } |
dreschpe | 14:ea3206e8e3bd | 686 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 687 | for (int y=0; y<h; y++) { |
dreschpe | 14:ea3206e8e3bd | 688 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 689 | } |
dreschpe | 14:ea3206e8e3bd | 690 | #endif |
dreschpe | 14:ea3206e8e3bd | 691 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 692 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 693 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 694 | for (int y=0; y<h; y++) { |
dreschpe | 14:ea3206e8e3bd | 695 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 696 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 697 | } |
dreschpe | 14:ea3206e8e3bd | 698 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 699 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 700 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 701 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 702 | for (int y=0; y<h; y++) { |
dreschpe | 14:ea3206e8e3bd | 703 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 704 | } |
dreschpe | 14:ea3206e8e3bd | 705 | #endif |
dreschpe | 14:ea3206e8e3bd | 706 | #endif |
dreschpe | 8:65a4de035c3c | 707 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 708 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 709 | return; |
dreschpe | 8:65a4de035c3c | 710 | } |
dreschpe | 8:65a4de035c3c | 711 | |
dreschpe | 8:65a4de035c3c | 712 | |
dreschpe | 13:2c91cb947161 | 713 | // draw line |
dreschpe | 8:65a4de035c3c | 714 | void SPI_TFT::line(int x0, int y0, int x1, int y1, int color) |
dreschpe | 8:65a4de035c3c | 715 | { |
dreschpe | 8:65a4de035c3c | 716 | //WindowMax(); |
dreschpe | 8:65a4de035c3c | 717 | int dx = 0, dy = 0; |
dreschpe | 8:65a4de035c3c | 718 | int dx_sym = 0, dy_sym = 0; |
dreschpe | 8:65a4de035c3c | 719 | int dx_x2 = 0, dy_x2 = 0; |
dreschpe | 8:65a4de035c3c | 720 | int di = 0; |
dreschpe | 8:65a4de035c3c | 721 | |
dreschpe | 8:65a4de035c3c | 722 | dx = x1-x0; |
dreschpe | 8:65a4de035c3c | 723 | dy = y1-y0; |
dreschpe | 8:65a4de035c3c | 724 | |
dreschpe | 8:65a4de035c3c | 725 | if (dx == 0) { /* vertical line */ |
dreschpe | 8:65a4de035c3c | 726 | if (y1 > y0) vline(x0,y0,y1,color); |
dreschpe | 8:65a4de035c3c | 727 | else vline(x0,y1,y0,color); |
dreschpe | 8:65a4de035c3c | 728 | return; |
dreschpe | 8:65a4de035c3c | 729 | } |
dreschpe | 8:65a4de035c3c | 730 | |
dreschpe | 8:65a4de035c3c | 731 | if (dx > 0) { |
dreschpe | 8:65a4de035c3c | 732 | dx_sym = 1; |
dreschpe | 8:65a4de035c3c | 733 | } else { |
dreschpe | 8:65a4de035c3c | 734 | dx_sym = -1; |
dreschpe | 8:65a4de035c3c | 735 | } |
dreschpe | 8:65a4de035c3c | 736 | if (dy == 0) { /* horizontal line */ |
dreschpe | 8:65a4de035c3c | 737 | if (x1 > x0) hline(x0,x1,y0,color); |
dreschpe | 8:65a4de035c3c | 738 | else hline(x1,x0,y0,color); |
dreschpe | 8:65a4de035c3c | 739 | return; |
dreschpe | 8:65a4de035c3c | 740 | } |
dreschpe | 8:65a4de035c3c | 741 | |
dreschpe | 8:65a4de035c3c | 742 | if (dy > 0) { |
dreschpe | 8:65a4de035c3c | 743 | dy_sym = 1; |
dreschpe | 8:65a4de035c3c | 744 | } else { |
dreschpe | 8:65a4de035c3c | 745 | dy_sym = -1; |
dreschpe | 8:65a4de035c3c | 746 | } |
dreschpe | 8:65a4de035c3c | 747 | |
dreschpe | 8:65a4de035c3c | 748 | dx = dx_sym*dx; |
dreschpe | 8:65a4de035c3c | 749 | dy = dy_sym*dy; |
dreschpe | 8:65a4de035c3c | 750 | |
dreschpe | 8:65a4de035c3c | 751 | dx_x2 = dx*2; |
dreschpe | 8:65a4de035c3c | 752 | dy_x2 = dy*2; |
dreschpe | 8:65a4de035c3c | 753 | |
dreschpe | 8:65a4de035c3c | 754 | if (dx >= dy) { |
dreschpe | 8:65a4de035c3c | 755 | di = dy_x2 - dx; |
dreschpe | 8:65a4de035c3c | 756 | while (x0 != x1) { |
dreschpe | 8:65a4de035c3c | 757 | |
dreschpe | 8:65a4de035c3c | 758 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 759 | x0 += dx_sym; |
dreschpe | 8:65a4de035c3c | 760 | if (di<0) { |
dreschpe | 8:65a4de035c3c | 761 | di += dy_x2; |
dreschpe | 8:65a4de035c3c | 762 | } else { |
dreschpe | 8:65a4de035c3c | 763 | di += dy_x2 - dx_x2; |
dreschpe | 8:65a4de035c3c | 764 | y0 += dy_sym; |
dreschpe | 8:65a4de035c3c | 765 | } |
dreschpe | 8:65a4de035c3c | 766 | } |
dreschpe | 8:65a4de035c3c | 767 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 768 | } else { |
dreschpe | 8:65a4de035c3c | 769 | di = dx_x2 - dy; |
dreschpe | 8:65a4de035c3c | 770 | while (y0 != y1) { |
dreschpe | 8:65a4de035c3c | 771 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 772 | y0 += dy_sym; |
dreschpe | 8:65a4de035c3c | 773 | if (di < 0) { |
dreschpe | 8:65a4de035c3c | 774 | di += dx_x2; |
dreschpe | 8:65a4de035c3c | 775 | } else { |
dreschpe | 8:65a4de035c3c | 776 | di += dx_x2 - dy_x2; |
dreschpe | 8:65a4de035c3c | 777 | x0 += dx_sym; |
dreschpe | 8:65a4de035c3c | 778 | } |
