Modified to work with two displays
Dependents: touch2 default CANary_9341_test CANary_merge
Fork of SPI_TFT by
SPI_TFTx2.cpp@12:ff509eb02e37, 2013-04-07 (annotated)
- Committer:
- TickTock
- Date:
- Sun Apr 07 08:27:03 2013 +0000
- Revision:
- 12:ff509eb02e37
- Parent:
- 8:a71243b666f9
sped up line draw;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
TickTock | 8:a71243b666f9 | 1 | /* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller |
TickTock | 8:a71243b666f9 | 2 | * Copyright (c) 2011 Peter Drescher - DC2PD |
TickTock | 8:a71243b666f9 | 3 | * |
TickTock | 8:a71243b666f9 | 4 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
TickTock | 8:a71243b666f9 | 5 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
TickTock | 8:a71243b666f9 | 6 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
TickTock | 8:a71243b666f9 | 7 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
TickTock | 8:a71243b666f9 | 8 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
TickTock | 8:a71243b666f9 | 9 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
TickTock | 8:a71243b666f9 | 10 | * THE SOFTWARE. |
TickTock | 8:a71243b666f9 | 11 | */ |
TickTock | 8:a71243b666f9 | 12 | |
TickTock | 8:a71243b666f9 | 13 | |
TickTock | 8:a71243b666f9 | 14 | // fix bmp padding for Bitmap function |
TickTock | 8:a71243b666f9 | 15 | // speed up pixel |
TickTock | 8:a71243b666f9 | 16 | // 30.12.11 fix cls |
TickTock | 8:a71243b666f9 | 17 | // 11.03.12 use DMA to speed up |
TickTock | 8:a71243b666f9 | 18 | // 15.03.12 use SSEL for TFT CS to enable DMA Register writes |
TickTock | 8:a71243b666f9 | 19 | // 06.04.12 fix SSEL CS problem |
TickTock | 8:a71243b666f9 | 20 | // 06.04.12 use direct access to the spi register to speed up the library. |
TickTock | 8:a71243b666f9 | 21 | // 11.09.12 switch back to using io pin as cs to avoid problems with SSEL CS. |
TickTock | 8:a71243b666f9 | 22 | // 21.09.12 fix Bug in BMP_16 |
TickTock | 8:a71243b666f9 | 23 | // 11.10.12 patch from Hans Bergles to get SPI1 working again |
TickTock | 8:a71243b666f9 | 24 | // 03.02.13 add a switch to switch off DMA use for LPC11U24 |
TickTock | 8:a71243b666f9 | 25 | |
TickTock | 8:a71243b666f9 | 26 | #include "SPI_TFTx2.h" |
TickTock | 8:a71243b666f9 | 27 | #include "mbed.h" |
TickTock | 8:a71243b666f9 | 28 | |
TickTock | 8:a71243b666f9 | 29 | #define BPP 16 // Bits per pixel |
TickTock | 8:a71243b666f9 | 30 | |
TickTock | 8:a71243b666f9 | 31 | #if defined TARGET_LPC1768 |
TickTock | 8:a71243b666f9 | 32 | #define USE_DMA |
TickTock | 8:a71243b666f9 | 33 | #endif |
TickTock | 8:a71243b666f9 | 34 | |
TickTock | 8:a71243b666f9 | 35 | #if defined NO_DMA |
TickTock | 8:a71243b666f9 | 36 | #undef USE_DMA |
TickTock | 8:a71243b666f9 | 37 | #endif |
TickTock | 8:a71243b666f9 | 38 | |
TickTock | 8:a71243b666f9 | 39 | //extern Serial pc; |
TickTock | 8:a71243b666f9 | 40 | //extern DigitalOut xx; // debug !! |
TickTock | 8:a71243b666f9 | 41 | |
TickTock | 8:a71243b666f9 | 42 | SPI_TFTx2::SPI_TFTx2(PinName mosi, PinName miso, PinName sclk, PinName cs0, PinName cs1, PinName reset, const char *name) |
TickTock | 8:a71243b666f9 | 43 | : _spi(mosi, miso, sclk), _cs0(cs0), _cs1(cs1), _reset(reset), GraphicsDisplay(name) |
TickTock | 8:a71243b666f9 | 44 | { |
TickTock | 8:a71243b666f9 | 45 | orientation = 0; |
TickTock | 8:a71243b666f9 | 46 | char_x = 0; |
TickTock | 8:a71243b666f9 | 47 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 48 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 49 | |
TickTock | 8:a71243b666f9 | 50 | if (mosi == p11 || mosi == P0_18) spi_port = 0; // we must know the used SPI port to setup the DMA |
TickTock | 8:a71243b666f9 | 51 | else spi_port = 1; |
TickTock | 8:a71243b666f9 | 52 | seldisp = 2; |
TickTock | 8:a71243b666f9 | 53 | tft_reset(); |
TickTock | 8:a71243b666f9 | 54 | } |
TickTock | 8:a71243b666f9 | 55 | |
TickTock | 8:a71243b666f9 | 56 | int SPI_TFTx2::width() |
TickTock | 8:a71243b666f9 | 57 | { |
TickTock | 8:a71243b666f9 | 58 | if (orientation == 0 || orientation == 2) return 240; |
TickTock | 8:a71243b666f9 | 59 | else return 320; |
TickTock | 8:a71243b666f9 | 60 | } |
TickTock | 8:a71243b666f9 | 61 | |
TickTock | 8:a71243b666f9 | 62 | |
TickTock | 8:a71243b666f9 | 63 | int SPI_TFTx2::height() |
TickTock | 8:a71243b666f9 | 64 | { |
TickTock | 8:a71243b666f9 | 65 | if (orientation == 0 || orientation == 2) return 320; |
TickTock | 8:a71243b666f9 | 66 | else return 240; |
TickTock | 8:a71243b666f9 | 67 | } |
TickTock | 8:a71243b666f9 | 68 | |
TickTock | 8:a71243b666f9 | 69 | |
TickTock | 8:a71243b666f9 | 70 | void SPI_TFTx2::set_orientation(unsigned int o) |
TickTock | 8:a71243b666f9 | 71 | { |
TickTock | 8:a71243b666f9 | 72 | orientation = o; |
TickTock | 8:a71243b666f9 | 73 | switch (orientation) { |
TickTock | 8:a71243b666f9 | 74 | case 0: |
TickTock | 8:a71243b666f9 | 75 | wr_reg(0x16, 0x08); |
TickTock | 8:a71243b666f9 | 76 | break; |
TickTock | 8:a71243b666f9 | 77 | case 1: |
TickTock | 8:a71243b666f9 | 78 | wr_reg(0x16, 0x68); |
TickTock | 8:a71243b666f9 | 79 | break; |
TickTock | 8:a71243b666f9 | 80 | case 2: |
TickTock | 8:a71243b666f9 | 81 | wr_reg(0x16, 0xC8); |
TickTock | 8:a71243b666f9 | 82 | break; |
TickTock | 8:a71243b666f9 | 83 | case 3: |
TickTock | 8:a71243b666f9 | 84 | wr_reg(0x16, 0xA8); |
TickTock | 8:a71243b666f9 | 85 | break; |
TickTock | 8:a71243b666f9 | 86 | } |
TickTock | 8:a71243b666f9 | 87 | WindowMax(); |
TickTock | 8:a71243b666f9 | 88 | } |
TickTock | 8:a71243b666f9 | 89 | |
TickTock | 8:a71243b666f9 | 90 | void SPI_TFTx2::set_display(unsigned int o) |
TickTock | 8:a71243b666f9 | 91 | { |
TickTock | 8:a71243b666f9 | 92 | seldisp = o; |
TickTock | 8:a71243b666f9 | 93 | } |
TickTock | 8:a71243b666f9 | 94 | |
TickTock | 8:a71243b666f9 | 95 | // write command to tft register |
TickTock | 8:a71243b666f9 | 96 | |
TickTock | 8:a71243b666f9 | 97 | void SPI_TFTx2::wr_cmd(unsigned char cmd) |
TickTock | 8:a71243b666f9 | 98 | { |
TickTock | 8:a71243b666f9 | 99 | unsigned short spi_d; |
TickTock | 8:a71243b666f9 | 100 | spi_d = 0x7000 | cmd ; |
TickTock | 8:a71243b666f9 | 101 | |
TickTock | 8:a71243b666f9 | 102 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 103 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 104 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 105 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 106 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 107 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 108 | } else { |
TickTock | 8:a71243b666f9 | 109 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 110 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 111 | } |
TickTock | 8:a71243b666f9 | 112 | |
TickTock | 8:a71243b666f9 | 113 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 114 | LPC_SSP0->DR = spi_d; |
TickTock | 8:a71243b666f9 | 115 | // we have to wait for SPI IDLE to set CS back to high |
TickTock | 8:a71243b666f9 | 116 | do { |
TickTock | 8:a71243b666f9 | 117 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
TickTock | 8:a71243b666f9 | 118 | } else { |
TickTock | 8:a71243b666f9 | 119 | LPC_SSP1->DR = spi_d; |
TickTock | 8:a71243b666f9 | 120 | do { |
TickTock | 8:a71243b666f9 | 121 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
TickTock | 8:a71243b666f9 | 122 | } |
TickTock | 8:a71243b666f9 | 123 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 124 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 125 | } |
TickTock | 8:a71243b666f9 | 126 | |
TickTock | 8:a71243b666f9 | 127 | |
TickTock | 8:a71243b666f9 | 128 | |
TickTock | 8:a71243b666f9 | 129 | void SPI_TFTx2::wr_dat(unsigned char dat) |
TickTock | 8:a71243b666f9 | 130 | { |
TickTock | 8:a71243b666f9 | 131 | unsigned short spi_d; |
TickTock | 8:a71243b666f9 | 132 | spi_d = 0x7200 | dat; |
TickTock | 8:a71243b666f9 | 133 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 134 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 135 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 136 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 137 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 138 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 139 | } else { |
TickTock | 8:a71243b666f9 | 140 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 141 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 142 | } |
TickTock | 8:a71243b666f9 | 143 | |
TickTock | 8:a71243b666f9 | 144 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 145 | LPC_SSP0->DR = spi_d; |
TickTock | 8:a71243b666f9 | 146 | // we have to wait for SPI IDLE to set CS back to high |
TickTock | 8:a71243b666f9 | 147 | do { |
TickTock | 8:a71243b666f9 | 148 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
TickTock | 8:a71243b666f9 | 149 | } else { |
TickTock | 8:a71243b666f9 | 150 | LPC_SSP1->DR = spi_d; |
TickTock | 8:a71243b666f9 | 151 | do { |
TickTock | 8:a71243b666f9 | 152 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
TickTock | 8:a71243b666f9 | 153 | } |
TickTock | 8:a71243b666f9 | 154 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 155 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 156 | } |
TickTock | 8:a71243b666f9 | 157 | |
