display.h
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#ifndef ION_DEVICE_DISPLAY_H
#define ION_DEVICE_DISPLAY_H
#include <kandinsky/rect.h>
#include <kandinsky/color.h>
extern "C" {
#include <stddef.h>
}
#include "regs/regs.h"
namespace Ion {
namespace Display {
namespace Device {
/* Pin | Role | Mode | Function | Note
* -----+-------------------+-----------------------+----------|------
* PA2 | LCD D4 | Alternate Function 12 | FSMC_D4 |
* PA3 | LCD D5 | Alternate Function 12 | FSMC_D5 |
* PA4 | LCD D6 | Alternate Function 12 | FSMC_D6 |
* PB12 | LCD D13 | Alternate Function 12 | FSMC_D13 |
* PB14 | LCD power | Output | | LCD controller is powered directly from GPIO
* PD0 | LCD D2 | Alternate Function 12 | FSMC_D2 |
* PD1 | LCD D3 | Alternate Function 12 | FSMC_D3 |
* PD4 | LCD read signal | Alternate Function 12 | FSMC_NOE |
* PD5 | LCD write signal | Alternate Function 12 | FSMC_NWE
* PD7 | LCD chip select | Alternate Function 12 | FSMC_NE1 | Memory bank 1
* PD9 | LCD D14 | Alternate Function 12 | FSMC_D14 |
* PD10 | LCD D15 | Alternate Function 12 | FSMC_D15 |
* PD11 | LCD data/command | Alternate Function 12 | FSMC_A16 | Data/Command is address bit 16
* PD14 | LCD D0 | Alternate Function 12 | FSMC_D0 |
* PD15 | LCD D1 | Alternate Function 12 | FSMC_D1 |
* PE9 | LCD reset | Output | |
* PE10 | LCD D7 | Alternate Function 12 | FSMC_D7 |
* PE11 | LCD D8 | Alternate Function 12 | FSMC_D8 |
* PE12 | LCD D9 | Alternate Function 12 | FSMC_D9 |
* PE13 | LCD D10 | Alternate Function 12 | FSMC_D10 |
* PE14 | LCD D11 | Alternate Function 12 | FSMC_D11 |
* PE15 | LCD D12 | Alternate Function 12 | FSMC_D12 |
*/
void init();
void shutdown();
void initDMA();
void initGPIO();
void shutdownGPIO();
void initFSMC();
void shutdownFSMC();
void initPanel();
void shutdownPanel();
enum class Orientation {
Landscape = 0,
Portrait = 1
};
void setDrawingArea(KDRect r, Orientation o);
void waitForPendingDMAUploadCompletion();
void pushPixels(const KDColor * pixels, size_t numberOfPixels);
void pushColor(KDColor color, size_t numberOfPixels);
void pullPixels(KDColor * pixels, size_t numberOfPixels);
enum class Command : uint16_t {
Nop = 0x00,
Reset = 0x01,
SleepIn = 0x10,
SleepOut = 0x11,
DisplayOff = 0x28,
DisplayOn = 0x29,
ColumnAddressSet = 0x2A,
PageAddressSet = 0x2B,
MemoryWrite = 0x2C,
MemoryRead = 0x2E,
TearingEffectLineOn = 0x35,
MemoryAccessControl = 0x36,
PixelFormatSet = 0x3A,
FrameRateControl = 0xC6
};
constexpr static GPIOPin FSMCPins[] = {
GPIOPin(GPIOA, 2), GPIOPin(GPIOA, 3), GPIOPin(GPIOA, 4), GPIOPin(GPIOB, 12),
GPIOPin(GPIOB, 12), GPIOPin(GPIOD, 0), GPIOPin(GPIOD, 1), GPIOPin(GPIOD, 4),
GPIOPin(GPIOD, 5), GPIOPin(GPIOD, 7), GPIOPin(GPIOD, 9), GPIOPin(GPIOD, 10),
GPIOPin(GPIOD, 11), GPIOPin(GPIOD, 14), GPIOPin(GPIOD, 15), GPIOPin(GPIOE, 10),
GPIOPin(GPIOE, 11), GPIOPin(GPIOE, 12), GPIOPin(GPIOE, 13), GPIOPin(GPIOE, 14),
GPIOPin(GPIOE, 15)
};
constexpr static GPIOPin PowerPin = GPIOPin(GPIOB, 14);
constexpr static GPIOPin ResetPin = GPIOPin(GPIOE, 9);
constexpr static GPIOPin ExtendedCommandPin = GPIOPin(GPIOB, 13);
constexpr static GPIOPin TearingEffectPin = GPIOPin(GPIOB, 10);
constexpr static int FSMCMemoryBank = 1;
constexpr static int FSMCDataCommandAddressBit = 16;
constexpr static uint32_t FSMCBaseAddress = 0x60000000;
constexpr static uint32_t FSMCBankAddress = FSMCBaseAddress + (FSMCMemoryBank-1)*0x04000000;
constexpr static DMA DMAEngine = DMA2;
constexpr static int DMAStream = 0;
static volatile Command * const CommandAddress = (Command *)(FSMCBankAddress);
static volatile uint16_t * const DataAddress = (uint16_t *)(FSMCBankAddress | (1<<(FSMCDataCommandAddressBit+1)));
}
}
}
#endif