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176 lines
3.8 KiB

#include <Arduino.h>
#include <SPI.h>
#include "u8x8.h"
uint8_t u8x8_gpio_and_delay_arduino(u8x8_t *u8g2, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
switch(msg)
{
case U8X8_MSG_GPIO_AND_DELAY_INIT:
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
pinMode(13, OUTPUT);
break;
case U8X8_MSG_DELAY_MILLI:
delay(arg_int);
break;
case U8X8_MSG_GPIO_DC:
digitalWrite(9, arg_int);
break;
case U8X8_MSG_GPIO_CS:
digitalWrite(10, arg_int);
break;
case U8X8_MSG_GPIO_RESET:
digitalWrite(8, arg_int);
break;
case U8X8_MSG_GPIO_CLOCK:
digitalWrite(13, arg_int);
break;
case U8X8_MSG_GPIO_DATA:
digitalWrite(11, arg_int);
break;
default:
return 0;
}
return 1;
}
uint8_t u8x8_byte_arduino_hw_spi(u8x8_t *u8g2, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t *data;
switch(msg)
{
case U8X8_MSG_BYTE_SEND:
data = (uint8_t *)arg_ptr;
while( arg_int > 0 )
{
SPI.transfer((uint8_t)*data);
data++;
arg_int--;
}
break;
case U8X8_MSG_BYTE_INIT:
/* disable chipselect */
u8x8_gpio_SetCS(u8g2, u8g2->display_info->chip_disable_level);
/* no wait required here */
/* for SPI: setup correct level of the clock signal */
digitalWrite(13, u8x8_GetSPIClockPhase(u8g2_GetU8x8(u8g2)));
break;
case U8X8_MSG_BYTE_SET_DC:
u8x8_gpio_SetDC(u8g2, arg_int);
break;
case U8X8_MSG_BYTE_START_TRANSFER:
SPI.begin();
SPI.setClockDivider( SPI_CLOCK_DIV2 );
SPI.setDataMode(u8g2->display_info->spi_mode);
SPI.setBitOrder(MSBFIRST);
u8x8_gpio_SetCS(u8g2, u8g2->display_info->chip_enable_level);
u8g2->gpio_and_delay_cb(u8g2, U8X8_MSG_DELAY_NANO, u8g2->display_info->post_chip_enable_wait_ns, NULL);
break;
case U8X8_MSG_BYTE_END_TRANSFER:
u8g2->gpio_and_delay_cb(u8g2, U8X8_MSG_DELAY_NANO, u8g2->display_info->pre_chip_disable_wait_ns, NULL);
u8x8_gpio_SetCS(u8g2, u8g2->display_info->chip_disable_level);
SPI.end();
break;
case U8X8_MSG_BYTE_SET_I2C_ADR:
break;
case U8X8_MSG_BYTE_SET_DEVICE:
break;
default:
return 0;
}
return 1;
}
void u8x8_Setup_UC1701_DOGS102(u8x8_t *u8x8)
{
/* setup defaults */
u8x8_SetupDefaults(u8x8);
/* setup specific callbacks */
u8x8->display_cb = u8x8_d_uc1701_dogs102;
u8x8->cad_cb = u8x8_cad_001;
u8x8->byte_cb = u8x8_byte_8bit_sw_spi;
u8x8->gpio_and_delay_cb = u8x8_gpio_and_delay_arduino;
/* setup display info */
u8x8_SetupMemory(u8x8);
}
void u8x8_Setup_SSD1306_128x64_NONAME(u8x8_t *u8x8)
{
/* setup defaults */
u8x8_SetupDefaults(u8x8);
/* setup specific callbacks */
u8x8->display_cb = u8x8_d_ssd1306_128x64_noname;
u8x8->cad_cb = u8x8_cad_001;
//u8x8->byte_cb = u8x8_byte_arduino_hw_spi;
u8x8->byte_cb = u8x8_byte_8bit_sw_spi;
u8x8->gpio_and_delay_cb = u8x8_gpio_and_delay_arduino;
/* setup display info */
u8x8_SetupMemory(u8x8);
}
u8x8_t u8g2;
uint8_t tile[8] = { 0x0f, 0x0f, 0x0f, 0x0f, 0xf0, 0xf0, 0xf0, 0xf0 };
void setup(void)
{
//u8x8_Setup_UC1701_DOGS102(&u8g2);
u8x8_Setup_SSD1306_128x64_NONAME(&u8g2);
}
void loop(void)
{
u8x8_InitDisplay(&u8g2);
//u8x8_SetFlipMode(&u8g2, 1);
for(;;)
{
u8x8_ClearDisplay(&u8g2);
u8x8_SetPowerSave(&u8g2, 0);
//u8x8_SetContrast(&u8g2, 10);
delay(500);
u8x8_SetFont(&u8g2, u8x8_font_chroma48medium8_r);
u8x8_DrawString(&u8g2, 0, 0, "Hello World");
u8x8_DrawString(&u8g2, 3, 1, "ABCdefg");
u8x8_DrawTile(&u8g2, 1, 1, 1, tile);
u8x8_DrawTile(&u8g2, 2, 2, 1, tile);
u8x8_DrawTile(&u8g2, 3, 3, 1, tile);
u8x8_DrawTile(&u8g2, 4, 4, 1, tile);
u8x8_DrawTile(&u8g2, 5, 5, 1, tile);
u8x8_DrawTile(&u8g2, 6, 6, 1, tile);
delay(2000);
}
}