TickTock | 8:a71243b666f9 | 158 | |
TickTock | 8:a71243b666f9 | 159 | |
TickTock | 8:a71243b666f9 | 160 | // the HX8347-D controller do not use the MISO (SDO) Signal. |
TickTock | 8:a71243b666f9 | 161 | // This is a bug - ? |
TickTock | 8:a71243b666f9 | 162 | // A read will return 0 at the moment |
TickTock | 8:a71243b666f9 | 163 | |
TickTock | 8:a71243b666f9 | 164 | unsigned short SPI_TFTx2::rd_dat (void) |
TickTock | 8:a71243b666f9 | 165 | { |
TickTock | 8:a71243b666f9 | 166 | unsigned short val = 0; |
TickTock | 8:a71243b666f9 | 167 | |
TickTock | 8:a71243b666f9 | 168 | //val = _spi.write(0x73ff); /* Dummy read 1 */ |
TickTock | 8:a71243b666f9 | 169 | //val = _spi.write(0x0000); /* Read D8..D15 */ |
TickTock | 8:a71243b666f9 | 170 | return (val); |
TickTock | 8:a71243b666f9 | 171 | } |
TickTock | 8:a71243b666f9 | 172 | |
TickTock | 8:a71243b666f9 | 173 | void SPI_TFTx2::wr_reg (unsigned char reg, unsigned char val) |
TickTock | 8:a71243b666f9 | 174 | { |
TickTock | 8:a71243b666f9 | 175 | wr_cmd(reg); |
TickTock | 8:a71243b666f9 | 176 | wr_dat(val); |
TickTock | 8:a71243b666f9 | 177 | } |
TickTock | 8:a71243b666f9 | 178 | |
TickTock | 8:a71243b666f9 | 179 | unsigned short SPI_TFTx2::rd_reg (unsigned char reg) |
TickTock | 8:a71243b666f9 | 180 | { |
TickTock | 8:a71243b666f9 | 181 | wr_cmd(reg); |
TickTock | 8:a71243b666f9 | 182 | return(rd_dat()); |
TickTock | 8:a71243b666f9 | 183 | } |
TickTock | 8:a71243b666f9 | 184 | |
TickTock | 8:a71243b666f9 | 185 | void SPI_TFTx2::tft_reset() |
TickTock | 8:a71243b666f9 | 186 | { |
TickTock | 8:a71243b666f9 | 187 | //static unsigned short driverCode; |
TickTock | 8:a71243b666f9 | 188 | _spi.format(16,3); // 16 bit spi mode 3 |
TickTock | 8:a71243b666f9 | 189 | _spi.frequency(48000000); // 48 Mhz SPI clock |
TickTock | 8:a71243b666f9 | 190 | _cs0 = 1; // cs high |
TickTock | 8:a71243b666f9 | 191 | _cs1 = 1; // cs high |
TickTock | 8:a71243b666f9 | 192 | _reset = 0; // display reset |
TickTock | 8:a71243b666f9 | 193 | |
TickTock | 8:a71243b666f9 | 194 | wait_us(50); |
TickTock | 8:a71243b666f9 | 195 | _reset = 1; // end reset |
TickTock | 8:a71243b666f9 | 196 | wait_ms(5); |
TickTock | 8:a71243b666f9 | 197 | |
TickTock | 8:a71243b666f9 | 198 | /* Start Initial Sequence ----------------------------------------------------*/ |
TickTock | 8:a71243b666f9 | 199 | wr_reg(0xEA, 0x00); /* Reset Power Control 1 */ |
TickTock | 8:a71243b666f9 | 200 | wr_reg(0xEB, 0x20); /* Power Control 2 */ |
TickTock | 8:a71243b666f9 | 201 | wr_reg(0xEC, 0x0C); /* Power Control 3 */ |
TickTock | 8:a71243b666f9 | 202 | wr_reg(0xED, 0xC4); /* Power Control 4 */ |
TickTock | 8:a71243b666f9 | 203 | wr_reg(0xE8, 0x40); /* Source OPON_N */ |
TickTock | 8:a71243b666f9 | 204 | wr_reg(0xE9, 0x38); /* Source OPON_I */ |
TickTock | 8:a71243b666f9 | 205 | wr_reg(0xF1, 0x01); /* */ |
TickTock | 8:a71243b666f9 | 206 | wr_reg(0xF2, 0x10); /* */ |
TickTock | 8:a71243b666f9 | 207 | wr_reg(0x27, 0xA3); /* Display Control 2 */ |
TickTock | 8:a71243b666f9 | 208 | |
TickTock | 8:a71243b666f9 | 209 | /* Power On sequence ---------------------------------------------------------*/ |
TickTock | 8:a71243b666f9 | 210 | wr_reg(0x1B, 0x1B); /* Power Control 2 */ |
TickTock | 8:a71243b666f9 | 211 | wr_reg(0x1A, 0x01); /* Power Control 1 */ |
TickTock | 8:a71243b666f9 | 212 | wr_reg(0x24, 0x2F); /* Vcom Control 2 */ |
TickTock | 8:a71243b666f9 | 213 | wr_reg(0x25, 0x57); /* Vcom Control 3 */ |
TickTock | 8:a71243b666f9 | 214 | wr_reg(0x23, 0x8D); /* Vcom Control 1 */ |
TickTock | 8:a71243b666f9 | 215 | |
TickTock | 8:a71243b666f9 | 216 | /* Gamma settings -----------------------------------------------------------*/ |
TickTock | 8:a71243b666f9 | 217 | wr_reg(0x40,0x00); // |
TickTock | 8:a71243b666f9 | 218 | wr_reg(0x41,0x00); // |
TickTock | 8:a71243b666f9 | 219 | wr_reg(0x42,0x01); // |
TickTock | 8:a71243b666f9 | 220 | wr_reg(0x43,0x13); // |
TickTock | 8:a71243b666f9 | 221 | wr_reg(0x44,0x10); // |
TickTock | 8:a71243b666f9 | 222 | wr_reg(0x45,0x26); // |
TickTock | 8:a71243b666f9 | 223 | wr_reg(0x46,0x08); // |
TickTock | 8:a71243b666f9 | 224 | wr_reg(0x47,0x51); // |
TickTock | 8:a71243b666f9 | 225 | wr_reg(0x48,0x02); // |
TickTock | 8:a71243b666f9 | 226 | wr_reg(0x49,0x12); // |
TickTock | 8:a71243b666f9 | 227 | wr_reg(0x4A,0x18); // |
TickTock | 8:a71243b666f9 | 228 | wr_reg(0x4B,0x19); // |
TickTock | 8:a71243b666f9 | 229 | wr_reg(0x4C,0x14); // |
TickTock | 8:a71243b666f9 | 230 | wr_reg(0x50,0x19); // |
TickTock | 8:a71243b666f9 | 231 | wr_reg(0x51,0x2F); // |
TickTock | 8:a71243b666f9 | 232 | wr_reg(0x52,0x2C); // |
TickTock | 8:a71243b666f9 | 233 | wr_reg(0x53,0x3E); // |
TickTock | 8:a71243b666f9 | 234 | wr_reg(0x54,0x3F); // |
TickTock | 8:a71243b666f9 | 235 | wr_reg(0x55,0x3F); // |
TickTock | 8:a71243b666f9 | 236 | wr_reg(0x56,0x2E); // |
TickTock | 8:a71243b666f9 | 237 | wr_reg(0x57,0x77); // |
TickTock | 8:a71243b666f9 | 238 | wr_reg(0x58,0x0B); // |
TickTock | 8:a71243b666f9 | 239 | wr_reg(0x59,0x06); // |
TickTock | 8:a71243b666f9 | 240 | wr_reg(0x5A,0x07); // |
TickTock | 8:a71243b666f9 | 241 | wr_reg(0x5B,0x0D); // |
TickTock | 8:a71243b666f9 | 242 | wr_reg(0x5C,0x1D); // |
TickTock | 8:a71243b666f9 | 243 | wr_reg(0x5D,0xCC); // |
TickTock | 8:a71243b666f9 | 244 | |
TickTock | 8:a71243b666f9 | 245 | /* Power + Osc ---------------------------------------------------------------*/ |
TickTock | 8:a71243b666f9 | 246 | wr_reg(0x18, 0x0036); /* OSC Control 1 */ |
TickTock | 8:a71243b666f9 | 247 | wr_reg(0x19, 0x0001); /* OSC Control 2 */ |
TickTock | 8:a71243b666f9 | 248 | wr_reg(0x01, 0x0000); /* Display Mode Control */ |
TickTock | 8:a71243b666f9 | 249 | wr_reg(0x1F, 0x0088); /* Power Control 6 */ |
TickTock | 8:a71243b666f9 | 250 | wait_ms(5); /* Delay 5 ms */ |
TickTock | 8:a71243b666f9 | 251 | wr_reg(0x1F, 0x0080); /* Power Control 6 */ |
TickTock | 8:a71243b666f9 | 252 | wait_ms(5); /* Delay 5 ms */ |
TickTock | 8:a71243b666f9 | 253 | wr_reg(0x1F, 0x0090); /* Power Control 6 */ |
TickTock | 8:a71243b666f9 | 254 | wait_ms(5); /* Delay 5 ms */ |
TickTock | 8:a71243b666f9 | 255 | wr_reg(0x1F, 0x00D0); /* Power Control 6 */ |
TickTock | 8:a71243b666f9 | 256 | wait_ms(5); /* Delay 5 ms */ |
TickTock | 8:a71243b666f9 | 257 | |
TickTock | 8:a71243b666f9 | 258 | wr_reg(0x17, 0x0005); /* Colmod 16Bit/Pixel */ |
TickTock | 8:a71243b666f9 | 259 | |
TickTock | 8:a71243b666f9 | 260 | wr_reg(0x36, 0x0000); /* Panel Characteristic */ |
TickTock | 8:a71243b666f9 | 261 | wr_reg(0x28, 0x0038); /* Display Control 3 */ |
TickTock | 8:a71243b666f9 | 262 | wait_ms(40); |
TickTock | 8:a71243b666f9 | 263 | wr_reg(0x28, 0x003C); /* Display Control 3 */ |
TickTock | 8:a71243b666f9 | 264 | switch (orientation) { |
TickTock | 8:a71243b666f9 | 265 | case 0: |
TickTock | 8:a71243b666f9 | 266 | wr_reg(0x16, 0x0008); |
TickTock | 8:a71243b666f9 | 267 | break; |
TickTock | 8:a71243b666f9 | 268 | case 1: |
TickTock | 8:a71243b666f9 | 269 | wr_reg(0x16, 0x0068); |
TickTock | 8:a71243b666f9 | 270 | break; |
TickTock | 8:a71243b666f9 | 271 | case 2: |
TickTock | 8:a71243b666f9 | 272 | wr_reg(0x16, 0x00C8); |
TickTock | 8:a71243b666f9 | 273 | break; |
TickTock | 8:a71243b666f9 | 274 | case 3: |
TickTock | 8:a71243b666f9 | 275 | wr_reg(0x16, 0x00A8); |
TickTock | 8:a71243b666f9 | 276 | break; |
TickTock | 8:a71243b666f9 | 277 | } |
TickTock | 8:a71243b666f9 | 278 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 279 | // setup DMA channel 0 |
TickTock | 8:a71243b666f9 | 280 | // Power up the GPDMA. |
TickTock | 8:a71243b666f9 | 281 | LPC_SC->PCONP |= (1UL << 29); |
TickTock | 8:a71243b666f9 | 282 | LPC_GPDMA->DMACConfig = 1; // enable DMA controller |
TickTock | 8:a71243b666f9 | 283 | // Reset the Interrupt status |
TickTock | 8:a71243b666f9 | 284 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 285 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 286 | LPC_GPDMACH0->DMACCLLI = 0; |
TickTock | 8:a71243b666f9 | 287 | #endif |
TickTock | 8:a71243b666f9 | 288 | |
TickTock | 8:a71243b666f9 | 289 | WindowMax (); |
TickTock | 8:a71243b666f9 | 290 | } |
TickTock | 8:a71243b666f9 | 291 | |
TickTock | 8:a71243b666f9 | 292 | |
TickTock | 8:a71243b666f9 | 293 | void SPI_TFTx2::pixel(int x, int y, int color) |
TickTock | 8:a71243b666f9 | 294 | { |
TickTock | 8:a71243b666f9 | 295 | unsigned char u,l; |
TickTock | 8:a71243b666f9 | 296 | wr_reg(0x03, (x >> 0)); |
TickTock | 8:a71243b666f9 | 297 | wr_reg(0x02, (x >> 8)); |
TickTock | 8:a71243b666f9 | 298 | wr_reg(0x07, (y >> 0)); |
TickTock | 8:a71243b666f9 | 299 | wr_reg(0x06, (y >> 8)); |
TickTock | 8:a71243b666f9 | 300 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 301 | u = color >> 8; |
TickTock | 8:a71243b666f9 | 302 | l = color & 0xff; |
TickTock | 8:a71243b666f9 | 303 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 304 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 305 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 306 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 307 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 308 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 309 | } else { |
