keyboard/qmk/lib/ugfx/boards/addons/gdisp/board_SSD1963_fsmc.h

109 lines
3.5 KiB
C

/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://chibios-gfx.com/license.html
*/
/**
* @file boards/addons/gdisp/board_SSD1963_fsmc.h
* @brief GDISP Graphic Driver subsystem board interface for the SSD1963 display.
*
* @note This file contains a mix of hardware specific and operating system specific
* code. You will need to change it for your CPU and/or operating system.
*/
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
static const LCD_Parameters DisplayTimings[] = {
// You need one of these array elements per display
{
480, 272, // Panel width and height
2, 2, 41, // Horizontal Timings (back porch, front porch, pulse)
CALC_PERIOD(480,2,2,41), // Total Horizontal Period (calculated from above line)
2, 2, 10, // Vertical Timings (back porch, front porch, pulse)
CALC_PERIOD(272,2,2,10), // Total Vertical Period (calculated from above line)
CALC_FPR(480,272,2,2,41,2,2,10,60ULL) // FPR - the 60ULL is the frames per second. Note the ULL!
},
};
// For a multiple display configuration we would put all this in a structure and then
// set g->board to that structure.
/* Using FSMC A16 as RS */
#define GDISP_REG (*((volatile gU16 *) 0x60000000)) /* RS = 0 */
#define GDISP_RAM (*((volatile gU16 *) 0x60020000)) /* RS = 1 */
static GFXINLINE void init_board(GDisplay *g) {
// As we are not using multiple displays we set g->board to NULL as we don't use it.
g->board = 0;
switch(g->controllerdisplay) {
case 0: // Set up for Display 0
#if defined(STM32F1XX) || defined(STM32F3XX)
/* FSMC setup for F1/F3 */
rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
#elif defined(STM32F4XX) || defined(STM32F2XX)
/* STM32F2-F4 FSMC init */
rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0);
#else
#error "FSMC not implemented for this device"
#endif
/* set pins to FSMC mode */
IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 7) | (1 << 8) |
(1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0};
IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) |
(1 << 13) | (1 << 14) | (1 << 15), 0};
palSetBusMode(&busD, PAL_MODE_ALTERNATE(12));
palSetBusMode(&busE, PAL_MODE_ALTERNATE(12));
/* FSMC timing */
FSMC_Bank1->BTCR[0+1] = (FSMC_BTR1_ADDSET_1 | FSMC_BTR1_ADDSET_3) \
| (FSMC_BTR1_DATAST_1 | FSMC_BTR1_DATAST_3) \
| (FSMC_BTR1_BUSTURN_1 | FSMC_BTR1_BUSTURN_3) ;
/* Bank1 NOR/SRAM control register configuration
* This is actually not needed as already set by default after reset */
FSMC_Bank1->BTCR[0] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
break;
}
}
static GFXINLINE void post_init_board(GDisplay *g) {
(void) g;
/* FSMC delay reduced as the controller now runs at full speed */
FSMC_Bank1->BTCR[0+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;
FSMC_Bank1->BTCR[0] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
}
static GFXINLINE void setpin_reset(GDisplay *g, gBool state) {
(void) g;
(void) state;
}
static GFXINLINE void acquire_bus(GDisplay *g) {
(void) g;
}
static GFXINLINE void release_bus(GDisplay *g) {
(void) g;
}
static GFXINLINE void write_index(GDisplay *g, gU16 index) {
(void) g;
GDISP_REG = index;
}
static GFXINLINE void write_data(GDisplay *g, gU16 data) {
(void) g;
GDISP_RAM = data;
}
#endif /* _GDISP_LLD_BOARD_H */