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
Dependents: TFT_Test1 SourceCodePro31-SB Mandelbrot Mindwave-screen ... more
See http://mbed.org/cookbook/SPI-driven-QVGA-TFT for details.
SPI_TFT.cpp@18:52cbeede86f0, 2013-10-22 (annotated)
- Committer:
- dreschpe
- Date:
- Tue Oct 22 20:17:29 2013 +0000
- Revision:
- 18:52cbeede86f0
- Parent:
- 16:2efcbb2814fa
The last change was made on the wrong code. Fix back the kinetis support .
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 | 18:52cbeede86f0 | 27 | // 18.10.13 Better Circle function from Michael Ammann |
dreschpe | 8:65a4de035c3c | 28 | |
dreschpe | 8:65a4de035c3c | 29 | #include "SPI_TFT.h" |
dreschpe | 8:65a4de035c3c | 30 | #include "mbed.h" |
dreschpe | 8:65a4de035c3c | 31 | |
dreschpe | 8:65a4de035c3c | 32 | #define BPP 16 // Bits per pixel |
dreschpe | 13:2c91cb947161 | 33 | |
dreschpe | 13:2c91cb947161 | 34 | #if defined TARGET_LPC1768 |
dreschpe | 14:ea3206e8e3bd | 35 | #define USE_DMA // we use dma to speed up |
dreschpe | 14:ea3206e8e3bd | 36 | #define NO_MBED_LIB // we write direct to the SPI register to speed up |
dreschpe | 8:65a4de035c3c | 37 | #endif |
dreschpe | 8:65a4de035c3c | 38 | |
dreschpe | 13:2c91cb947161 | 39 | #if defined NO_DMA // if LPC1768 user want no DMA |
dreschpe | 8:65a4de035c3c | 40 | #undef USE_DMA |
dreschpe | 8:65a4de035c3c | 41 | #endif |
dreschpe | 13:2c91cb947161 | 42 | |
dreschpe | 8:65a4de035c3c | 43 | |
dreschpe | 8:65a4de035c3c | 44 | //extern Serial pc; |
dreschpe | 8:65a4de035c3c | 45 | //extern DigitalOut xx; // debug !! |
dreschpe | 8:65a4de035c3c | 46 | |
dreschpe | 8:65a4de035c3c | 47 | SPI_TFT::SPI_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, const char *name) |
dreschpe | 8:65a4de035c3c | 48 | : _spi(mosi, miso, sclk), _cs(cs), _reset(reset),GraphicsDisplay(name) |
dreschpe | 8:65a4de035c3c | 49 | { |
dreschpe | 8:65a4de035c3c | 50 | orientation = 0; |
dreschpe | 8:65a4de035c3c | 51 | char_x = 0; |
dreschpe | 14:ea3206e8e3bd | 52 | #if defined TARGET_LPC1768 |
dreschpe | 14:ea3206e8e3bd | 53 | if (mosi == p11 || mosi == P0_18){ |
dreschpe | 14:ea3206e8e3bd | 54 | spi_port = 0; // we must know the used SPI port to setup the DMA |
dreschpe | 14:ea3206e8e3bd | 55 | } |
dreschpe | 14:ea3206e8e3bd | 56 | else { |
dreschpe | 14:ea3206e8e3bd | 57 | spi_port = 1; |
dreschpe | 14:ea3206e8e3bd | 58 | } |
dreschpe | 14:ea3206e8e3bd | 59 | #endif |
dreschpe | 8:65a4de035c3c | 60 | tft_reset(); |
dreschpe | 8:65a4de035c3c | 61 | } |
dreschpe | 8:65a4de035c3c | 62 | |
dreschpe | 8:65a4de035c3c | 63 | int SPI_TFT::width() |
dreschpe | 8:65a4de035c3c | 64 | { |
dreschpe | 8:65a4de035c3c | 65 | if (orientation == 0 || orientation == 2) return 240; |
dreschpe | 8:65a4de035c3c | 66 | else return 320; |
dreschpe | 8:65a4de035c3c | 67 | } |
dreschpe | 8:65a4de035c3c | 68 | |
dreschpe | 8:65a4de035c3c | 69 | |
dreschpe | 8:65a4de035c3c | 70 | int SPI_TFT::height() |
dreschpe | 8:65a4de035c3c | 71 | { |
dreschpe | 8:65a4de035c3c | 72 | if (orientation == 0 || orientation == 2) return 320; |
dreschpe | 8:65a4de035c3c | 73 | else return 240; |
dreschpe | 8:65a4de035c3c | 74 | } |
dreschpe | 8:65a4de035c3c | 75 | |
dreschpe | 8:65a4de035c3c | 76 | |
dreschpe | 8:65a4de035c3c | 77 | void SPI_TFT::set_orientation(unsigned int o) |
dreschpe | 8:65a4de035c3c | 78 | { |
dreschpe | 8:65a4de035c3c | 79 | orientation = o; |
dreschpe | 8:65a4de035c3c | 80 | switch (orientation) { |
dreschpe | 8:65a4de035c3c | 81 | case 0: |
dreschpe | 8:65a4de035c3c | 82 | wr_reg(0x16, 0x08); |
dreschpe | 8:65a4de035c3c | 83 | break; |
dreschpe | 8:65a4de035c3c | 84 | case 1: |
dreschpe | 8:65a4de035c3c | 85 | wr_reg(0x16, 0x68); |
dreschpe | 8:65a4de035c3c | 86 | break; |
dreschpe | 8:65a4de035c3c | 87 | case 2: |
dreschpe | 8:65a4de035c3c | 88 | wr_reg(0x16, 0xC8); |
dreschpe | 8:65a4de035c3c | 89 | break; |
dreschpe | 8:65a4de035c3c | 90 | case 3: |
dreschpe | 8:65a4de035c3c | 91 | wr_reg(0x16, 0xA8); |
dreschpe | 8:65a4de035c3c | 92 | break; |
dreschpe | 8:65a4de035c3c | 93 | } |
dreschpe | 8:65a4de035c3c | 94 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 95 | } |
dreschpe | 8:65a4de035c3c | 96 | |
dreschpe | 8:65a4de035c3c | 97 | |
dreschpe | 8:65a4de035c3c | 98 | // write command to tft register |
dreschpe | 8:65a4de035c3c | 99 | |
dreschpe | 8:65a4de035c3c | 100 | void SPI_TFT::wr_cmd(unsigned char cmd) |
dreschpe | 8:65a4de035c3c | 101 | { |
dreschpe | 8:65a4de035c3c | 102 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 103 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 104 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 105 | spi_d = 0x7000 | cmd ; |
dreschpe | 14:ea3206e8e3bd | 106 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 107 | LPC_SSP0->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 108 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 109 | do { |
dreschpe | 14:ea3206e8e3bd | 110 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 111 | } else { |
dreschpe | 14:ea3206e8e3bd | 112 | LPC_SSP1->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 113 | do { |
dreschpe | 14:ea3206e8e3bd | 114 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 115 | } |
dreschpe | 14:ea3206e8e3bd | 116 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 117 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 118 | _spi.write(0x70); |
dreschpe | 14:ea3206e8e3bd | 119 | _spi.write(cmd); |
dreschpe | 14:ea3206e8e3bd | 120 | #else // 16 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 121 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 122 | spi_d = 0x7000 | cmd ; |
dreschpe | 14:ea3206e8e3bd | 123 | _spi.write(spi_d); // mbed lib |
dreschpe | 14:ea3206e8e3bd | 124 | #endif |
dreschpe | 14:ea3206e8e3bd | 125 | #endif |
dreschpe | 8:65a4de035c3c | 126 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 127 | } |
dreschpe | 8:65a4de035c3c | 128 | |
dreschpe | 8:65a4de035c3c | 129 | |
dreschpe | 13:2c91cb947161 | 130 | // write data to tft register |
dreschpe | 8:65a4de035c3c | 131 | void SPI_TFT::wr_dat(unsigned char dat) |
dreschpe | 8:65a4de035c3c | 132 | { |
dreschpe | 14:ea3206e8e3bd | 133 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 134 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 135 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 136 | spi_d = 0x7200 | dat; |
dreschpe | 14:ea3206e8e3bd | 137 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 138 | LPC_SSP0->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 139 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 140 | do { |
dreschpe | 14:ea3206e8e3bd | 141 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 142 | } else { |
dreschpe | 14:ea3206e8e3bd | 143 | LPC_SSP1->DR = spi_d; |
dreschpe | 14:ea3206e8e3bd | 144 | do { |
dreschpe | 14:ea3206e8e3bd | 145 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 146 | } |
dreschpe | 14:ea3206e8e3bd | 147 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 148 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 149 | _spi.write(0x72); |
dreschpe | 14:ea3206e8e3bd | 150 | _spi.write(dat); |
dreschpe | 14:ea3206e8e3bd | 151 | #else // 16 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 152 | unsigned short spi_d; |
dreschpe | 14:ea3206e8e3bd | 153 | spi_d = 0x7200 | dat; |
dreschpe | 14:ea3206e8e3bd | 154 | _spi.write(spi_d); |
dreschpe | 14:ea3206e8e3bd | 155 | #endif |
dreschpe | 14:ea3206e8e3bd | 156 | #endif |
dreschpe | 8:65a4de035c3c | 157 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 158 | } |
dreschpe | 8:65a4de035c3c | 159 | |
dreschpe | 8:65a4de035c3c | 160 | |
dreschpe | 8:65a4de035c3c | 161 | |
dreschpe | 8:65a4de035c3c | 162 | // the HX8347-D controller do not use the MISO (SDO) Signal. |
dreschpe | 8:65a4de035c3c | 163 | // This is a bug - ? |
dreschpe | 14:ea3206e8e3bd | 164 | // A read will return 0 at the moment |
dreschpe | 8:65a4de035c3c | 165 | |
dreschpe | 8:65a4de035c3c | 166 | unsigned short SPI_TFT::rd_dat (void) |
dreschpe | 8:65a4de035c3c | 167 | { |
dreschpe | 8:65a4de035c3c | 168 | unsigned short val = 0; |
dreschpe | 8:65a4de035c3c | 169 | |
dreschpe | 8:65a4de035c3c | 170 | //val = _spi.write(0x73ff); /* Dummy read 1 */ |
dreschpe | 8:65a4de035c3c | 171 | //val = _spi.write(0x0000); /* Read D8..D15 */ |
dreschpe | 8:65a4de035c3c | 172 | return (val); |
dreschpe | 8:65a4de035c3c | 173 | } |
dreschpe | 8:65a4de035c3c | 174 | |
dreschpe | 13:2c91cb947161 | 175 | // write to a TFT register |
dreschpe | 8:65a4de035c3c | 176 | void SPI_TFT::wr_reg (unsigned char reg, unsigned char val) |
dreschpe | 8:65a4de035c3c | 177 | { |
dreschpe | 8:65a4de035c3c | 178 | wr_cmd(reg); |
dreschpe | 8:65a4de035c3c | 179 | wr_dat(val); |
dreschpe | 8:65a4de035c3c | 180 | } |
dreschpe | 8:65a4de035c3c | 181 | |
dreschpe | 13:2c91cb947161 | 182 | // read from a TFT register |
dreschpe | 8:65a4de035c3c | 183 | unsigned short SPI_TFT::rd_reg (unsigned char reg) |