TickTock | 8:a71243b666f9 | 310 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 311 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 312 | } |
TickTock | 8:a71243b666f9 | 313 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 314 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 315 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 316 | LPC_SSP0->DR = u; // high byte |
TickTock | 8:a71243b666f9 | 317 | LPC_SSP0->DR = l; // low byte |
TickTock | 8:a71243b666f9 | 318 | LPC_SSP0->CR0 |= 0x08UL; // set back to 16 bit |
TickTock | 8:a71243b666f9 | 319 | // we have to wait for SPI IDLE to set CS back to high |
TickTock | 8:a71243b666f9 | 320 | do { |
TickTock | 8:a71243b666f9 | 321 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
TickTock | 8:a71243b666f9 | 322 | } else { |
TickTock | 8:a71243b666f9 | 323 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 324 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 325 | LPC_SSP1->DR = u; |
TickTock | 8:a71243b666f9 | 326 | LPC_SSP1->DR = l; |
TickTock | 8:a71243b666f9 | 327 | LPC_SSP1->CR0 |= 0x08UL; // set back to 16 bit |
TickTock | 8:a71243b666f9 | 328 | // we have to wait for SPI IDLE to set CS back to high |
TickTock | 8:a71243b666f9 | 329 | do { |
TickTock | 8:a71243b666f9 | 330 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
TickTock | 8:a71243b666f9 | 331 | } |
TickTock | 8:a71243b666f9 | 332 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 333 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 334 | } |
TickTock | 8:a71243b666f9 | 335 | |
TickTock | 8:a71243b666f9 | 336 | |
TickTock | 8:a71243b666f9 | 337 | void SPI_TFTx2::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) |
TickTock | 8:a71243b666f9 | 338 | { |
TickTock | 8:a71243b666f9 | 339 | wr_reg(0x03, x ); |
TickTock | 8:a71243b666f9 | 340 | wr_reg(0x02, (x >> 8)); |
TickTock | 8:a71243b666f9 | 341 | wr_reg(0x05, x+w-1 ); |
TickTock | 8:a71243b666f9 | 342 | wr_reg(0x04, (x+w-1 >> 8)); |
TickTock | 8:a71243b666f9 | 343 | wr_reg(0x07, y ); |
TickTock | 8:a71243b666f9 | 344 | wr_reg(0x06, ( y >> 8)); |
TickTock | 8:a71243b666f9 | 345 | wr_reg(0x09, ( y+h-1 )); |
TickTock | 8:a71243b666f9 | 346 | wr_reg(0x08, ( y+h-1 >> 8)); |
TickTock | 8:a71243b666f9 | 347 | } |
TickTock | 8:a71243b666f9 | 348 | |
TickTock | 8:a71243b666f9 | 349 | |
TickTock | 8:a71243b666f9 | 350 | void SPI_TFTx2::WindowMax (void) |
TickTock | 8:a71243b666f9 | 351 | { |
TickTock | 8:a71243b666f9 | 352 | window (0, 0, width(), height()); |
TickTock | 8:a71243b666f9 | 353 | } |
TickTock | 8:a71243b666f9 | 354 | |
TickTock | 8:a71243b666f9 | 355 | |
TickTock | 8:a71243b666f9 | 356 | void SPI_TFTx2::cls (void) |
TickTock | 8:a71243b666f9 | 357 | { |
TickTock | 8:a71243b666f9 | 358 | int pixel = ( width() * height()); |
TickTock | 8:a71243b666f9 | 359 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 360 | int dma_count; |
TickTock | 8:a71243b666f9 | 361 | int color = _background; |
TickTock | 8:a71243b666f9 | 362 | #endif |
TickTock | 8:a71243b666f9 | 363 | WindowMax(); |
TickTock | 8:a71243b666f9 | 364 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 365 | |
TickTock | 8:a71243b666f9 | 366 | // The SSEL signal is held low until the spi FIFO is emty. |
TickTock | 8:a71243b666f9 | 367 | // We have to lower the SPI clock for the 8 bit start to get the spi running |
TickTock | 8:a71243b666f9 | 368 | // until the next data word |
TickTock | 8:a71243b666f9 | 369 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 370 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
TickTock | 8:a71243b666f9 | 371 | #endif |
TickTock | 8:a71243b666f9 | 372 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 373 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 374 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 375 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 376 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 377 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 378 | } else { |
TickTock | 8:a71243b666f9 | 379 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 380 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 381 | } |
TickTock | 8:a71243b666f9 | 382 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 383 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 384 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
TickTock | 8:a71243b666f9 | 385 | /* Enable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 386 | LPC_SSP0->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 387 | #endif |
TickTock | 8:a71243b666f9 | 388 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 389 | LPC_SSP0->DR = 0x72; // start byte |
TickTock | 8:a71243b666f9 | 390 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 391 | } else { |
TickTock | 8:a71243b666f9 | 392 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 393 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
TickTock | 8:a71243b666f9 | 394 | /* Enable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 395 | LPC_SSP1->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 396 | #endif |
TickTock | 8:a71243b666f9 | 397 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 398 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 399 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 400 | } |
TickTock | 8:a71243b666f9 | 401 | |
TickTock | 8:a71243b666f9 | 402 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 403 | // start DMA |
TickTock | 8:a71243b666f9 | 404 | do { |
TickTock | 8:a71243b666f9 | 405 | if (pixel > 4095) { |
TickTock | 8:a71243b666f9 | 406 | dma_count = 4095; |
TickTock | 8:a71243b666f9 | 407 | pixel = pixel - 4095; |
TickTock | 8:a71243b666f9 | 408 | } else { |
TickTock | 8:a71243b666f9 | 409 | dma_count = pixel; |
TickTock | 8:a71243b666f9 | 410 | pixel = 0; |
TickTock | 8:a71243b666f9 | 411 | } |
TickTock | 8:a71243b666f9 | 412 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 413 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 414 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
TickTock | 8:a71243b666f9 | 415 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
TickTock | 8:a71243b666f9 | 416 | LPC_GPDMA->DMACSoftSReq = 0x1; // DMA request |
TickTock | 8:a71243b666f9 | 417 | |
TickTock | 8:a71243b666f9 | 418 | do { |
TickTock | 8:a71243b666f9 | 419 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
TickTock | 8:a71243b666f9 | 420 | |
TickTock | 8:a71243b666f9 | 421 | } while (pixel > 0); |
TickTock | 8:a71243b666f9 | 422 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 423 | do { |
TickTock | 8:a71243b666f9 | 424 | } while ((0x0010 & LPC_SSP0->SR) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 425 | /* disable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 426 | LPC_SSP0->DMACR = 0x0; |
TickTock | 8:a71243b666f9 | 427 | } else { |
TickTock | 8:a71243b666f9 | 428 | do { |
TickTock | 8:a71243b666f9 | 429 | } while ((0x0010 & LPC_SSP1->SR) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 430 | /* disable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 431 | LPC_SSP1->DMACR = 0x0; |
TickTock | 8:a71243b666f9 | 432 | } |
TickTock | 8:a71243b666f9 | 433 | #else // no DMA |
TickTock | 8:a71243b666f9 | 434 | unsigned int i; |
TickTock | 8:a71243b666f9 | 435 | for (i = 0; i < ( width() * height()); i++) |
TickTock | 8:a71243b666f9 | 436 | _spi.write(_background); |
TickTock | 8:a71243b666f9 | 437 | #endif |
TickTock | 8:a71243b666f9 | 438 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 439 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 440 | } |
TickTock | 8:a71243b666f9 | 441 | |
TickTock | 8:a71243b666f9 | 442 | void SPI_TFTx2::circle(int x0, int y0, int r, int color) |
TickTock | 8:a71243b666f9 | 443 | { |
TickTock | 8:a71243b666f9 | 444 | |
TickTock | 8:a71243b666f9 | 445 | int draw_x0, draw_y0; |
TickTock | 8:a71243b666f9 | 446 | int draw_x1, draw_y1; |
TickTock | 8:a71243b666f9 | 447 | int draw_x2, draw_y2; |
TickTock | 8:a71243b666f9 | 448 | int draw_x3, draw_y3; |
TickTock | 8:a71243b666f9 | 449 | int draw_x4, draw_y4; |
TickTock | 8:a71243b666f9 | 450 | int draw_x5, draw_y5; |
TickTock | 8:a71243b666f9 | 451 | int draw_x6, draw_y6; |
TickTock | 8:a71243b666f9 | 452 | int draw_x7, draw_y7; |
TickTock | 8:a71243b666f9 | 453 | int xx, yy; |
TickTock | 8:a71243b666f9 | 454 | int di; |
TickTock | 8:a71243b666f9 | 455 | //WindowMax(); |
TickTock | 8:a71243b666f9 | 456 | if (r == 0) { /* no radius */ |
TickTock | 8:a71243b666f9 | 457 | return; |
TickTock | 8:a71243b666f9 | 458 | } |
TickTock | 8:a71243b666f9 | 459 | |
TickTock | 8:a71243b666f9 | 460 | draw_x0 = draw_x1 = x0; |
TickTock | 8:a71243b666f9 | 461 | draw_y0 = draw_y1 = y0 + r; |
TickTock | 8:a71243b666f9 | 462 | if (draw_y0 < height()) { |
TickTock | 8:a71243b666f9 | 463 | pixel(draw_x0, draw_y0, color); /* 90 degree */ |
TickTock | 8:a71243b666f9 | 464 | } |
TickTock | 8:a71243b666f9 | 465 | |
TickTock | 8:a71243b666f9 | 466 | draw_x2 = draw_x3 = x0; |
TickTock | 8:a71243b666f9 | 467 | draw_y2 = draw_y3 = y0 - r; |
TickTock | 8:a71243b666f9 | 468 | if (draw_y2 >= 0) { |
TickTock | 8:a71243b666f9 | 469 | pixel(draw_x2, draw_y2, color); /* 270 degree */ |
