first working demo with OLED screen
This commit is contained in:
parent
27514143f5
commit
e08f3a8fd5
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@ -1,4 +1,4 @@
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idf_component_register(
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SRCS "main.cpp"
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SRCS "ssd1366.cpp" "main.cpp"
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INCLUDE_DIRS "."
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REQUIRES ttn-esp32)
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@ -0,0 +1,174 @@
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/*
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* font8x8_basic.h
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*
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* Created on: 2017/05/03
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* Author: yanbe
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*/
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#ifndef MAIN_FONT8X8_BASIC_H_
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#define MAIN_FONT8X8_BASIC_H_
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#include "freertos/FreeRTOS.h"
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/*
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Constant: font8x8_basic_tr
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Contains an 90 digree transposed 8x8 font map for unicode points
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U+0000 - U+007F (basic latin)
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To make it easy to use with SSD1306's GDDRAM mapping and API,
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this constant is an 90 degree transposed.
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The original version written by Marcel Sondaar is availble at:
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https://github.com/dhepper/font8x8/blob/master/font8x8_basic.h
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Conversion is done via following procedure:
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for (int code = 0; code < 128; code++) {
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uint8_t trans[8];
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for (int w = 0; w < 8; w++) {
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trans[w] = 0x00;
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for (int b = 0; b < 8; b++) {
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trans[w] |= ((font8x8_basic[code][b] & (1 << w)) >> w) << b;
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}
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}
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for (int w = 0; w < 8; w++) {
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if (w == 0) { printf(" { "); }
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printf("0x%.2X", trans[w]);
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if (w < 7) { printf(", "); }
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if (w == 7) { printf(" }, // U+00%.2X (%c)\n", code, code); }
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}
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}
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*/
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uint8_t font8x8_basic_tr[128][8] = {
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0000 (nul)
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0001
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0002
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0003
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0004
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0005
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0006
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0007
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0008
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0009
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+000A
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+000B
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+000C
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+000D
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+000E
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+000F
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0010
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0011
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0012
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0013
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0014
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0015
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0016
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0017
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0018
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0019
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+001A
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+001B
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+001C
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+001D
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+001E
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+001F
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0020 (space)
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{ 0x00, 0x00, 0x06, 0x5F, 0x5F, 0x06, 0x00, 0x00 }, // U+0021 (!)
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{ 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x00 }, // U+0022 (")
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{ 0x14, 0x7F, 0x7F, 0x14, 0x7F, 0x7F, 0x14, 0x00 }, // U+0023 (#)
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{ 0x24, 0x2E, 0x6B, 0x6B, 0x3A, 0x12, 0x00, 0x00 }, // U+0024 ($)
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{ 0x46, 0x66, 0x30, 0x18, 0x0C, 0x66, 0x62, 0x00 }, // U+0025 (%)
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{ 0x30, 0x7A, 0x4F, 0x5D, 0x37, 0x7A, 0x48, 0x00 }, // U+0026 (&)
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{ 0x04, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0027 (')
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{ 0x00, 0x1C, 0x3E, 0x63, 0x41, 0x00, 0x00, 0x00 }, // U+0028 (()
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{ 0x00, 0x41, 0x63, 0x3E, 0x1C, 0x00, 0x00, 0x00 }, // U+0029 ())
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{ 0x08, 0x2A, 0x3E, 0x1C, 0x1C, 0x3E, 0x2A, 0x08 }, // U+002A (*)
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{ 0x08, 0x08, 0x3E, 0x3E, 0x08, 0x08, 0x00, 0x00 }, // U+002B (+)
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{ 0x00, 0x80, 0xE0, 0x60, 0x00, 0x00, 0x00, 0x00 }, // U+002C (,)
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{ 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00 }, // U+002D (-)
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{ 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00 }, // U+002E (.)
