/////////////////////////////////////////////////////////////////////////////
//! Initializes the BLM_CHEAPO driver
//! Should be called from Init() during startup
//! \param[in] mode currently only mode 0 supported
//! \return < 0 if initialisation failed
/////////////////////////////////////////////////////////////////////////////
s32 BLM_CHEAPO_Init(u32 mode)
{
if( mode != 0 )
return -1; // only mode 0 supported
// initialize J15 pins for open drain mode
MIOS32_BOARD_J15_PortInit(1);
// initialize all J10 pins as inputs with internal Pull-Up
int pin;
for(pin=0; pin<8; ++pin)
MIOS32_BOARD_J10_PinInit(pin, MIOS32_BOARD_PIN_MODE_INPUT_PU);
// initialize all pins of J5A and J5B as outputs in Push-Pull Mode
for(pin=0; pin<8; ++pin)
MIOS32_BOARD_J5_PinInit(pin, MIOS32_BOARD_PIN_MODE_OUTPUT_PP);
int row;
for(row=0; row<NUM_ROWS; ++row) {
button_row[row] = 0xff;
button_row_changed[row] = 0x00;
}
selected_row = 0;
button_debounce_ctr = 0;
button_debounce_reload = 10; // mS
return 0; // no error
}
/////////////////////////////////////////////////////////////////////////////
// Initializes application specific LCD driver
// IN: <mode>: optional configuration
// OUT: returns < 0 if initialisation failed
/////////////////////////////////////////////////////////////////////////////
s32 APP_LCD_Init(u32 mode)
{
// currently only mode 0 supported
if( mode != 0 )
return -1; // unsupported mode
if( MIOS32_BOARD_J15_PortInit(APP_LCD_OUTPUT_MODE) < 0 )
return -2; // failed to initialize J15
#if APP_LCD_USE_J10_FOR_CS
int pin;
for(pin=0; pin<8; ++pin)
MIOS32_BOARD_J10_PinInit(pin, APP_LCD_OUTPUT_MODE ? MIOS32_BOARD_PIN_MODE_OUTPUT_OD : MIOS32_BOARD_PIN_MODE_OUTPUT_PP);
#endif
// set LCD type
mios32_lcd_type = MIOS32_LCD_TYPE_GLCD;
// initialize LCD
APP_LCD_Cmd(0xa8); // Set MUX Ratio
APP_LCD_Cmd(0x3f);
APP_LCD_Cmd(0xd3); // Set Display Offset
APP_LCD_Cmd(0x00);
APP_LCD_Cmd(0x40); // Set Display Start Line
APP_LCD_Cmd(0xa0); // Set Segment re-map
APP_LCD_Cmd(0xc0); // Set COM Output Scan Direction
APP_LCD_Cmd(0xda); // Set COM Pins hardware configuration
APP_LCD_Cmd(0x12);
APP_LCD_Cmd(0x81); // Set Contrast Control
APP_LCD_Cmd(0x7f); // middle
APP_LCD_Cmd(0xa4); // Disable Entiere Display On
APP_LCD_Cmd(0xa6); // Set Normal Display
APP_LCD_Cmd(0xd5); // Set OSC Frequency
APP_LCD_Cmd(0x80);
APP_LCD_Cmd(0x8d); // Enable charge pump regulator
APP_LCD_Cmd(0x14);
APP_LCD_Cmd(0xaf); // Display On
APP_LCD_Cmd(0x20); // Enable Page mode
APP_LCD_Cmd(0x02);
return (display_available & (1 << mios32_lcd_device)) ? 0 : -1; // return -1 if display not available
}
/////////////////////////////////////////////////////////////////////////////
// Initializes application specific VFD driver
// IN: <mode>: optional configuration
// OUT: returns < 0 if initialisation failed
/////////////////////////////////////////////////////////////////////////////
s32 APP_LCD_Init(u32 mode)
{
MIOS32_BOARD_J15_PortInit(APP_LCD_OUTPUT_MODE);
MIOS32_BOARD_J15_RS_Set(0);
MIOS32_BOARD_J15_RW_Set(0);
APP_LCD_Cmd(0b00110011);
APP_LCD_Cmd(0b00110010);
APP_LCD_Cmd(0b00101000); // 4bit, 2 lines
APP_LCD_Cmd(0b00001100); // display on, cursor off, char blinking off
APP_LCD_Cmd(0b00000110); // entry mode
APP_LCD_Cmd(0b00000001); // clear
return 0;
}
/////////////////////////////////////////////////////////////////////////////
// Initializes application specific LCD driver
// IN: <mode>: optional configuration
// OUT: returns < 0 if initialisation failed
/////////////////////////////////////////////////////////////////////////////
s32 APP_LCD_Init(u32 mode)
{
// currently only mode 0 supported
if( mode != 0 )
return -1; // unsupported mode
if( MIOS32_BOARD_J15_PortInit(APP_LCD_OUTPUT_MODE) < 0 )
return -2; // failed to initialize J15
// enable display by default
display_available |= (1 << mios32_lcd_device);
// set LCD type
mios32_lcd_parameters.lcd_type = MIOS32_LCD_TYPE_GLCD_CUSTOM;
mios32_lcd_parameters.num_x = APP_LCD_NUM_X;
mios32_lcd_parameters.width = APP_LCD_WIDTH;
mios32_lcd_parameters.num_x = APP_LCD_NUM_Y;
mios32_lcd_parameters.height = APP_LCD_HEIGHT;
mios32_lcd_parameters.colour_depth = APP_LCD_COLOUR_DEPTH;
// initialize LCD
#ifdef MIOS32_DONT_USE_DELAY
u32 delay;
for(delay=0; delay<50000; ++delay) MIOS32_BOARD_J15_RW_Set(0); // ca. 50 mS Delay
#else
MIOS32_DELAY_Wait_uS(50000); // exact 50 mS delay
#endif
APP_LCD_Cmd(0xf1);
APP_LCD_Cmd(0x67);
APP_LCD_Cmd(0xc0);
APP_LCD_Cmd(0x40);
APP_LCD_Cmd(0x50);
APP_LCD_Cmd(0x2b);
APP_LCD_Cmd(0xeb);
APP_LCD_Cmd(0x81);
APP_LCD_Cmd(0x58); // contrast(0x00-0xff Default 0x5f
APP_LCD_Cmd(0x89);
//APP_LCD_Cmd(0xd0); //Greyscale control
APP_LCD_Cmd(0xaf);
return (display_available & (1 << mios32_lcd_device)) ? 0 : -1; // return -1 if display not available
}