TickTock | 8:a71243b666f9 | 470 | } |
TickTock | 8:a71243b666f9 | 471 | |
TickTock | 8:a71243b666f9 | 472 | draw_x4 = draw_x6 = x0 + r; |
TickTock | 8:a71243b666f9 | 473 | draw_y4 = draw_y6 = y0; |
TickTock | 8:a71243b666f9 | 474 | if (draw_x4 < width()) { |
TickTock | 8:a71243b666f9 | 475 | pixel(draw_x4, draw_y4, color); /* 0 degree */ |
TickTock | 8:a71243b666f9 | 476 | } |
TickTock | 8:a71243b666f9 | 477 | |
TickTock | 8:a71243b666f9 | 478 | draw_x5 = draw_x7 = x0 - r; |
TickTock | 8:a71243b666f9 | 479 | draw_y5 = draw_y7 = y0; |
TickTock | 8:a71243b666f9 | 480 | if (draw_x5>=0) { |
TickTock | 8:a71243b666f9 | 481 | pixel(draw_x5, draw_y5, color); /* 180 degree */ |
TickTock | 8:a71243b666f9 | 482 | } |
TickTock | 8:a71243b666f9 | 483 | |
TickTock | 8:a71243b666f9 | 484 | if (r == 1) { |
TickTock | 8:a71243b666f9 | 485 | return; |
TickTock | 8:a71243b666f9 | 486 | } |
TickTock | 8:a71243b666f9 | 487 | |
TickTock | 8:a71243b666f9 | 488 | di = 3 - 2*r; |
TickTock | 8:a71243b666f9 | 489 | xx = 0; |
TickTock | 8:a71243b666f9 | 490 | yy = r; |
TickTock | 8:a71243b666f9 | 491 | while (xx < yy) { |
TickTock | 8:a71243b666f9 | 492 | |
TickTock | 8:a71243b666f9 | 493 | if (di < 0) { |
TickTock | 8:a71243b666f9 | 494 | di += 4*xx + 6; |
TickTock | 8:a71243b666f9 | 495 | } else { |
TickTock | 8:a71243b666f9 | 496 | di += 4*(xx - yy) + 10; |
TickTock | 8:a71243b666f9 | 497 | yy--; |
TickTock | 8:a71243b666f9 | 498 | draw_y0--; |
TickTock | 8:a71243b666f9 | 499 | draw_y1--; |
TickTock | 8:a71243b666f9 | 500 | draw_y2++; |
TickTock | 8:a71243b666f9 | 501 | draw_y3++; |
TickTock | 8:a71243b666f9 | 502 | draw_x4--; |
TickTock | 8:a71243b666f9 | 503 | draw_x5++; |
TickTock | 8:a71243b666f9 | 504 | draw_x6--; |
TickTock | 8:a71243b666f9 | 505 | draw_x7++; |
TickTock | 8:a71243b666f9 | 506 | } |
TickTock | 8:a71243b666f9 | 507 | xx++; |
TickTock | 8:a71243b666f9 | 508 | draw_x0++; |
TickTock | 8:a71243b666f9 | 509 | draw_x1--; |
TickTock | 8:a71243b666f9 | 510 | draw_x2++; |
TickTock | 8:a71243b666f9 | 511 | draw_x3--; |
TickTock | 8:a71243b666f9 | 512 | draw_y4++; |
TickTock | 8:a71243b666f9 | 513 | draw_y5++; |
TickTock | 8:a71243b666f9 | 514 | draw_y6--; |
TickTock | 8:a71243b666f9 | 515 | draw_y7--; |
TickTock | 8:a71243b666f9 | 516 | |
TickTock | 8:a71243b666f9 | 517 | if ( (draw_x0 <= width()) && (draw_y0>=0) ) { |
TickTock | 8:a71243b666f9 | 518 | pixel(draw_x0, draw_y0, color); |
TickTock | 8:a71243b666f9 | 519 | } |
TickTock | 8:a71243b666f9 | 520 | |
TickTock | 8:a71243b666f9 | 521 | if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) { |
TickTock | 8:a71243b666f9 | 522 | pixel(draw_x1, draw_y1, color); |
TickTock | 8:a71243b666f9 | 523 | } |
TickTock | 8:a71243b666f9 | 524 | |
TickTock | 8:a71243b666f9 | 525 | if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) { |
TickTock | 8:a71243b666f9 | 526 | pixel(draw_x2, draw_y2, color); |
TickTock | 8:a71243b666f9 | 527 | } |
TickTock | 8:a71243b666f9 | 528 | |
TickTock | 8:a71243b666f9 | 529 | if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) { |
TickTock | 8:a71243b666f9 | 530 | pixel(draw_x3, draw_y3, color); |
TickTock | 8:a71243b666f9 | 531 | } |
TickTock | 8:a71243b666f9 | 532 | |
TickTock | 8:a71243b666f9 | 533 | if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) { |
TickTock | 8:a71243b666f9 | 534 | pixel(draw_x4, draw_y4, color); |
TickTock | 8:a71243b666f9 | 535 | } |
TickTock | 8:a71243b666f9 | 536 | |
TickTock | 8:a71243b666f9 | 537 | if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) { |
TickTock | 8:a71243b666f9 | 538 | pixel(draw_x5, draw_y5, color); |
TickTock | 8:a71243b666f9 | 539 | } |
TickTock | 8:a71243b666f9 | 540 | if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) { |
TickTock | 8:a71243b666f9 | 541 | pixel(draw_x6, draw_y6, color); |
TickTock | 8:a71243b666f9 | 542 | } |
TickTock | 8:a71243b666f9 | 543 | if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) { |
TickTock | 8:a71243b666f9 | 544 | pixel(draw_x7, draw_y7, color); |
TickTock | 8:a71243b666f9 | 545 | } |
TickTock | 8:a71243b666f9 | 546 | } |
TickTock | 8:a71243b666f9 | 547 | return; |
TickTock | 8:a71243b666f9 | 548 | } |
TickTock | 8:a71243b666f9 | 549 | |
TickTock | 8:a71243b666f9 | 550 | void SPI_TFTx2::fillcircle(int x, int y, int r, int color) |
TickTock | 8:a71243b666f9 | 551 | { |
TickTock | 8:a71243b666f9 | 552 | int i; |
TickTock | 8:a71243b666f9 | 553 | for (i = 0; i <= r; i++) |
TickTock | 8:a71243b666f9 | 554 | circle(x,y,i,color); |
TickTock | 8:a71243b666f9 | 555 | } |
TickTock | 8:a71243b666f9 | 556 | |
TickTock | 8:a71243b666f9 | 557 | |
TickTock | 8:a71243b666f9 | 558 | |
TickTock | 8:a71243b666f9 | 559 | void SPI_TFTx2::hline(int x0, int x1, int y, int color) |
TickTock | 8:a71243b666f9 | 560 | { |
TickTock | 8:a71243b666f9 | 561 | int w,i; |
TickTock | 8:a71243b666f9 | 562 | w = x1 - x0 + 1; |
TickTock | 8:a71243b666f9 | 563 | window(x0,y,w,1); |
TickTock | 8:a71243b666f9 | 564 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 565 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 566 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 567 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 568 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 569 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 570 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 571 | } else { |
TickTock | 8:a71243b666f9 | 572 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 573 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 574 | } |
TickTock | 8:a71243b666f9 | 575 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 576 | for (i = 0; i < ( width() * height()); i++) |
TickTock | 8:a71243b666f9 | 577 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 578 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
TickTock | 8:a71243b666f9 | 579 | /* Enable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 580 | LPC_SSP0->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 581 | #endif |
TickTock | 8:a71243b666f9 | 582 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 583 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 584 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 585 | } else { |
TickTock | 8:a71243b666f9 | 586 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 587 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
TickTock | 8:a71243b666f9 | 588 | /* Enable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 589 | LPC_SSP1->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 590 | #endif |
TickTock | 8:a71243b666f9 | 591 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 592 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 593 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 594 | } |
TickTock | 8:a71243b666f9 | 595 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 596 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 597 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 598 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
TickTock | 8:a71243b666f9 | 599 | LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
TickTock | 8:a71243b666f9 | 600 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
TickTock | 8:a71243b666f9 | 601 | LPC_GPDMA->DMACSoftSReq = 0x1; // start DMA |
TickTock | 8:a71243b666f9 | 602 | do { |
TickTock | 8:a71243b666f9 | 603 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
TickTock | 8:a71243b666f9 | 604 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 605 | do { |
TickTock | 8:a71243b666f9 | 606 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 607 | } else { |
TickTock | 8:a71243b666f9 | 608 | do { |
TickTock | 8:a71243b666f9 | 609 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 610 | } |
TickTock | 8:a71243b666f9 | 611 | #else |
TickTock | 8:a71243b666f9 | 612 | for (i=0; i<w; i++) { |
TickTock | 8:a71243b666f9 | 613 | _spi.write(color); |
TickTock | 8:a71243b666f9 | 614 | } |
TickTock | 8:a71243b666f9 | 615 | |
TickTock | 8:a71243b666f9 | 616 | #endif |
TickTock | 8:a71243b666f9 | 617 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 618 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 619 | WindowMax(); |
TickTock | 8:a71243b666f9 | 620 | return; |
TickTock | 8:a71243b666f9 | 621 | } |
TickTock | 8:a71243b666f9 | 622 | |
TickTock | 8:a71243b666f9 | 623 | void SPI_TFTx2::vline(int x, int y0, int y1, int color) |
TickTock | 8:a71243b666f9 | 624 | { |
TickTock | 8:a71243b666f9 | 625 | int h; |
TickTock | 8:a71243b666f9 | 626 | h = y1 - y0 + 1; |
TickTock | 8:a71243b666f9 | 627 | window(x,y0,1,h); |
TickTock | 8:a71243b666f9 | 628 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 629 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 630 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 631 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 632 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 633 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 634 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 635 | } else { |
TickTock | 8:a71243b666f9 | 636 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 637 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 638 | } |