dreschpe | 8:65a4de035c3c | 184 | { |
dreschpe | 8:65a4de035c3c | 185 | wr_cmd(reg); |
dreschpe | 8:65a4de035c3c | 186 | return(rd_dat()); |
dreschpe | 8:65a4de035c3c | 187 | } |
dreschpe | 8:65a4de035c3c | 188 | |
dreschpe | 13:2c91cb947161 | 189 | // setup TFT controller - this is called by constructor |
dreschpe | 8:65a4de035c3c | 190 | void SPI_TFT::tft_reset() |
dreschpe | 8:65a4de035c3c | 191 | { |
dreschpe | 13:2c91cb947161 | 192 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 13:2c91cb947161 | 193 | _spi.format(8,3); |
dreschpe | 13:2c91cb947161 | 194 | #else // 16 Bit SPI |
dreschpe | 8:65a4de035c3c | 195 | _spi.format(16,3); // 16 bit spi mode 3 |
dreschpe | 13:2c91cb947161 | 196 | #endif |
dreschpe | 8:65a4de035c3c | 197 | _spi.frequency(48000000); // 48 Mhz SPI clock |
dreschpe | 8:65a4de035c3c | 198 | _cs = 1; // cs high |
dreschpe | 8:65a4de035c3c | 199 | _reset = 0; // display reset |
dreschpe | 8:65a4de035c3c | 200 | |
dreschpe | 8:65a4de035c3c | 201 | wait_us(50); |
dreschpe | 8:65a4de035c3c | 202 | _reset = 1; // end reset |
dreschpe | 8:65a4de035c3c | 203 | wait_ms(5); |
dreschpe | 8:65a4de035c3c | 204 | |
dreschpe | 8:65a4de035c3c | 205 | /* Start Initial Sequence ----------------------------------------------------*/ |
dreschpe | 8:65a4de035c3c | 206 | wr_reg(0xEA, 0x00); /* Reset Power Control 1 */ |
dreschpe | 8:65a4de035c3c | 207 | wr_reg(0xEB, 0x20); /* Power Control 2 */ |
dreschpe | 8:65a4de035c3c | 208 | wr_reg(0xEC, 0x0C); /* Power Control 3 */ |
dreschpe | 8:65a4de035c3c | 209 | wr_reg(0xED, 0xC4); /* Power Control 4 */ |
dreschpe | 8:65a4de035c3c | 210 | wr_reg(0xE8, 0x40); /* Source OPON_N */ |
dreschpe | 8:65a4de035c3c | 211 | wr_reg(0xE9, 0x38); /* Source OPON_I */ |
dreschpe | 8:65a4de035c3c | 212 | wr_reg(0xF1, 0x01); /* */ |
dreschpe | 8:65a4de035c3c | 213 | wr_reg(0xF2, 0x10); /* */ |
dreschpe | 8:65a4de035c3c | 214 | wr_reg(0x27, 0xA3); /* Display Control 2 */ |
dreschpe | 8:65a4de035c3c | 215 | |
dreschpe | 8:65a4de035c3c | 216 | /* Power On sequence ---------------------------------------------------------*/ |
dreschpe | 8:65a4de035c3c | 217 | wr_reg(0x1B, 0x1B); /* Power Control 2 */ |
dreschpe | 8:65a4de035c3c | 218 | wr_reg(0x1A, 0x01); /* Power Control 1 */ |
dreschpe | 8:65a4de035c3c | 219 | wr_reg(0x24, 0x2F); /* Vcom Control 2 */ |
dreschpe | 8:65a4de035c3c | 220 | wr_reg(0x25, 0x57); /* Vcom Control 3 */ |
dreschpe | 8:65a4de035c3c | 221 | wr_reg(0x23, 0x8D); /* Vcom Control 1 */ |
dreschpe | 8:65a4de035c3c | 222 | |
dreschpe | 8:65a4de035c3c | 223 | /* Gamma settings -----------------------------------------------------------*/ |
dreschpe | 13:2c91cb947161 | 224 | wr_reg(0x40,0x00); // default setup |
dreschpe | 8:65a4de035c3c | 225 | wr_reg(0x41,0x00); // |
dreschpe | 8:65a4de035c3c | 226 | wr_reg(0x42,0x01); // |
dreschpe | 8:65a4de035c3c | 227 | wr_reg(0x43,0x13); // |
dreschpe | 8:65a4de035c3c | 228 | wr_reg(0x44,0x10); // |
dreschpe | 8:65a4de035c3c | 229 | wr_reg(0x45,0x26); // |
dreschpe | 8:65a4de035c3c | 230 | wr_reg(0x46,0x08); // |
dreschpe | 8:65a4de035c3c | 231 | wr_reg(0x47,0x51); // |
dreschpe | 8:65a4de035c3c | 232 | wr_reg(0x48,0x02); // |
dreschpe | 8:65a4de035c3c | 233 | wr_reg(0x49,0x12); // |
dreschpe | 8:65a4de035c3c | 234 | wr_reg(0x4A,0x18); // |
dreschpe | 8:65a4de035c3c | 235 | wr_reg(0x4B,0x19); // |
dreschpe | 8:65a4de035c3c | 236 | wr_reg(0x4C,0x14); // |
dreschpe | 8:65a4de035c3c | 237 | wr_reg(0x50,0x19); // |
dreschpe | 8:65a4de035c3c | 238 | wr_reg(0x51,0x2F); // |
dreschpe | 8:65a4de035c3c | 239 | wr_reg(0x52,0x2C); // |
dreschpe | 8:65a4de035c3c | 240 | wr_reg(0x53,0x3E); // |
dreschpe | 8:65a4de035c3c | 241 | wr_reg(0x54,0x3F); // |
dreschpe | 8:65a4de035c3c | 242 | wr_reg(0x55,0x3F); // |
dreschpe | 8:65a4de035c3c | 243 | wr_reg(0x56,0x2E); // |
dreschpe | 8:65a4de035c3c | 244 | wr_reg(0x57,0x77); // |
dreschpe | 8:65a4de035c3c | 245 | wr_reg(0x58,0x0B); // |
dreschpe | 8:65a4de035c3c | 246 | wr_reg(0x59,0x06); // |
dreschpe | 8:65a4de035c3c | 247 | wr_reg(0x5A,0x07); // |
dreschpe | 8:65a4de035c3c | 248 | wr_reg(0x5B,0x0D); // |
dreschpe | 8:65a4de035c3c | 249 | wr_reg(0x5C,0x1D); // |
dreschpe | 8:65a4de035c3c | 250 | wr_reg(0x5D,0xCC); // |
dreschpe | 8:65a4de035c3c | 251 | |
dreschpe | 8:65a4de035c3c | 252 | /* Power + Osc ---------------------------------------------------------------*/ |
dreschpe | 14:ea3206e8e3bd | 253 | wr_reg(0x18, 0x36); /* OSC Control 1 */ |
dreschpe | 14:ea3206e8e3bd | 254 | wr_reg(0x19, 0x01); /* OSC Control 2 */ |
dreschpe | 14:ea3206e8e3bd | 255 | wr_reg(0x01, 0x00); /* Display Mode Control */ |
dreschpe | 14:ea3206e8e3bd | 256 | wr_reg(0x1F, 0x88); /* Power Control 6 */ |
dreschpe | 8:65a4de035c3c | 257 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 14:ea3206e8e3bd | 258 | wr_reg(0x1F, 0x80); /* Power Control 6 */ |
dreschpe | 14:ea3206e8e3bd | 259 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 14:ea3206e8e3bd | 260 | wr_reg(0x1F, 0x90); /* Power Control 6 */ |
dreschpe | 8:65a4de035c3c | 261 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 14:ea3206e8e3bd | 262 | wr_reg(0x1F, 0xD0); /* Power Control 6 */ |
dreschpe | 8:65a4de035c3c | 263 | wait_ms(5); /* Delay 5 ms */ |
dreschpe | 8:65a4de035c3c | 264 | |
dreschpe | 14:ea3206e8e3bd | 265 | wr_reg(0x17, 0x05); /* Colmod 16Bit/Pixel */ |
dreschpe | 8:65a4de035c3c | 266 | |
dreschpe | 14:ea3206e8e3bd | 267 | wr_reg(0x36, 0x00); /* Panel Characteristic */ |
dreschpe | 14:ea3206e8e3bd | 268 | wr_reg(0x28, 0x38); /* Display Control 3 */ |
dreschpe | 8:65a4de035c3c | 269 | wait_ms(40); |
dreschpe | 14:ea3206e8e3bd | 270 | wr_reg(0x28, 0x3C); /* Display Control 3 */ |
dreschpe | 8:65a4de035c3c | 271 | switch (orientation) { |
dreschpe | 8:65a4de035c3c | 272 | case 0: |
dreschpe | 14:ea3206e8e3bd | 273 | wr_reg(0x16, 0x08); |
dreschpe | 8:65a4de035c3c | 274 | break; |
dreschpe | 8:65a4de035c3c | 275 | case 2: |
dreschpe | 14:ea3206e8e3bd | 276 | wr_reg(0x16, 0xC8); |
dreschpe | 8:65a4de035c3c | 277 | break; |
dreschpe | 8:65a4de035c3c | 278 | case 3: |
dreschpe | 14:ea3206e8e3bd | 279 | wr_reg(0x16, 0xA8); |
dreschpe | 14:ea3206e8e3bd | 280 | break; |
dreschpe | 14:ea3206e8e3bd | 281 | case 1: |
dreschpe | 14:ea3206e8e3bd | 282 | default: |
dreschpe | 14:ea3206e8e3bd | 283 | wr_reg(0x16, 0x68); |
dreschpe | 14:ea3206e8e3bd | 284 | break; |
dreschpe | 14:ea3206e8e3bd | 285 | |
dreschpe | 8:65a4de035c3c | 286 | } |
dreschpe | 13:2c91cb947161 | 287 | #if defined USE_DMA // setup DMA channel 0 |
dreschpe | 13:2c91cb947161 | 288 | LPC_SC->PCONP |= (1UL << 29); // Power up the GPDMA. |
dreschpe | 8:65a4de035c3c | 289 | LPC_GPDMA->DMACConfig = 1; // enable DMA controller |
dreschpe | 13:2c91cb947161 | 290 | LPC_GPDMA->DMACIntTCClear = 0x1; // Reset the Interrupt status |
dreschpe | 8:65a4de035c3c | 291 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 8:65a4de035c3c | 292 | LPC_GPDMACH0->DMACCLLI = 0; |
dreschpe | 8:65a4de035c3c | 293 | #endif |
dreschpe | 8:65a4de035c3c | 294 | WindowMax (); |
dreschpe | 8:65a4de035c3c | 295 | } |
dreschpe | 8:65a4de035c3c | 296 | |
dreschpe | 13:2c91cb947161 | 297 | // Set one pixel |
dreschpe | 8:65a4de035c3c | 298 | void SPI_TFT::pixel(int x, int y, int color) |
dreschpe | 8:65a4de035c3c | 299 | { |
dreschpe | 8:65a4de035c3c | 300 | wr_reg(0x03, (x >> 0)); |
dreschpe | 8:65a4de035c3c | 301 | wr_reg(0x02, (x >> 8)); |
dreschpe | 8:65a4de035c3c | 302 | wr_reg(0x07, (y >> 0)); |
dreschpe | 8:65a4de035c3c | 303 | wr_reg(0x06, (y >> 8)); |
dreschpe | 8:65a4de035c3c | 304 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 305 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 306 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 307 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 308 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 309 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 310 | LPC_SSP0->CR0 |= 0x08UL; // set back to 16 bit |
dreschpe | 14:ea3206e8e3bd | 311 | LPC_SSP0->DR = color; // Pixel |
dreschpe | 14:ea3206e8e3bd | 312 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 313 | do { |
dreschpe | 14:ea3206e8e3bd | 314 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 315 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 316 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 317 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 318 | LPC_SSP1->CR0 |= 0x08UL; // set back to 16 bit |
dreschpe | 14:ea3206e8e3bd | 319 | LPC_SSP1->DR = color; |
dreschpe | 14:ea3206e8e3bd | 320 | // we have to wait for SPI IDLE to set CS back to high |
dreschpe | 14:ea3206e8e3bd | 321 | do { |
dreschpe | 14:ea3206e8e3bd | 322 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 323 | } |
dreschpe | 14:ea3206e8e3bd | 324 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 325 | |