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{ 0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00 }, // U+002F (/)
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{ 0x3E, 0x7F, 0x71, 0x59, 0x4D, 0x7F, 0x3E, 0x00 }, // U+0030 (0)
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{ 0x40, 0x42, 0x7F, 0x7F, 0x40, 0x40, 0x00, 0x00 }, // U+0031 (1)
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{ 0x62, 0x73, 0x59, 0x49, 0x6F, 0x66, 0x00, 0x00 }, // U+0032 (2)
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{ 0x22, 0x63, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x00 }, // U+0033 (3)
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{ 0x18, 0x1C, 0x16, 0x53, 0x7F, 0x7F, 0x50, 0x00 }, // U+0034 (4)
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{ 0x27, 0x67, 0x45, 0x45, 0x7D, 0x39, 0x00, 0x00 }, // U+0035 (5)
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{ 0x3C, 0x7E, 0x4B, 0x49, 0x79, 0x30, 0x00, 0x00 }, // U+0036 (6)
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{ 0x03, 0x03, 0x71, 0x79, 0x0F, 0x07, 0x00, 0x00 }, // U+0037 (7)
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{ 0x36, 0x7F, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x00 }, // U+0038 (8)
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{ 0x06, 0x4F, 0x49, 0x69, 0x3F, 0x1E, 0x00, 0x00 }, // U+0039 (9)
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{ 0x00, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00 }, // U+003A (:)
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{ 0x00, 0x80, 0xE6, 0x66, 0x00, 0x00, 0x00, 0x00 }, // U+003B (;)
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{ 0x08, 0x1C, 0x36, 0x63, 0x41, 0x00, 0x00, 0x00 }, // U+003C (<)
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{ 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x00, 0x00 }, // U+003D (=)
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{ 0x00, 0x41, 0x63, 0x36, 0x1C, 0x08, 0x00, 0x00 }, // U+003E (>)
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{ 0x02, 0x03, 0x51, 0x59, 0x0F, 0x06, 0x00, 0x00 }, // U+003F (?)
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{ 0x3E, 0x7F, 0x41, 0x5D, 0x5D, 0x1F, 0x1E, 0x00 }, // U+0040 (@)
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{ 0x7C, 0x7E, 0x13, 0x13, 0x7E, 0x7C, 0x00, 0x00 }, // U+0041 (A)
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{ 0x41, 0x7F, 0x7F, 0x49, 0x49, 0x7F, 0x36, 0x00 }, // U+0042 (B)
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{ 0x1C, 0x3E, 0x63, 0x41, 0x41, 0x63, 0x22, 0x00 }, // U+0043 (C)
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{ 0x41, 0x7F, 0x7F, 0x41, 0x63, 0x3E, 0x1C, 0x00 }, // U+0044 (D)
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{ 0x41, 0x7F, 0x7F, 0x49, 0x5D, 0x41, 0x63, 0x00 }, // U+0045 (E)
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{ 0x41, 0x7F, 0x7F, 0x49, 0x1D, 0x01, 0x03, 0x00 }, // U+0046 (F)
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{ 0x1C, 0x3E, 0x63, 0x41, 0x51, 0x73, 0x72, 0x00 }, // U+0047 (G)
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{ 0x7F, 0x7F, 0x08, 0x08, 0x7F, 0x7F, 0x00, 0x00 }, // U+0048 (H)
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{ 0x00, 0x41, 0x7F, 0x7F, 0x41, 0x00, 0x00, 0x00 }, // U+0049 (I)
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{ 0x30, 0x70, 0x40, 0x41, 0x7F, 0x3F, 0x01, 0x00 }, // U+004A (J)
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{ 0x41, 0x7F, 0x7F, 0x08, 0x1C, 0x77, 0x63, 0x00 }, // U+004B (K)
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{ 0x41, 0x7F, 0x7F, 0x41, 0x40, 0x60, 0x70, 0x00 }, // U+004C (L)
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{ 0x7F, 0x7F, 0x0E, 0x1C, 0x0E, 0x7F, 0x7F, 0x00 }, // U+004D (M)