TickTock | 8:a71243b666f9 | 639 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 640 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 641 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
TickTock | 8:a71243b666f9 | 642 | /* Enable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 643 | LPC_SSP0->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 644 | #endif |
TickTock | 8:a71243b666f9 | 645 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 646 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 647 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 648 | } else { |
TickTock | 8:a71243b666f9 | 649 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 650 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
TickTock | 8:a71243b666f9 | 651 | /* Enable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 652 | LPC_SSP1->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 653 | #endif |
TickTock | 8:a71243b666f9 | 654 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 655 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 656 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 657 | } |
TickTock | 8:a71243b666f9 | 658 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 659 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 660 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 661 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
TickTock | 8:a71243b666f9 | 662 | LPC_GPDMACH0->DMACCControl = h | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
TickTock | 8:a71243b666f9 | 663 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
TickTock | 8:a71243b666f9 | 664 | LPC_GPDMA->DMACSoftSReq = 0x1; |
TickTock | 8:a71243b666f9 | 665 | do { |
TickTock | 8:a71243b666f9 | 666 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
TickTock | 8:a71243b666f9 | 667 | |
TickTock | 8:a71243b666f9 | 668 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 669 | do { |
TickTock | 8:a71243b666f9 | 670 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 671 | } else { |
TickTock | 8:a71243b666f9 | 672 | do { |
TickTock | 8:a71243b666f9 | 673 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 674 | } |
TickTock | 8:a71243b666f9 | 675 | #else |
TickTock | 8:a71243b666f9 | 676 | for (int y=0; y<h; y++) { |
TickTock | 8:a71243b666f9 | 677 | _spi.write(color); |
TickTock | 8:a71243b666f9 | 678 | } |
TickTock | 8:a71243b666f9 | 679 | #endif |
TickTock | 8:a71243b666f9 | 680 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 681 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 682 | WindowMax(); |
TickTock | 8:a71243b666f9 | 683 | return; |
TickTock | 8:a71243b666f9 | 684 | } |
TickTock | 8:a71243b666f9 | 685 | |
TickTock | 8:a71243b666f9 | 686 | void SPI_TFTx2::line(int x0, int y0, int x1, int y1, int color) |
TickTock | 8:a71243b666f9 | 687 | { |
TickTock | 8:a71243b666f9 | 688 | //WindowMax(); |
TickTock | 8:a71243b666f9 | 689 | int dx = 0, dy = 0; |
TickTock | 8:a71243b666f9 | 690 | int dx_sym = 0, dy_sym = 0; |
TickTock | 8:a71243b666f9 | 691 | int dx_x2 = 0, dy_x2 = 0; |
TickTock | 8:a71243b666f9 | 692 | int di = 0; |
TickTock | 8:a71243b666f9 | 693 | |
TickTock | 8:a71243b666f9 | 694 | dx = x1-x0; |
TickTock | 8:a71243b666f9 | 695 | dy = y1-y0; |
TickTock | 8:a71243b666f9 | 696 | |
TickTock | 12:ff509eb02e37 | 697 | // vline and hline are very slow for some reason so not using |
TickTock | 12:ff509eb02e37 | 698 | //if (dx == 0) { /* vertical line */ |
TickTock | 12:ff509eb02e37 | 699 | // if (y1 > y0) vline(x0,y0,y1,color); |
TickTock | 12:ff509eb02e37 | 700 | // else vline(x0,y1,y0,color); |
TickTock | 12:ff509eb02e37 | 701 | // return; |
TickTock | 12:ff509eb02e37 | 702 | //} |
TickTock | 8:a71243b666f9 | 703 | |
TickTock | 8:a71243b666f9 | 704 | if (dx > 0) { |
TickTock | 8:a71243b666f9 | 705 | dx_sym = 1; |
TickTock | 8:a71243b666f9 | 706 | } else { |
TickTock | 8:a71243b666f9 | 707 | dx_sym = -1; |
TickTock | 8:a71243b666f9 | 708 | } |
TickTock | 12:ff509eb02e37 | 709 | //if (dy == 0) { /* horizontal line */ |
TickTock | 12:ff509eb02e37 | 710 | // if (x1 > x0) hline(x0,x1,y0,color); |
TickTock | 12:ff509eb02e37 | 711 | // else hline(x1,x0,y0,color); |
TickTock | 12:ff509eb02e37 | 712 | // return; |
TickTock | 12:ff509eb02e37 | 713 | //} |
TickTock | 8:a71243b666f9 | 714 | |
TickTock | 8:a71243b666f9 | 715 | if (dy > 0) { |
TickTock | 8:a71243b666f9 | 716 | dy_sym = 1; |
TickTock | 8:a71243b666f9 | 717 | } else { |
TickTock | 8:a71243b666f9 | 718 | dy_sym = -1; |
TickTock | 8:a71243b666f9 | 719 | } |
TickTock | 8:a71243b666f9 | 720 | |
TickTock | 8:a71243b666f9 | 721 | dx = dx_sym*dx; |
TickTock | 8:a71243b666f9 | 722 | dy = dy_sym*dy; |
TickTock | 8:a71243b666f9 | 723 | |
TickTock | 8:a71243b666f9 | 724 | dx_x2 = dx*2; |
TickTock | 8:a71243b666f9 | 725 | dy_x2 = dy*2; |
TickTock | 8:a71243b666f9 | 726 | |
TickTock | 8:a71243b666f9 | 727 | if (dx >= dy) { |
TickTock | 8:a71243b666f9 | 728 | di = dy_x2 - dx; |
TickTock | 8:a71243b666f9 | 729 | while (x0 != x1) { |
TickTock | 8:a71243b666f9 | 730 | |
TickTock | 8:a71243b666f9 | 731 | pixel(x0, y0, color); |
TickTock | 8:a71243b666f9 | 732 | x0 += dx_sym; |
TickTock | 8:a71243b666f9 | 733 | if (di<0) { |
TickTock | 8:a71243b666f9 | 734 | di += dy_x2; |
TickTock | 8:a71243b666f9 | 735 | } else { |
TickTock | 8:a71243b666f9 | 736 | di += dy_x2 - dx_x2; |
TickTock | 8:a71243b666f9 | 737 | y0 += dy_sym; |
TickTock | 8:a71243b666f9 | 738 | } |
TickTock | 8:a71243b666f9 | 739 | } |
TickTock | 8:a71243b666f9 | 740 | pixel(x0, y0, color); |
TickTock | 8:a71243b666f9 | 741 | } else { |
TickTock | 8:a71243b666f9 | 742 | di = dx_x2 - dy; |
TickTock | 8:a71243b666f9 | 743 | while (y0 != y1) { |
TickTock | 8:a71243b666f9 | 744 | pixel(x0, y0, color); |
TickTock | 8:a71243b666f9 | 745 | y0 += dy_sym; |
TickTock | 8:a71243b666f9 | 746 | if (di < 0) { |
TickTock | 8:a71243b666f9 | 747 | di += dx_x2; |
TickTock | 8:a71243b666f9 | 748 | } else { |
TickTock | 8:a71243b666f9 | 749 | di += dx_x2 - dy_x2; |
TickTock | 8:a71243b666f9 | 750 | x0 += dx_sym; |
TickTock | 8:a71243b666f9 | 751 | } |
TickTock | 8:a71243b666f9 | 752 | } |
TickTock | 8:a71243b666f9 | 753 | pixel(x0, y0, color); |
TickTock | 8:a71243b666f9 | 754 | } |
TickTock | 8:a71243b666f9 | 755 | return; |
TickTock | 8:a71243b666f9 | 756 | } |
TickTock | 8:a71243b666f9 | 757 | |
TickTock | 8:a71243b666f9 | 758 | |
TickTock | 8:a71243b666f9 | 759 | void SPI_TFTx2::rect(int x0, int y0, int x1, int y1, int color) |
TickTock | 8:a71243b666f9 | 760 | { |
TickTock | 8:a71243b666f9 | 761 | |
TickTock | 8:a71243b666f9 | 762 | if (x1 > x0) hline(x0,x1,y0,color); |
TickTock | 8:a71243b666f9 | 763 | else hline(x1,x0,y0,color); |
TickTock | 8:a71243b666f9 | 764 | |
TickTock | 8:a71243b666f9 | 765 | if (y1 > y0) vline(x0,y0,y1,color); |
TickTock | 8:a71243b666f9 | 766 | else vline(x0,y1,y0,color); |
TickTock | 8:a71243b666f9 | 767 | |
TickTock | 8:a71243b666f9 | 768 | if (x1 > x0) hline(x0,x1,y1,color); |
TickTock | 8:a71243b666f9 | 769 | else hline(x1,x0,y1,color); |
TickTock | 8:a71243b666f9 | 770 | |
TickTock | 8:a71243b666f9 | 771 | if (y1 > y0) vline(x1,y0,y1,color); |
TickTock | 8:a71243b666f9 | 772 | else vline(x1,y1,y0,color); |
TickTock | 8:a71243b666f9 | 773 | |
TickTock | 8:a71243b666f9 | 774 | return; |
TickTock | 8:a71243b666f9 | 775 | } |
TickTock | 8:a71243b666f9 | 776 | |
TickTock | 8:a71243b666f9 | 777 | |
TickTock | 8:a71243b666f9 | 778 | |
TickTock | 8:a71243b666f9 | 779 | void SPI_TFTx2::fillrect(int x0, int y0, int x1, int y1, int color) |
TickTock | 8:a71243b666f9 | 780 | { |
TickTock | 8:a71243b666f9 | 781 | |
TickTock | 8:a71243b666f9 | 782 | int h = y1 - y0 + 1; |
TickTock | 8:a71243b666f9 | 783 | int w = x1 - x0 + 1; |
TickTock | 8:a71243b666f9 | 784 | int pixel = h * w; |
TickTock | 8:a71243b666f9 | 785 | int dma_count; |
TickTock | 8:a71243b666f9 | 786 | window(x0,y0,w,h); |
TickTock | 8:a71243b666f9 | 787 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 788 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 789 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 790 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 791 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 792 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 793 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 794 | } else { |
TickTock | 8:a71243b666f9 | 795 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 796 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 797 | } |
TickTock | 8:a71243b666f9 | 798 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 799 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 800 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
TickTock | 8:a71243b666f9 | 801 | /* Enable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 802 | LPC_SSP0->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 803 | #endif |
TickTock | 8:a71243b666f9 | 804 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 805 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 806 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 807 | } else { |