dreschpe | 14:ea3206e8e3bd | 326 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 327 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 328 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 329 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 330 | #else |
dreschpe | 14:ea3206e8e3bd | 331 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 332 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 333 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 334 | _spi.write(color); // Write D0..D15 |
dreschpe | 14:ea3206e8e3bd | 335 | #endif |
dreschpe | 14:ea3206e8e3bd | 336 | #endif |
dreschpe | 8:65a4de035c3c | 337 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 338 | } |
dreschpe | 8:65a4de035c3c | 339 | |
dreschpe | 13:2c91cb947161 | 340 | // define draw area |
dreschpe | 8:65a4de035c3c | 341 | void SPI_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) |
dreschpe | 8:65a4de035c3c | 342 | { |
dreschpe | 8:65a4de035c3c | 343 | wr_reg(0x03, x ); |
dreschpe | 8:65a4de035c3c | 344 | wr_reg(0x02, (x >> 8)); |
dreschpe | 8:65a4de035c3c | 345 | wr_reg(0x05, x+w-1 ); |
dreschpe | 8:65a4de035c3c | 346 | wr_reg(0x04, (x+w-1 >> 8)); |
dreschpe | 8:65a4de035c3c | 347 | wr_reg(0x07, y ); |
dreschpe | 8:65a4de035c3c | 348 | wr_reg(0x06, ( y >> 8)); |
dreschpe | 8:65a4de035c3c | 349 | wr_reg(0x09, ( y+h-1 )); |
dreschpe | 8:65a4de035c3c | 350 | wr_reg(0x08, ( y+h-1 >> 8)); |
dreschpe | 8:65a4de035c3c | 351 | } |
dreschpe | 8:65a4de035c3c | 352 | |
dreschpe | 13:2c91cb947161 | 353 | // set draw area to max |
dreschpe | 8:65a4de035c3c | 354 | void SPI_TFT::WindowMax (void) |
dreschpe | 8:65a4de035c3c | 355 | { |
dreschpe | 8:65a4de035c3c | 356 | window (0, 0, width(), height()); |
dreschpe | 8:65a4de035c3c | 357 | } |
dreschpe | 8:65a4de035c3c | 358 | |
dreschpe | 8:65a4de035c3c | 359 | |
dreschpe | 13:2c91cb947161 | 360 | // clear screen |
dreschpe | 8:65a4de035c3c | 361 | void SPI_TFT::cls (void) |
dreschpe | 8:65a4de035c3c | 362 | { |
dreschpe | 14:ea3206e8e3bd | 363 | fprintf(stderr, "CLS \n\r"); |
dreschpe | 8:65a4de035c3c | 364 | int pixel = ( width() * height()); |
dreschpe | 14:ea3206e8e3bd | 365 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 366 | int dma_count; |
dreschpe | 14:ea3206e8e3bd | 367 | int color = _background; |
dreschpe | 14:ea3206e8e3bd | 368 | #endif |
dreschpe | 8:65a4de035c3c | 369 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 370 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 371 | |
dreschpe | 14:ea3206e8e3bd | 372 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 373 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 374 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 375 | #endif |
dreschpe | 14:ea3206e8e3bd | 376 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 377 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 378 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 379 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 380 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 381 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 382 | #endif |
dreschpe | 14:ea3206e8e3bd | 383 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 384 | LPC_SSP0->DR = 0x72; // start byte |
dreschpe | 14:ea3206e8e3bd | 385 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 386 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 387 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 388 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 389 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 390 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 391 | #endif |
dreschpe | 14:ea3206e8e3bd | 392 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 393 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 394 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 395 | } |
dreschpe | 8:65a4de035c3c | 396 | |
dreschpe | 14:ea3206e8e3bd | 397 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 398 | // start DMA |
dreschpe | 14:ea3206e8e3bd | 399 | do { |
dreschpe | 14:ea3206e8e3bd | 400 | if (pixel > 4095) { |
dreschpe | 14:ea3206e8e3bd | 401 | dma_count = 4095; |
dreschpe | 14:ea3206e8e3bd | 402 | pixel = pixel - 4095; |
dreschpe | 14:ea3206e8e3bd | 403 | } else { |
dreschpe | 14:ea3206e8e3bd | 404 | dma_count = pixel; |
dreschpe | 14:ea3206e8e3bd | 405 | pixel = 0; |
dreschpe | 14:ea3206e8e3bd | 406 | } |
dreschpe | 14:ea3206e8e3bd | 407 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 408 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 409 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 410 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 411 | LPC_GPDMA->DMACSoftSReq = 0x1; // DMA request |
dreschpe | 14:ea3206e8e3bd | 412 | do { |
dreschpe | 14:ea3206e8e3bd | 413 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 14:ea3206e8e3bd | 414 | } while (pixel > 0); |
dreschpe | 14:ea3206e8e3bd | 415 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 416 | do { |
dreschpe | 14:ea3206e8e3bd | 417 | } while ((0x0010 & LPC_SSP0->SR) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 418 | /* disable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 419 | LPC_SSP0->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 420 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 421 | do { |
dreschpe | 14:ea3206e8e3bd | 422 | } while ((0x0010 & LPC_SSP1->SR) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 423 | /* disable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 424 | LPC_SSP1->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 425 | } |
dreschpe | 13:2c91cb947161 | 426 | |
dreschpe | 14:ea3206e8e3bd | 427 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 428 | unsigned int i; |
dreschpe | 14:ea3206e8e3bd | 429 | for (i = 0; i < ( width() * height()); i++) |
dreschpe | 14:ea3206e8e3bd | 430 | _spi.write(_background); |
dreschpe | 14:ea3206e8e3bd | 431 | #endif |
dreschpe | 14:ea3206e8e3bd | 432 | |
dreschpe | 14:ea3206e8e3bd | 433 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 434 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 435 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 436 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 437 | unsigned int i; |
dreschpe | 14:ea3206e8e3bd | 438 | for (i = 0; i < ( width() * height()); i++) { |
dreschpe | 14:ea3206e8e3bd | 439 | _spi.write(_background >> 8); |
dreschpe | 14:ea3206e8e3bd | 440 | _spi.write(_background & 0xff); |
dreschpe | 14:ea3206e8e3bd | 441 | } |
dreschpe | 14:ea3206e8e3bd | 442 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 443 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 444 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 445 | _spi.format(16,3); // switch back to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 446 | unsigned int i; |
dreschpe | 14:ea3206e8e3bd | 447 | for (i = 0; i < ( width() * height()); i++) |
dreschpe | 14:ea3206e8e3bd | 448 | _spi.write(_background); |
dreschpe | 14:ea3206e8e3bd | 449 | #endif |
dreschpe | 14:ea3206e8e3bd | 450 | #endif |
dreschpe | 8:65a4de035c3c | 451 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 452 | } |
dreschpe | 8:65a4de035c3c | 453 | |
dreschpe | 8:65a4de035c3c | 454 | void SPI_TFT::circle(int x0, int y0, int r, int color) |
dreschpe | 18:52cbeede86f0 | 455 | { |
dreschpe | 18:52cbeede86f0 | 456 | int x = -r, y = 0, err = 2-2*r, e2; |
dreschpe | 18:52cbeede86f0 | 457 | do { |
dreschpe | 18:52cbeede86f0 | 458 | pixel(x0-x, y0+y,color); |
dreschpe | 18:52cbeede86f0 | 459 | pixel(x0+x, y0+y,color); |
dreschpe | 18:52cbeede86f0 | 460 | pixel(x0+x, y0-y,color); |
dreschpe | 18:52cbeede86f0 | 461 | pixel(x0-x, y0-y,color); |
dreschpe | 18:52cbeede86f0 | 462 | e2 = err; |
dreschpe | 18:52cbeede86f0 | 463 | if (e2 <= y) { |
dreschpe | 18:52cbeede86f0 | 464 | err += ++y*2+1; |
dreschpe | 18:52cbeede86f0 | 465 | if (-x == y && e2 <= x) e2 = 0; |
dreschpe | 18:52cbeede86f0 | 466 | } |
dreschpe | 18:52cbeede86f0 | 467 | if (e2 > x) err += ++x*2+1; |
dreschpe | 18:52cbeede86f0 | 468 | } while (x <= 0); |
dreschpe | 18:52cbeede86f0 | 469 | |
dreschpe | 18:52cbeede86f0 | 470 | } |
dreschpe | 18:52cbeede86f0 | 471 | |
dreschpe | 18:52cbeede86f0 | 472 | void SPI_TFT::fillcircle(int x0, int y0, int r, int color) |
dreschpe | 8:65a4de035c3c | 473 | { |
dreschpe | 18:52cbeede86f0 | 474 | int x = -r, y = 0, err = 2-2*r, e2; |
dreschpe | 18:52cbeede86f0 | 475 | do { |
dreschpe | 18:52cbeede86f0 | 476 | vline(x0-x, y0-y, y0+y, color); |
dreschpe | 18:52cbeede86f0 | 477 | vline(x0+x, y0-y, y0+y, color); |
dreschpe | 18:52cbeede86f0 | 478 | e2 = err; |
dreschpe | 18:52cbeede86f0 | 479 | if (e2 <= y) { |
dreschpe | 18:52cbeede86f0 | 480 | err += ++y*2+1; |
dreschpe | 18:52cbeede86f0 | 481 | if (-x == y && e2 <= x) e2 = 0; |
dreschpe | 8:65a4de035c3c | 482 | } |
dreschpe | 18:52cbeede86f0 | 483 | if (e2 > x) err += ++x*2+1; |
dreschpe | 18:52cbeede86f0 | 484 | } while (x <= 0); |