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{ 0x7F, 0x7F, 0x06, 0x0C, 0x18, 0x7F, 0x7F, 0x00 }, // U+004E (N)
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{ 0x1C, 0x3E, 0x63, 0x41, 0x63, 0x3E, 0x1C, 0x00 }, // U+004F (O)
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{ 0x41, 0x7F, 0x7F, 0x49, 0x09, 0x0F, 0x06, 0x00 }, // U+0050 (P)
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{ 0x1E, 0x3F, 0x21, 0x71, 0x7F, 0x5E, 0x00, 0x00 }, // U+0051 (Q)
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{ 0x41, 0x7F, 0x7F, 0x09, 0x19, 0x7F, 0x66, 0x00 }, // U+0052 (R)
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{ 0x26, 0x6F, 0x4D, 0x59, 0x73, 0x32, 0x00, 0x00 }, // U+0053 (S)
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{ 0x03, 0x41, 0x7F, 0x7F, 0x41, 0x03, 0x00, 0x00 }, // U+0054 (T)
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{ 0x7F, 0x7F, 0x40, 0x40, 0x7F, 0x7F, 0x00, 0x00 }, // U+0055 (U)
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{ 0x1F, 0x3F, 0x60, 0x60, 0x3F, 0x1F, 0x00, 0x00 }, // U+0056 (V)
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{ 0x7F, 0x7F, 0x30, 0x18, 0x30, 0x7F, 0x7F, 0x00 }, // U+0057 (W)
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{ 0x43, 0x67, 0x3C, 0x18, 0x3C, 0x67, 0x43, 0x00 }, // U+0058 (X)
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{ 0x07, 0x4F, 0x78, 0x78, 0x4F, 0x07, 0x00, 0x00 }, // U+0059 (Y)
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{ 0x47, 0x63, 0x71, 0x59, 0x4D, 0x67, 0x73, 0x00 }, // U+005A (Z)
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{ 0x00, 0x7F, 0x7F, 0x41, 0x41, 0x00, 0x00, 0x00 }, // U+005B ([)
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{ 0x01, 0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x00 }, // U+005C (\)
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{ 0x00, 0x41, 0x41, 0x7F, 0x7F, 0x00, 0x00, 0x00 }, // U+005D (])
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{ 0x08, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x08, 0x00 }, // U+005E (^)
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{ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }, // U+005F (_)
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{ 0x00, 0x00, 0x03, 0x07, 0x04, 0x00, 0x00, 0x00 }, // U+0060 (`)
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{ 0x20, 0x74, 0x54, 0x54, 0x3C, 0x78, 0x40, 0x00 }, // U+0061 (a)
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{ 0x41, 0x7F, 0x3F, 0x48, 0x48, 0x78, 0x30, 0x00 }, // U+0062 (b)
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{ 0x38, 0x7C, 0x44, 0x44, 0x6C, 0x28, 0x00, 0x00 }, // U+0063 (c)
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{ 0x30, 0x78, 0x48, 0x49, 0x3F, 0x7F, 0x40, 0x00 }, // U+0064 (d)
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{ 0x38, 0x7C, 0x54, 0x54, 0x5C, 0x18, 0x00, 0x00 }, // U+0065 (e)
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{ 0x48, 0x7E, 0x7F, 0x49, 0x03, 0x02, 0x00, 0x00 }, // U+0066 (f)
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{ 0x98, 0xBC, 0xA4, 0xA4, 0xF8, 0x7C, 0x04, 0x00 }, // U+0067 (g)
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{ 0x41, 0x7F, 0x7F, 0x08, 0x04, 0x7C, 0x78, 0x00 }, // U+0068 (h)
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{ 0x00, 0x44, 0x7D, 0x7D, 0x40, 0x00, 0x00, 0x00 }, // U+0069 (i)
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{ 0x60, 0xE0, 0x80, 0x80, 0xFD, 0x7D, 0x00, 0x00 }, // U+006A (j)
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{ 0x41, 0x7F, 0x7F, 0x10, 0x38, 0x6C, 0x44, 0x00 }, // U+006B (k)
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{ 0x00, 0x41, 0x7F, 0x7F, 0x40, 0x00, 0x00, 0x00 }, // U+006C (l)