TickTock | 8:a71243b666f9 | 808 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 809 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
TickTock | 8:a71243b666f9 | 810 | /* Enable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 811 | LPC_SSP1->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 812 | #endif |
TickTock | 8:a71243b666f9 | 813 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 814 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 815 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 816 | } |
TickTock | 8:a71243b666f9 | 817 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 818 | do { |
TickTock | 8:a71243b666f9 | 819 | if (pixel > 4095) { |
TickTock | 8:a71243b666f9 | 820 | dma_count = 4095; |
TickTock | 8:a71243b666f9 | 821 | pixel = pixel - 4095; |
TickTock | 8:a71243b666f9 | 822 | } else { |
TickTock | 8:a71243b666f9 | 823 | dma_count = pixel; |
TickTock | 8:a71243b666f9 | 824 | pixel = 0; |
TickTock | 8:a71243b666f9 | 825 | } |
TickTock | 8:a71243b666f9 | 826 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 827 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 828 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)&color; |
TickTock | 8:a71243b666f9 | 829 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) ; // 16 bit transfer , no address increment, interrupt |
TickTock | 8:a71243b666f9 | 830 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
TickTock | 8:a71243b666f9 | 831 | LPC_GPDMA->DMACSoftSReq = 0x1; |
TickTock | 8:a71243b666f9 | 832 | do { |
TickTock | 8:a71243b666f9 | 833 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
TickTock | 8:a71243b666f9 | 834 | |
TickTock | 8:a71243b666f9 | 835 | } while (pixel > 0); |
TickTock | 8:a71243b666f9 | 836 | |
TickTock | 8:a71243b666f9 | 837 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 838 | do { |
TickTock | 8:a71243b666f9 | 839 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 840 | } else { |
TickTock | 8:a71243b666f9 | 841 | do { |
TickTock | 8:a71243b666f9 | 842 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 843 | } |
TickTock | 8:a71243b666f9 | 844 | |
TickTock | 8:a71243b666f9 | 845 | #else // no DMA |
TickTock | 8:a71243b666f9 | 846 | for (int p=0; p<pixel; p++) { |
TickTock | 8:a71243b666f9 | 847 | _spi.write(color); |
TickTock | 8:a71243b666f9 | 848 | } |
TickTock | 8:a71243b666f9 | 849 | #endif |
TickTock | 8:a71243b666f9 | 850 | |
TickTock | 8:a71243b666f9 | 851 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 852 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 853 | WindowMax(); |
TickTock | 8:a71243b666f9 | 854 | return; |
TickTock | 8:a71243b666f9 | 855 | } |
TickTock | 8:a71243b666f9 | 856 | |
TickTock | 8:a71243b666f9 | 857 | |
TickTock | 8:a71243b666f9 | 858 | void SPI_TFTx2::locate(int x, int y) |
TickTock | 8:a71243b666f9 | 859 | { |
TickTock | 8:a71243b666f9 | 860 | char_x = x; |
TickTock | 8:a71243b666f9 | 861 | char_y = y; |
TickTock | 8:a71243b666f9 | 862 | } |
TickTock | 8:a71243b666f9 | 863 | |
TickTock | 8:a71243b666f9 | 864 | |
TickTock | 8:a71243b666f9 | 865 | |
TickTock | 8:a71243b666f9 | 866 | int SPI_TFTx2::columns() |
TickTock | 8:a71243b666f9 | 867 | { |
TickTock | 8:a71243b666f9 | 868 | return width() / font[1]; |
TickTock | 8:a71243b666f9 | 869 | } |
TickTock | 8:a71243b666f9 | 870 | |
TickTock | 8:a71243b666f9 | 871 | |
TickTock | 8:a71243b666f9 | 872 | |
TickTock | 8:a71243b666f9 | 873 | int SPI_TFTx2::rows() |
TickTock | 8:a71243b666f9 | 874 | { |
TickTock | 8:a71243b666f9 | 875 | return height() / font[2]; |
TickTock | 8:a71243b666f9 | 876 | } |
TickTock | 8:a71243b666f9 | 877 | |
TickTock | 8:a71243b666f9 | 878 | |
TickTock | 8:a71243b666f9 | 879 | |
TickTock | 8:a71243b666f9 | 880 | int SPI_TFTx2::_putc(int value) |
TickTock | 8:a71243b666f9 | 881 | { |
TickTock | 8:a71243b666f9 | 882 | if (value == '\n') { // new line |
TickTock | 8:a71243b666f9 | 883 | char_x = 0; |
TickTock | 8:a71243b666f9 | 884 | char_y = char_y + font[2]; |
TickTock | 8:a71243b666f9 | 885 | if (char_y >= height() - font[2]) { |
TickTock | 8:a71243b666f9 | 886 | char_y = 0; |
TickTock | 8:a71243b666f9 | 887 | } |
TickTock | 8:a71243b666f9 | 888 | } else { |
TickTock | 8:a71243b666f9 | 889 | character(char_x, char_y, value); |
TickTock | 8:a71243b666f9 | 890 | } |
TickTock | 8:a71243b666f9 | 891 | return value; |
TickTock | 8:a71243b666f9 | 892 | } |
TickTock | 8:a71243b666f9 | 893 | |
TickTock | 8:a71243b666f9 | 894 | |
TickTock | 8:a71243b666f9 | 895 | |
TickTock | 8:a71243b666f9 | 896 | |
TickTock | 8:a71243b666f9 | 897 | void SPI_TFTx2::character(int x, int y, int c) |
TickTock | 8:a71243b666f9 | 898 | { |
TickTock | 8:a71243b666f9 | 899 | unsigned int hor,vert,offset,bpl,j,i,b,p; |
TickTock | 8:a71243b666f9 | 900 | unsigned char* zeichen; |
TickTock | 8:a71243b666f9 | 901 | unsigned char z,w; |
TickTock | 8:a71243b666f9 | 902 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 903 | unsigned int pixel; |
TickTock | 8:a71243b666f9 | 904 | unsigned int dma_count,dma_off; |
TickTock | 8:a71243b666f9 | 905 | uint16_t *buffer; |
TickTock | 8:a71243b666f9 | 906 | #endif |
TickTock | 8:a71243b666f9 | 907 | |
TickTock | 8:a71243b666f9 | 908 | if ((c < 31) || (c > 127)) return; // test char range |
TickTock | 8:a71243b666f9 | 909 | |
TickTock | 8:a71243b666f9 | 910 | // read font parameter from start of array |
TickTock | 8:a71243b666f9 | 911 | offset = font[0]; // bytes / char |
TickTock | 8:a71243b666f9 | 912 | hor = font[1]; // get hor size of font |
TickTock | 8:a71243b666f9 | 913 | vert = font[2]; // get vert size of font |
TickTock | 8:a71243b666f9 | 914 | bpl = font[3]; // bytes per line |
TickTock | 8:a71243b666f9 | 915 | |
TickTock | 8:a71243b666f9 | 916 | if (char_x + hor > width()) { |
TickTock | 8:a71243b666f9 | 917 | char_x = 0; |
TickTock | 8:a71243b666f9 | 918 | char_y = char_y + vert; |
TickTock | 8:a71243b666f9 | 919 | if (char_y >= height() - font[2]) { |
TickTock | 8:a71243b666f9 | 920 | char_y = 0; |
TickTock | 8:a71243b666f9 | 921 | } |
TickTock | 8:a71243b666f9 | 922 | } |
TickTock | 8:a71243b666f9 | 923 | window(char_x, char_y,hor,vert); // char box |
TickTock | 8:a71243b666f9 | 924 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 925 | |
TickTock | 8:a71243b666f9 | 926 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 927 | pixel = hor * vert; // calculate buffer size |
TickTock | 8:a71243b666f9 | 928 | |
TickTock | 8:a71243b666f9 | 929 | buffer = (uint16_t *) malloc (2*pixel); // we need a buffer for the 16 bit |
TickTock | 8:a71243b666f9 | 930 | if (buffer == NULL) { |
TickTock | 8:a71243b666f9 | 931 | //led = 1; |
TickTock | 8:a71243b666f9 | 932 | //pc.printf("Malloc error !\n\r"); |
TickTock | 8:a71243b666f9 | 933 | return; // error no memory |
TickTock | 8:a71243b666f9 | 934 | } |
TickTock | 8:a71243b666f9 | 935 | |
TickTock | 8:a71243b666f9 | 936 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
TickTock | 8:a71243b666f9 | 937 | w = zeichen[0]; // width of actual char |
TickTock | 8:a71243b666f9 | 938 | p = 0; |
TickTock | 8:a71243b666f9 | 939 | // construct the char into the buffer |
TickTock | 8:a71243b666f9 | 940 | for (j=0; j<vert; j++) { // vert line |
TickTock | 8:a71243b666f9 | 941 | for (i=0; i<hor; i++) { // horz line |
TickTock | 8:a71243b666f9 | 942 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
TickTock | 8:a71243b666f9 | 943 | b = 1 << (j & 0x07); |
TickTock | 8:a71243b666f9 | 944 | if (( z & b ) == 0x00) { |
TickTock | 8:a71243b666f9 | 945 | buffer[p] = _background; |
TickTock | 8:a71243b666f9 | 946 | } else { |
TickTock | 8:a71243b666f9 | 947 | buffer[p] = _foreground; |
TickTock | 8:a71243b666f9 | 948 | } |
TickTock | 8:a71243b666f9 | 949 | p++; |
TickTock | 8:a71243b666f9 | 950 | } |
TickTock | 8:a71243b666f9 | 951 | } |
TickTock | 8:a71243b666f9 | 952 | |
TickTock | 8:a71243b666f9 | 953 | // copy the buffer with DMA SPI to display |
TickTock | 8:a71243b666f9 | 954 | dma_off = 0; // offset for DMA transfer |
TickTock | 8:a71243b666f9 | 955 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 956 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 957 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 958 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 959 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 960 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 961 | } else { |
TickTock | 8:a71243b666f9 | 962 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 963 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 964 | } |
TickTock | 8:a71243b666f9 | 965 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 966 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
TickTock | 8:a71243b666f9 | 967 | /* Enable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 968 | LPC_SSP0->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 969 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 970 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 971 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 972 | } else { |
TickTock | 8:a71243b666f9 | 973 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