dreschpe | 8:65a4de035c3c | 485 | } |
dreschpe | 8:65a4de035c3c | 486 | |
dreschpe | 8:65a4de035c3c | 487 | |
dreschpe | 13:2c91cb947161 | 488 | // draw horizontal line |
dreschpe | 8:65a4de035c3c | 489 | void SPI_TFT::hline(int x0, int x1, int y, int color) |
dreschpe | 8:65a4de035c3c | 490 | { |
dreschpe | 11:9bb71766cafc | 491 | int w; |
dreschpe | 8:65a4de035c3c | 492 | w = x1 - x0 + 1; |
dreschpe | 8:65a4de035c3c | 493 | window(x0,y,w,1); |
dreschpe | 8:65a4de035c3c | 494 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 495 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 496 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 497 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 498 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 499 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 500 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 501 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 502 | #endif |
dreschpe | 14:ea3206e8e3bd | 503 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 504 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 505 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 506 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 507 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 508 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 509 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 510 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 511 | #endif |
dreschpe | 14:ea3206e8e3bd | 512 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 513 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 514 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 515 | } |
dreschpe | 14:ea3206e8e3bd | 516 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 517 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 518 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 519 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 520 | LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 521 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 522 | LPC_GPDMA->DMACSoftSReq = 0x1; // start DMA |
dreschpe | 14:ea3206e8e3bd | 523 | do { |
dreschpe | 14:ea3206e8e3bd | 524 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 14:ea3206e8e3bd | 525 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 526 | do { |
dreschpe | 14:ea3206e8e3bd | 527 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 528 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 529 | do { |
dreschpe | 14:ea3206e8e3bd | 530 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 531 | } |
dreschpe | 14:ea3206e8e3bd | 532 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 533 | int i; |
dreschpe | 14:ea3206e8e3bd | 534 | for (i=0; i<w; i++) { |
dreschpe | 14:ea3206e8e3bd | 535 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 536 | } |
dreschpe | 14:ea3206e8e3bd | 537 | #endif |
dreschpe | 14:ea3206e8e3bd | 538 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 539 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 540 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 541 | for (int j=0; j<w; j++) { |
dreschpe | 14:ea3206e8e3bd | 542 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 543 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 544 | } |
dreschpe | 14:ea3206e8e3bd | 545 | #else // 16 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 546 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 547 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 548 | _spi.format(16,3); // switch back to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 549 | for (int j=0; j<w; j++) { |
dreschpe | 14:ea3206e8e3bd | 550 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 551 | } |
dreschpe | 14:ea3206e8e3bd | 552 | #endif |
dreschpe | 14:ea3206e8e3bd | 553 | #endif |
dreschpe | 8:65a4de035c3c | 554 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 555 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 556 | return; |
dreschpe | 8:65a4de035c3c | 557 | } |
dreschpe | 8:65a4de035c3c | 558 | |
dreschpe | 13:2c91cb947161 | 559 | // draw vertical line |
dreschpe | 8:65a4de035c3c | 560 | void SPI_TFT::vline(int x, int y0, int y1, int color) |
dreschpe | 8:65a4de035c3c | 561 | { |
dreschpe | 8:65a4de035c3c | 562 | int h; |
dreschpe | 8:65a4de035c3c | 563 | h = y1 - y0 + 1; |
dreschpe | 8:65a4de035c3c | 564 | window(x,y0,1,h); |
dreschpe | 8:65a4de035c3c | 565 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 566 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 567 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 568 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 569 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 570 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 571 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 572 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 573 | #endif |
dreschpe | 14:ea3206e8e3bd | 574 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 575 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 576 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 577 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 578 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 579 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 580 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 581 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 582 | #endif |
dreschpe | 14:ea3206e8e3bd | 583 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 584 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 585 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 586 | } |
dreschpe | 14:ea3206e8e3bd | 587 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 588 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 589 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 590 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 591 | LPC_GPDMACH0->DMACCControl = h | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 592 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 593 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 14:ea3206e8e3bd | 594 | do { |
dreschpe | 14:ea3206e8e3bd | 595 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 596 | |
dreschpe | 14:ea3206e8e3bd | 597 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 598 | do { |
dreschpe | 14:ea3206e8e3bd | 599 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 600 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 601 | do { |
dreschpe | 14:ea3206e8e3bd | 602 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 603 | } |
dreschpe | 14:ea3206e8e3bd | 604 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 605 | for (int y=0; y<h; y++) { |
dreschpe | 14:ea3206e8e3bd | 606 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 607 | } |
dreschpe | 14:ea3206e8e3bd | 608 | #endif |
dreschpe | 14:ea3206e8e3bd | 609 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 610 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 611 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 612 | for (int y=0; y<h; y++) { |
dreschpe | 14:ea3206e8e3bd | 613 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 614 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 615 | } |
dreschpe | 14:ea3206e8e3bd | 616 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 617 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 618 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 619 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 620 | for (int y=0; y<h; y++) { |
dreschpe | 14:ea3206e8e3bd | 621 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 622 | } |
dreschpe | 14:ea3206e8e3bd | 623 | #endif |
dreschpe | 14:ea3206e8e3bd | 624 | #endif |
dreschpe | 8:65a4de035c3c | 625 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 626 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 627 | return; |
dreschpe | 8:65a4de035c3c | 628 | } |
dreschpe | 8:65a4de035c3c | 629 | |
dreschpe | 8:65a4de035c3c | 630 | |
dreschpe | 13:2c91cb947161 | 631 | // draw line |
dreschpe | 8:65a4de035c3c | 632 | void SPI_TFT::line(int x0, int y0, int x1, int y1, int color) |
dreschpe | 8:65a4de035c3c | 633 | { |
dreschpe | 8:65a4de035c3c | 634 | //WindowMax(); |
dreschpe | 8:65a4de035c3c | 635 | int dx = 0, dy = 0; |
dreschpe | 8:65a4de035c3c | 636 | int dx_sym = 0, dy_sym = 0; |
dreschpe | 8:65a4de035c3c | 637 | int dx_x2 = 0, dy_x2 = 0; |
dreschpe | 8:65a4de035c3c | 638 | int di = 0; |
dreschpe | 8:65a4de035c3c | 639 | |
dreschpe | 8:65a4de035c3c | 640 | dx = x1-x0; |
dreschpe | 8:65a4de035c3c | 641 | dy = y1-y0; |
dreschpe | 8:65a4de035c3c | 642 | |
dreschpe | 8:65a4de035c3c | 643 | if (dx == 0) { /* vertical line */ |
dreschpe | 8:65a4de035c3c | 644 | if (y1 > y0) vline(x0,y0,y1,color); |
dreschpe | 8:65a4de035c3c | 645 | else vline(x0,y1,y0,color); |
dreschpe | 8:65a4de035c3c | 646 | return; |
dreschpe | 8:65a4de035c3c | 647 | } |
dreschpe | 8:65a4de035c3c | 648 | |