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{ 0x7C, 0x7C, 0x18, 0x38, 0x1C, 0x7C, 0x78, 0x00 }, // U+006D (m)
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{ 0x7C, 0x7C, 0x04, 0x04, 0x7C, 0x78, 0x00, 0x00 }, // U+006E (n)
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{ 0x38, 0x7C, 0x44, 0x44, 0x7C, 0x38, 0x00, 0x00 }, // U+006F (o)
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{ 0x84, 0xFC, 0xF8, 0xA4, 0x24, 0x3C, 0x18, 0x00 }, // U+0070 (p)
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{ 0x18, 0x3C, 0x24, 0xA4, 0xF8, 0xFC, 0x84, 0x00 }, // U+0071 (q)
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{ 0x44, 0x7C, 0x78, 0x4C, 0x04, 0x1C, 0x18, 0x00 }, // U+0072 (r)
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{ 0x48, 0x5C, 0x54, 0x54, 0x74, 0x24, 0x00, 0x00 }, // U+0073 (s)
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{ 0x00, 0x04, 0x3E, 0x7F, 0x44, 0x24, 0x00, 0x00 }, // U+0074 (t)
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{ 0x3C, 0x7C, 0x40, 0x40, 0x3C, 0x7C, 0x40, 0x00 }, // U+0075 (u)
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{ 0x1C, 0x3C, 0x60, 0x60, 0x3C, 0x1C, 0x00, 0x00 }, // U+0076 (v)
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{ 0x3C, 0x7C, 0x70, 0x38, 0x70, 0x7C, 0x3C, 0x00 }, // U+0077 (w)
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{ 0x44, 0x6C, 0x38, 0x10, 0x38, 0x6C, 0x44, 0x00 }, // U+0078 (x)
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{ 0x9C, 0xBC, 0xA0, 0xA0, 0xFC, 0x7C, 0x00, 0x00 }, // U+0079 (y)
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{ 0x4C, 0x64, 0x74, 0x5C, 0x4C, 0x64, 0x00, 0x00 }, // U+007A (z)
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{ 0x08, 0x08, 0x3E, 0x77, 0x41, 0x41, 0x00, 0x00 }, // U+007B ({)
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{ 0x00, 0x00, 0x00, 0x77, 0x77, 0x00, 0x00, 0x00 }, // U+007C (|)
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{ 0x41, 0x41, 0x77, 0x3E, 0x08, 0x08, 0x00, 0x00 }, // U+007D (})
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{ 0x02, 0x03, 0x01, 0x03, 0x02, 0x03, 0x01, 0x00 }, // U+007E (~)
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } // U+007F
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};
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#endif /* MAIN_FONT8X8_BASIC_H_ */
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@ -1,55 +1,24 @@
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/*******************************************************************************
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*
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* ttn-esp32 - The Things Network device library for ESP-IDF / SX127x
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*
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* Copyright (c) 2018 Manuel Bleichenbacher
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*
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* Licensed under MIT License
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* https://opensource.org/licenses/MIT
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*
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* Sample program showing how to send and receive messages.
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*******************************************************************************/
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#include "freertos/FreeRTOS.h"
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#include "esp_event.h"
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#include "driver/gpio.h"
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#include "nvs_flash.h"
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#include "driver/i2c.h"