dreschpe | 8:65a4de035c3c | 779 | } |
dreschpe | 8:65a4de035c3c | 780 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 781 | } |
dreschpe | 8:65a4de035c3c | 782 | return; |
dreschpe | 8:65a4de035c3c | 783 | } |
dreschpe | 8:65a4de035c3c | 784 | |
dreschpe | 13:2c91cb947161 | 785 | // draw rect |
dreschpe | 8:65a4de035c3c | 786 | void SPI_TFT::rect(int x0, int y0, int x1, int y1, int color) |
dreschpe | 8:65a4de035c3c | 787 | { |
dreschpe | 8:65a4de035c3c | 788 | |
dreschpe | 8:65a4de035c3c | 789 | if (x1 > x0) hline(x0,x1,y0,color); |
dreschpe | 8:65a4de035c3c | 790 | else hline(x1,x0,y0,color); |
dreschpe | 8:65a4de035c3c | 791 | |
dreschpe | 8:65a4de035c3c | 792 | if (y1 > y0) vline(x0,y0,y1,color); |
dreschpe | 8:65a4de035c3c | 793 | else vline(x0,y1,y0,color); |
dreschpe | 8:65a4de035c3c | 794 | |
dreschpe | 8:65a4de035c3c | 795 | if (x1 > x0) hline(x0,x1,y1,color); |
dreschpe | 8:65a4de035c3c | 796 | else hline(x1,x0,y1,color); |
dreschpe | 8:65a4de035c3c | 797 | |
dreschpe | 8:65a4de035c3c | 798 | if (y1 > y0) vline(x1,y0,y1,color); |
dreschpe | 8:65a4de035c3c | 799 | else vline(x1,y1,y0,color); |
dreschpe | 8:65a4de035c3c | 800 | |
dreschpe | 8:65a4de035c3c | 801 | return; |
dreschpe | 8:65a4de035c3c | 802 | } |
dreschpe | 8:65a4de035c3c | 803 | |
dreschpe | 8:65a4de035c3c | 804 | |
dreschpe | 13:2c91cb947161 | 805 | // fill rect |
dreschpe | 8:65a4de035c3c | 806 | void SPI_TFT::fillrect(int x0, int y0, int x1, int y1, int color) |
dreschpe | 8:65a4de035c3c | 807 | { |
dreschpe | 8:65a4de035c3c | 808 | |
dreschpe | 8:65a4de035c3c | 809 | int h = y1 - y0 + 1; |
dreschpe | 8:65a4de035c3c | 810 | int w = x1 - x0 + 1; |
dreschpe | 8:65a4de035c3c | 811 | int pixel = h * w; |
dreschpe | 14:ea3206e8e3bd | 812 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 813 | int dma_count; |
dreschpe | 14:ea3206e8e3bd | 814 | #endif |
dreschpe | 8:65a4de035c3c | 815 | window(x0,y0,w,h); |
dreschpe | 8:65a4de035c3c | 816 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 817 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 818 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 819 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 820 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 821 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 822 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 823 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 824 | #endif |
dreschpe | 14:ea3206e8e3bd | 825 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 826 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 827 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 828 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 829 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 830 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 831 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 832 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 833 | #endif |
dreschpe | 14:ea3206e8e3bd | 834 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 835 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 836 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 837 | } |
dreschpe | 14:ea3206e8e3bd | 838 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 839 | do { |
dreschpe | 14:ea3206e8e3bd | 840 | if (pixel > 4095) { |
dreschpe | 14:ea3206e8e3bd | 841 | dma_count = 4095; |
dreschpe | 14:ea3206e8e3bd | 842 | pixel = pixel - 4095; |
dreschpe | 14:ea3206e8e3bd | 843 | } else { |
dreschpe | 14:ea3206e8e3bd | 844 | dma_count = pixel; |
dreschpe | 14:ea3206e8e3bd | 845 | pixel = 0; |
dreschpe | 14:ea3206e8e3bd | 846 | } |
dreschpe | 14:ea3206e8e3bd | 847 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 848 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 849 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 850 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 851 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 852 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 14:ea3206e8e3bd | 853 | do { |
dreschpe | 14:ea3206e8e3bd | 854 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 855 | |
dreschpe | 14:ea3206e8e3bd | 856 | } while (pixel > 0); |
dreschpe | 13:2c91cb947161 | 857 | |
dreschpe | 14:ea3206e8e3bd | 858 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 859 | do { |
dreschpe | 14:ea3206e8e3bd | 860 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 861 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 862 | do { |
dreschpe | 14:ea3206e8e3bd | 863 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 864 | } |
dreschpe | 14:ea3206e8e3bd | 865 | |
dreschpe | 14:ea3206e8e3bd | 866 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 867 | for (int p=0; p<pixel; p++) { |
