diff options
Diffstat (limited to 'keyboards/whitefox/drivers')
4 files changed, 459 insertions, 0 deletions
diff --git a/keyboards/whitefox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h new file mode 100644 index 000000000..3dc5327a5 --- /dev/null +++ b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/board_IS31FL3731C.h @@ -0,0 +1,109 @@ +/* +Copyright 2016 Fred Sundvik <fsundvik@gmail.com> + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _GDISP_LLD_BOARD_H +#define _GDISP_LLD_BOARD_H + +static const I2CConfig i2ccfg = { + 400000 // clock speed (Hz); 400kHz max for IS31 +}; + +#define GDISP_SCREEN_WIDTH 16 +#define GDISP_SCREEN_HEIGHT 5 + +static const uint8_t led_mask[] = { + 0xFF, 0x00, /* C1-1 -> C1-16 */ + 0xFF, 0x00, /* C2-1 -> C2-16 */ + 0xFF, 0x00, /* C3-1 -> C3-16 */ + 0xFF, 0x00, /* C4-1 -> C4-16 */ + 0xFF, 0x00, /* C5-1 -> C5-16 */ + 0xFF, 0x00, /* C6-1 -> C6-16 */ + 0xFF, 0x00, /* C7-1 -> C7-16 */ + 0xFF, 0x00, /* C8-1 -> C8-16 */ + 0xFE, 0x00, /* C9-1 -> C9-16 */ +}; + +// The address of the LED +#define LA(c, r) (c + r * 16 ) +// Need to be an address that is not mapped, but inside the range of the controller matrix +#define NA LA(8, 8) + +// The numbers in the comments are the led numbers DXX on the PCB +// The mapping is taken from the schematic of left hand side +static const uint8_t led_mapping[GDISP_SCREEN_HEIGHT][GDISP_SCREEN_WIDTH] = { +// 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + { 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)}, +// 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 + { 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)}, +// 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 + { 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)}, +// 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 + { 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)}, +// 62 63 64 65 66 67 68 69 70 71 + { 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)}, +}; + + +#define IS31_ADDR_DEFAULT 0x74 // AD connected to GND +#define IS31_TIMEOUT 5000 + +static GFXINLINE void init_board(GDisplay *g) { + (void) g; + /* I2C pins */ + palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATIVE_2); // PTB0/I2C0/SCL + palSetPadMode(GPIOB, 1, PAL_MODE_ALTERNATIVE_2); // PTB1/I2C0/SDA + palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL); + palClearPad(GPIOB, 16); + /* start I2C */ + i2cStart(&I2CD1, &i2ccfg); + // try high drive (from kiibohd) + I2CD1.i2c->C2 |= I2Cx_C2_HDRS; + // try glitch fixing (from kiibohd) + I2CD1.i2c->FLT = 4; +} + +static GFXINLINE void post_init_board(GDisplay *g) { + (void) g; +} + +static GFXINLINE const uint8_t* get_led_mask(GDisplay* g) { + (void) g; + return led_mask; +} + +static GFXINLINE uint8_t get_led_address(GDisplay* g, uint16_t x, uint16_t y) +{ + (void) g; + return led_mapping[y][x]; +} + +static GFXINLINE void set_hardware_shutdown(GDisplay* g, bool shutdown) { + (void) g; + if(!shutdown) { + palSetPad(GPIOB, 16); + } + else { + palClearPad(GPIOB, 16); + } +} + +static GFXINLINE void write_data(GDisplay *g, uint8_t* data, uint16_t length) { + (void) g; + i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, data, length, 