Check refresh speed by transfermode 4bit,3bit,1bit with MIP8F_SPI_Ver50
Dependencies: MIP8F_SPI_Ver50 MIP8f_FRDM_LineBuffer_sample mbed
Dependents: MIP8f_FRDM_Animation_sample
Introduction
this sample is checking the refresh display speed between 4bit,3bit and 1bit transfer mode.
- spi-transfer to Display has 3 mode. 4bit mode is color display, this bit arrange is R,G,B,x. R,G,B = R,G,B subpixel bit. x bit is Dummy. 3bit mode is color display, this bit arrange is R,G,B. R,G,B = R,G,B subpixel bit. No bit is Dummy. 1bit mode is monocrome display,high speed refresh mode. a only Green subpixel of bitmap data is transfered.
Other information , please refer to https://os.mbed.com/teams/JapanDisplayInc/code/MIP8f_FRDM_sample/
Usage
Copy Setting File and Image to micro SD-CARD. you can NOT use same sample color images of OTHER VERSION SAMPLE.
a) Download the following file corresponding to the target panel, and rename file identifier (.bin -> .zip), and unzip the file on micro SD Card's root directory.
LPM027M128x (400x240) :/media/uploads/JDI_Mbed_Team/400x240_ver30.bin
b) Insert micro SD-CARD to FRDM-K64F. c) Upload binary file to FRDM-K64F.and push Reset Button.
Other information
refer to Usage on https://os.mbed.com/teams/JapanDisplayInc/code/MIP8f_FRDM_sample/
this Sample Code (.bin)
/media/uploads/JDI_Mbed_Team/mip8f_frdm_transfermode_sample.k64f.bin
Adafruit_LEDBackpack/Adafruit_LEDBackpack.h@16:7c472f8a81a5, 2018-11-12 (annotated)
- Committer:
- JDI_Mbed_Team
- Date:
- Mon Nov 12 05:09:38 2018 +0000
- Revision:
- 16:7c472f8a81a5
- Parent:
- 0:33fe30a2b785
updata
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
JDI_Mbed_Team | 0:33fe30a2b785 | 1 | /*************************************************** |
JDI_Mbed_Team | 0:33fe30a2b785 | 2 | This is a library for our I2C LED Backpacks |
JDI_Mbed_Team | 0:33fe30a2b785 | 3 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 4 | Designed specifically to work with the Adafruit LED Matrix backpacks |
JDI_Mbed_Team | 0:33fe30a2b785 | 5 | ----> http://www.adafruit.com/products/ |
JDI_Mbed_Team | 0:33fe30a2b785 | 6 | ----> http://www.adafruit.com/products/ |
JDI_Mbed_Team | 0:33fe30a2b785 | 7 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 8 | These displays use I2C to communicate, 2 pins are required to |
JDI_Mbed_Team | 0:33fe30a2b785 | 9 | interface. There are multiple selectable I2C addresses. For backpacks |
JDI_Mbed_Team | 0:33fe30a2b785 | 10 | with 2 Address Select pins: 0x70, 0x71, 0x72 or 0x73. For backpacks |
JDI_Mbed_Team | 0:33fe30a2b785 | 11 | with 3 Address Select pins: 0x70 thru 0x77 |
JDI_Mbed_Team | 0:33fe30a2b785 | 12 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 13 | Adafruit invests time and resources providing this open source code, |
JDI_Mbed_Team | 0:33fe30a2b785 | 14 | please support Adafruit and open-source hardware by purchasing |
JDI_Mbed_Team | 0:33fe30a2b785 | 15 | products from Adafruit! |
JDI_Mbed_Team | 0:33fe30a2b785 | 16 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 17 | Written by Limor Fried/Ladyada for Adafruit Industries. |
JDI_Mbed_Team | 0:33fe30a2b785 | 18 | BSD license, all text above must be included in any redistribution |
JDI_Mbed_Team | 0:33fe30a2b785 | 19 | ****************************************************/ |
JDI_Mbed_Team | 0:33fe30a2b785 | 20 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 21 | /* |