dreschpe | 14:ea3206e8e3bd | 868 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 869 | } |
dreschpe | 14:ea3206e8e3bd | 870 | #endif |
dreschpe | 13:2c91cb947161 | 871 | |
dreschpe | 14:ea3206e8e3bd | 872 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 873 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 874 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 875 | for (int p=0; p<pixel; p++) { |
dreschpe | 14:ea3206e8e3bd | 876 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 877 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 878 | } |
dreschpe | 13:2c91cb947161 | 879 | |
dreschpe | 14:ea3206e8e3bd | 880 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 881 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 882 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 883 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 884 | for (int p=0; p<pixel; p++) { |
dreschpe | 14:ea3206e8e3bd | 885 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 886 | } |
dreschpe | 14:ea3206e8e3bd | 887 | #endif |
dreschpe | 14:ea3206e8e3bd | 888 | #endif |
dreschpe | 8:65a4de035c3c | 889 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 890 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 891 | return; |
dreschpe | 8:65a4de035c3c | 892 | } |
dreschpe | 8:65a4de035c3c | 893 | |
dreschpe | 13:2c91cb947161 | 894 | // set cursor position |
dreschpe | 8:65a4de035c3c | 895 | void SPI_TFT::locate(int x, int y) |
dreschpe | 8:65a4de035c3c | 896 | { |
dreschpe | 8:65a4de035c3c | 897 | char_x = x; |
dreschpe | 8:65a4de035c3c | 898 | char_y = y; |
dreschpe | 8:65a4de035c3c | 899 | } |
dreschpe | 8:65a4de035c3c | 900 | |
dreschpe | 8:65a4de035c3c | 901 | |
dreschpe | 13:2c91cb947161 | 902 | // calculate num of chars in a row |
dreschpe | 8:65a4de035c3c | 903 | int SPI_TFT::columns() |
dreschpe | 8:65a4de035c3c | 904 | { |
dreschpe | 8:65a4de035c3c | 905 | return width() / font[1]; |
dreschpe | 8:65a4de035c3c | 906 | } |
dreschpe | 8:65a4de035c3c | 907 | |
dreschpe | 13:2c91cb947161 | 908 | // calculate num of rows on the screen |
dreschpe | 8:65a4de035c3c | 909 | int SPI_TFT::rows() |
dreschpe | 8:65a4de035c3c | 910 | { |
dreschpe | 8:65a4de035c3c | 911 | return height() / font[2]; |
dreschpe | 8:65a4de035c3c | 912 | } |
dreschpe | 8:65a4de035c3c | 913 | |
dreschpe | 13:2c91cb947161 | 914 | // print a char on the screen |
dreschpe | 8:65a4de035c3c | 915 | int SPI_TFT::_putc(int value) |
dreschpe | 8:65a4de035c3c | 916 | { |
dreschpe | 8:65a4de035c3c | 917 | if (value == '\n') { // new line |
dreschpe | 8:65a4de035c3c | 918 | char_x = 0; |
dreschpe | 8:65a4de035c3c | 919 | char_y = char_y + font[2]; |
dreschpe | 8:65a4de035c3c | 920 | if (char_y >= height() - font[2]) { |
dreschpe | 8:65a4de035c3c | 921 | char_y = 0; |
dreschpe | 8:65a4de035c3c | 922 | } |
dreschpe | 8:65a4de035c3c | 923 | } else { |
dreschpe | 8:65a4de035c3c | 924 | character(char_x, char_y, value); |
dreschpe | 8:65a4de035c3c | 925 | } |
dreschpe | 8:65a4de035c3c | 926 | return value; |
dreschpe | 8:65a4de035c3c | 927 | } |
dreschpe | 8:65a4de035c3c | 928 | |
dreschpe | 13:2c91cb947161 | 929 | // consrtuct the char out of the font |
dreschpe | 8:65a4de035c3c | 930 | void SPI_TFT::character(int x, int y, int c) |
dreschpe | 8:65a4de035c3c | 931 | { |
dreschpe | 9:a63fd1ad41b0 | 932 | unsigned int hor,vert,offset,bpl,j,i,b; |
dreschpe | 8:65a4de035c3c | 933 | unsigned char* zeichen; |
dreschpe | 8:65a4de035c3c | 934 | unsigned char z,w; |
dreschpe | 14:ea3206e8e3bd | 935 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 936 | unsigned int pixel; |
dreschpe | 14:ea3206e8e3bd | 937 | unsigned int p; |
dreschpe | 14:ea3206e8e3bd | 938 | unsigned int dma_count,dma_off; |
dreschpe | 14:ea3206e8e3bd | 939 | uint16_t *buffer; |
dreschpe | 14:ea3206e8e3bd | 940 | #endif |
dreschpe | 8:65a4de035c3c | 941 | |
dreschpe | 8:65a4de035c3c | 942 | if ((c < 31) || (c > 127)) return; // test char range |
dreschpe | 8:65a4de035c3c | 943 | |
dreschpe | 8:65a4de035c3c | 944 | // read font parameter from start of array |
dreschpe | 8:65a4de035c3c | 945 | offset = font[0]; // bytes / char |
dreschpe | 8:65a4de035c3c | 946 | hor = font[1]; // get hor size of font |
dreschpe | 8:65a4de035c3c | 947 | vert = font[2]; // get vert size of font |
dreschpe | 8:65a4de035c3c | 948 | bpl = font[3]; // bytes per line |
dreschpe | 8:65a4de035c3c | 949 | |
dreschpe | 8:65a4de035c3c | 950 | if (char_x + hor > width()) { |
dreschpe | 8:65a4de035c3c | 951 | char_x = 0; |
dreschpe | 8:65a4de035c3c | 952 | char_y = char_y + vert; |
dreschpe | 8:65a4de035c3c | 953 | if (char_y >= height() - font[2]) { |
dreschpe | 8:65a4de035c3c | 954 | char_y = 0; |