dreschpe | 8:65a4de035c3c | 649 | if (dx > 0) { |
dreschpe | 8:65a4de035c3c | 650 | dx_sym = 1; |
dreschpe | 8:65a4de035c3c | 651 | } else { |
dreschpe | 8:65a4de035c3c | 652 | dx_sym = -1; |
dreschpe | 8:65a4de035c3c | 653 | } |
dreschpe | 8:65a4de035c3c | 654 | if (dy == 0) { /* horizontal line */ |
dreschpe | 8:65a4de035c3c | 655 | if (x1 > x0) hline(x0,x1,y0,color); |
dreschpe | 8:65a4de035c3c | 656 | else hline(x1,x0,y0,color); |
dreschpe | 8:65a4de035c3c | 657 | return; |
dreschpe | 8:65a4de035c3c | 658 | } |
dreschpe | 8:65a4de035c3c | 659 | |
dreschpe | 8:65a4de035c3c | 660 | if (dy > 0) { |
dreschpe | 8:65a4de035c3c | 661 | dy_sym = 1; |
dreschpe | 8:65a4de035c3c | 662 | } else { |
dreschpe | 8:65a4de035c3c | 663 | dy_sym = -1; |
dreschpe | 8:65a4de035c3c | 664 | } |
dreschpe | 8:65a4de035c3c | 665 | |
dreschpe | 8:65a4de035c3c | 666 | dx = dx_sym*dx; |
dreschpe | 8:65a4de035c3c | 667 | dy = dy_sym*dy; |
dreschpe | 8:65a4de035c3c | 668 | |
dreschpe | 8:65a4de035c3c | 669 | dx_x2 = dx*2; |
dreschpe | 8:65a4de035c3c | 670 | dy_x2 = dy*2; |
dreschpe | 8:65a4de035c3c | 671 | |
dreschpe | 8:65a4de035c3c | 672 | if (dx >= dy) { |
dreschpe | 8:65a4de035c3c | 673 | di = dy_x2 - dx; |
dreschpe | 8:65a4de035c3c | 674 | while (x0 != x1) { |
dreschpe | 8:65a4de035c3c | 675 | |
dreschpe | 8:65a4de035c3c | 676 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 677 | x0 += dx_sym; |
dreschpe | 8:65a4de035c3c | 678 | if (di<0) { |
dreschpe | 8:65a4de035c3c | 679 | di += dy_x2; |
dreschpe | 8:65a4de035c3c | 680 | } else { |
dreschpe | 8:65a4de035c3c | 681 | di += dy_x2 - dx_x2; |
dreschpe | 8:65a4de035c3c | 682 | y0 += dy_sym; |
dreschpe | 8:65a4de035c3c | 683 | } |
dreschpe | 8:65a4de035c3c | 684 | } |
dreschpe | 8:65a4de035c3c | 685 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 686 | } else { |
dreschpe | 8:65a4de035c3c | 687 | di = dx_x2 - dy; |
dreschpe | 8:65a4de035c3c | 688 | while (y0 != y1) { |
dreschpe | 8:65a4de035c3c | 689 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 690 | y0 += dy_sym; |
dreschpe | 8:65a4de035c3c | 691 | if (di < 0) { |
dreschpe | 8:65a4de035c3c | 692 | di += dx_x2; |
dreschpe | 8:65a4de035c3c | 693 | } else { |
dreschpe | 8:65a4de035c3c | 694 | di += dx_x2 - dy_x2; |
dreschpe | 8:65a4de035c3c | 695 | x0 += dx_sym; |
dreschpe | 8:65a4de035c3c | 696 | } |
dreschpe | 8:65a4de035c3c | 697 | } |
dreschpe | 8:65a4de035c3c | 698 | pixel(x0, y0, color); |
dreschpe | 8:65a4de035c3c | 699 | } |
dreschpe | 8:65a4de035c3c | 700 | return; |
dreschpe | 8:65a4de035c3c | 701 | } |
dreschpe | 8:65a4de035c3c | 702 | |
dreschpe | 13:2c91cb947161 | 703 | // draw rect |
dreschpe | 8:65a4de035c3c | 704 | void SPI_TFT::rect(int x0, int y0, int x1, int y1, int color) |
dreschpe | 8:65a4de035c3c | 705 | { |
dreschpe | 8:65a4de035c3c | 706 | |
dreschpe | 8:65a4de035c3c | 707 | if (x1 > x0) hline(x0,x1,y0,color); |
dreschpe | 8:65a4de035c3c | 708 | else hline(x1,x0,y0,color); |
dreschpe | 8:65a4de035c3c | 709 | |
dreschpe | 8:65a4de035c3c | 710 | if (y1 > y0) vline(x0,y0,y1,color); |
dreschpe | 8:65a4de035c3c | 711 | else vline(x0,y1,y0,color); |
dreschpe | 8:65a4de035c3c | 712 | |
dreschpe | 8:65a4de035c3c | 713 | if (x1 > x0) hline(x0,x1,y1,color); |
dreschpe | 8:65a4de035c3c | 714 | else hline(x1,x0,y1,color); |
dreschpe | 8:65a4de035c3c | 715 | |
dreschpe | 8:65a4de035c3c | 716 | if (y1 > y0) vline(x1,y0,y1,color); |
dreschpe | 8:65a4de035c3c | 717 | else vline(x1,y1,y0,color); |
dreschpe | 8:65a4de035c3c | 718 | |
dreschpe | 8:65a4de035c3c | 719 | return; |
dreschpe | 8:65a4de035c3c | 720 | } |
dreschpe | 8:65a4de035c3c | 721 | |
dreschpe | 8:65a4de035c3c | 722 | |
dreschpe | 13:2c91cb947161 | 723 | // fill rect |
dreschpe | 8:65a4de035c3c | 724 | void SPI_TFT::fillrect(int x0, int y0, int x1, int y1, int color) |
dreschpe | 8:65a4de035c3c | 725 | { |
dreschpe | 8:65a4de035c3c | 726 | |
dreschpe | 8:65a4de035c3c | 727 | int h = y1 - y0 + 1; |
dreschpe | 8:65a4de035c3c | 728 | int w = x1 - x0 + 1; |
dreschpe | 8:65a4de035c3c | 729 | int pixel = h * w; |
dreschpe | 14:ea3206e8e3bd | 730 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 731 | int dma_count; |
dreschpe | 14:ea3206e8e3bd | 732 | #endif |
dreschpe | 8:65a4de035c3c | 733 | window(x0,y0,w,h); |
dreschpe | 8:65a4de035c3c | 734 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 735 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 736 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 737 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 738 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 739 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 740 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 741 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 742 | #endif |
dreschpe | 14:ea3206e8e3bd | 743 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 744 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 745 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 746 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 747 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 748 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 749 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 750 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 751 | #endif |
dreschpe | 14:ea3206e8e3bd | 752 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 753 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 754 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 755 | } |
dreschpe | 14:ea3206e8e3bd | 756 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 757 | do { |
dreschpe | 14:ea3206e8e3bd | 758 | if (pixel > 4095) { |
dreschpe | 14:ea3206e8e3bd | 759 | dma_count = 4095; |
dreschpe | 14:ea3206e8e3bd | 760 | pixel = pixel - 4095; |
dreschpe | 14:ea3206e8e3bd | 761 | } else { |
dreschpe | 14:ea3206e8e3bd | 762 | dma_count = pixel; |
dreschpe | 14:ea3206e8e3bd | 763 | pixel = 0; |
dreschpe | 14:ea3206e8e3bd | 764 | } |
dreschpe | 14:ea3206e8e3bd | 765 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 766 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 767 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
dreschpe | 14:ea3206e8e3bd | 768 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 769 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 770 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 14:ea3206e8e3bd | 771 | do { |
dreschpe | 14:ea3206e8e3bd | 772 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 773 | |
dreschpe | 14:ea3206e8e3bd | 774 | } while (pixel > 0); |
dreschpe | 13:2c91cb947161 | 775 | |
dreschpe | 14:ea3206e8e3bd | 776 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 777 | do { |
dreschpe | 14:ea3206e8e3bd | 778 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 779 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 780 | do { |
dreschpe | 14:ea3206e8e3bd | 781 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 14:ea3206e8e3bd | 782 | } |
dreschpe | 14:ea3206e8e3bd | 783 | |
dreschpe | 14:ea3206e8e3bd | 784 | #else // no DMA |
dreschpe | 14:ea3206e8e3bd | 785 | for (int p=0; p<pixel; p++) { |
dreschpe | 14:ea3206e8e3bd | 786 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 787 | } |
dreschpe | 14:ea3206e8e3bd | 788 | #endif |
dreschpe | 13:2c91cb947161 | 789 | |
dreschpe | 14:ea3206e8e3bd | 790 | #else // use mbed lib |
dreschpe | 14:ea3206e8e3bd | 791 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 792 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 793 | for (int p=0; p<pixel; p++) { |
dreschpe | 14:ea3206e8e3bd | 794 | _spi.write(color >> 8); |
dreschpe | 14:ea3206e8e3bd | 795 | _spi.write(color & 0xff); |
dreschpe | 14:ea3206e8e3bd | 796 | } |
dreschpe | 13:2c91cb947161 | 797 | |
dreschpe | 14:ea3206e8e3bd | 798 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 799 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 800 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 801 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 802 | for (int p=0; p<pixel; p++) { |
dreschpe | 14:ea3206e8e3bd | 803 | _spi.write(color); |
dreschpe | 14:ea3206e8e3bd | 804 | } |
dreschpe | 14:ea3206e8e3bd | 805 | #endif |
dreschpe | 14:ea3206e8e3bd | 806 | #endif |
dreschpe | 8:65a4de035c3c | 807 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 808 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 809 | return; |
dreschpe | 8:65a4de035c3c | 810 | } |
dreschpe | 8:65a4de035c3c | 811 | |
dreschpe | 13:2c91cb947161 | 812 | // set cursor position |
dreschpe | 8:65a4de035c3c | 813 | void SPI_TFT::locate(int x, int y) |
dreschpe | 8:65a4de035c3c | 814 | { |
dreschpe | 8:65a4de035c3c | 815 | char_x = x; |
dreschpe | 8:65a4de035c3c | 816 | char_y = y; |
dreschpe | 8:65a4de035c3c | 817 | } |
dreschpe | 8:65a4de035c3c | 818 | |
dreschpe | 8:65a4de035c3c | 819 | |
dreschpe | 13:2c91cb947161 | 820 | // calculate num of chars in a row |