JDI_Mbed_Team | 0:33fe30a2b785 | 22 | * Modified by Luiz Hespanha (http://www.d3.do) 8/16/2013 for use in LPC1768 |
JDI_Mbed_Team | 0:33fe30a2b785 | 23 | */ |
JDI_Mbed_Team | 0:33fe30a2b785 | 24 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 25 | #include "mbed.h" |
JDI_Mbed_Team | 0:33fe30a2b785 | 26 | #include "Adafruit_GFX.h" |
JDI_Mbed_Team | 0:33fe30a2b785 | 27 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 28 | #define LED_ON 1 |
JDI_Mbed_Team | 0:33fe30a2b785 | 29 | #define LED_OFF 0 |
JDI_Mbed_Team | 0:33fe30a2b785 | 30 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 31 | #define LED_RED 1 |
JDI_Mbed_Team | 0:33fe30a2b785 | 32 | #define LED_YELLOW 2 |
JDI_Mbed_Team | 0:33fe30a2b785 | 33 | #define LED_GREEN 3 |
JDI_Mbed_Team | 0:33fe30a2b785 | 34 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 35 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 36 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 37 | #define HT16K33_BLINK_CMD 0x80 |
JDI_Mbed_Team | 0:33fe30a2b785 | 38 | #define HT16K33_BLINK_DISPLAYON 0x01 |
JDI_Mbed_Team | 0:33fe30a2b785 | 39 | #define HT16K33_BLINK_OFF 0 |
JDI_Mbed_Team | 0:33fe30a2b785 | 40 | #define HT16K33_BLINK_2HZ 1 |
JDI_Mbed_Team | 0:33fe30a2b785 | 41 | #define HT16K33_BLINK_1HZ 2 |
JDI_Mbed_Team | 0:33fe30a2b785 | 42 | #define HT16K33_BLINK_HALFHZ 3 |
JDI_Mbed_Team | 0:33fe30a2b785 | 43 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 44 | #define HT16K33_CMD_BRIGHTNESS 0x0E |
JDI_Mbed_Team | 0:33fe30a2b785 | 45 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 46 | // this is the raw HT16K33 controller |
JDI_Mbed_Team | 0:33fe30a2b785 | 47 | class Adafruit_LEDBackpack { |
JDI_Mbed_Team | 0:33fe30a2b785 | 48 | public: |
JDI_Mbed_Team | 0:33fe30a2b785 | 49 | Adafruit_LEDBackpack(I2C *i2c); |
JDI_Mbed_Team | 0:33fe30a2b785 | 50 | void begin(uint8_t _addr); |
JDI_Mbed_Team | 0:33fe30a2b785 | 51 | void setBrightness(uint8_t b); |
JDI_Mbed_Team | 0:33fe30a2b785 | 52 | void blinkRate(uint8_t b); |
JDI_Mbed_Team | 0:33fe30a2b785 | 53 | void writeDisplay(void); |
JDI_Mbed_Team | 0:33fe30a2b785 | 54 | void clear(void); |
JDI_Mbed_Team | 0:33fe30a2b785 | 55 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 56 | uint16_t displaybuffer[8]; |
JDI_Mbed_Team | 0:33fe30a2b785 | 57 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 58 | void init(uint8_t a); |
JDI_Mbed_Team | 0:33fe30a2b785 | 59 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 60 | protected: |
JDI_Mbed_Team | 0:33fe30a2b785 | 61 | I2C *_i2c; |
JDI_Mbed_Team | 0:33fe30a2b785 | 62 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 63 | private: |
JDI_Mbed_Team | 0:33fe30a2b785 | 64 | uint8_t i2c_addr; |
JDI_Mbed_Team | 0:33fe30a2b785 | 65 | }; |
JDI_Mbed_Team | 0:33fe30a2b785 | 66 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 67 | class Adafruit_8x8matrix : public Adafruit_LEDBackpack, public Adafruit_GFX { |
JDI_Mbed_Team | 0:33fe30a2b785 | 68 | public: |
JDI_Mbed_Team | 0:33fe30a2b785 | 69 | Adafruit_8x8matrix(I2C *i2c); |
JDI_Mbed_Team | 0:33fe30a2b785 | 70 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 71 | void drawPixel(int16_t x, int16_t y, uint16_t color); |
JDI_Mbed_Team | 0:33fe30a2b785 | 72 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 73 | private: |
JDI_Mbed_Team | 0:33fe30a2b785 | 74 | }; |