dreschpe | 8:65a4de035c3c | 955 | } |
dreschpe | 8:65a4de035c3c | 956 | } |
dreschpe | 8:65a4de035c3c | 957 | window(char_x, char_y,hor,vert); // char box |
dreschpe | 8:65a4de035c3c | 958 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 959 | |
dreschpe | 14:ea3206e8e3bd | 960 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 961 | pixel = hor * vert; // calculate buffer size |
dreschpe | 8:65a4de035c3c | 962 | |
dreschpe | 14:ea3206e8e3bd | 963 | buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the 16 bit |
dreschpe | 14:ea3206e8e3bd | 964 | if (buffer == NULL) { |
dreschpe | 14:ea3206e8e3bd | 965 | //led = 1; |
dreschpe | 14:ea3206e8e3bd | 966 | //pc.printf("Malloc error !\n\r"); |
dreschpe | 14:ea3206e8e3bd | 967 | return; // error no memory |
dreschpe | 8:65a4de035c3c | 968 | } |
dreschpe | 8:65a4de035c3c | 969 | |
dreschpe | 14:ea3206e8e3bd | 970 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
dreschpe | 14:ea3206e8e3bd | 971 | w = zeichen[0]; // width of actual char |
dreschpe | 14:ea3206e8e3bd | 972 | p = 0; |
dreschpe | 14:ea3206e8e3bd | 973 | // construct the char into the buffer |
dreschpe | 14:ea3206e8e3bd | 974 | for (j=0; j<vert; j++) { // vert line |
dreschpe | 14:ea3206e8e3bd | 975 | for (i=0; i<hor; i++) { // horz line |
dreschpe | 14:ea3206e8e3bd | 976 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
dreschpe | 14:ea3206e8e3bd | 977 | b = 1 << (j & 0x07); |
dreschpe | 14:ea3206e8e3bd | 978 | if (( z & b ) == 0x00) { |
dreschpe | 14:ea3206e8e3bd | 979 | buffer[p] = _background; |
dreschpe | 14:ea3206e8e3bd | 980 | } else { |
dreschpe | 14:ea3206e8e3bd | 981 | buffer[p] = _foreground; |
dreschpe | 14:ea3206e8e3bd | 982 | } |
dreschpe | 14:ea3206e8e3bd | 983 | p++; |
dreschpe | 8:65a4de035c3c | 984 | } |
dreschpe | 8:65a4de035c3c | 985 | } |
dreschpe | 14:ea3206e8e3bd | 986 | |
dreschpe | 14:ea3206e8e3bd | 987 | // copy the buffer with DMA SPI to display |
dreschpe | 14:ea3206e8e3bd | 988 | dma_off = 0; // offset for DMA transfer |
dreschpe | 14:ea3206e8e3bd | 989 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 990 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 991 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 992 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 993 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 994 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 995 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 996 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 997 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 998 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 999 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 1000 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 1001 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 1002 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 1003 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 1004 | } |
dreschpe | 14:ea3206e8e3bd | 1005 | |
dreschpe | 14:ea3206e8e3bd | 1006 | // start DMA |
dreschpe | 14:ea3206e8e3bd | 1007 | do { |
dreschpe | 14:ea3206e8e3bd | 1008 | if (pixel > 4095) { // this is a giant font ! |
dreschpe | 14:ea3206e8e3bd | 1009 | dma_count = 4095; |
dreschpe | 14:ea3206e8e3bd | 1010 | pixel = pixel - 4095; |
dreschpe | 14:ea3206e8e3bd | 1011 | } else { |
dreschpe | 14:ea3206e8e3bd | 1012 | dma_count = pixel; |
dreschpe | 14:ea3206e8e3bd | 1013 | pixel = 0; |
dreschpe | 14:ea3206e8e3bd | 1014 | } |
dreschpe | 14:ea3206e8e3bd | 1015 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 1016 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 1017 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off); |
dreschpe | 14:ea3206e8e3bd | 1018 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 1019 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 1020 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 14:ea3206e8e3bd | 1021 | do { |
dreschpe | 14:ea3206e8e3bd | 1022 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 14:ea3206e8e3bd | 1023 | dma_off = dma_off + dma_count; |
dreschpe | 14:ea3206e8e3bd | 1024 | } while (pixel > 0); |
dreschpe | 14:ea3206e8e3bd | 1025 | |
dreschpe | 14:ea3206e8e3bd | 1026 | free ((uint16_t *) buffer); |
dreschpe | 14:ea3206e8e3bd | 1027 | |
dreschpe | 14:ea3206e8e3bd | 1028 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 1029 | do { |
dreschpe | 14:ea3206e8e3bd | 1030 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 1031 | /* disable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 1032 | LPC_SSP0->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 1033 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 1034 | do { |
