TFTKit Drivers
Detailed Description
Driver for SSD2119 TFT in Direct Drive or Adress Mapped mode.
Functions |
|
void | SPI_TFT_Init (void) |
Initialize SPI interface to TFT-LCD SSD2119 controller.
|
|
void | SPI_TFT_WriteRegister (uint8_t reg, uint16_t data) |
Write registers to SSD2119 controller.
|
|
bool | TFT_AddressMappedInit (void) |
TFT initialize or reinitialize to Address Mapped Mode Assumes EBI has been configured correctly in BSP_Init(BSP_INIT_DK_EBI)
|
|
void | TFT_DirectGPIOConfig (void) |
GPIO configuration for TFT direct drive.
|
|
bool | TFT_DirectInit (const EBI_TFTInit_TypeDef *tftInit) |
TFT initialization funxction. Assumes EBI has been configured correctly in BSP_Init(BSP_INIT_DK_EBI)
|
|
Variables |
|
static const USART_InitSync_TypeDef | inittft |
static bool | runOnce = true |
static bool | runOnce = true |
Function Documentation
void SPI_TFT_Init | ( | void |
|
) |
Initialize SPI interface to TFT-LCD SSD2119 controller.
- Note
- To enable access, be sure to call the function BSP_PeripheralAccess() before using this interface.
Definition at line
56
of file
tftspi.c
.
References CMU_ClockEnable() , cmuClock_GPIO , cmuClock_HFPER , cmuClock_USART1 , GPIO_PinModeSet() , gpioModeInput , gpioModePushPull , USART_InitSync() , and USART_Reset() .
void SPI_TFT_WriteRegister | ( | uint8_t |
reg,
|
uint16_t |
data
|
||
) |
Write registers to SSD2119 controller.
- Parameters
-
[in] reg
Register to write to [in] data
16-bit data to write into register
- Note
- It is not possible to read back register value through SSD2119 SPI interface.
Definition at line
91
of file
tftspi.c
.
References GPIO_PinOutClear() , GPIO_PinOutSet() , USART_Rx() , and USART_Tx() .
bool TFT_AddressMappedInit | ( | void |
|
) |
TFT initialize or reinitialize to Address Mapped Mode Assumes EBI has been configured correctly in BSP_Init(BSP_INIT_DK_EBI)
- Returns
- true if we should redraw into buffer, false if BC has control over display
Definition at line
48
of file
tftamapped.c
.
References BC_ARB_CTRL_EBI , BC_REGISTER , BC_SPI_DEMUX_SLAVE_AUDIO , BC_SPI_DEMUX_SLAVE_DISPLAY , BC_SSD2119_BASE , BC_UIF_AEM_EFM , BSP_Display_EBI , BSP_Display_Mode8080 , BSP_Display_PowerDisable , BSP_Display_PowerEnable , BSP_Display_ResetAssert , BSP_Display_ResetRelease , BSP_DisplayControl() , BSP_RegisterRead() , BSP_RegisterWrite() , runOnce , and SystemCoreClockGet() .
bool TFT_DirectInit | ( | const EBI_TFTInit_TypeDef * |
tftInit
|
) |
TFT initialization funxction. Assumes EBI has been configured correctly in BSP_Init(BSP_INIT_DK_EBI)
- Parameters
-
[in] tftInit
Pointer to EBI TFT initialization structure
- Returns
- true if we should redraw into buffer, false if BC has control over display
Definition at line
64
of file
tftdirect.c
.
References BC_ARB_CTRL_EBI , BC_REGISTER , BC_UIF_AEM_EFM , BSP_Display_EBI , BSP_Display_ModeGeneric , BSP_Display_PowerDisable , BSP_Display_PowerEnable , BSP_Display_ResetAssert , BSP_Display_ResetRelease , BSP_DisplayControl() , BSP_PeripheralAccess() , BSP_RegisterRead() , BSP_TFT , runOnce , SystemCoreClockGet() , and TFT_DirectGPIOConfig() .
Variable Documentation
|
static |
em_usart.h:131
em_usart.h:186
em_usart.h:109
Set default values for tft synchronous mode init structure
Definition at line
37
of file
tftspi.c
.
|
static |
Flag to indicate that we need to initialize once if starting up in
Definition at line
38
of file
tftdirect.c
.
Referenced by TFT_DirectInit() .
|
static |
Flag to indicate that we need to initialize once if starting up in
Definition at line
39
of file
tftamapped.c
.
Referenced by TFT_AddressMappedInit() .