void u8g_com_arduino_parallel_write(u8g_t *u8g, uint8_t val)
{
u8g_com_arduino_digital_write(u8g, U8G_PI_D0, val&1);
val >>= 1;
u8g_com_arduino_digital_write(u8g, U8G_PI_D1, val&1);
val >>= 1;
u8g_com_arduino_digital_write(u8g, U8G_PI_D2, val&1);
val >>= 1;
u8g_com_arduino_digital_write(u8g, U8G_PI_D3, val&1);
val >>= 1;
u8g_com_arduino_digital_write(u8g, U8G_PI_D4, val&1);
val >>= 1;
u8g_com_arduino_digital_write(u8g, U8G_PI_D5, val&1);
val >>= 1;
u8g_com_arduino_digital_write(u8g, U8G_PI_D6, val&1);
val >>= 1;
u8g_com_arduino_digital_write(u8g, U8G_PI_D7, val&1);
/* EN cycle time must be 1 micro second, digitalWrite is slow enough to do this */
u8g_Delay(1);
u8g_com_arduino_digital_write(u8g, U8G_PI_EN, HIGH);
u8g_Delay(1);
u8g_MicroDelay(); /* delay by 1000ns, reference: ST7920: 140ns, SBN1661: 100ns */
u8g_com_arduino_digital_write(u8g, U8G_PI_EN, LOW);
u8g_10MicroDelay(); /* ST7920 commands: 72us */
u8g_Delay(2);
}
void display_draw( bool sleep ) {
// Turn on the busy LED:
display_busy( true );
// Blank the display if requested:
if ( sleep ) {
u8g_SleepOn( &u8g );
}
// Render the image:
u8g_FirstPage( &u8g );
do {
// Stop if the draw function doesn't want to continue:
if ( ! ui_draw( &u8g ) ) {
break;
}
} while ( u8g_NextPage( &u8g ) );
u8g_Delay( 100 );
// Turn the display back on if blanking was requested:
if ( sleep ) {
u8g_SleepOff( &u8g );
}
// Turn off the busy LED:
display_busy( false );
}
uint8_t u8g_com_HAL_DUE_shared_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
switch(msg) {
case U8G_COM_MSG_STOP:
break;
case U8G_COM_MSG_INIT:
u8g_SetPILevel_DUE_hw_spi(u8g, U8G_PI_CS, 1);
u8g_SetPILevel_DUE_hw_spi(u8g, U8G_PI_A0, 1);
u8g_SetPIOutput_DUE_hw_spi(u8g, U8G_PI_CS);
u8g_SetPIOutput_DUE_hw_spi(u8g, U8G_PI_A0);
u8g_Delay(5);
spiBegin();
#ifndef SPI_SPEED
#define SPI_SPEED SPI_FULL_SPEED // use same SPI speed as SD card
#endif
spiInit(2);
break;
case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
u8g_SetPILevel_DUE_hw_spi(u8g, U8G_PI_A0, arg_val);
break;
case U8G_COM_MSG_CHIP_SELECT:
u8g_SetPILevel_DUE_hw_spi(u8g, U8G_PI_CS, (arg_val ? 0 : 1));
break;
case U8G_COM_MSG_RESET:
break;
case U8G_COM_MSG_WRITE_BYTE:
spiSend((uint8_t)arg_val);
break;
case U8G_COM_MSG_WRITE_SEQ: {
uint8_t *ptr = (uint8_t*) arg_ptr;
while (arg_val > 0) {
spiSend(*ptr++);
arg_val--;
}
}
break;
case U8G_COM_MSG_WRITE_SEQ_P: {
uint8_t *ptr = (uint8_t*) arg_ptr;
while (arg_val > 0) {
spiSend(*ptr++);
arg_val--;
}
}
break;
}
return 1;
}
//*************************************************************************************
//*************************************************************************************
uint8_t u8g_com_uart_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
{
switch(msg)
{
case U8G_COM_MSG_STOP:
//STOP THE DEVICE
break;
case U8G_COM_MSG_INIT:
//INIT HARDWARE INTERFACES, TIMERS, GPIOS...