dreschpe | 14:ea3206e8e3bd | 1035 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 1036 | /* disable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 1037 | LPC_SSP1->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 1038 | } |
dreschpe | 14:ea3206e8e3bd | 1039 | |
dreschpe | 14:ea3206e8e3bd | 1040 | #else // no dma |
dreschpe | 14:ea3206e8e3bd | 1041 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 1042 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 1043 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 1044 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 1045 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 1046 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 1047 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 1048 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 1049 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 1050 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 1051 | } |
dreschpe | 14:ea3206e8e3bd | 1052 | #else // mbed lib |
dreschpe | 14:ea3206e8e3bd | 1053 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 1054 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 1055 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 1056 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 1057 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 1058 | _spi.format(16,3); // switch back to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 1059 | #endif |
dreschpe | 14:ea3206e8e3bd | 1060 | #endif |
dreschpe | 14:ea3206e8e3bd | 1061 | |
dreschpe | 14:ea3206e8e3bd | 1062 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
dreschpe | 14:ea3206e8e3bd | 1063 | w = zeichen[0]; // width of actual char |
dreschpe | 14:ea3206e8e3bd | 1064 | for (j=0; j<vert; j++) { // vert line |
dreschpe | 14:ea3206e8e3bd | 1065 | for (i=0; i<hor; i++) { // horz line |
dreschpe | 14:ea3206e8e3bd | 1066 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
dreschpe | 14:ea3206e8e3bd | 1067 | b = 1 << (j & 0x07); |
dreschpe | 14:ea3206e8e3bd | 1068 | if (( z & b ) == 0x00) { |
dreschpe | 14:ea3206e8e3bd | 1069 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 1070 | _spi.write(_background >> 8); |
dreschpe | 14:ea3206e8e3bd | 1071 | _spi.write(_background & 0xff); |
dreschpe | 14:ea3206e8e3bd | 1072 | #else |
dreschpe | 14:ea3206e8e3bd | 1073 | _spi.write(_background); |
dreschpe | 14:ea3206e8e3bd | 1074 | #endif |
dreschpe | 14:ea3206e8e3bd | 1075 | } else { |
dreschpe | 14:ea3206e8e3bd | 1076 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 1077 | _spi.write(_foreground >> 8); |
dreschpe | 14:ea3206e8e3bd | 1078 | _spi.write(_foreground & 0xff); |
dreschpe | 14:ea3206e8e3bd | 1079 | #else |
dreschpe | 14:ea3206e8e3bd | 1080 | _spi.write(_foreground); |
dreschpe | 14:ea3206e8e3bd | 1081 | #endif |
dreschpe | 14:ea3206e8e3bd | 1082 | } |
dreschpe | 14:ea3206e8e3bd | 1083 | } |
dreschpe | 14:ea3206e8e3bd | 1084 | } |
dreschpe | 14:ea3206e8e3bd | 1085 | #endif // no DMA |
dreschpe | 8:65a4de035c3c | 1086 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 1087 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 1088 | if ((w + 2) < hor) { // x offset to next char |
dreschpe | 8:65a4de035c3c | 1089 | char_x += w + 2; |
dreschpe | 8:65a4de035c3c | 1090 | } else char_x += hor; |
dreschpe | 8:65a4de035c3c | 1091 | } |
dreschpe | 8:65a4de035c3c | 1092 | |
dreschpe | 8:65a4de035c3c | 1093 | |
dreschpe | 8:65a4de035c3c | 1094 | void SPI_TFT::set_font(unsigned char* f) |
dreschpe | 8:65a4de035c3c | 1095 | { |
dreschpe | 8:65a4de035c3c | 1096 | font = f; |
dreschpe | 8:65a4de035c3c | 1097 | } |
dreschpe | 8:65a4de035c3c | 1098 | |
dreschpe | 8:65a4de035c3c | 1099 | |
dreschpe | 8:65a4de035c3c | 1100 | void SPI_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) |
dreschpe | 8:65a4de035c3c | 1101 | { |
dreschpe | 8:65a4de035c3c | 1102 | unsigned int j; |
dreschpe | 8:65a4de035c3c | 1103 | int padd; |
dreschpe | 16:2efcbb2814fa | 1104 | |
dreschpe | 16:2efcbb2814fa | 1105 | unsigned short *bitmap_ptr = (unsigned short *)bitmap; |
dreschpe | 14:ea3206e8e3bd | 1106 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 16:2efcbb2814fa | 1107 | unsigned short pix_temp; |
dreschpe | 14:ea3206e8e3bd | 1108 | #endif |
dreschpe | 16:2efcbb2814fa | 1109 | |
dreschpe | 8:65a4de035c3c | 1110 | // the lines are padded to multiple of 4 bytes in a bitmap |
dreschpe | 8:65a4de035c3c | 1111 | padd = -1; |
dreschpe | 8:65a4de035c3c | 1112 | do { |
dreschpe | 8:65a4de035c3c | 1113 | padd ++; |
dreschpe | 8:65a4de035c3c | 1114 | } while (2*(w + padd)%4 != 0); |
dreschpe | 8:65a4de035c3c | 1115 | window(x, y, w, h); |
dreschpe | 8:65a4de035c3c | 1116 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 1117 | _cs = 0; |
