Driver and example for SSD1306 128x64 I2C display (#254)
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sheinz
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9 changed files with 644 additions and 0 deletions
3
examples/ssd1306_i2c/Makefile
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examples/ssd1306_i2c/Makefile
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PROGRAM=SSD1306_Example
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EXTRA_COMPONENTS = extras/ssd1306 extras/i2c
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include ../../common.mk
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examples/ssd1306_i2c/README.md
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examples/ssd1306_i2c/README.md
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# I2C / SSD1306 OLED LCD Example
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To run this example connect the SSD1306 OLED LCD and configure SDA/SCL pins in ssd1306_i2c.c file.
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examples/ssd1306_i2c/image.xbm
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examples/ssd1306_i2c/image.xbm
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#define image_width 128
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#define image_height 64
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static unsigned char image_bits[] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xf8, 0xc3, 0xc7, 0x0f, 0x00, 0x1e, 0xfc, 0xf0, 0xe7, 0x30, 0xc0, 0x9f,
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0x7f, 0xf0, 0x80, 0x0f, 0x18, 0x30, 0xc4, 0x18, 0x80, 0x61, 0x8c, 0x31,
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0xe0, 0x30, 0xc0, 0x38, 0x0c, 0x0c, 0x63, 0x08, 0x18, 0x30, 0xc0, 0x30,
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0x80, 0x61, 0x0c, 0x33, 0xe0, 0x31, 0xc0, 0x30, 0x0c, 0x0c, 0x63, 0x00,
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0x18, 0xf0, 0xc0, 0x30, 0xc0, 0xc0, 0x0c, 0x33, 0x60, 0x31, 0xc0, 0x30,
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0x0c, 0x06, 0xe6, 0x01, 0xf8, 0xe3, 0xc7, 0x30, 0xc0, 0xc0, 0x0c, 0xf3,
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0x67, 0x33, 0xc0, 0x38, 0x0c, 0x06, 0xc6, 0x0f, 0x18, 0x80, 0xcf, 0x18,
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0xcf, 0xc0, 0x8c, 0x31, 0x60, 0x36, 0xcf, 0x1f, 0x0c, 0x06, 0x06, 0x1f,
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0x18, 0x00, 0xce, 0x0f, 0xcf, 0xc0, 0xfc, 0x30, 0x60, 0x36, 0xcf, 0x18,
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0x0c, 0x06, 0x06, 0x1c, 0x18, 0x00, 0xcc, 0x00, 0x80, 0x61, 0x0c, 0x30,
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0x60, 0x3c, 0xc0, 0x30, 0x0c, 0x0c, 0x03, 0x18, 0x18, 0x10, 0xcc, 0x00,
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0x80, 0x61, 0x0c, 0x30, 0x60, 0x38, 0xc0, 0x30, 0x0c, 0x0c, 0x23, 0x18,
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0xf8, 0xf3, 0xc3, 0x00, 0x00, 0x1e, 0x0c, 0xf0, 0x67, 0x38, 0xc0, 0x60,
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0x0c, 0xf0, 0xe0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x1f, 0xfc, 0x01, 0x1c, 0xf8, 0x81,
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0x0f, 0x78, 0x00, 0x0c, 0x80, 0x1f, 0xfe, 0x00, 0xf0, 0x87, 0x3f, 0xfc,
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0x07, 0x1f, 0xfc, 0xc3, 0x1f, 0xfc, 0x00, 0x0c, 0xe0, 0x3f, 0xfe, 0x03,
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0x38, 0xc4, 0x21, 0x0c, 0x0e, 0x1b, 0x04, 0xc7, 0x18, 0x8e, 0x00, 0x0c,
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0x70, 0x20, 0x06, 0x07, 0x18, 0xc0, 0x00, 0x0c, 0x0c, 0x18, 0x00, 0x66,
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0x30, 0x07, 0x00, 0x0c, 0x30, 0x00, 0x06, 0x06, 0x18, 0xc0, 0x00, 0x0c,
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0x18, 0x18, 0x00, 0x67, 0x30, 0x03, 0x00, 0x0c, 0x18, 0x00, 0x06, 0x0c,
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0xf0, 0x81, 0x0f, 0x0c, 0x18, 0x18, 0xf0, 0x61, 0x30, 0x7b, 0x00, 0x0c,
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0x18, 0x00, 0x06, 0x0c, 0xe0, 0x07, 0x3f, 0x0c, 0x18, 0x18, 0xf0, 0x63,
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0x30, 0xff, 0x00, 0x0c, 0x18, 0x00, 0x06, 0x0c, 0x00, 0x0e, 0x70, 0x0c,
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0x18, 0x18, 0x00, 0x67, 0x30, 0xc7, 0x01, 0x0c, 0x18, 0x00, 0x06, 0x0c,
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0x00, 0x0c, 0x60, 0x0c, 0x18, 0x18, 0x00, 0x66, 0x30, 0x83, 0x01, 0x0c,
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0x18, 0x00, 0x06, 0x0c, 0x00, 0x0c, 0x60, 0x0c, 0x0c, 0x18, 0x00, 0x66,
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0x30, 0x83, 0x01, 0x0c, 0x30, 0x00, 0x06, 0x06, 0x08, 0x4e, 0x70, 0x0c,
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0x0e, 0x18, 0x04, 0xc7, 0x18, 0xc6, 0x01, 0x0c, 0x70, 0x20, 0x06, 0x07,
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0xf8, 0xc7, 0x3f, 0xfc, 0x07, 0xff, 0xfc, 0xc3, 0x1f, 0xfe, 0x00, 0xfc,
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0xe3, 0x3f, 0xfe, 0x03, 0xf0, 0x83, 0x1f, 0xfc, 0x01, 0xff, 0xf8, 0x81,
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0x0f, 0x78, 0x00, 0xfc, 0x83, 0x1f, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x18,
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0x18, 0x7e, 0xc0, 0xe1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
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0x01, 0x00, 0x00, 0x18, 0x18, 0xfe, 0x80, 0x61, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x18, 0x18, 0xc6, 0x81, 0x33,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3d, 0x06, 0x06, 0x18,
