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
SDFileSystem/FATFileSystem/FATFileHandle.cpp@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 | /* mbed Microcontroller Library |
JDI_Mbed_Team | 0:33fe30a2b785 | 2 | * Copyright (c) 2006-2012 ARM Limited |
JDI_Mbed_Team | 0:33fe30a2b785 | 3 | * |
JDI_Mbed_Team | 0:33fe30a2b785 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
JDI_Mbed_Team | 0:33fe30a2b785 | 5 | * of this software and associated documentation files (the "Software"), to deal |
JDI_Mbed_Team | 0:33fe30a2b785 | 6 | * in the Software without restriction, including without limitation the rights |
JDI_Mbed_Team | 0:33fe30a2b785 | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
JDI_Mbed_Team | 0:33fe30a2b785 | 8 | * copies of the Software, and to permit persons to whom the Software is |
JDI_Mbed_Team | 0:33fe30a2b785 | 9 | * furnished to do so, subject to the following conditions: |
JDI_Mbed_Team | 0:33fe30a2b785 | 10 | * |
JDI_Mbed_Team | 0:33fe30a2b785 | 11 | * The above copyright notice and this permission notice shall be included in |
JDI_Mbed_Team | 0:33fe30a2b785 | 12 | * all copies or substantial portions of the Software. |
JDI_Mbed_Team | 0:33fe30a2b785 | 13 | * |
JDI_Mbed_Team | 0:33fe30a2b785 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
JDI_Mbed_Team | 0:33fe30a2b785 | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
JDI_Mbed_Team | 0:33fe30a2b785 | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
JDI_Mbed_Team | 0:33fe30a2b785 | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
JDI_Mbed_Team | 0:33fe30a2b785 | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
JDI_Mbed_Team | 0:33fe30a2b785 | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
JDI_Mbed_Team | 0:33fe30a2b785 | 20 | * SOFTWARE. |
JDI_Mbed_Team | 0:33fe30a2b785 | 21 | */ |
JDI_Mbed_Team | 0:33fe30a2b785 | 22 | #include "ff.h" |
JDI_Mbed_Team | 0:33fe30a2b785 | 23 | #include "ffconf.h" |
JDI_Mbed_Team | 0:33fe30a2b785 | 24 | #include "mbed_debug.h" |
JDI_Mbed_Team | 0:33fe30a2b785 | 25 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 26 | #include "FATFileHandle.h" |
JDI_Mbed_Team | 0:33fe30a2b785 | 27 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 28 | FATFileHandle::FATFileHandle(FIL fh) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 29 | _fh = fh; |
JDI_Mbed_Team | 0:33fe30a2b785 | 30 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 31 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 32 | int FATFileHandle::close() { |
JDI_Mbed_Team | 0:33fe30a2b785 | 33 | int retval = f_close(&_fh); |
JDI_Mbed_Team | 0:33fe30a2b785 | 34 | delete this; |
JDI_Mbed_Team | 0:33fe30a2b785 | 35 | return retval; |
JDI_Mbed_Team | 0:33fe30a2b785 | 36 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 37 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 38 | ssize_t FATFileHandle::write(const void* buffer, size_t length) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 39 | UINT n; |
JDI_Mbed_Team | 0:33fe30a2b785 | 40 | FRESULT res = f_write(&_fh, buffer, length, &n); |
JDI_Mbed_Team | 0:33fe30a2b785 | 41 | if (res) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 42 | debug_if(FFS_DBG, "f_write() failed: %d", res); |
JDI_Mbed_Team | 0:33fe30a2b785 | 43 | return -1; |
JDI_Mbed_Team | 0:33fe30a2b785 | 44 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 45 | return n; |
JDI_Mbed_Team | 0:33fe30a2b785 | 46 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 47 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 48 | ssize_t FATFileHandle::read(void* buffer, size_t length) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 49 | debug_if(FFS_DBG, "read(%d)\n", length); |
JDI_Mbed_Team | 0:33fe30a2b785 | 50 | UINT n; |
JDI_Mbed_Team | 0:33fe30a2b785 | 51 | FRESULT res = f_read(&_fh, buffer, length, &n); |
JDI_Mbed_Team | 0:33fe30a2b785 | 52 | if (res) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 53 | debug_if(FFS_DBG, "f_read() failed: %d\n", res); |
JDI_Mbed_Team | 0:33fe30a2b785 | 54 | return -1; |
JDI_Mbed_Team | 0:33fe30a2b785 | 55 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 56 | return n; |
JDI_Mbed_Team | 0:33fe30a2b785 | 57 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 58 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 59 | int FATFileHandle::isatty() { |
JDI_Mbed_Team | 0:33fe30a2b785 | 60 | return 0; |
JDI_Mbed_Team | 0:33fe30a2b785 | 61 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 62 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 63 | off_t FATFileHandle::lseek(off_t position, int whence) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 64 | if (whence == SEEK_END) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 65 | position += _fh.fsize; |
JDI_Mbed_Team | 0:33fe30a2b785 | 66 | } else if(whence==SEEK_CUR) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 67 | position += _fh.fptr; |
JDI_Mbed_Team | 0:33fe30a2b785 | 68 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 69 | FRESULT res = f_lseek(&_fh, position); |
JDI_Mbed_Team | 0:33fe30a2b785 | 70 | if (res) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 71 | debug_if(FFS_DBG, "lseek failed: %d\n", res); |
JDI_Mbed_Team | 0:33fe30a2b785 | 72 | return -1; |
JDI_Mbed_Team | 0:33fe30a2b785 | 73 | } else { |
JDI_Mbed_Team | 0:33fe30a2b785 | 74 | debug_if(FFS_DBG, "lseek OK, returning %i\n", _fh.fptr); |
JDI_Mbed_Team | 0:33fe30a2b785 | 75 | return _fh.fptr; |
JDI_Mbed_Team | 0:33fe30a2b785 | 76 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 77 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 78 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 79 | int FATFileHandle::fsync() { |
JDI_Mbed_Team | 0:33fe30a2b785 | 80 | FRESULT res = f_sync(&_fh); |
JDI_Mbed_Team | 0:33fe30a2b785 | 81 | if (res) { |
JDI_Mbed_Team | 0:33fe30a2b785 | 82 | debug_if(FFS_DBG, "f_sync() failed: %d\n", res); |
JDI_Mbed_Team | 0:33fe30a2b785 | 83 | return -1; |
JDI_Mbed_Team | 0:33fe30a2b785 | 84 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 85 | return 0; |
JDI_Mbed_Team | 0:33fe30a2b785 | 86 | } |
JDI_Mbed_Team | 0:33fe30a2b785 | 87 | |
JDI_Mbed_Team | 0:33fe30a2b785 | 88 | off_t FATFileHandle::flen() { |
JDI_Mbed_Team | 0:33fe30a2b785 | 89 | return _fh.fsize; |
JDI_Mbed_Team | 0:33fe30a2b785 | 90 | } |