dreschpe | 13:2c91cb947161 | 1118 | #if defined NO_MBED_LIB |
dreschpe | 8:65a4de035c3c | 1119 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 16:2efcbb2814fa | 1120 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1121 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 8:65a4de035c3c | 1122 | /* Enable SSP0 for DMA. */ |
dreschpe | 8:65a4de035c3c | 1123 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 16:2efcbb2814fa | 1124 | #endif |
dreschpe | 16:2efcbb2814fa | 1125 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 16:2efcbb2814fa | 1126 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 16:2efcbb2814fa | 1127 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1128 | |
dreschpe | 8:65a4de035c3c | 1129 | } else { |
dreschpe | 16:2efcbb2814fa | 1130 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1131 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 8:65a4de035c3c | 1132 | /* Enable SSP1 for DMA. */ |
dreschpe | 13:2c91cb947161 | 1133 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 16:2efcbb2814fa | 1134 | #endif |
dreschpe | 16:2efcbb2814fa | 1135 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 16:2efcbb2814fa | 1136 | LPC_SSP1->DR = 0x72; // start Data command |
dreschpe | 16:2efcbb2814fa | 1137 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1138 | } |
dreschpe | 8:65a4de035c3c | 1139 | |
dreschpe | 8:65a4de035c3c | 1140 | bitmap_ptr += ((h - 1)* (w + padd)); |
dreschpe | 16:2efcbb2814fa | 1141 | #if defined USE_DMA |
dreschpe | 16:2efcbb2814fa | 1142 | for (j = 0; j < h; j++) { //Lines |
dreschpe | 16:2efcbb2814fa | 1143 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 16:2efcbb2814fa | 1144 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 16:2efcbb2814fa | 1145 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)bitmap_ptr; |
dreschpe | 16:2efcbb2814fa | 1146 | LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
dreschpe | 16:2efcbb2814fa | 1147 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 16:2efcbb2814fa | 1148 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 16:2efcbb2814fa | 1149 | do { |
dreschpe | 16:2efcbb2814fa | 1150 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 1151 | |
dreschpe | 16:2efcbb2814fa | 1152 | bitmap_ptr -= w; |
dreschpe | 16:2efcbb2814fa | 1153 | bitmap_ptr -= padd; |
dreschpe | 8:65a4de035c3c | 1154 | } |
dreschpe | 16:2efcbb2814fa | 1155 | #else |
dreschpe | 16:2efcbb2814fa | 1156 | unsigned int i; |
dreschpe | 16:2efcbb2814fa | 1157 | for (j = 0; j < h; j++) { //Lines |
dreschpe | 16:2efcbb2814fa | 1158 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
dreschpe | 16:2efcbb2814fa | 1159 | _spi.write(*bitmap_ptr); // one line |
dreschpe | 16:2efcbb2814fa | 1160 | bitmap_ptr++; |
dreschpe | 16:2efcbb2814fa | 1161 | } |
dreschpe | 16:2efcbb2814fa | 1162 | bitmap_ptr -= 2*w; |
dreschpe | 16:2efcbb2814fa | 1163 | bitmap_ptr -= padd; |
dreschpe | 16:2efcbb2814fa | 1164 | } |
dreschpe | 16:2efcbb2814fa | 1165 | #endif |
dreschpe | 8:65a4de035c3c | 1166 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 8:65a4de035c3c | 1167 | do { |
dreschpe | 8:65a4de035c3c | 1168 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1169 | } else { |
dreschpe | 8:65a4de035c3c | 1170 | do { |
dreschpe | 8:65a4de035c3c | 1171 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1172 | } |
dreschpe | 9:a63fd1ad41b0 | 1173 | #else // use mbed lib |
dreschpe | 16:2efcbb2814fa | 1174 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 16:2efcbb2814fa | 1175 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 16:2efcbb2814fa | 1176 | #else |
dreschpe | 16:2efcbb2814fa | 1177 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 16:2efcbb2814fa | 1178 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 16:2efcbb2814fa | 1179 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 16:2efcbb2814fa | 1180 | #endif |
dreschpe | 16:2efcbb2814fa | 1181 | bitmap_ptr += ((h - 1)* (w + padd)); |
dreschpe | 9:a63fd1ad41b0 | 1182 | unsigned int i; |
dreschpe | 9:a63fd1ad41b0 | 1183 | for (j = 0; j < h; j++) { //Lines |
dreschpe | 9:a63fd1ad41b0 | 1184 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
dreschpe | 16:2efcbb2814fa | 1185 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 16:2efcbb2814fa | 1186 | pix_temp = *bitmap_ptr; |
dreschpe | 16:2efcbb2814fa | 1187 | _spi.write(pix_temp >> 8); |
dreschpe | 16:2efcbb2814fa | 1188 | _spi.write(pix_temp); |
dreschpe | 16:2efcbb2814fa | 1189 | bitmap_ptr++; |
dreschpe | 16:2efcbb2814fa | 1190 | #else |
dreschpe | 16:2efcbb2814fa | 1191 | _spi.write(*bitmap_ptr); // one line |
dreschpe | 16:2efcbb2814fa | 1192 | bitmap_ptr++; |