TickTock | 8:a71243b666f9 | 974 | /* Enable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 975 | LPC_SSP1->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 976 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 977 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 978 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 979 | } |
TickTock | 8:a71243b666f9 | 980 | |
TickTock | 8:a71243b666f9 | 981 | // start DMA |
TickTock | 8:a71243b666f9 | 982 | do { |
TickTock | 8:a71243b666f9 | 983 | if (pixel > 4095) { // this is a giant font ! |
TickTock | 8:a71243b666f9 | 984 | dma_count = 4095; |
TickTock | 8:a71243b666f9 | 985 | pixel = pixel - 4095; |
TickTock | 8:a71243b666f9 | 986 | } else { |
TickTock | 8:a71243b666f9 | 987 | dma_count = pixel; |
TickTock | 8:a71243b666f9 | 988 | pixel = 0; |
TickTock | 8:a71243b666f9 | 989 | } |
TickTock | 8:a71243b666f9 | 990 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 991 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 992 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t) (buffer + dma_off); |
TickTock | 8:a71243b666f9 | 993 | LPC_GPDMACH0->DMACCControl = dma_count | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
TickTock | 8:a71243b666f9 | 994 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
TickTock | 8:a71243b666f9 | 995 | LPC_GPDMA->DMACSoftSReq = 0x1; |
TickTock | 8:a71243b666f9 | 996 | do { |
TickTock | 8:a71243b666f9 | 997 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
TickTock | 8:a71243b666f9 | 998 | dma_off = dma_off + dma_count; |
TickTock | 8:a71243b666f9 | 999 | } while (pixel > 0); |
TickTock | 8:a71243b666f9 | 1000 | |
TickTock | 8:a71243b666f9 | 1001 | free ((uint16_t *) buffer); |
TickTock | 8:a71243b666f9 | 1002 | |
TickTock | 8:a71243b666f9 | 1003 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 1004 | do { |
TickTock | 8:a71243b666f9 | 1005 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI0 not idle |
TickTock | 8:a71243b666f9 | 1006 | /* disable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 1007 | LPC_SSP0->DMACR = 0x0; |
TickTock | 8:a71243b666f9 | 1008 | } else { |
TickTock | 8:a71243b666f9 | 1009 | do { |
TickTock | 8:a71243b666f9 | 1010 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI1 not idle |
TickTock | 8:a71243b666f9 | 1011 | /* disable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 1012 | LPC_SSP1->DMACR = 0x0; |
TickTock | 8:a71243b666f9 | 1013 | } |
TickTock | 8:a71243b666f9 | 1014 | #else |
TickTock | 8:a71243b666f9 | 1015 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 1016 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 1017 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 1018 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 1019 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 1020 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 1021 | } else { |
TickTock | 8:a71243b666f9 | 1022 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 1023 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 1024 | } |
TickTock | 8:a71243b666f9 | 1025 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 1026 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 1027 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 1028 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 1029 | } else { |
TickTock | 8:a71243b666f9 | 1030 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 1031 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 1032 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 1033 | } |
TickTock | 8:a71243b666f9 | 1034 | zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap |
TickTock | 8:a71243b666f9 | 1035 | w = zeichen[0]; // width of actual char |
TickTock | 8:a71243b666f9 | 1036 | for (j=0; j<vert; j++) { // vert line |
TickTock | 8:a71243b666f9 | 1037 | for (i=0; i<hor; i++) { // horz line |
TickTock | 8:a71243b666f9 | 1038 | z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; |
TickTock | 8:a71243b666f9 | 1039 | b = 1 << (j & 0x07); |
TickTock | 8:a71243b666f9 | 1040 | if (( z & b ) == 0x00) { |
TickTock | 8:a71243b666f9 | 1041 | _spi.write(_background); |
TickTock | 8:a71243b666f9 | 1042 | } else { |
TickTock | 8:a71243b666f9 | 1043 | _spi.write(_foreground); |
TickTock | 8:a71243b666f9 | 1044 | } |
TickTock | 8:a71243b666f9 | 1045 | } |
TickTock | 8:a71243b666f9 | 1046 | } |
TickTock | 8:a71243b666f9 | 1047 | #endif |
TickTock | 8:a71243b666f9 | 1048 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 1049 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 1050 | WindowMax(); |
TickTock | 8:a71243b666f9 | 1051 | if ((w + 2) < hor) { // x offset to next char |
TickTock | 8:a71243b666f9 | 1052 | char_x += w + 2; |
TickTock | 8:a71243b666f9 | 1053 | } else char_x += hor; |
TickTock | 8:a71243b666f9 | 1054 | |
TickTock | 8:a71243b666f9 | 1055 | } |
TickTock | 8:a71243b666f9 | 1056 | |
TickTock | 8:a71243b666f9 | 1057 | |
TickTock | 8:a71243b666f9 | 1058 | void SPI_TFTx2::set_font(unsigned char* f) |
TickTock | 8:a71243b666f9 | 1059 | { |
TickTock | 8:a71243b666f9 | 1060 | font = f; |
TickTock | 8:a71243b666f9 | 1061 | } |
TickTock | 8:a71243b666f9 | 1062 | |
TickTock | 8:a71243b666f9 | 1063 | void SPI_TFTx2::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) |
TickTock | 8:a71243b666f9 | 1064 | { |
TickTock | 8:a71243b666f9 | 1065 | unsigned int j; |
TickTock | 8:a71243b666f9 | 1066 | int padd; |
TickTock | 8:a71243b666f9 | 1067 | unsigned short *bitmap_ptr = (unsigned short *)bitmap; |
TickTock | 8:a71243b666f9 | 1068 | // the lines are padded to multiple of 4 bytes in a bitmap |
TickTock | 8:a71243b666f9 | 1069 | padd = -1; |
TickTock | 8:a71243b666f9 | 1070 | do { |
TickTock | 8:a71243b666f9 | 1071 | padd ++; |
TickTock | 8:a71243b666f9 | 1072 | } while (2*(w + padd)%4 != 0); |
TickTock | 8:a71243b666f9 | 1073 | window(x, y, w, h); |
TickTock | 8:a71243b666f9 | 1074 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 1075 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 1076 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 1077 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 1078 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 1079 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 1080 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 1081 | } else { |
TickTock | 8:a71243b666f9 | 1082 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 1083 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 1084 | } |
TickTock | 8:a71243b666f9 | 1085 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 1086 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 1087 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
TickTock | 8:a71243b666f9 | 1088 | /* Enable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 1089 | LPC_SSP0->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 1090 | #endif |
TickTock | 8:a71243b666f9 | 1091 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 1092 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 1093 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 1094 | |
TickTock | 8:a71243b666f9 | 1095 | } else { |
TickTock | 8:a71243b666f9 | 1096 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 1097 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
TickTock | 8:a71243b666f9 | 1098 | /* Enable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 1099 | LPC_SSP1->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 1100 | #endif |
TickTock | 8:a71243b666f9 | 1101 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 1102 | LPC_SSP1->DR = 0x72; // start Data command |
TickTock | 8:a71243b666f9 | 1103 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 1104 | } |
TickTock | 8:a71243b666f9 | 1105 | |
TickTock | 8:a71243b666f9 | 1106 | bitmap_ptr += ((h - 1)* (w + padd)); |
TickTock | 8:a71243b666f9 | 1107 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 1108 | for (j = 0; j < h; j++) { //Lines |
TickTock | 8:a71243b666f9 | 1109 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 1110 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 1111 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)bitmap_ptr; |
TickTock | 8:a71243b666f9 | 1112 | LPC_GPDMACH0->DMACCControl = w | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
TickTock | 8:a71243b666f9 | 1113 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
TickTock | 8:a71243b666f9 | 1114 | LPC_GPDMA->DMACSoftSReq = 0x1; |
TickTock | 8:a71243b666f9 | 1115 | do { |
TickTock | 8:a71243b666f9 | 1116 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
TickTock | 8:a71243b666f9 | 1117 | |
TickTock | 8:a71243b666f9 | 1118 | bitmap_ptr -= w; |
TickTock | 8:a71243b666f9 | 1119 | bitmap_ptr -= padd; |
TickTock | 8:a71243b666f9 | 1120 | } |
TickTock | 8:a71243b666f9 | 1121 | #else |
TickTock | 8:a71243b666f9 | 1122 | unsigned int i; |
TickTock | 8:a71243b666f9 | 1123 | for (j = 0; j < h; j++) { //Lines |
TickTock | 8:a71243b666f9 | 1124 | for (i = 0; i < w; i++) { // copy pixel data to TFT |
TickTock | 8:a71243b666f9 | 1125 | _spi.write(*bitmap_ptr); // one line |
TickTock | 8:a71243b666f9 | 1126 | bitmap_ptr++; |
TickTock | 8:a71243b666f9 | 1127 | } |