dreschpe | 8:65a4de035c3c | 821 | int SPI_TFT::columns() |
dreschpe | 8:65a4de035c3c | 822 | { |
dreschpe | 8:65a4de035c3c | 823 | return width() / font[1]; |
dreschpe | 8:65a4de035c3c | 824 | } |
dreschpe | 8:65a4de035c3c | 825 | |
dreschpe | 13:2c91cb947161 | 826 | // calculate num of rows on the screen |
dreschpe | 8:65a4de035c3c | 827 | int SPI_TFT::rows() |
dreschpe | 8:65a4de035c3c | 828 | { |
dreschpe | 8:65a4de035c3c | 829 | return height() / font[2]; |
dreschpe | 8:65a4de035c3c | 830 | } |
dreschpe | 8:65a4de035c3c | 831 | |
dreschpe | 13:2c91cb947161 | 832 | // print a char on the screen |
dreschpe | 8:65a4de035c3c | 833 | int SPI_TFT::_putc(int value) |
dreschpe | 8:65a4de035c3c | 834 | { |
dreschpe | 8:65a4de035c3c | 835 | if (value == '\n') { // new line |
dreschpe | 8:65a4de035c3c | 836 | char_x = 0; |
dreschpe | 8:65a4de035c3c | 837 | char_y = char_y + font[2]; |
dreschpe | 8:65a4de035c3c | 838 | if (char_y >= height() - font[2]) { |
dreschpe | 8:65a4de035c3c | 839 | char_y = 0; |
dreschpe | 8:65a4de035c3c | 840 | } |
dreschpe | 8:65a4de035c3c | 841 | } else { |
dreschpe | 8:65a4de035c3c | 842 | character(char_x, char_y, value); |
dreschpe | 8:65a4de035c3c | 843 | } |
dreschpe | 8:65a4de035c3c | 844 | return value; |
dreschpe | 8:65a4de035c3c | 845 | } |
dreschpe | 8:65a4de035c3c | 846 | |
dreschpe | 13:2c91cb947161 | 847 | // consrtuct the char out of the font |
dreschpe | 8:65a4de035c3c | 848 | void SPI_TFT::character(int x, int y, int c) |
dreschpe | 8:65a4de035c3c | 849 | { |
dreschpe | 9:a63fd1ad41b0 | 850 | unsigned int hor,vert,offset,bpl,j,i,b; |
dreschpe | 8:65a4de035c3c | 851 | unsigned char* zeichen; |
dreschpe | 8:65a4de035c3c | 852 | unsigned char z,w; |
dreschpe | 14:ea3206e8e3bd | 853 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 854 | unsigned int pixel; |
dreschpe | 14:ea3206e8e3bd | 855 | unsigned int p; |
dreschpe | 14:ea3206e8e3bd | 856 | unsigned int dma_count,dma_off; |
dreschpe | 14:ea3206e8e3bd | 857 | uint16_t *buffer; |
dreschpe | 14:ea3206e8e3bd | 858 | #endif |
dreschpe | 8:65a4de035c3c | 859 | |
dreschpe | 8:65a4de035c3c | 860 | if ((c < 31) || (c > 127)) return; // test char range |
dreschpe | 8:65a4de035c3c | 861 | |
dreschpe | 8:65a4de035c3c | 862 | // read font parameter from start of array |
dreschpe | 8:65a4de035c3c | 863 | offset = font[0]; // bytes / char |
dreschpe | 8:65a4de035c3c | 864 | hor = font[1]; // get hor size of font |
dreschpe | 8:65a4de035c3c | 865 | vert = font[2]; // get vert size of font |
dreschpe | 8:65a4de035c3c | 866 | bpl = font[3]; // bytes per line |
dreschpe | 8:65a4de035c3c | 867 | |
dreschpe | 8:65a4de035c3c | 868 | if (char_x + hor > width()) { |
dreschpe | 8:65a4de035c3c | 869 | char_x = 0; |
dreschpe | 8:65a4de035c3c | 870 | char_y = char_y + vert; |
dreschpe | 8:65a4de035c3c | 871 | if (char_y >= height() - font[2]) { |
dreschpe | 8:65a4de035c3c | 872 | char_y = 0; |
dreschpe | 8:65a4de035c3c | 873 | } |
dreschpe | 8:65a4de035c3c | 874 | } |
dreschpe | 8:65a4de035c3c | 875 | window(char_x, char_y,hor,vert); // char box |
dreschpe | 8:65a4de035c3c | 876 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 877 | |
dreschpe | 14:ea3206e8e3bd | 878 | #if defined USE_DMA |
dreschpe | 14:ea3206e8e3bd | 879 | pixel = hor * vert; // calculate buffer size |
dreschpe | 8:65a4de035c3c | 880 | |
dreschpe | 14:ea3206e8e3bd | 881 | buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the 16 bit |
dreschpe | 14:ea3206e8e3bd | 882 | if (buffer == NULL) { |
dreschpe | 14:ea3206e8e3bd | 883 | //led = 1; |
dreschpe | 14:ea3206e8e3bd | 884 | //pc.printf("Malloc error !\n\r"); |
dreschpe | 14:ea3206e8e3bd | 885 | return; // error no memory |
dreschpe | 8:65a4de035c3c | 886 | } |
dreschpe | 8:65a4de035c3c | 887 | |
dreschpe | 14:ea3206e8e3bd | 888 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
dreschpe | 14:ea3206e8e3bd | 889 | w = zeichen[0]; // width of actual char |
dreschpe | 14:ea3206e8e3bd | 890 | p = 0; |
dreschpe | 14:ea3206e8e3bd | 891 | // construct the char into the buffer |
dreschpe | 14:ea3206e8e3bd | 892 | for (j=0; j<vert; j++) { // vert line |
dreschpe | 14:ea3206e8e3bd | 893 | for (i=0; i<hor; i++) { // horz line |
dreschpe | 14:ea3206e8e3bd | 894 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
dreschpe | 14:ea3206e8e3bd | 895 | b = 1 << (j & 0x07); |
dreschpe | 14:ea3206e8e3bd | 896 | if (( z & b ) == 0x00) { |
dreschpe | 14:ea3206e8e3bd | 897 | buffer[p] = _background; |
dreschpe | 14:ea3206e8e3bd | 898 | } else { |
dreschpe | 14:ea3206e8e3bd | 899 | buffer[p] = _foreground; |
dreschpe | 14:ea3206e8e3bd | 900 | } |
dreschpe | 14:ea3206e8e3bd | 901 | p++; |
dreschpe | 8:65a4de035c3c | 902 | } |
dreschpe | 8:65a4de035c3c | 903 | } |
dreschpe | 14:ea3206e8e3bd | 904 | |
dreschpe | 14:ea3206e8e3bd | 905 | // copy the buffer with DMA SPI to display |
dreschpe | 14:ea3206e8e3bd | 906 | dma_off = 0; // offset for DMA transfer |
dreschpe | 14:ea3206e8e3bd | 907 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 908 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 909 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 14:ea3206e8e3bd | 910 | /* Enable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 911 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 912 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 913 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 914 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 915 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 916 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 14:ea3206e8e3bd | 917 | /* Enable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 918 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 14:ea3206e8e3bd | 919 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 920 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 921 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 922 | } |
dreschpe | 14:ea3206e8e3bd | 923 | |
dreschpe | 14:ea3206e8e3bd | 924 | // start DMA |
dreschpe | 14:ea3206e8e3bd | 925 | do { |
dreschpe | 14:ea3206e8e3bd | 926 | if (pixel > 4095) { // this is a giant font ! |
dreschpe | 14:ea3206e8e3bd | 927 | dma_count = 4095; |
dreschpe | 14:ea3206e8e3bd | 928 | pixel = pixel - 4095; |
dreschpe | 14:ea3206e8e3bd | 929 | } else { |
dreschpe | 14:ea3206e8e3bd | 930 | dma_count = pixel; |
dreschpe | 14:ea3206e8e3bd | 931 | pixel = 0; |
dreschpe | 14:ea3206e8e3bd | 932 | } |
dreschpe | 14:ea3206e8e3bd | 933 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 14:ea3206e8e3bd | 934 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 14:ea3206e8e3bd | 935 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off); |
dreschpe | 14:ea3206e8e3bd | 936 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
dreschpe | 14:ea3206e8e3bd | 937 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 14:ea3206e8e3bd | 938 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 14:ea3206e8e3bd | 939 | do { |
dreschpe | 14:ea3206e8e3bd | 940 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 14:ea3206e8e3bd | 941 | dma_off = dma_off + dma_count; |
dreschpe | 14:ea3206e8e3bd | 942 | } while (pixel > 0); |
dreschpe | 14:ea3206e8e3bd | 943 | |
dreschpe | 14:ea3206e8e3bd | 944 | free ((uint16_t *) buffer); |
dreschpe | 14:ea3206e8e3bd | 945 | |
dreschpe | 14:ea3206e8e3bd | 946 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 947 | do { |
dreschpe | 14:ea3206e8e3bd | 948 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
dreschpe | 14:ea3206e8e3bd | 949 | /* disable SSP0 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 950 | LPC_SSP0->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 951 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 952 | do { |
dreschpe | 14:ea3206e8e3bd | 953 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
dreschpe | 14:ea3206e8e3bd | 954 | /* disable SSP1 for DMA. */ |
dreschpe | 14:ea3206e8e3bd | 955 | LPC_SSP1->DMACR = 0x0; |
dreschpe | 14:ea3206e8e3bd | 956 | } |
dreschpe | 14:ea3206e8e3bd | 957 | |
dreschpe | 14:ea3206e8e3bd | 958 | #else // no dma |
dreschpe | 14:ea3206e8e3bd | 959 | _cs = 0; |
dreschpe | 14:ea3206e8e3bd | 960 | #if defined NO_MBED_LIB |
dreschpe | 14:ea3206e8e3bd | 961 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 14:ea3206e8e3bd | 962 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 963 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 964 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 965 | } else { // TFT on SSP1 |
dreschpe | 14:ea3206e8e3bd | 966 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 14:ea3206e8e3bd | 967 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 14:ea3206e8e3bd | 968 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 14:ea3206e8e3bd | 969 | } |
dreschpe | 14:ea3206e8e3bd | 970 | #else // mbed lib |