dreschpe | 16:2efcbb2814fa | 1193 | #endif |
dreschpe | 9:a63fd1ad41b0 | 1194 | } |
dreschpe | 9:a63fd1ad41b0 | 1195 | bitmap_ptr -= 2*w; |
dreschpe | 9:a63fd1ad41b0 | 1196 | bitmap_ptr -= padd; |
dreschpe | 16:2efcbb2814fa | 1197 | } |
dreschpe | 16:2efcbb2814fa | 1198 | #endif // USE MBED LIB |
dreschpe | 8:65a4de035c3c | 1199 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 1200 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 1201 | } |
dreschpe | 8:65a4de035c3c | 1202 | |
dreschpe | 8:65a4de035c3c | 1203 | |
dreschpe | 13:2c91cb947161 | 1204 | // local filesystem is not implemented in kinetis board |
dreschpe | 13:2c91cb947161 | 1205 | #if defined TARGET_LPC1768 || defined TARGET_LPC11U24 |
dreschpe | 13:2c91cb947161 | 1206 | |
dreschpe | 13:2c91cb947161 | 1207 | |
dreschpe | 8:65a4de035c3c | 1208 | int SPI_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) |
dreschpe | 8:65a4de035c3c | 1209 | { |
dreschpe | 8:65a4de035c3c | 1210 | |
dreschpe | 8:65a4de035c3c | 1211 | #define OffsetPixelWidth 18 |
dreschpe | 8:65a4de035c3c | 1212 | #define OffsetPixelHeigh 22 |
dreschpe | 8:65a4de035c3c | 1213 | #define OffsetFileSize 34 |
dreschpe | 8:65a4de035c3c | 1214 | #define OffsetPixData 10 |
dreschpe | 8:65a4de035c3c | 1215 | #define OffsetBPP 28 |
dreschpe | 8:65a4de035c3c | 1216 | |
dreschpe | 8:65a4de035c3c | 1217 | char filename[50]; |
dreschpe | 8:65a4de035c3c | 1218 | unsigned char BMP_Header[54]; |
dreschpe | 8:65a4de035c3c | 1219 | unsigned short BPP_t; |
dreschpe | 8:65a4de035c3c | 1220 | unsigned int PixelWidth,PixelHeigh,start_data; |
dreschpe | 8:65a4de035c3c | 1221 | unsigned int i,off; |
dreschpe | 8:65a4de035c3c | 1222 | int padd,j; |
dreschpe | 8:65a4de035c3c | 1223 | unsigned short *line; |
dreschpe | 8:65a4de035c3c | 1224 | |
dreschpe | 8:65a4de035c3c | 1225 | // get the filename |
dreschpe | 8:65a4de035c3c | 1226 | LocalFileSystem local("local"); |
dreschpe | 8:65a4de035c3c | 1227 | sprintf(&filename[0],"/local/"); |
dreschpe | 8:65a4de035c3c | 1228 | i=7; |
dreschpe | 8:65a4de035c3c | 1229 | while (*Name_BMP!='\0') { |
dreschpe | 8:65a4de035c3c | 1230 | filename[i++]=*Name_BMP++; |
dreschpe | 8:65a4de035c3c | 1231 | } |
dreschpe | 8:65a4de035c3c | 1232 | |
dreschpe | 8:65a4de035c3c | 1233 | fprintf(stderr, "filename : %s \n\r",filename); |
dreschpe | 8:65a4de035c3c | 1234 | |
dreschpe | 8:65a4de035c3c | 1235 | FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file |
dreschpe | 8:65a4de035c3c | 1236 | if (!Image) { |
dreschpe | 8:65a4de035c3c | 1237 | return(0); // error file not found ! |
dreschpe | 8:65a4de035c3c | 1238 | } |
dreschpe | 8:65a4de035c3c | 1239 | |
dreschpe | 8:65a4de035c3c | 1240 | fread(&BMP_Header[0],1,54,Image); // get the BMP Header |
dreschpe | 8:65a4de035c3c | 1241 | |
dreschpe | 8:65a4de035c3c | 1242 | if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte |
dreschpe | 8:65a4de035c3c | 1243 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1244 | return(-1); // error no BMP file |
dreschpe | 8:65a4de035c3c | 1245 | } |
dreschpe | 8:65a4de035c3c | 1246 | |
dreschpe | 8:65a4de035c3c | 1247 | BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8); |
dreschpe | 8:65a4de035c3c | 1248 | if (BPP_t != 0x0010) { |
dreschpe | 8:65a4de035c3c | 1249 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1250 | return(-2); // error no 16 bit BMP |
dreschpe | 8:65a4de035c3c | 1251 | } |
dreschpe | 8:65a4de035c3c | 1252 | |
dreschpe | 8:65a4de035c3c | 1253 | PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24); |
dreschpe | 8:65a4de035c3c | 1254 | PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24); |
dreschpe | 8:65a4de035c3c | 1255 | if (PixelHeigh > height() + y || PixelWidth > width() + x) { |
dreschpe | 8:65a4de035c3c | 1256 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1257 | return(-3); // to big |
dreschpe | 8:65a4de035c3c | 1258 | } |
dreschpe | 8:65a4de035c3c | 1259 | |
dreschpe | 8:65a4de035c3c | 1260 | start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24); |
dreschpe | 8:65a4de035c3c | 1261 | |
dreschpe | 8:65a4de035c3c | 1262 | line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line |
dreschpe | 8:65a4de035c3c | 1263 | if (line == NULL) { |
dreschpe | 8:65a4de035c3c | 1264 | return(-4); // error no memory |
dreschpe | 8:65a4de035c3c | 1265 | } |
dreschpe | 8:65a4de035c3c | 1266 | |
dreschpe | 8:65a4de035c3c | 1267 | // the bmp lines are padded to multiple of 4 bytes |
dreschpe | 8:65a4de035c3c | 1268 | padd = -1; |
dreschpe | 8:65a4de035c3c | 1269 | do { |
dreschpe | 8:65a4de035c3c | 1270 | padd ++; |
dreschpe | 8:65a4de035c3c | 1271 | } while ((PixelWidth * 2 + padd)%4 != 0); |
dreschpe | 8:65a4de035c3c | 1272 | |
dreschpe | 8:65a4de035c3c | 1273 | |
