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| 1 /* | 1 /* |
| 2 * Copyright (c) 2015 Gurjant Kalsi <me@gurjantkalsi.com> | 2 * Copyright (c) 2015 Gurjant Kalsi <me@gurjantkalsi.com> |
| 3 * | 3 * |
| 4 * Permission is hereby granted, free of charge, to any person obtaining | 4 * Permission is hereby granted, free of charge, to any person obtaining |
| 5 * a copy of this software and associated documentation files | 5 * a copy of this software and associated documentation files |
| 6 * (the "Software"), to deal in the Software without restriction, | 6 * (the "Software"), to deal in the Software without restriction, |
| 7 * including without limitation the rights to use, copy, modify, merge, | 7 * including without limitation the rights to use, copy, modify, merge, |
| 8 * publish, distribute, sublicense, and/or sell copies of the Software, | 8 * publish, distribute, sublicense, and/or sell copies of the Software, |
| 9 * and to permit persons to whom the Software is furnished to do so, | 9 * and to permit persons to whom the Software is furnished to do so, |
| 10 * subject to the following conditions: | 10 * subject to the following conditions: |
| 11 * | 11 * |
| 12 * The above copyright notice and this permission notice shall be | 12 * The above copyright notice and this permission notice shall be |
| 13 * included in all copies or substantial portions of the Software. | 13 * included in all copies or substantial portions of the Software. |
| 14 * | 14 * |
| 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | 18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | 19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | 20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | 21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 */ | 22 */ |
| 23 | 23 |
| 24 #include <err.h> | 24 #include <err.h> |
| 25 #include <debug.h> | 25 #include <debug.h> |
| 26 #include <trace.h> | 26 #include <trace.h> |
| 27 #include <rand.h> | 27 #include <rand.h> |
| 28 | 28 |
| 29 #include <dev/display.h> | 29 #include <dev/display.h> |
| 30 #include <lib/gfx.h> | |
| 31 #include <platform/gpio.h> | 30 #include <platform/gpio.h> |
| 32 #include <target/memory_lcd.h> | 31 #include <target/memory_lcd.h> |
| 33 | 32 |
| 34 #if defined (LCD_LS013B7DH06) | 33 #if defined (LCD_LS013B7DH06) |
| 35 #include <target/display/LS013B7DH06.h> | 34 #include <target/display/LS013B7DH06.h> |
| 36 #elif defined (LCD_LS027B7DH01) | 35 #elif defined (LCD_LS027B7DH01) |
| 37 #include <target/display/LS027B7DH01.h> | 36 #include <target/display/LS027B7DH01.h> |
| 37 #elif defined (LCD_LS013B7DH03) |
| 38 #include <target/display/LS013B7DH03.h> |
| 38 #endif | 39 #endif |
| 39 | 40 |
| 40 #define LOCAL_TRACE 0 | 41 #define LOCAL_TRACE 0 |
| 41 | 42 |
| 42 SPI_HandleTypeDef SpiHandle; | 43 SPI_HandleTypeDef SpiHandle; |
| 43 | 44 |
| 44 #define MLCD_WR 0x01 // LCD Write Command | 45 #define MLCD_WR 0x01 // LCD Write Command |
| 45 #define MLCD_CM 0x04 // LCD Clear Memory Command | 46 #define MLCD_CM 0x04 // LCD Clear Memory Command |
| 46 #define MLCD_NO 0x00 // LCD No-op command | 47 #define MLCD_NO 0x00 // LCD No-op command |
| 47 | 48 |
| 48 // 5 bytes used as control bytes, MLCD_BYTES_LINE bytes used to data | 49 // 5 bytes used as control bytes, MLCD_BYTES_LINE bytes used to data |
| 49 #define MLCD_BUF_SIZE (MLCD_BYTES_LINE + 5) | 50 #define MLCD_BUF_SIZE (MLCD_BYTES_LINE + 5) |
| 50 | 51 |
| 51 #define VCOM_HI 0x02 | 52 #define VCOM_HI 0x02 |
| 52 #define VCOM_LO 0x00 | 53 #define VCOM_LO 0x00 |
| 53 | 54 |
| 54 static uint8_t framebuffer[MLCD_HEIGHT *MLCD_WIDTH]; | 55 static uint8_t framebuffer[MLCD_HEIGHT * FB_STRIDE]; |
| 55 static uint8_t vcom_state; | 56 static uint8_t vcom_state; |
| 56 | 57 |
| 57 static void chip_select(bool s) | 58 static void chip_select(bool s) |
| 58 { | 59 { |
| 59 if (s) { | 60 if (s) { |
| 60 gpio_set(GPIO(GPIO_PORT_B, 12), GPIO_PIN_SET); | 61 gpio_set(GPIO(GPIO_PORT_B, 12), GPIO_PIN_SET); |
| 61 } else { | 62 } else { |
| 62 gpio_set(GPIO(GPIO_PORT_B, 12), GPIO_PIN_RESET); | 63 gpio_set(GPIO(GPIO_PORT_B, 12), GPIO_PIN_RESET); |
| 63 } | 64 } |
| 64 } | 65 } |
| (...skipping 85 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 150 | 151 |
| 151 finish: | 152 finish: |
| 152 chip_select(false); | 153 chip_select(false); |
| 153 } | 154 } |
| 154 | 155 |
| 155 status_t display_get_info(struct display_info *info) | 156 status_t display_get_info(struct display_info *info) |
| 156 { | 157 { |
| 157 LTRACEF("display_info %p\n", info); | 158 LTRACEF("display_info %p\n", info); |
| 158 | 159 |
| 159 info->framebuffer = (void *)framebuffer; | 160 info->framebuffer = (void *)framebuffer; |
| 160 info->format = MLCD_GFX_FORMAT; | 161 info->format = FB_FORMAT; |
| 161 info->width = MLCD_WIDTH; | 162 info->width = MLCD_WIDTH; |
| 162 info->height = MLCD_HEIGHT; | 163 info->height = MLCD_HEIGHT; |
| 163 info->stride = MLCD_WIDTH; | 164 info->stride = FB_STRIDE; |
| 164 info->flush = mlcd_flush; | 165 info->flush = mlcd_flush; |
| 165 | 166 |
| 166 return NO_ERROR; | 167 return NO_ERROR; |
| 167 } | 168 } |
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