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/* |
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Copyright 2016 Fred Sundvik <fsundvik@gmail.com> |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef _GDISP_LLD_BOARD_H |
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#define _GDISP_LLD_BOARD_H |
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static const I2CConfig i2ccfg = { |
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400000 // clock speed (Hz); 400kHz max for IS31 |
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}; |
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static const uint8_t led_mask[] = { |
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0xFF, 0x00, /* C1-1 -> C1-16 */ |
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0xFF, 0x00, /* C2-1 -> C2-16 */ |
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0xFF, 0x00, /* C3-1 -> C3-16 */ |
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0xFF, 0x00, /* C4-1 -> C4-16 */ |
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0xFF, 0x00, /* C5-1 -> C5-16 */ |
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0xFF, 0x00, /* C6-1 -> C6-16 */ |
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0xFF, 0x00, /* C7-1 -> C7-16 */ |
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0xFF, 0x00, /* C8-1 -> C8-16 */ |
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0xFF, 0x00, /* C9-1 -> C9-16 */ |
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}; |
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// The address of the LED |
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#define LA(c, r) (c + r * 16 ) |
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// Need to be an address that is not mapped, but inside the range of the controller matrix |
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#define NA LA(8, 8) |
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// The numbers in the comments are the led numbers DXX on the PCB |
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// The mapping is taken from the schematic of left hand side |
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static const uint8_t led_mapping[GDISP_SCREEN_HEIGHT][GDISP_SCREEN_WIDTH] = { |
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// 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 |
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{ LA(0, 0), LA(1, 0), LA(2, 0), LA(3, 0), LA(4, 0), LA(5, 0), LA(6, 0), LA(7, 0), LA(0, 1), LA(1, 1), LA(2, 1), LA(3, 1), LA(4, 1), LA(5, 1), LA(6, 1), LA(7, 1)}, |
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// 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 |
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{ LA(0, 2), LA(1, 2), LA(2, 2), LA(3, 2), LA(4, 2), LA(5, 2), LA(6, 2), LA(7, 2), LA(0, 3), LA(1, 3), NA, LA(2, 3), LA(3, 3), LA(4, 3), LA(5, 3), LA(6, 3)}, |
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// 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 |
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{ LA(7, 3), LA(0, 4), LA(1, 4), LA(2, 4), LA(3, 4), LA(4, 4), LA(5, 4), LA(6, 4), LA(7, 4), LA(0, 5), NA, LA(1, 5), LA(2, 5), LA(3, 5), LA(4, 5), LA(5, 5)}, |
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// 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 |
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{ LA(6, 5), LA(7, 5), LA(0, 6), LA(1, 6), LA(2, 6), LA(3, 6), LA(4, 6), LA(5, 6), LA(6, 6), LA(7, 6), NA, LA(0, 7), LA(1, 7), LA(2, 7), LA(3, 7), LA(4, 7)}, |
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// 62 63 64 65 66 67 68 69 70 71 |
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{ LA(5, 7), LA(6, 7), LA(7, 7), NA, NA, NA, LA(0, 8), NA, NA, NA, LA(1, 8), LA(2, 8), LA(3, 8), LA(4, 8), LA(5, 8), LA(6, 8)}, |
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}; |
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#define IS31_ADDR_DEFAULT 0x74 // AD connected to GND |
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#define IS31_TIMEOUT 5000 |
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static GFXINLINE void init_board(GDisplay *g) { |
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(void) g; |
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/* I2C pins */ |
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palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATIVE_2); // PTB0/I2C0/SCL |
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palSetPadMode(GPIOB, 1, PAL_MODE_ALTERNATIVE_2); // PTB1/I2C0/SDA |
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palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL); |
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palClearPad(GPIOB, 16); |
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/* start I2C */ |
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i2cStart(&I2CD1, &i2ccfg); |
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// try high drive (from kiibohd) |
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I2CD1.i2c->C2 |= I2Cx_C2_HDRS; |
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// try glitch fixing (from kiibohd) |
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I2CD1.i2c->FLT = 4; |
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} |
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static GFXINLINE void post_init_board(GDisplay *g) { |
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(void) g; |
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} |
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static GFXINLINE const uint8_t* get_led_mask(GDisplay* g) { |
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(void) g; |
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return led_mask; |
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} |
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static GFXINLINE uint8_t get_led_address(GDisplay* g, uint16_t x, uint16_t y) |
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{ |
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(void) g; |
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return led_mapping[y][x]; |
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} |
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static GFXINLINE void set_hardware_shutdown(GDisplay* g, bool shutdown) { |
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(void) g; |
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if(!shutdown) { |
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palSetPad(GPIOB, 16); |
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} |
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else { |
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palClearPad(GPIOB, 16); |
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} |
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} |
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static GFXINLINE void write_data(GDisplay *g, uint8_t* data, uint16_t length) { |
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(void) g; |
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i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, data, length, 0, 0, TIME_US2I(IS31_TIMEOUT)); |
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} |
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#endif /* _GDISP_LLD_BOARD_H */ |
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