dreschpe | 8:65a4de035c3c | 1274 | //fseek(Image, 70 ,SEEK_SET); |
dreschpe | 8:65a4de035c3c | 1275 | window(x, y,PixelWidth ,PixelHeigh); |
dreschpe | 8:65a4de035c3c | 1276 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 1277 | _cs = 0; |
dreschpe | 13:2c91cb947161 | 1278 | #if defined NO_MBED_LIB |
dreschpe | 8:65a4de035c3c | 1279 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 8:65a4de035c3c | 1280 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1281 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 8:65a4de035c3c | 1282 | /* Enable SSP0 for DMA. */ |
dreschpe | 8:65a4de035c3c | 1283 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 8:65a4de035c3c | 1284 | #endif |
dreschpe | 8:65a4de035c3c | 1285 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 8:65a4de035c3c | 1286 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 8:65a4de035c3c | 1287 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1288 | |
dreschpe | 8:65a4de035c3c | 1289 | } else { |
dreschpe | 13:2c91cb947161 | 1290 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1291 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 8:65a4de035c3c | 1292 | /* Enable SSP1 for DMA. */ |
dreschpe | 8:65a4de035c3c | 1293 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 8:65a4de035c3c | 1294 | #endif |
dreschpe | 8:65a4de035c3c | 1295 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 8:65a4de035c3c | 1296 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 13:2c91cb947161 | 1297 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1298 | } |
dreschpe | 8:65a4de035c3c | 1299 | for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up |
dreschpe | 8:65a4de035c3c | 1300 | off = j * (PixelWidth * 2 + padd) + start_data; // start of line |
dreschpe | 8:65a4de035c3c | 1301 | fseek(Image, off ,SEEK_SET); |
dreschpe | 8:65a4de035c3c | 1302 | fread(line,1,PixelWidth * 2,Image); // read a line - slow ! |
dreschpe | 8:65a4de035c3c | 1303 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1304 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 8:65a4de035c3c | 1305 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 8:65a4de035c3c | 1306 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)line; |
dreschpe | 8:65a4de035c3c | 1307 | LPC_GPDMACH0->DMACCControl = PixelWidth | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
dreschpe | 8:65a4de035c3c | 1308 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 8:65a4de035c3c | 1309 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 8:65a4de035c3c | 1310 | do { |
dreschpe | 8:65a4de035c3c | 1311 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 1312 | #else |
dreschpe | 13:2c91cb947161 | 1313 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
dreschpe | 8:65a4de035c3c | 1314 | _spi.write(line[i]); // one 16 bit pixel |
dreschpe | 13:2c91cb947161 | 1315 | } |
dreschpe | 13:2c91cb947161 | 1316 | #endif |
dreschpe | 8:65a4de035c3c | 1317 | } |
dreschpe | 8:65a4de035c3c | 1318 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 8:65a4de035c3c | 1319 | do { |
dreschpe | 8:65a4de035c3c | 1320 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1321 | } else { |
dreschpe | 8:65a4de035c3c | 1322 | do { |
dreschpe | 8:65a4de035c3c | 1323 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1324 | } |
dreschpe | 13:2c91cb947161 | 1325 | |
dreschpe | 9:a63fd1ad41b0 | 1326 | #else // use mbed lib |
dreschpe | 9:a63fd1ad41b0 | 1327 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 9:a63fd1ad41b0 | 1328 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 9:a63fd1ad41b0 | 1329 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 9:a63fd1ad41b0 | 1330 | for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up |
dreschpe | 9:a63fd1ad41b0 | 1331 | off = j * (PixelWidth * 2 + padd) + start_data; // start of line |
dreschpe | 9:a63fd1ad41b0 | 1332 | fseek(Image, off ,SEEK_SET); |
dreschpe | 9:a63fd1ad41b0 | 1333 | fread(line,1,PixelWidth * 2,Image); // read a line - slow ! |
dreschpe | 9:a63fd1ad41b0 | 1334 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
dreschpe | 9:a63fd1ad41b0 | 1335 | _spi.write(line[i]); // one 16 bit pixel |
dreschpe | 13:2c91cb947161 | 1336 | } |
dreschpe | 13:2c91cb947161 | 1337 | } |
dreschpe | 13:2c91cb947161 | 1338 | #endif |
dreschpe | 8:65a4de035c3c | 1339 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 1340 | free (line); |
dreschpe | 8:65a4de035c3c | 1341 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1342 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 1343 | return(1); |
dreschpe | 13:2c91cb947161 | 1344 | } |
dreschpe | 13:2c91cb947161 | 1345 | |
dreschpe | 13:2c91cb947161 | 1346 | #endif |