TickTock | 8:a71243b666f9 | 1128 | bitmap_ptr -= 2*w; |
TickTock | 8:a71243b666f9 | 1129 | bitmap_ptr -= padd; |
TickTock | 8:a71243b666f9 | 1130 | } |
TickTock | 8:a71243b666f9 | 1131 | #endif |
TickTock | 8:a71243b666f9 | 1132 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 1133 | do { |
TickTock | 8:a71243b666f9 | 1134 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 1135 | } else { |
TickTock | 8:a71243b666f9 | 1136 | do { |
TickTock | 8:a71243b666f9 | 1137 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 1138 | } |
TickTock | 8:a71243b666f9 | 1139 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 1140 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 1141 | WindowMax(); |
TickTock | 8:a71243b666f9 | 1142 | } |
TickTock | 8:a71243b666f9 | 1143 | |
TickTock | 8:a71243b666f9 | 1144 | |
TickTock | 8:a71243b666f9 | 1145 | int SPI_TFTx2::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) |
TickTock | 8:a71243b666f9 | 1146 | { |
TickTock | 8:a71243b666f9 | 1147 | |
TickTock | 8:a71243b666f9 | 1148 | #define OffsetPixelWidth 18 |
TickTock | 8:a71243b666f9 | 1149 | #define OffsetPixelHeigh 22 |
TickTock | 8:a71243b666f9 | 1150 | #define OffsetFileSize 34 |
TickTock | 8:a71243b666f9 | 1151 | #define OffsetPixData 10 |
TickTock | 8:a71243b666f9 | 1152 | #define OffsetBPP 28 |
TickTock | 8:a71243b666f9 | 1153 | |
TickTock | 8:a71243b666f9 | 1154 | char filename[50]; |
TickTock | 8:a71243b666f9 | 1155 | unsigned char BMP_Header[54]; |
TickTock | 8:a71243b666f9 | 1156 | unsigned short BPP_t; |
TickTock | 8:a71243b666f9 | 1157 | unsigned int PixelWidth,PixelHeigh,start_data; |
TickTock | 8:a71243b666f9 | 1158 | unsigned int i,off; |
TickTock | 8:a71243b666f9 | 1159 | int padd,j; |
TickTock | 8:a71243b666f9 | 1160 | unsigned short *line; |
TickTock | 8:a71243b666f9 | 1161 | |
TickTock | 8:a71243b666f9 | 1162 | // get the filename |
TickTock | 8:a71243b666f9 | 1163 | LocalFileSystem local("local"); |
TickTock | 8:a71243b666f9 | 1164 | sprintf(&filename[0],"/local/"); |
TickTock | 8:a71243b666f9 | 1165 | i=7; |
TickTock | 8:a71243b666f9 | 1166 | while (*Name_BMP!='\0') { |
TickTock | 8:a71243b666f9 | 1167 | filename[i++]=*Name_BMP++; |
TickTock | 8:a71243b666f9 | 1168 | } |
TickTock | 8:a71243b666f9 | 1169 | |
TickTock | 8:a71243b666f9 | 1170 | fprintf(stderr, "filename : %s \n\r",filename); |
TickTock | 8:a71243b666f9 | 1171 | |
TickTock | 8:a71243b666f9 | 1172 | FILE *Image = fopen((const char *)&filename[0], "rb"); // open the bmp file |
TickTock | 8:a71243b666f9 | 1173 | if (!Image) { |
TickTock | 8:a71243b666f9 | 1174 | return(0); // error file not found ! |
TickTock | 8:a71243b666f9 | 1175 | } |
TickTock | 8:a71243b666f9 | 1176 | |
TickTock | 8:a71243b666f9 | 1177 | fread(&BMP_Header[0],1,54,Image); // get the BMP Header |
TickTock | 8:a71243b666f9 | 1178 | |
TickTock | 8:a71243b666f9 | 1179 | if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte |
TickTock | 8:a71243b666f9 | 1180 | fclose(Image); |
TickTock | 8:a71243b666f9 | 1181 | return(-1); // error no BMP file |
TickTock | 8:a71243b666f9 | 1182 | } |
TickTock | 8:a71243b666f9 | 1183 | |
TickTock | 8:a71243b666f9 | 1184 | BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8); |
TickTock | 8:a71243b666f9 | 1185 | if (BPP_t != 0x0010) { |
TickTock | 8:a71243b666f9 | 1186 | fclose(Image); |
TickTock | 8:a71243b666f9 | 1187 | return(-2); // error no 16 bit BMP |
TickTock | 8:a71243b666f9 | 1188 | } |
TickTock | 8:a71243b666f9 | 1189 | |
TickTock | 8:a71243b666f9 | 1190 | PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24); |
TickTock | 8:a71243b666f9 | 1191 | PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24); |
TickTock | 8:a71243b666f9 | 1192 | if (PixelHeigh > height() + y || PixelWidth > width() + x) { |
TickTock | 8:a71243b666f9 | 1193 | fclose(Image); |
TickTock | 8:a71243b666f9 | 1194 | return(-3); // to big |
TickTock | 8:a71243b666f9 | 1195 | } |
TickTock | 8:a71243b666f9 | 1196 | |
TickTock | 8:a71243b666f9 | 1197 | start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24); |
TickTock | 8:a71243b666f9 | 1198 | |
TickTock | 8:a71243b666f9 | 1199 | line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line |
TickTock | 8:a71243b666f9 | 1200 | if (line == NULL) { |
TickTock | 8:a71243b666f9 | 1201 | return(-4); // error no memory |
TickTock | 8:a71243b666f9 | 1202 | } |
TickTock | 8:a71243b666f9 | 1203 | |
TickTock | 8:a71243b666f9 | 1204 | // the bmp lines are padded to multiple of 4 bytes |
TickTock | 8:a71243b666f9 | 1205 | padd = -1; |
TickTock | 8:a71243b666f9 | 1206 | do { |
TickTock | 8:a71243b666f9 | 1207 | padd ++; |
TickTock | 8:a71243b666f9 | 1208 | } while ((PixelWidth * 2 + padd)%4 != 0); |
TickTock | 8:a71243b666f9 | 1209 | |
TickTock | 8:a71243b666f9 | 1210 | |
TickTock | 8:a71243b666f9 | 1211 | //fseek(Image, 70 ,SEEK_SET); |
TickTock | 8:a71243b666f9 | 1212 | window(x, y,PixelWidth ,PixelHeigh); |
TickTock | 8:a71243b666f9 | 1213 | wr_cmd(0x22); |
TickTock | 8:a71243b666f9 | 1214 | if (seldisp == 0) { |
TickTock | 8:a71243b666f9 | 1215 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 1216 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 1217 | } else if (seldisp == 1) { |
TickTock | 8:a71243b666f9 | 1218 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 1219 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 1220 | } else { |
TickTock | 8:a71243b666f9 | 1221 | _cs0 = 0; |
TickTock | 8:a71243b666f9 | 1222 | _cs1 = 0; |
TickTock | 8:a71243b666f9 | 1223 | } |
TickTock | 8:a71243b666f9 | 1224 | |
TickTock | 8:a71243b666f9 | 1225 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 1226 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 1227 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP0->DR; // we send to SSP0 |
TickTock | 8:a71243b666f9 | 1228 | /* Enable SSP0 for DMA. */ |
TickTock | 8:a71243b666f9 | 1229 | LPC_SSP0->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 1230 | #endif |
TickTock | 8:a71243b666f9 | 1231 | LPC_SSP0->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 1232 | LPC_SSP0->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 1233 | LPC_SSP0->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 1234 | |
TickTock | 8:a71243b666f9 | 1235 | } else { |
TickTock | 8:a71243b666f9 | 1236 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 1237 | LPC_GPDMACH0->DMACCDestAddr = (uint32_t)&LPC_SSP1->DR; // we send to SSP1 |
TickTock | 8:a71243b666f9 | 1238 | /* Enable SSP1 for DMA. */ |
TickTock | 8:a71243b666f9 | 1239 | LPC_SSP1->DMACR = 0x2; |
TickTock | 8:a71243b666f9 | 1240 | #endif |
TickTock | 8:a71243b666f9 | 1241 | LPC_SSP1->CR0 &= ~(0x08UL); // set to 8 bit |
TickTock | 8:a71243b666f9 | 1242 | LPC_SSP1->DR = 0x72; // start Data |
TickTock | 8:a71243b666f9 | 1243 | LPC_SSP1->CR0 |= 0x08UL; // set to 16 bit |
TickTock | 8:a71243b666f9 | 1244 | } |
TickTock | 8:a71243b666f9 | 1245 | for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up |
TickTock | 8:a71243b666f9 | 1246 | off = j * (PixelWidth * 2 + padd) + start_data; // start of line |
TickTock | 8:a71243b666f9 | 1247 | fseek(Image, off ,SEEK_SET); |
TickTock | 8:a71243b666f9 | 1248 | fread(line,1,PixelWidth * 2,Image); // read a line - slow ! |
TickTock | 8:a71243b666f9 | 1249 | #if defined USE_DMA |
TickTock | 8:a71243b666f9 | 1250 | LPC_GPDMA->DMACIntTCClear = 0x1; |
TickTock | 8:a71243b666f9 | 1251 | LPC_GPDMA->DMACIntErrClr = 0x1; |
TickTock | 8:a71243b666f9 | 1252 | LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)line; |
TickTock | 8:a71243b666f9 | 1253 | LPC_GPDMACH0->DMACCControl = PixelWidth | (1UL << 18) | (1UL << 21) | (1UL << 31) | DMA_CHANNEL_SRC_INC ; // 16 bit transfer , address increment, interrupt |
TickTock | 8:a71243b666f9 | 1254 | LPC_GPDMACH0->DMACCConfig = DMA_CHANNEL_ENABLE | DMA_TRANSFER_TYPE_M2P | (spi_port ? DMA_DEST_SSP1_TX : DMA_DEST_SSP0_TX); |
TickTock | 8:a71243b666f9 | 1255 | LPC_GPDMA->DMACSoftSReq = 0x1; |
TickTock | 8:a71243b666f9 | 1256 | do { |
TickTock | 8:a71243b666f9 | 1257 | } while ((LPC_GPDMA->DMACRawIntTCStat & 0x01) == 0); // DMA is running |
TickTock | 8:a71243b666f9 | 1258 | #else |
TickTock | 8:a71243b666f9 | 1259 | for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT |
TickTock | 8:a71243b666f9 | 1260 | _spi.write(line[i]); // one 16 bit pixel |
TickTock | 8:a71243b666f9 | 1261 | } |
TickTock | 8:a71243b666f9 | 1262 | #endif |
TickTock | 8:a71243b666f9 | 1263 | } |
TickTock | 8:a71243b666f9 | 1264 | if (spi_port == 0) { // TFT on SSP0 |
TickTock | 8:a71243b666f9 | 1265 | do { |
TickTock | 8:a71243b666f9 | 1266 | } while ((LPC_SSP0->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 1267 | } else { |
TickTock | 8:a71243b666f9 | 1268 | do { |
TickTock | 8:a71243b666f9 | 1269 | } while ((LPC_SSP1->SR & 0x10) == 0x10); // SPI FIFO not empty |
TickTock | 8:a71243b666f9 | 1270 | } |
TickTock | 8:a71243b666f9 | 1271 | _cs0 = 1; |
TickTock | 8:a71243b666f9 | 1272 | _cs1 = 1; |
TickTock | 8:a71243b666f9 | 1273 | free (line); |
TickTock | 8:a71243b666f9 | 1274 | fclose(Image); |
TickTock | 8:a71243b666f9 | 1275 | WindowMax(); |
TickTock | 8:a71243b666f9 | 1276 | return(1); |
dreschpe | 0:de9d1462a835 | 1277 | } |