/**************************************************************************//**
* @brief Initialize the LS013B7DH03 display driver
*
* @return EMSTATUS code of the operation.
*****************************************************************************/
bool Display_init(void) {
/* Initialize the Platform Abstraction Layer (PAL) interface. */
PAL_TimerInit();
PAL_SpiInit();
PAL_GpioInit();
/* Setup GPIOs */
PAL_GpioPinModeSet(LCD_PORT_SCLK, LCD_PIN_SCLK, palGpioModePushPull, 0);
PAL_GpioPinModeSet(LCD_PORT_SI, LCD_PIN_SI, palGpioModePushPull, 0);
PAL_GpioPinModeSet(LCD_PORT_SCS, LCD_PIN_SCS, palGpioModePushPull, 0);
PAL_GpioPinModeSet(LCD_PORT_DISP_PWR,LCD_PIN_DISP_PWR,palGpioModePushPull,0);
PAL_GpioPinModeSet(LCD_PORT_EXTCOMIN,LCD_PIN_EXTCOMIN,palGpioModePushPull,0);
/* Setup system (via PAL) to toggle the EXTCOMIN pin every second. */
if (PAL_GpioPinAutoToggle(LCD_PORT_EXTCOMIN, LCD_PIN_EXTCOMIN,
LS013B7DH03_POLARITY_INVERSION_FREQUENCY)
!= PAL_EMSTATUS_OK)
{
return false;
}
Display_enable(true);
Display_clear();
return true;
}
/**************************************************************************//**
* @brief Refresh the LS013B7DH03 display device.
*
* @param[in] device Display device pointer.
*
* @return EMSTATUS code of the operation.
*****************************************************************************/
static EMSTATUS DriverRefresh(DISPLAY_Device_t* device)
{
EMSTATUS status = DISPLAY_EMSTATUS_OK;
(void) device; /* Suppress compiler warning: unused parameter. */
/* Reinitialize the timer and SPI configuration. */
PAL_TimerInit();
PAL_SpiInit();
return status;
}
/**************************************************************************//**
* @brief Refresh the LS013B7DH03 display device.
*
* @param[in] device Display device pointer.
*
* @return EMSTATUS code of the operation.
*****************************************************************************/
static EMSTATUS DriverRefresh(DISPLAY_Device_t* device)
{
EMSTATUS status = DISPLAY_EMSTATUS_OK;
(void) device; /* Suppress compiler warning: unused parameter. */
/* Reinitialize the timer and SPI configuration. */
PAL_TimerInit();
spi_handle = spi_init(0, PAL_SPI_BAUDRATE, 8, false, 0); // TODO defines from platform
lcd_spi_handle = spi_init_slave(spi_handle, A10, false);
return status;
}
/**************************************************************************//**
* @brief Refresh the LS013B7DH03 display device.
*
* @param[in] device Display device pointer.
*
* @return EMSTATUS code of the operation.
*****************************************************************************/
void Display_refresh(void) {
/* Reinitialize the timer and SPI configuration. */
PAL_TimerInit();
PAL_SpiInit();
}
/**************************************************************************//**
* @brief Initialize the LS013B7DH03 display driver
*
* @return EMSTATUS code of the operation.
*****************************************************************************/
EMSTATUS DISPLAY_Ls013b7dh03Init(void)
{
DISPLAY_Device_t display;
EMSTATUS status;
/* Initialize the Platform Abstraction Layer (PAL) interface. */
PAL_TimerInit();
PAL_SpiInit();
PAL_GpioInit();
/* Setup GPIOs */
PAL_GpioPinModeSet(LCD_PORT_SCLK, LCD_PIN_SCLK, palGpioModePushPull,0);
PAL_GpioPinModeSet(LCD_PORT_SI, LCD_PIN_SI, palGpioModePushPull,0);
PAL_GpioPinModeSet(LCD_PORT_SCS, LCD_PIN_SCS, palGpioModePushPull,0);
#if defined( LCD_PORT_DISP_SEL )
PAL_GpioPinModeSet(LCD_PORT_DISP_SEL,LCD_PIN_DISP_SEL,palGpioModePushPull,0);
#endif
#if defined( LCD_PORT_DISP_PWR )
PAL_GpioPinModeSet(LCD_PORT_DISP_PWR,LCD_PIN_DISP_PWR,palGpioModePushPull,0);
#endif
#if defined( LCD_PORT_EXTMODE )
PAL_GpioPinModeSet(LCD_PORT_EXTMODE, LCD_PIN_EXTMODE, palGpioModePushPull,0);
#endif
PAL_GpioPinModeSet(LCD_PORT_EXTCOMIN,LCD_PIN_EXTCOMIN,palGpioModePushPull,0);
#ifdef PAL_TIMER_REPEAT_FUNCTION
/* If the platform specifies to use a timer repeat function we should
register the DisplayPolarityInverse to be called every second in
order to toggle the EXTCOMIN pin at 1Hz.
*/
status =
PAL_TimerRepeat((void(*)(void*)) DisplayPolarityInverse, 0,
LS013B7DH03_POLARITY_INVERSION_FREQUENCY);
#elif defined POLARITY_INVERSION_EXTCOMIN_PAL_AUTO_TOGGLE
/* Setup system (via PAL) to toggle the EXTCOMIN pin every second. */
status = PAL_GpioPinAutoToggle(LCD_PORT_EXTCOMIN, LCD_PIN_EXTCOMIN,
LS013B7DH03_POLARITY_INVERSION_FREQUENCY);
#else
/* System does not support toggling the EXTCOMIN pin. Return error. */
return DISPLAY_EMSTATUS_NOT_SUPPORTED;
#endif
if (PAL_EMSTATUS_OK != status)
{
return status;
}
/* Setup and register the LS013B7DH03 as a DISPLAY device now. */
display.name = SHARP_MEMLCD_DEVICE_NAME;
display.colourMode = DISPLAY_COLOUR_MODE_MONOCHROME_INVERSE;
display.addressMode = DISPLAY_ADDRESSING_BY_ROWS_ONLY;
display.geometry.width = LS013B7DH03_WIDTH;
display.geometry.height = LS013B7DH03_HEIGHT;
/* stride = pixels + ctrl bytes */
display.geometry.stride =
display.geometry.width + LS013B7DH03_CONTROL_BYTES*8;
display.pDisplayPowerOn = DisplayEnable;
#ifdef PIXEL_MATRIX_ALLOC_SUPPORT
display.pPixelMatrixAllocate = PixelMatrixAllocate;
display.pPixelMatrixFree = PixelMatrixFree;
#else
display.pPixelMatrixAllocate = NULL;
display.pPixelMatrixFree = NULL;
#endif
display.pPixelMatrixDraw = PixelMatrixDraw;
display.pPixelMatrixClear = PixelMatrixClear;
display.pDriverRefresh = DriverRefresh;
status = DISPLAY_DeviceRegister (&display);
if (DISPLAY_EMSTATUS_OK == status)
{
/* Turn on display. */
DisplayEnable(&display, true);
/* Clear display */
DisplayClear();
}
return status;
}