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#include "TheThingsNetwork.h"
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#define SDA_PIN GPIO_NUM_4
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#define SCL_PIN GPIO_NUM_15
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// NOTE:
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// The LoRaWAN frequency and the radio chip must be configured by running 'idf.py menuconfig'.
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// Go to Components / The Things Network, select the appropriate values and save.
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// Pins and other resources
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#define TTN_SPI_HOST HSPI_HOST
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#define TTN_SPI_DMA_CHAN 1
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#define TTN_PIN_SPI_SCLK 5
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#define TTN_PIN_SPI_MOSI 27
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#define TTN_PIN_SPI_MISO 19
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#define TTN_PIN_NSS 18
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#define TTN_PIN_RXTX TTN_NOT_CONNECTED
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#define TTN_PIN_RST 14
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#define TTN_PIN_DIO0 26
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#define TTN_PIN_DIO1 35
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static TheThingsNetwork ttn;
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const unsigned TX_INTERVAL = 5;
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static uint8_t msgData[] = "0xBADC0DED";
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#include "main.h"
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||||
|
||||
#include "ssd1366.h"
|
||||
|
||||
void sendMessages(void* pvParameter)
|
||||
{
|
||||
while (1) {
|
||||
printf("Sending message...\n");
|
||||
TTNResponseCode res = ttn.transmitMessage(msgData, sizeof(msgData) - 1);
|
||||
printf(res == kTTNSuccessfulTransmission ? "Message sent.\n" : "Transmission failed.\n");
|
||||
|
||||
if(res == kTTNSuccessfulTransmission){
|
||||
printf("Message sent.\n");
|
||||
ssd1306_display_clear();
|
||||
const char *pcTask1 = "Message sent.\n";
|
||||
xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask1, 5, NULL);
|
||||
}else{
|
||||
printf("Transmission failed.\n");
|
||||
ssd1306_display_clear();
|
||||
const char *pcTask1 = "Transmission failed.\n";
|
||||
xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask1, 5, NULL);
|
||||
}
|
||||
|
||||
vTaskDelay(TX_INTERVAL * pdMS_TO_TICKS(1000));
|
||||
}
|
||||
|
|
@ -94,14 +63,20 @@ extern "C" void app_main(void)
|
|||
// Register callback for received messages
|
||||
ttn.onMessage(messageReceived);
|
||||
|
||||
// ttn.setAdrEnabled(false);
|
||||
// ttn.setDataRate(kTTNDataRate_US915_SF7);
|
||||
// ttn.setMaxTxPower(14);
|
||||
|
||||
i2c_master_init();
|
||||
ssd1306_init();
|
||||
|
||||
printf("Joining...\n");
|
||||
ssd1306_display_clear();
|
||||
const char *pcTask1 = "Joining...\n";
|
||||
xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask1, 5, NULL);
|
||||
if (ttn.join())
|
||||
{
|
||||
printf("Joined.\n");
|
||||
ssd1306_display_clear();
|
||||
const char *pcTask1 = "Joined.\n";
|
||||
xTaskCreate(&task_ssd1306_display_text, "task_ssd1306_display_text", 4096, (void *) pcTask1, 5, NULL);
|
||||
xTaskCreate(sendMessages, "send_messages", 1024 * 4, (void* )0, 3, nullptr);
|
||||
}
|
||||
else
|
||||
|
|
|
|||
|
|
@ -0,0 +1,33 @@
|
|||
#ifndef MAIN_H
|
||||
#define MAIN_H
|
||||
|
||||
#include "freertos/FreeRTOS.h"
