33 lines
973 B
C
33 lines
973 B
C
/*
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main.c
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hello world example for raspberry pi
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For speedup run this example as root, either wis
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sudo ./main
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or by setting the superuser bit:
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sudo chown root:root ./main
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sudo chmod u+s ./main
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*/
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#include "raspi_gpio_hal.h"
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#include "u8g2.h"
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int main(void)
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{
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u8g2_t u8g2; // a structure which will contain all the data for one display
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u8g2_Setup_sh1107_i2c_seeed_128x128_f(&u8g2, U8G2_R0, u8x8_byte_sw_i2c, u8x8_gpio_and_delay_raspi_gpio_hal); // init u8g2 structure
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u8x8_SetPin(u8g2_GetU8x8(&u8g2), U8X8_PIN_I2C_CLOCK, 5);
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u8x8_SetPin(u8g2_GetU8x8(&u8g2), U8X8_PIN_I2C_DATA, 6);
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u8g2_InitDisplay(&u8g2); // send init sequence to the display, display is in sleep mode after this,
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u8g2_SetPowerSave(&u8g2, 0); // wake up display
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u8g2_ClearBuffer(&u8g2);
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u8g2_SendBuffer(&u8g2);
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u8g2_SetFont(&u8g2, u8g2_font_helvB24_tr);
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u8g2_DrawStr(&u8g2, 0, 50, "Hello");
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u8g2_DrawStr(&u8g2, 0, 100, "World!");
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u8g2_SendBuffer(&u8g2);
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} |