u8g_Delay(500);
init_UART3();
//init_LCD(); //set 8 bit etc
break;
case U8G_COM_MSG_ADDRESS:
//SWITCH FROM DATA TO COMMAND MODE (arg_val == 0 for command mode)
// define cmd (arg_val = 0) or data mode (arg_val = 1)
// cmd -
if (arg_val == 0)
{
control = ST7920_CMD;
}
else
{
control = ST7920_DATA;
}
break;
case U8G_COM_MSG_RESET:
//TOGGLE THE RESET PIN ON THE DISPLAY BY THE VALUE IN arg_val
break;
case U8G_COM_MSG_WRITE_BYTE:
//WRITE BYTE TO DEVICE
UART_write_byte(control << 1); //shift RS left, RW == 0 == write
UART_write_byte(arg_val);
u8g_MicroDelay();
break;
case U8G_COM_MSG_WRITE_SEQ:
case U8G_COM_MSG_WRITE_SEQ_P:
//WRITE A SEQUENCE OF BYTES TO THE DEVICE
{
register uint8_t *ptr = arg_ptr;
//UART_write_byte((1 << 2) | (control << 1)); //0x04 for initialization of byte sequence, shift RS left, RW == 0 == write
while( arg_val > 0 )
{
UART_write_byte(control << 1); //shift RS left, RW == 0 == write
UART_write_byte( *ptr);
ptr++;
arg_val--;
}
}
break;
}
return 1;
}
uint8_t u8g_dev_a2_micro_printer_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
{
switch(msg)
{
case U8G_DEV_MSG_INIT:
u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_NONE);
break;
case U8G_DEV_MSG_STOP:
break;
case U8G_DEV_MSG_PAGE_NEXT:
{
uint8_t y, i, j;
uint8_t *ptr;
u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
y = pb->p.page_y0;
ptr = (uint8_t*)pb->buf;
u8g_WriteByte(u8g, dev, 27); /* ESC */
u8g_WriteByte(u8g, dev, 55 ); /* parameter command */
u8g_WriteByte(u8g, dev, 7); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1)*/
u8g_WriteByte(u8g, dev, 160); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
u8g_WriteByte(u8g, dev, 20); /* 0-255 Heating interval,Unit(10us),Default:2(20us)*/
u8g_WriteByte(u8g, dev, 18); /* DC2 */
u8g_WriteByte(u8g, dev, 42 ); /* * */
u8g_WriteByte(u8g, dev, pb->p.page_height );
u8g_WriteByte(u8g, dev, pb->width/8 );
for( i = 0; i < pb->p.page_height; i ++ )
{
for( j = 0; j < pb->width/8; j++ )
{
u8g_WriteByte(u8g, dev, *ptr);
ptr++;
}
u8g_Delay(LINE_DELAY);
y++;
}
/* set parameters back to their default values */
u8g_WriteByte(u8g, dev, 27); /* ESC */
u8g_WriteByte(u8g, dev, 55 ); /* parameter command */
u8g_WriteByte(u8g, dev, 7); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1)*/
u8g_WriteByte(u8g, dev, 80); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
u8g_WriteByte(u8g, dev, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us)*/
}
break;
}
return u8g_dev_pb8h1_base_fn(u8g, dev, msg, arg);
}
int main(void)
{
uint8_t i;
sys_init();
u8g_setup();
for(;;)
{
/*
why do we need two conversons??? seen notes above
*/
for( i = 0; i < 100; i++ )
{
adc_val1 = sys_adc7();
//adc_val1 = sys_adc7();
adc_val2 = sys_diff_adc_2_3(1);
//adc_val2 = sys_diff_adc_2_3(1);
sign = 0;
val = adc_val2;
if ( val >= 512 )
{
sign = 1;
val = 1024-val ;
}
sval = val;
if ( sign != 0 )
sval = -sval;
if ( min > sval )
min = sval;
if ( max < sval )
max = sval;
}
u8g_FirstPage(&u8g);
do
{
draw();
} while ( u8g_NextPage(&u8g) );
u8g_Delay(10);
}
}
int main(void)
{
sys_init();
u8g_setup();
for(;;)
{
u8g_FirstPage(&u8g);
do
{
draw();
} while ( u8g_NextPage(&u8g) );
u8g_Delay(100);
}
}
uint8_t u8g_com_stm32duino_fsmc_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
if (msgInitCount) {
if (msg == U8G_COM_MSG_INIT) msgInitCount--;
if (msgInitCount) return -1;
}
static uint8_t isCommand;
switch (msg) {
case U8G_COM_MSG_STOP:
break;
case U8G_COM_MSG_INIT:
u8g_SetPIOutput(u8g, U8G_PI_RESET);
LCD_IO_Init(u8g->pin_list[U8G_PI_CS], u8g->pin_list[U8G_PI_A0]);
u8g_Delay(100);
if (arg_ptr != NULL)