|
||||
#include "esp_event.h"
|
||||
#include "driver/gpio.h"
|
||||
#include "nvs_flash.h"
|
||||
#include "driver/i2c.h"
|
||||
|
||||
#include "TheThingsNetwork.h"
|
||||
|
||||
#define SDA_PIN GPIO_NUM_4
|
||||
#define SCL_PIN GPIO_NUM_15
|
||||
|
||||
// Pins and other resources
|
||||
#define TTN_SPI_HOST HSPI_HOST
|
||||
#define TTN_SPI_DMA_CHAN 1
|
||||
#define TTN_PIN_SPI_SCLK 5
|
||||
#define TTN_PIN_SPI_MOSI 27
|
||||
#define TTN_PIN_SPI_MISO 19
|
||||
#define TTN_PIN_NSS 18
|
||||
#define TTN_PIN_RXTX TTN_NOT_CONNECTED
|
||||
#define TTN_PIN_RST 14
|
||||
#define TTN_PIN_DIO0 26
|
||||
#define TTN_PIN_DIO1 35
|
||||
|
||||
static TheThingsNetwork ttn;
|
||||
|
||||
const unsigned TX_INTERVAL = 5;
|
||||
static uint8_t msgData[] = "0xBADC0DED";
|
||||
|
||||
|
||||
#endif /* MAIN_H */
|
||||
|
|
@ -0,0 +1,204 @@
|
|||
|
||||
#include "ssd1366.h"
|
||||
#include "font8x8_basic.h"
|
||||
#include <string.h>
|
||||
#include "driver/gpio.h"
|
||||
|
||||
#define SSD1366_SDA_PIN GPIO_NUM_4
|
||||
#define SSD1366_SCL_PIN GPIO_NUM_15
|
||||
#define SSD1366_RST_PIN GPIO_NUM_16
|
||||
#define SSD1366_VEXT_PIN GPIO_NUM_21
|
||||
|
||||
|
||||
|
||||
|
||||
#define I2C_NUM I2C_NUM_0
|
||||
//#define I2C_NUM I2C_NUM
|
||||
|
||||
#define I2C_MASTER_FREQ_HZ 400000U /*!< I2C clock of SSD1306 can run at 400 kHz max. */
|
||||
|
||||
|
||||
#define tag "SSD1306"
|
||||
|
||||
void i2c_master_init()
|
||||
{
|
||||
i2c_config_t i2c_config;
|
||||
|
||||
i2c_config.mode = I2C_MODE_MASTER;
|
||||
i2c_config.sda_io_num = SSD1366_SDA_PIN;
|
||||
i2c_config.scl_io_num = SSD1366_SCL_PIN;
|
||||
i2c_config.sda_pullup_en = GPIO_PULLUP_ENABLE;
|
||||
i2c_config.scl_pullup_en = GPIO_PULLUP_ENABLE;
|
||||
i2c_config.master.clk_speed = I2C_MASTER_FREQ_HZ;
|
||||
|
||||
|
||||
ESP_ERROR_CHECK(i2c_param_config(I2C_NUM, &i2c_config));
|
||||
ESP_ERROR_CHECK(i2c_driver_install(I2C_NUM, I2C_MODE_MASTER, 0, 0, 0));
|
||||
}
|
||||
|
||||
void ssd1306_init()
|
||||
{
|
||||
esp_err_t espRc;
|
||||
gpio_set_direction(SSD1366_RST_PIN, GPIO_MODE_OUTPUT);
|
||||
gpio_set_direction(SSD1366_VEXT_PIN, GPIO_MODE_OUTPUT);
|
||||
gpio_set_level(SSD1366_VEXT_PIN, 0); //enable power to oled
|
||||
gpio_set_level(SSD1366_RST_PIN, 0);
|
||||
vTaskDelay(50 / portTICK_PERIOD_MS);
|
||||
gpio_set_level(SSD1366_RST_PIN, 1);
|
||||
|
||||
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
|
||||
|
||||
i2c_master_start(cmd);
|
||||
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
|
||||
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_CMD_STREAM, true);
|
||||
|
||||
i2c_master_write_byte(cmd, OLED_CMD_DISPLAY_OFF, true); // AE
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_MUX_RATIO, true); // A8
|
||||
i2c_master_write_byte(cmd, 0x3F, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_DISPLAY_OFFSET, true); // D3
|
||||
i2c_master_write_byte(cmd, 0x00, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_DISPLAY_START_LINE, true); // 40
|
||||
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_SEGMENT_REMAP, true); // reverse left-right mapping
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_COM_SCAN_MODE, true); // reverse up-bottom mapping
|
||||
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_DISPLAY_CLK_DIV, true); // D5
|
||||
i2c_master_write_byte(cmd, 0x80, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_COM_PIN_MAP, true); // DA
|
||||
i2c_master_write_byte(cmd, 0x12, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_CONTRAST, true); // 81
|
||||
i2c_master_write_byte(cmd, 0xFF, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_DISPLAY_RAM, true); // A4
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_VCOMH_DESELCT, true); // DB
|
||||