dreschpe | 14:ea3206e8e3bd | 971 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 972 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 973 | #else // 16 bit SPI |
dreschpe | 14:ea3206e8e3bd | 974 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 975 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 14:ea3206e8e3bd | 976 | _spi.format(16,3); // switch back to 16 bit Mode 3 |
dreschpe | 14:ea3206e8e3bd | 977 | #endif |
dreschpe | 14:ea3206e8e3bd | 978 | #endif |
dreschpe | 14:ea3206e8e3bd | 979 | |
dreschpe | 14:ea3206e8e3bd | 980 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
dreschpe | 14:ea3206e8e3bd | 981 | w = zeichen[0]; // width of actual char |
dreschpe | 14:ea3206e8e3bd | 982 | for (j=0; j<vert; j++) { // vert line |
dreschpe | 14:ea3206e8e3bd | 983 | for (i=0; i<hor; i++) { // horz line |
dreschpe | 14:ea3206e8e3bd | 984 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
dreschpe | 14:ea3206e8e3bd | 985 | b = 1 << (j & 0x07); |
dreschpe | 14:ea3206e8e3bd | 986 | if (( z & b ) == 0x00) { |
dreschpe | 14:ea3206e8e3bd | 987 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 988 | _spi.write(_background >> 8); |
dreschpe | 14:ea3206e8e3bd | 989 | _spi.write(_background & 0xff); |
dreschpe | 14:ea3206e8e3bd | 990 | #else |
dreschpe | 14:ea3206e8e3bd | 991 | _spi.write(_background); |
dreschpe | 14:ea3206e8e3bd | 992 | #endif |
dreschpe | 14:ea3206e8e3bd | 993 | } else { |
dreschpe | 14:ea3206e8e3bd | 994 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 14:ea3206e8e3bd | 995 | _spi.write(_foreground >> 8); |
dreschpe | 14:ea3206e8e3bd | 996 | _spi.write(_foreground & 0xff); |
dreschpe | 14:ea3206e8e3bd | 997 | #else |
dreschpe | 14:ea3206e8e3bd | 998 | _spi.write(_foreground); |
dreschpe | 14:ea3206e8e3bd | 999 | #endif |
dreschpe | 14:ea3206e8e3bd | 1000 | } |
dreschpe | 14:ea3206e8e3bd | 1001 | } |
dreschpe | 14:ea3206e8e3bd | 1002 | } |
dreschpe | 14:ea3206e8e3bd | 1003 | #endif // no DMA |
dreschpe | 8:65a4de035c3c | 1004 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 1005 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 1006 | if ((w + 2) < hor) { // x offset to next char |
dreschpe | 8:65a4de035c3c | 1007 | char_x += w + 2; |
dreschpe | 8:65a4de035c3c | 1008 | } else char_x += hor; |
dreschpe | 8:65a4de035c3c | 1009 | } |
dreschpe | 8:65a4de035c3c | 1010 | |
dreschpe | 8:65a4de035c3c | 1011 | |
dreschpe | 8:65a4de035c3c | 1012 | void SPI_TFT::set_font(unsigned char* f) |
dreschpe | 8:65a4de035c3c | 1013 | { |
dreschpe | 8:65a4de035c3c | 1014 | font = f; |
dreschpe | 8:65a4de035c3c | 1015 | } |
dreschpe | 8:65a4de035c3c | 1016 | |
dreschpe | 8:65a4de035c3c | 1017 | |
dreschpe | 8:65a4de035c3c | 1018 | void SPI_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) |
dreschpe | 8:65a4de035c3c | 1019 | { |
dreschpe | 8:65a4de035c3c | 1020 | unsigned int j; |
dreschpe | 8:65a4de035c3c | 1021 | int padd; |
dreschpe | 16:2efcbb2814fa | 1022 | |
dreschpe | 16:2efcbb2814fa | 1023 | unsigned short *bitmap_ptr = (unsigned short *)bitmap; |
dreschpe | 14:ea3206e8e3bd | 1024 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 16:2efcbb2814fa | 1025 | unsigned short pix_temp; |
dreschpe | 14:ea3206e8e3bd | 1026 | #endif |
dreschpe | 16:2efcbb2814fa | 1027 | |
dreschpe | 8:65a4de035c3c | 1028 | // the lines are padded to multiple of 4 bytes in a bitmap |
dreschpe | 8:65a4de035c3c | 1029 | padd = -1; |
dreschpe | 8:65a4de035c3c | 1030 | do { |
dreschpe | 8:65a4de035c3c | 1031 | padd ++; |
dreschpe | 8:65a4de035c3c | 1032 | } while (2*(w + padd)%4 != 0); |
dreschpe | 8:65a4de035c3c | 1033 | window(x, y, w, h); |
dreschpe | 8:65a4de035c3c | 1034 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 1035 | _cs = 0; |
dreschpe | 13:2c91cb947161 | 1036 | #if defined NO_MBED_LIB |
dreschpe | 8:65a4de035c3c | 1037 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 16:2efcbb2814fa | 1038 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1039 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 8:65a4de035c3c | 1040 | /* Enable SSP0 for DMA. */ |
dreschpe | 8:65a4de035c3c | 1041 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 16:2efcbb2814fa | 1042 | #endif |
dreschpe | 16:2efcbb2814fa | 1043 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 16:2efcbb2814fa | 1044 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 16:2efcbb2814fa | 1045 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1046 | |
dreschpe | 8:65a4de035c3c | 1047 | } else { |
dreschpe | 16:2efcbb2814fa | 1048 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1049 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 8:65a4de035c3c | 1050 | /* Enable SSP1 for DMA. */ |
dreschpe | 13:2c91cb947161 | 1051 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 16:2efcbb2814fa | 1052 | #endif |
dreschpe | 16:2efcbb2814fa | 1053 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 16:2efcbb2814fa | 1054 | LPC_SSP1->DR = 0x72; // start Data command |
dreschpe | 16:2efcbb2814fa | 1055 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1056 | } |
dreschpe | 8:65a4de035c3c | 1057 | |
dreschpe | 8:65a4de035c3c | 1058 | bitmap_ptr += ((h - 1)* (w + padd)); |
dreschpe | 16:2efcbb2814fa | 1059 | #if defined USE_DMA |
dreschpe | 16:2efcbb2814fa | 1060 | for (j = 0; j < h; j++) { //Lines |
dreschpe | 16:2efcbb2814fa | 1061 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 16:2efcbb2814fa | 1062 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 16:2efcbb2814fa | 1063 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)bitmap_ptr; |
dreschpe | 16:2efcbb2814fa | 1064 | LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
dreschpe | 16:2efcbb2814fa | 1065 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 16:2efcbb2814fa | 1066 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 16:2efcbb2814fa | 1067 | do { |
dreschpe | 16:2efcbb2814fa | 1068 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 1069 | |
dreschpe | 16:2efcbb2814fa | 1070 | bitmap_ptr -= w; |
dreschpe | 16:2efcbb2814fa | 1071 | bitmap_ptr -= padd; |
dreschpe | 8:65a4de035c3c | 1072 | } |
dreschpe | 16:2efcbb2814fa | 1073 | #else |
dreschpe | 16:2efcbb2814fa | 1074 | unsigned int i; |
dreschpe | 16:2efcbb2814fa | 1075 | for (j = 0; j < h; j++) { //Lines |
dreschpe | 16:2efcbb2814fa | 1076 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
dreschpe | 16:2efcbb2814fa | 1077 | _spi.write(*bitmap_ptr); // one line |
dreschpe | 16:2efcbb2814fa | 1078 | bitmap_ptr++; |
dreschpe | 16:2efcbb2814fa | 1079 | } |
dreschpe | 16:2efcbb2814fa | 1080 | bitmap_ptr -= 2*w; |
dreschpe | 16:2efcbb2814fa | 1081 | bitmap_ptr -= padd; |
dreschpe | 16:2efcbb2814fa | 1082 | } |
dreschpe | 16:2efcbb2814fa | 1083 | #endif |
dreschpe | 8:65a4de035c3c | 1084 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 8:65a4de035c3c | 1085 | do { |
dreschpe | 8:65a4de035c3c | 1086 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1087 | } else { |
dreschpe | 8:65a4de035c3c | 1088 | do { |
dreschpe | 8:65a4de035c3c | 1089 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1090 | } |
dreschpe | 9:a63fd1ad41b0 | 1091 | #else // use mbed lib |
dreschpe | 16:2efcbb2814fa | 1092 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 16:2efcbb2814fa | 1093 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 16:2efcbb2814fa | 1094 | #else |
dreschpe | 16:2efcbb2814fa | 1095 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 16:2efcbb2814fa | 1096 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 16:2efcbb2814fa | 1097 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 16:2efcbb2814fa | 1098 | #endif |
dreschpe | 16:2efcbb2814fa | 1099 | bitmap_ptr += ((h - 1)* (w + padd)); |
dreschpe | 9:a63fd1ad41b0 | 1100 | unsigned int i; |
dreschpe | 9:a63fd1ad41b0 | 1101 | for (j = 0; j < h; j++) { //Lines |
dreschpe | 9:a63fd1ad41b0 | 1102 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
dreschpe | 16:2efcbb2814fa | 1103 | #if defined TARGET_KL25Z // 8 Bit SPI |
dreschpe | 16:2efcbb2814fa | 1104 | pix_temp = *bitmap_ptr; |
dreschpe | 16:2efcbb2814fa | 1105 | _spi.write(pix_temp >> 8); |
dreschpe | 16:2efcbb2814fa | 1106 | _spi.write(pix_temp); |
dreschpe | 16:2efcbb2814fa | 1107 | bitmap_ptr++; |
dreschpe | 16:2efcbb2814fa | 1108 | #else |
dreschpe | 16:2efcbb2814fa | 1109 | _spi.write(*bitmap_ptr); // one line |
dreschpe | 16:2efcbb2814fa | 1110 | bitmap_ptr++; |
dreschpe | 16:2efcbb2814fa | 1111 | #endif |
dreschpe | 9:a63fd1ad41b0 | 1112 | } |
dreschpe | 9:a63fd1ad41b0 | 1113 | bitmap_ptr -= 2*w; |
dreschpe | 9:a63fd1ad41b0 | 1114 | bitmap_ptr -= padd; |
dreschpe | 16:2efcbb2814fa | 1115 | } |
dreschpe | 16:2efcbb2814fa | 1116 | #endif // USE MBED LIB |
dreschpe | 8:65a4de035c3c | 1117 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 1118 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 1119 | } |
dreschpe | 8:65a4de035c3c | 1120 | |
dreschpe | 8:65a4de035c3c | 1121 | |
dreschpe | 13:2c91cb947161 | 1122 | // local filesystem is not implemented in kinetis board |