0, 0, US2ST(IS31_TIMEOUT)); +} + +#endif /* _GDISP_LLD_BOARD_H */ diff --git a/keyboards/whitefox/drivers/gdisp/IS31FL3731C/driver.mk b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/driver.mk new file mode 100644 index 000000000..f32d0d868 --- /dev/null +++ b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/driver.mk @@ -0,0 +1,2 @@ +GFXINC += drivers/gdisp/IS31FL3731C +GFXSRC += drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c diff --git a/keyboards/whitefox/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c new file mode 100644 index 000000000..c807cbd1e --- /dev/null +++ b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/gdisp_IS31FL3731C.c @@ -0,0 +1,312 @@ +/* +Copyright 2016 Fred Sundvik <fsundvik@gmail.com> + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "gfx.h" + +#if GFX_USE_GDISP + +#define GDISP_DRIVER_VMT GDISPVMT_IS31FL3731C_WHITEFOX +#include "drivers/gdisp/IS31FL3731C/gdisp_lld_config.h" +#include "src/gdisp/gdisp_driver.h" + +#include "board_IS31FL3731C.h" + + +// Can't include led_tables from here +extern const uint8_t CIE1931_CURVE[]; + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#ifndef GDISP_SCREEN_HEIGHT + #define GDISP_SCREEN_HEIGHT 9 +#endif +#ifndef GDISP_SCREEN_WIDTH + #define GDISP_SCREEN_WIDTH 16 +#endif +#ifndef GDISP_INITIAL_CONTRAST + #define GDISP_INITIAL_CONTRAST 0 +#endif +#ifndef GDISP_INITIAL_BACKLIGHT + #define GDISP_INITIAL_BACKLIGHT 0 +#endif + +#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER<<0) + +#define IS31_ADDR_DEFAULT 0x74 + +#define IS31_REG_CONFIG 0x00 +// bits in reg +#define IS31_REG_CONFIG_PICTUREMODE 0x00 +#define IS31_REG_CONFIG_AUTOPLAYMODE 0x08 +#define IS31_REG_CONFIG_AUDIOPLAYMODE 0x18 +// D2:D0 bits are starting frame for autoplay mode + +#define IS31_REG_PICTDISP 0x01 // D2:D0 frame select for picture mode + +#define IS31_REG_AUTOPLAYCTRL1 0x02 +// D6:D4 number of loops (000=infty) +// D2:D0 number of frames to be used + +#define IS31_REG_AUTOPLAYCTRL2 0x03 // D5:D0 delay time (*11ms) + +#define IS31_REG_DISPLAYOPT 0x05 +#define IS31_REG_DISPLAYOPT_INTENSITY_SAME 0x20 // same intensity for all frames +#define IS31_REG_DISPLAYOPT_BLINK_ENABLE 0x8 +// D2:D0 bits blink period time (*0.27s) + +#define IS31_REG_AUDIOSYNC 0x06 +#define IS31_REG_AUDIOSYNC_ENABLE 0x1 + +#define IS31_REG_FRAMESTATE 0x07 + +#define IS31_REG_BREATHCTRL1 0x08 +// D6:D4 fade out time (26ms*2^i) +// D2:D0 fade in time (26ms*2^i) + +#define IS31_REG_BREATHCTRL2 0x09 +#define IS31_REG_BREATHCTRL2_ENABLE 0x10 +// D2:D0 extinguish time (3.5ms*2^i) + +#define IS31_REG_SHUTDOWN 0x0A +#define IS31_REG_SHUTDOWN_OFF 0x0 +#define IS31_REG_SHUTDOWN_ON 0x1 + +#define IS31_REG_AGCCTRL 0x0B +#define IS31_REG_ADCRATE 0x0C + +#define IS31_COMMANDREGISTER 0xFD +#define IS31_FUNCTIONREG 0x0B // helpfully called 'page nine' +#define IS31_FUNCTIONREG_SIZE 0xD + +#define IS31_FRAME_SIZE 0xB4 + +#define IS31_PWM_REG 0x24 +#define IS31_PWM_SIZE 0x90 + +#define IS31_LED_MASK_SIZE 0x12 +#define IS31_SCREEN_WIDTH 16 + +#define IS31 + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +typedef struct{ + uint8_t write_buffer_offset; + uint8_t write_buffer[IS31_FRAME_SIZE]; + uint8_t