i2c_master_write_byte(cmd, 0x40, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_MEMORY_ADDR_MODE, true); // 20
|
||||
//i2c_master_write_byte(cmd, OLED_CMD_SET_HORI_ADDR_MODE, true); // 00
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_PAGE_ADDR_MODE, true); // 02
|
||||
// Set Lower Column Start Address for Page Addressing Mode
|
||||
i2c_master_write_byte(cmd, 0x00, true);
|
||||
// Set Higher Column Start Address for Page Addressing Mode
|
||||
i2c_master_write_byte(cmd, 0x10, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_CHARGE_PUMP, true); // 8D
|
||||
i2c_master_write_byte(cmd, 0x14, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_DEACTIVE_SCROLL, true); // 2E
|
||||
i2c_master_write_byte(cmd, OLED_CMD_DISPLAY_NORMAL, true); // A6
|
||||
i2c_master_write_byte(cmd, OLED_CMD_DISPLAY_ON, true);
|
||||
|
||||
i2c_master_stop(cmd);
|
||||
|
||||
espRc = i2c_master_cmd_begin(I2C_NUM, cmd, 10/portTICK_PERIOD_MS);
|
||||
if (espRc == ESP_OK)
|
||||
{
|
||||
ESP_LOGI(tag, "OLED configured successfully");
|
||||
}
|
||||
else
|
||||
{
|
||||
ESP_LOGE(tag, "OLED configuration failed. code: 0x%.2X", espRc);
|
||||
}
|
||||
i2c_cmd_link_delete(cmd);
|
||||
}
|
||||
|
||||
void i2c_contrast( int contrast) {
|
||||
i2c_cmd_handle_t cmd;
|
||||
int _contrast = contrast;
|
||||
if (contrast < 0x0) _contrast = 0;
|
||||
if (contrast > 0xFF) _contrast = 0xFF;
|
||||
|
||||
cmd = i2c_cmd_link_create();
|
||||
i2c_master_start(cmd);
|
||||
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
|
||||
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_CMD_STREAM, true);
|
||||
i2c_master_write_byte(cmd, OLED_CMD_SET_CONTRAST, true); // 81
|
||||
i2c_master_write_byte(cmd, _contrast, true);
|
||||
i2c_master_stop(cmd);
|
||||
i2c_master_cmd_begin(I2C_NUM, cmd, 10/portTICK_PERIOD_MS);
|
||||
i2c_cmd_link_delete(cmd);
|
||||
}
|
||||
|
||||
void ssd1306_display_clear(void) {
|
||||
i2c_cmd_handle_t cmd;
|
||||
uint8_t zero[128] = {0};
|
||||
for (uint8_t i = 0; i < 8; i++) {
|
||||
cmd = i2c_cmd_link_create();
|
||||
i2c_master_start(cmd);
|
||||
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
|
||||
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_CMD_SINGLE, true);
|
||||
i2c_master_write_byte(cmd, 0xB0 | i, true); // Set GDDRAM page start address
|
||||
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true);
|
||||
i2c_master_write(cmd, zero, 128, true);
|
||||
i2c_master_stop(cmd);
|
||||
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10/portTICK_PERIOD_MS);
|
||||
i2c_cmd_link_delete(cmd);
|
||||
}
|
||||
}
|
||||
|
||||
void ssd1306_display_text(char* text, uint16_t text_len)
|
||||
{
|
||||
|
||||
i2c_cmd_handle_t cmd;
|
||||
|
||||
uint8_t cur_page = 0;
|
||||
|
||||
cmd = i2c_cmd_link_create();
|
||||
i2c_master_start(cmd);
|
||||
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
|
||||
|
||||
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_CMD_STREAM, true);
|
||||
i2c_master_write_byte(cmd, 0x00, true); // reset column
|
||||
i2c_master_write_byte(cmd, 0x10, true);
|
||||
i2c_master_write_byte(cmd, 0xB0 | cur_page, true); // reset page
|
||||
|
||||
i2c_master_stop(cmd);
|
||||
i2c_master_cmd_begin(I2C_NUM, cmd, 10/portTICK_PERIOD_MS);
|
||||
i2c_cmd_link_delete(cmd);
|
||||
|
||||
for (uint8_t i = 0; i < text_len; i++)
|
||||
{
|
||||
if (text[i] == '\n')
|
||||
{
|
||||
cmd = i2c_cmd_link_create();
|
||||
i2c_master_start(cmd);
|
||||
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
|
||||
|
||||
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_CMD_STREAM, true);
|
||||
i2c_master_write_byte(cmd, 0x00, true); // reset column
|
||||
i2c_master_write_byte(cmd, 0x10, true);
|
||||
i2c_master_write_byte(cmd, 0xB0 | ++cur_page, true); // increment page
|