*((uint32_t *)arg_ptr) = LCD_IO_ReadData(LCD_READ_ID, 3);
isCommand = 0;
break;
case U8G_COM_MSG_ADDRESS: // define cmd (arg_val = 0) or data mode (arg_val = 1)
isCommand = arg_val == 0 ? 1 : 0;
break;
case U8G_COM_MSG_RESET:
u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
break;
case U8G_COM_MSG_WRITE_BYTE:
if (isCommand)
LCD_IO_WriteReg(arg_val);
else
LCD_IO_WriteData((uint16_t)arg_val);
break;
case U8G_COM_MSG_WRITE_SEQ:
for (uint8_t i = 0; i < arg_val; i += 2)
LCD_IO_WriteData(*(uint16_t *)(((uint32_t)arg_ptr) + i));
break;
}
return 1;
}
void main()
{
uint8_t pos = 0;
/*
Please uncomment one of the displays below
Notes:
- "2x", "4x": high speed version, which uses more RAM
- "hw_spi": All hardware SPI devices can be used with software SPI also.
Access type is defined by u8g_com_hw_spi_fn
*/
// u8g_InitComFn(&u8g, &u8g_dev_uc1701_dogs102_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1701_dogs102_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1701_mini12864_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1701_mini12864_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_dogm132_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_dogm128_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_dogm128_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_lm6059_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_lm6059_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_lm6063_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_lm6063_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_nhd_c12864_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_nhd_c12864_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_nhd_c12832_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_64128n_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_st7565_64128n_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1601_c128032_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1601_c128032_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1610_dogxl160_bw_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1610_dogxl160_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1610_dogxl160_2x_bw_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_uc1610_dogxl160_2x_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_pcd8544_84x48_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_pcf8812_96x65_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1325_nhd27oled_bw_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1325_nhd27oled_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1325_nhd27oled_2x_bw_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1325_nhd27oled_2x_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1327_96x96_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1327_96x96_2x_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1322_nhd31oled_bw_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1322_nhd31oled_2x_bw_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1322_nhd31oled_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1322_nhd31oled_2x_gr_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1306_128x64_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1306_128x64_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1309_128x64_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1306_128x32_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1306_128x32_2x_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1351_128x128_332_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1351_128x128_4x_332_hw_spi, u8g_com_hw_spi_fn);