frame_buffer[GDISP_SCREEN_HEIGHT * GDISP_SCREEN_WIDTH]; + uint8_t page; +}__attribute__((__packed__)) PrivData; + +// Some common routines and macros +#define PRIV(g) ((PrivData*)g->priv) + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +static GFXINLINE void write_page(GDisplay* g, uint8_t page) { + uint8_t tx[2] __attribute__((aligned(2))); + tx[0] = IS31_COMMANDREGISTER; + tx[1] = page; + write_data(g, tx, 2); +} + +static GFXINLINE void write_register(GDisplay* g, uint8_t page, uint8_t reg, uint8_t data) { + uint8_t tx[2] __attribute__((aligned(2))); + tx[0] = reg; + tx[1] = data; + write_page(g, page); + write_data(g, tx, 2); +} + +static GFXINLINE void write_ram(GDisplay *g, uint8_t page, uint16_t offset, uint16_t length) { + PRIV(g)->write_buffer_offset = offset; + write_page(g, page); + write_data(g, (uint8_t*)PRIV(g), length + 1); +} + +LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { + // The private area is the display surface. + g->priv = gfxAlloc(sizeof(PrivData)); + __builtin_memset(PRIV(g), 0, sizeof(PrivData)); + PRIV(g)->page = 0; + + // Initialise the board interface + init_board(g); + gfxSleepMilliseconds(10); + + // zero function page, all registers (assuming full_page is all zeroes) + write_ram(g, IS31_FUNCTIONREG, 0, IS31_FUNCTIONREG_SIZE); + set_hardware_shutdown(g, false); + gfxSleepMilliseconds(10); + // software shutdown + write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF); + gfxSleepMilliseconds(10); + // zero function page, all registers + write_ram(g, IS31_FUNCTIONREG, 0, IS31_FUNCTIONREG_SIZE); + gfxSleepMilliseconds(10); + + + // zero all LED registers on all 8 pages, and enable the mask + __builtin_memcpy(PRIV(g)->write_buffer, get_led_mask(g), IS31_LED_MASK_SIZE); + for(uint8_t i=0; i<8; i++) { + write_ram(g, i, 0, IS31_FRAME_SIZE); + gfxSleepMilliseconds(1); + } + + // software shutdown disable (i.e. turn stuff on) + write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF); + gfxSleepMilliseconds(10); + + // Finish Init + post_init_board(g); + + /* Initialise the GDISP structure */ + g->g.Width = GDISP_SCREEN_WIDTH; + g->g.Height = GDISP_SCREEN_HEIGHT; + g->g.Orientation = GDISP_ROTATE_0; + g->g.Powermode = powerOff; + g->g.Backlight = GDISP_INITIAL_BACKLIGHT; + g->g.Contrast = GDISP_INITIAL_CONTRAST; + return TRUE; +} + +#if GDISP_HARDWARE_FLUSH + LLDSPEC void gdisp_lld_flush(GDisplay *g) { + // Don't flush if we don't need it. + if (!(g->flags & GDISP_FLG_NEEDFLUSH)) + return; + + PRIV(g)->page++; + PRIV(g)->page %= 2; + // TODO: some smarter algorithm for this + // We should run only one physical page at a time + // This way we don't need to send so much data, and + // we could use slightly less memory + uint8_t* src = PRIV(g)->frame_buffer; + for (int y=0;y<GDISP_SCREEN_HEIGHT;y++) { + for (int x=0;x<GDISP_SCREEN_WIDTH;x++) { + uint8_t val = (uint16_t)*src * g->g.Backlight / 100; + PRIV(g)->write_buffer[get_led_address(g, x, y)]=CIE1931_CURVE[val]; + ++src; + } + } + write_ram(g, PRIV(g)->page, IS31_PWM_REG, IS31_PWM_SIZE); + gfxSleepMilliseconds(1); + write_register(g, IS31_FUNCTIONREG, IS31_REG_PICTDISP, PRIV(g)->page); + + g->flags &= ~GDISP_FLG_NEEDFLUSH; + } +#endif + +#if GDISP_HARDWARE_DRAWPIXEL + LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) { + coord_t x, y; + + switch(g->g.Orientation) { + default: + case GDISP_ROTATE_0: + x = g->p.x; + y = g->p.y; + break; + case GDISP_ROTATE_180: + x = GDISP_SCREEN_WIDTH-1 - g->p.x; + y = g->p.y; + break; + } + PRIV(g)->frame_buffer[y * GDISP_SCREEN_WIDTH + x] = gdispColor2Native(g->p.color); + g->flags |= GDISP_FLG_NEEDFLUSH; + } +#endif + +#if GDISP_HARDWARE_PIXELREAD + LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) { + coord_t x, y; + + switch(g->g.Orientation) { + default: + case GDISP_ROTATE_0: + x = g->p.x; + y = g->p.y; + break; + case GDISP_ROTATE_180: + x = GDISP_SCREEN_WIDTH-1 - g->p.x; + y = g->p.y; + break; + } + return gdispNative2Color(PRIV(g)->frame_buffer[y * GDISP_SCREEN_WIDTH + x]); + } +#endif + +#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL + LLDSPEC void gdisp_lld_control(GDisplay *g) { + switch(g->p.x) { + case GDISP_CONTROL_POWER: + if (g->g.Powermode == (powermode_t)g->p.ptr) + return; + switch((powermode_t)g->p.ptr) { + case powerOff: + case powerSleep: + case powerDeepSleep: + write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF); + break; + case powerOn: + write_register(g, IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON); + break; + default: + return; + } + g->g.Powermode = (powermode_t)g->p.ptr; + return; + + case GDISP_CONTROL_ORIENTATION: + if (g->g.Orientation == (orientation_t)g->p.ptr) + return; + switch((orientation_t)g->p.ptr) { + /* Rotation is handled by the drawing routines */ + case GDISP_ROTATE_0: + case GDISP_ROTATE_180: + g->g.Height = GDISP_SCREEN_HEIGHT; + g->g.Width = GDISP_SCREEN_WIDTH; + break; + case GDISP_ROTATE_90: + case GDISP_ROTATE_270: + g->g.Height = GDISP_SCREEN_WIDTH; + g->g.Width = GDISP_SCREEN_HEIGHT; + break; + default: + return; + } + g->g.Orientation = (orientation_t)g->p.ptr; + return; + + case GDISP_CONTROL_BACKLIGHT: + if (g->g.Backlight == (unsigned)g->p.ptr) + return; + unsigned val = (unsigned)g->p.ptr; + g->g.Backlight = val > 100 ? 100 : val; + g->flags |= GDISP_FLG_NEEDFLUSH; + return; + } + } +#endif // GDISP_NEED_CONTROL + +#endif // GFX_USE_GDISP diff --git a/keyboards/whitefox/drivers/gdisp/IS31FL3731C/gdisp_lld_config.h b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/gdisp_lld_config.h new file mode 100644 index 000000000..bb28ad775 --- /dev/null +++ b/keyboards/whitefox/drivers/gdisp/IS31FL3731C/gdisp_lld_config.h @@ -0,0 +1,36 @@ +/* +Copyright 2016 Fred Sundvik <fsundvik@gmail.com> + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _GDISP_LLD_CONFIG_H +#define _GDISP_LLD_CONFIG_H + +#if GFX_USE_GDISP + +/*===========================================================================*/ +/* Driver hardware support. */ +/*===========================================================================*/ + +#define GDISP_HARDWARE_FLUSH TRUE // This controller requires flushing +#define GDISP_HARDWARE_DRAWPIXEL TRUE +#define GDISP_HARDWARE_PIXELREAD TRUE +#define GDISP_HARDWARE_CONTROL TRUE + +#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_GRAY256 + +#endif /* GFX_USE_GDISP */ + +#endif /* _GDISP_LLD_CONFIG_H */ |