||||
|
||||
i2c_master_stop(cmd);
|
||||
i2c_master_cmd_begin(I2C_NUM, cmd, 10/portTICK_PERIOD_MS);
|
||||
i2c_cmd_link_delete(cmd);
|
||||
}
|
||||
else
|
||||
{
|
||||
cmd = i2c_cmd_link_create();
|
||||
i2c_master_start(cmd);
|
||||
i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);
|
||||
|
||||
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true);
|
||||
i2c_master_write(cmd, font8x8_basic_tr[(uint8_t)text[i]], 8, true);
|
||||
|
||||
i2c_master_stop(cmd);
|
||||
i2c_master_cmd_begin(I2C_NUM, cmd, 10/portTICK_PERIOD_MS);
|
||||
i2c_cmd_link_delete(cmd);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void task_ssd1306_display_text(void *pvParameters)
|
||||
{
|
||||
char *pcTaskName;
|
||||
pcTaskName = (char *) pvParameters;
|
||||
|
||||
//char text[13] = "Hello world!";
|
||||
//uint8_t text_len = strlen(text);
|
||||
|
||||
ssd1306_display_text(pcTaskName, strlen(pcTaskName));
|
||||
|
||||
vTaskDelete(NULL);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
#ifndef MAIN_SSD1366_H_
|
||||
#define MAIN_SSD1366_H_
|
||||
|
||||
#include "freertos/FreeRTOS.h"
|
||||
#include "driver/gpio.h"
|
||||
#include "driver/i2c.h"
|
||||
#include "esp_log.h"
|
||||
|
||||
// SLA (0x3C) + WRITE_MODE (0x00) = 0x78 (0b01111000)
|
||||
#define OLED_I2C_ADDRESS 0x3C
|
||||
|
||||
// Control byte
|
||||
#define OLED_CONTROL_BYTE_CMD_SINGLE 0x80
|
||||
#define OLED_CONTROL_BYTE_CMD_STREAM 0x00
|
||||
#define OLED_CONTROL_BYTE_DATA_STREAM 0x40
|
||||
|
||||
// Fundamental commands (pg.28)
|
||||
#define OLED_CMD_SET_CONTRAST 0x81 // follow with 0x7F
|
||||
#define OLED_CMD_DISPLAY_RAM 0xA4
|
||||
#define OLED_CMD_DISPLAY_ALLON 0xA5
|
||||
#define OLED_CMD_DISPLAY_NORMAL 0xA6
|
||||
#define OLED_CMD_DISPLAY_INVERTED 0xA7
|
||||
#define OLED_CMD_DISPLAY_OFF 0xAE
|
||||
#define OLED_CMD_DISPLAY_ON 0xAF
|
||||
|
||||
// Addressing Command Table (pg.30)
|
||||
#define OLED_CMD_SET_MEMORY_ADDR_MODE 0x20 // follow with 0x00 = HORZ mode = Behave like a KS108 graphic LCD
|
||||
#define OLED_CMD_SET_COLUMN_RANGE 0x21 // can be used only in HORZ/VERT mode - follow with 0x00 and 0x7F = COL127
|
||||
#define OLED_CMD_SET_PAGE_RANGE 0x22 // can be used only in HORZ/VERT mode - follow with 0x00 and 0x07 = PAGE7
|
||||
#define OLED_CMD_SET_PAGE_ADDR_MODE 0x02 // Page Addressing Mode
|
||||
|
||||
// Hardware Config (pg.31)
|
||||
#define OLED_CMD_SET_DISPLAY_START_LINE 0x40
|
||||
#define OLED_CMD_SET_SEGMENT_REMAP 0xA1
|
||||
#define OLED_CMD_SET_MUX_RATIO 0xA8 // follow with 0x3F = 64 MUX
|
||||
#define OLED_CMD_SET_COM_SCAN_MODE 0xC8
|
||||
#define OLED_CMD_SET_DISPLAY_OFFSET 0xD3 // follow with 0x00
|
||||
#define OLED_CMD_SET_COM_PIN_MAP 0xDA // follow with 0x12
|
||||
#define OLED_CMD_NOP 0xE3 // NOP
|
||||
|
||||
// Timing and Driving Scheme (pg.32)
|
||||
#define OLED_CMD_SET_DISPLAY_CLK_DIV 0xD5 // follow with 0x80
|
||||
#define OLED_CMD_SET_PRECHARGE 0xD9 // follow with 0xF1
|
||||
#define OLED_CMD_SET_VCOMH_DESELCT 0xDB // follow with 0x30
|
||||
|
||||
// Charge Pump (pg.62)
|
||||
#define OLED_CMD_SET_CHARGE_PUMP 0x8D // follow with 0x14
|
||||
|
||||
// Scrolling Command
|
||||
#define OLED_CMD_HORIZONTAL_RIGHT 0x26
|
||||
#define OLED_CMD_HORIZONTAL_LEFT 0x27
|
||||
#define OLED_CMD_CONTINUOUS_SCROLL 0x29
|
||||
#define OLED_CMD_DEACTIVE_SCROLL 0x2E
|
||||
#define OLED_CMD_ACTIVE_SCROLL 0x2F
|
||||
#define OLED_CMD_VERTICAL 0xA3
|
||||
|
||||
|
||||
void i2c_master_init();
|
||||
void ssd1306_init();
|
||||
void task_ssd1306_display_text(void *pvParameters);
|
||||
void i2c_contrast( int contrast);
|
||||
void ssd1306_display_clear(void);
|
||||
void ssd1306_display_text(char* text, uint16_t text_len);
|
||||
|
||||
#endif /* MAIN_SSD1366_H_ */
|
||||
Loading…
Reference in New Issue