dreschpe | 13:2c91cb947161 | 1123 | #if defined TARGET_LPC1768 || defined TARGET_LPC11U24 |
dreschpe | 13:2c91cb947161 | 1124 | |
dreschpe | 13:2c91cb947161 | 1125 | |
dreschpe | 8:65a4de035c3c | 1126 | int SPI_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) |
dreschpe | 8:65a4de035c3c | 1127 | { |
dreschpe | 8:65a4de035c3c | 1128 | |
dreschpe | 8:65a4de035c3c | 1129 | #define OffsetPixelWidth 18 |
dreschpe | 8:65a4de035c3c | 1130 | #define OffsetPixelHeigh 22 |
dreschpe | 8:65a4de035c3c | 1131 | #define OffsetFileSize 34 |
dreschpe | 8:65a4de035c3c | 1132 | #define OffsetPixData 10 |
dreschpe | 8:65a4de035c3c | 1133 | #define OffsetBPP 28 |
dreschpe | 8:65a4de035c3c | 1134 | |
dreschpe | 8:65a4de035c3c | 1135 | char filename[50]; |
dreschpe | 8:65a4de035c3c | 1136 | unsigned char BMP_Header[54]; |
dreschpe | 8:65a4de035c3c | 1137 | unsigned short BPP_t; |
dreschpe | 8:65a4de035c3c | 1138 | unsigned int PixelWidth,PixelHeigh,start_data; |
dreschpe | 8:65a4de035c3c | 1139 | unsigned int i,off; |
dreschpe | 8:65a4de035c3c | 1140 | int padd,j; |
dreschpe | 8:65a4de035c3c | 1141 | unsigned short *line; |
dreschpe | 8:65a4de035c3c | 1142 | |
dreschpe | 8:65a4de035c3c | 1143 | // get the filename |
dreschpe | 8:65a4de035c3c | 1144 | LocalFileSystem local("local"); |
dreschpe | 8:65a4de035c3c | 1145 | sprintf(&filename[0],"/local/"); |
dreschpe | 8:65a4de035c3c | 1146 | i=7; |
dreschpe | 8:65a4de035c3c | 1147 | while (*Name_BMP!='\0') { |
dreschpe | 8:65a4de035c3c | 1148 | filename[i++]=*Name_BMP++; |
dreschpe | 8:65a4de035c3c | 1149 | } |
dreschpe | 8:65a4de035c3c | 1150 | |
dreschpe | 8:65a4de035c3c | 1151 | fprintf(stderr, "filename : %s \n\r",filename); |
dreschpe | 8:65a4de035c3c | 1152 | |
dreschpe | 8:65a4de035c3c | 1153 | FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file |
dreschpe | 8:65a4de035c3c | 1154 | if (!Image) { |
dreschpe | 8:65a4de035c3c | 1155 | return(0); // error file not found ! |
dreschpe | 8:65a4de035c3c | 1156 | } |
dreschpe | 8:65a4de035c3c | 1157 | |
dreschpe | 8:65a4de035c3c | 1158 | fread(&BMP_Header[0],1,54,Image); // get the BMP Header |
dreschpe | 8:65a4de035c3c | 1159 | |
dreschpe | 8:65a4de035c3c | 1160 | if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte |
dreschpe | 8:65a4de035c3c | 1161 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1162 | return(-1); // error no BMP file |
dreschpe | 8:65a4de035c3c | 1163 | } |
dreschpe | 8:65a4de035c3c | 1164 | |
dreschpe | 8:65a4de035c3c | 1165 | BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8); |
dreschpe | 8:65a4de035c3c | 1166 | if (BPP_t != 0x0010) { |
dreschpe | 8:65a4de035c3c | 1167 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1168 | return(-2); // error no 16 bit BMP |
dreschpe | 8:65a4de035c3c | 1169 | } |
dreschpe | 8:65a4de035c3c | 1170 | |
dreschpe | 8:65a4de035c3c | 1171 | PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24); |
dreschpe | 8:65a4de035c3c | 1172 | PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24); |
dreschpe | 8:65a4de035c3c | 1173 | if (PixelHeigh > height() + y || PixelWidth > width() + x) { |
dreschpe | 8:65a4de035c3c | 1174 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1175 | return(-3); // to big |
dreschpe | 8:65a4de035c3c | 1176 | } |
dreschpe | 8:65a4de035c3c | 1177 | |
dreschpe | 8:65a4de035c3c | 1178 | start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24); |
dreschpe | 8:65a4de035c3c | 1179 | |
dreschpe | 8:65a4de035c3c | 1180 | line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line |
dreschpe | 8:65a4de035c3c | 1181 | if (line == NULL) { |
dreschpe | 8:65a4de035c3c | 1182 | return(-4); // error no memory |
dreschpe | 8:65a4de035c3c | 1183 | } |
dreschpe | 8:65a4de035c3c | 1184 | |
dreschpe | 8:65a4de035c3c | 1185 | // the bmp lines are padded to multiple of 4 bytes |
dreschpe | 8:65a4de035c3c | 1186 | padd = -1; |
dreschpe | 8:65a4de035c3c | 1187 | do { |
dreschpe | 8:65a4de035c3c | 1188 | padd ++; |
dreschpe | 8:65a4de035c3c | 1189 | } while ((PixelWidth * 2 + padd)%4 != 0); |
dreschpe | 8:65a4de035c3c | 1190 | |
dreschpe | 8:65a4de035c3c | 1191 | |
dreschpe | 8:65a4de035c3c | 1192 | //fseek(Image, 70 ,SEEK_SET); |
dreschpe | 8:65a4de035c3c | 1193 | window(x, y,PixelWidth ,PixelHeigh); |
dreschpe | 8:65a4de035c3c | 1194 | wr_cmd(0x22); |
dreschpe | 8:65a4de035c3c | 1195 | _cs = 0; |
dreschpe | 13:2c91cb947161 | 1196 | #if defined NO_MBED_LIB |
dreschpe | 8:65a4de035c3c | 1197 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 8:65a4de035c3c | 1198 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1199 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
dreschpe | 8:65a4de035c3c | 1200 | /* Enable SSP0 for DMA. */ |
dreschpe | 8:65a4de035c3c | 1201 | LPC_SSP0->DMACR = 0x2; |
dreschpe | 8:65a4de035c3c | 1202 | #endif |
dreschpe | 8:65a4de035c3c | 1203 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 8:65a4de035c3c | 1204 | LPC_SSP0->DR = 0x72; // start Data |
dreschpe | 8:65a4de035c3c | 1205 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1206 | |
dreschpe | 8:65a4de035c3c | 1207 | } else { |
dreschpe | 13:2c91cb947161 | 1208 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1209 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
dreschpe | 8:65a4de035c3c | 1210 | /* Enable SSP1 for DMA. */ |
dreschpe | 8:65a4de035c3c | 1211 | LPC_SSP1->DMACR = 0x2; |
dreschpe | 8:65a4de035c3c | 1212 | #endif |
dreschpe | 8:65a4de035c3c | 1213 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
dreschpe | 8:65a4de035c3c | 1214 | LPC_SSP1->DR = 0x72; // start Data |
dreschpe | 13:2c91cb947161 | 1215 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
dreschpe | 8:65a4de035c3c | 1216 | } |
dreschpe | 8:65a4de035c3c | 1217 | for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up |
dreschpe | 8:65a4de035c3c | 1218 | off = j * (PixelWidth * 2 + padd) + start_data; // start of line |
dreschpe | 8:65a4de035c3c | 1219 | fseek(Image, off ,SEEK_SET); |
dreschpe | 8:65a4de035c3c | 1220 | fread(line,1,PixelWidth * 2,Image); // read a line - slow ! |
dreschpe | 8:65a4de035c3c | 1221 | #if defined USE_DMA |
dreschpe | 8:65a4de035c3c | 1222 | LPC_GPDMA->DMACIntTCClear = 0x1; |
dreschpe | 8:65a4de035c3c | 1223 | LPC_GPDMA->DMACIntErrClr = 0x1; |
dreschpe | 8:65a4de035c3c | 1224 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)line; |
dreschpe | 8:65a4de035c3c | 1225 | LPC_GPDMACH0->DMACCControl = PixelWidth | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
dreschpe | 8:65a4de035c3c | 1226 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
dreschpe | 8:65a4de035c3c | 1227 | LPC_GPDMA->DMACSoftSReq = 0x1; |
dreschpe | 8:65a4de035c3c | 1228 | do { |
dreschpe | 8:65a4de035c3c | 1229 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
dreschpe | 8:65a4de035c3c | 1230 | #else |
dreschpe | 13:2c91cb947161 | 1231 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
dreschpe | 8:65a4de035c3c | 1232 | _spi.write(line[i]); // one 16 bit pixel |
dreschpe | 13:2c91cb947161 | 1233 | } |
dreschpe | 13:2c91cb947161 | 1234 | #endif |
dreschpe | 8:65a4de035c3c | 1235 | } |
dreschpe | 8:65a4de035c3c | 1236 | if (spi_port == 0) { // TFT on SSP0 |
dreschpe | 8:65a4de035c3c | 1237 | do { |
dreschpe | 8:65a4de035c3c | 1238 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1239 | } else { |
dreschpe | 8:65a4de035c3c | 1240 | do { |
dreschpe | 8:65a4de035c3c | 1241 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
dreschpe | 8:65a4de035c3c | 1242 | } |
dreschpe | 13:2c91cb947161 | 1243 | |
dreschpe | 9:a63fd1ad41b0 | 1244 | #else // use mbed lib |
dreschpe | 9:a63fd1ad41b0 | 1245 | _spi.format(8,3); // 8 bit Mode 3 |
dreschpe | 9:a63fd1ad41b0 | 1246 | _spi.write(SPI_START | SPI_WR | SPI_DATA); // Write : RS = 1, RW = 0 |
dreschpe | 9:a63fd1ad41b0 | 1247 | _spi.format(16,3); // switch to 16 bit Mode 3 |
dreschpe | 9:a63fd1ad41b0 | 1248 | for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up |
dreschpe | 9:a63fd1ad41b0 | 1249 | off = j * (PixelWidth * 2 + padd) + start_data; // start of line |
dreschpe | 9:a63fd1ad41b0 | 1250 | fseek(Image, off ,SEEK_SET); |
dreschpe | 9:a63fd1ad41b0 | 1251 | fread(line,1,PixelWidth * 2,Image); // read a line - slow ! |
dreschpe | 9:a63fd1ad41b0 | 1252 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
dreschpe | 9:a63fd1ad41b0 | 1253 | _spi.write(line[i]); // one 16 bit pixel |
dreschpe | 13:2c91cb947161 | 1254 | } |
dreschpe | 13:2c91cb947161 | 1255 | } |
dreschpe | 13:2c91cb947161 | 1256 | #endif |
dreschpe | 8:65a4de035c3c | 1257 | _cs = 1; |
dreschpe | 8:65a4de035c3c | 1258 | free (line); |
dreschpe | 8:65a4de035c3c | 1259 | fclose(Image); |
dreschpe | 8:65a4de035c3c | 1260 | WindowMax(); |
dreschpe | 8:65a4de035c3c | 1261 | return(1); |
dreschpe | 13:2c91cb947161 | 1262 | } |
dreschpe | 13:2c91cb947161 | 1263 | |
dreschpe | 13:2c91cb947161 | 1264 | #endif |