u8g_InitComFn(&u8g, &u8g_dev_ssd1351_128x128_hicolor_hw_spi, u8g_com_hw_spi_fn);
// u8g_InitComFn(&u8g, &u8g_dev_ssd1351_128x128_4x_hicolor_hw_spi, u8g_com_hw_spi_fn);
u8g_SetDefaultForegroundColor(&u8g);
for(;;)
{
/* picture loop */
u8g_FirstPage(&u8g);
do
{
draw(pos);
} while ( u8g_NextPage(&u8g) );
/* refresh screen after some delay */
u8g_Delay(100);
/* update position */
pos++;
pos &= 15;
}
}
/*
sequence := { direct_value | escape_sequence }
direct_value := 0..254
escape_sequence := value_255 | sequence_end | delay | adr | cs | not_used
value_255 := 255 255
sequence_end = 255 254
delay := 255 0..127
adr := 255 0x0e0 .. 0x0ef
cs := 255 0x0d0 .. 0x0df
not_used := 255 101..254
#define U8G_ESC_DLY(x) 255, ((x) & 0x7f)
#define U8G_ESC_CS(x) 255, (0xd0 | ((x)&0x0f))
#define U8G_ESC_ADR(x) 255, (0xe0 | ((x)&0x0f))
#define U8G_ESC_VCC(x) 255, (0xbe | ((x)&0x01))
#define U8G_ESC_END 255, 254
#define U8G_ESC_255 255, 255
#define U8G_ESC_RST(x) 255, (0xc0 | ((x)&0x0f))
*/
uint8_t u8g_WriteEscSeqP(u8g_t *u8g, u8g_dev_t *dev, const uint8_t *esc_seq)
{
uint8_t is_escape = 0;
uint8_t value;
for(;;)
{
value = u8g_pgm_read(esc_seq);
if ( is_escape == 0 )
{
if ( value != 255 )
{
if ( u8g_WriteByte(u8g, dev, value) == 0 )
return 0;
}
else
{
is_escape = 1;
}
}
else
{
if ( value == 255 )
{
if ( u8g_WriteByte(u8g, dev, value) == 0 )
return 0;
}
else if ( value == 254 )
{
break;
}
else if ( value >= 0x0f0 )
{
/* not yet used, do nothing */
}
else if ( value >= 0xe0 )
{
u8g_SetAddress(u8g, dev, value & 0x0f);
}
else if ( value >= 0xd0 )
{
u8g_SetChipSelect(u8g, dev, value & 0x0f);
}
else if ( value >= 0xc0 )
{
u8g_SetResetLow(u8g, dev);
value &= 0x0f;
value <<= 4;
value+=2;
u8g_Delay(value);
u8g_SetResetHigh(u8g, dev);
u8g_Delay(value);
}
else if ( value >= 0xbe )
{
/* not yet implemented */
/* u8g_SetVCC(u8g, dev, value & 0x01); */
}
else if ( value <= 127 )
{
u8g_Delay(value);
}
is_escape = 0;
}
esc_seq++;
}
return 1;
}
uint8_t u8g_dev_rrd_st7920_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
uint8_t i, y;
switch (msg) {
case U8G_DEV_MSG_INIT: {
OUT_WRITE(ST7920_CS_PIN, LOW);
OUT_WRITE(ST7920_DAT_PIN, LOW);
OUT_WRITE(ST7920_CLK_PIN, HIGH);
ST7920_CS();
u8g_Delay(120); //initial delay for boot up
ST7920_SET_CMD();
ST7920_WRITE_BYTE(0x20); //non-extended mode
ST7920_WRITE_BYTE(0x08); //display off, cursor+blink off
ST7920_WRITE_BYTE(0x01); //clear DDRAM ram
u8g_Delay(15); //delay for DDRAM clear
ST7920_WRITE_BYTE(0x24); //extended mode
ST7920_WRITE_BYTE(0x26); //extended mode + GDRAM active
for (y = 0; y < (LCD_PIXEL_HEIGHT) / 2; y++) { //clear GDRAM
ST7920_WRITE_BYTE(0x80 | y); //set y
ST7920_WRITE_BYTE(0x80); //set x = 0
ST7920_SET_DAT();
for (i = 0; i < 2 * (LCD_PIXEL_WIDTH) / 8; i++) //2x width clears both segments
ST7920_WRITE_BYTE(0);
ST7920_SET_CMD();
}
ST7920_WRITE_BYTE(0x0C); //display on, cursor+blink off
ST7920_NCS();
}
break;
case U8G_DEV_MSG_STOP: break;
case U8G_DEV_MSG_PAGE_NEXT: {
uint8_t* ptr;
u8g_pb_t* pb = (u8g_pb_t*)(dev->dev_mem);
y = pb->p.page_y0;
ptr = (uint8_t*)pb->buf;
ST7920_CS();
for (i = 0; i < PAGE_HEIGHT; i ++) {
ST7920_SET_CMD();
if (y < 32) {
ST7920_WRITE_BYTE(0x80 | y); //y
ST7920_WRITE_BYTE(0x80); //x=0
}
else {
ST7920_WRITE_BYTE(0x80 | (y - 32)); //y
ST7920_WRITE_BYTE(0x80 | 8); //x=64
}
ST7920_SET_DAT();
ST7920_WRITE_BYTES(ptr, (LCD_PIXEL_WIDTH) / 8); //ptr is incremented inside of macro
y++;
}
ST7920_NCS();
}
break;
}
#if PAGE_HEIGHT == 8
return u8g_dev_pb8h1_base_fn(u8g, dev, msg, arg);
#elif PAGE_HEIGHT == 16
return u8g_dev_pb16h1_base_fn(u8g, dev, msg, arg);
#else
return u8g_dev_pb32h1_base_fn(u8g, dev, msg, arg);
#endif
}