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0x18, 0x86, 0x01, 0x3b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
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0x7f, 0x06, 0x06, 0x18, 0x18, 0x86, 0x01, 0x1e, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x80, 0xe3, 0x0c, 0x03, 0x18, 0x18, 0xc6, 0x01, 0x0e,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc1, 0x0c, 0x03, 0x18,
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0x18, 0xfe, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
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0xc1, 0x98, 0x01, 0x18, 0x18, 0x7e, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x80, 0xc1, 0x98, 0x01, 0x18, 0x18, 0xc6, 0x00, 0x1b,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc1, 0xf0, 0x00, 0x18,
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0x18, 0x86, 0x81, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
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0xe3, 0xf0, 0x00, 0x30, 0x0c, 0x86, 0x81, 0x71, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x80, 0x7f, 0x60, 0x00, 0xf0, 0x0f, 0x06, 0xc3, 0x60,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3d, 0x60, 0x00, 0xc0,
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0x03, 0x06, 0xe7, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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65
examples/ssd1306_i2c/ssd1306_i2c.c
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examples/ssd1306_i2c/ssd1306_i2c.c
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#include "espressif/esp_common.h"
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#include "esp/uart.h"
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#include "FreeRTOS.h"
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#include "task.h"
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#include "queue.h"
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#include <string.h>
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#include "i2c/i2c.h"
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#include "ssd1306/ssd1306.h"
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#include "image.xbm"
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/* Change this according to you schematics */
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#define SCL_PIN GPIO_ID_PIN((14))
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#define SDA_PIN GPIO_ID_PIN((12))
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/* Local frame buffer */
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static uint8_t buffer[SSD1306_ROWS * SSD1306_COLS / 8];
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static void ssd1306_task(void *pvParameters)
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{
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printf("%s: Started user interface task\n", __FUNCTION__);
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vTaskDelay(1000/portTICK_RATE_MS);
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if (ssd1306_load_xbm(image_bits, buffer))
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goto error_loop;
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ssd1306_set_whole_display_lighting(false);
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while (1) {
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vTaskDelay(2000 / portTICK_RATE_MS);
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printf("%s: steel alive\n", __FUNCTION__);
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}
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error_loop:
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printf("%s: error while loading framebuffer into SSD1306\n", __func__);
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for(;;){
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vTaskDelay(2000 / portTICK_RATE_MS);
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printf("%s: error loop\n", __FUNCTION__);
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}
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}
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void user_init(void)
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{
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// Setup HW
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uart_set_baud(0, 115200);
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printf("SDK version:%s\n", sdk_system_get_sdk_version());
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i2c_init(SCL_PIN, SDA_PIN);
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if (ssd1306_init()){
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for (;;) {
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printf("%s: failed to init SSD1306 lcd\n", __func__);
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vTaskDelay(1000/portTICK_RATE_MS);
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}
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}
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ssd1306_set_whole_display_lighting(true);
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vTaskDelay(1000/portTICK_RATE_MS);
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// Create user interface task
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xTaskCreate(ssd1306_task, "ssd1306_task", 256, NULL, 2, NULL);
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}
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