Englebert
3 years ago
12 changed files with 774 additions and 105 deletions
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6README.md
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373REF.md
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BINconfigurator/gzip/index.html.gz
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159configurator/src/index.html
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2getFeeds.sh
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3src/Motors.cpp
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2src/Motors.h
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170src/gyro.cpp
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21src/gyro.h
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18src/main.cpp
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24src/main.h
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101src/web.cpp
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Arduino + MAX7456 |
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https://www.hobbytronics.co.uk/download/MAX7456_OSDTEST.ino |
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/* |
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MAX7456 OSD Display Test Program for Arduino |
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Hobbytronics.co.uk |
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Nov-2013 |
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Setup is for PAL but NTSC settings are shown in the program. |
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Displays text on the screen in to following format (30 chars x 16 lines) |
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The program is completely self contained and requires no library files |
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'------------------------------` |
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| Hobbytronics.co.uk OSD | |
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| Test | |
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| #### 00:00:00 | <- Clock counts up from boot |
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'------------------------------` |
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*/ |
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// SPI pins |
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#define DATAOUT 11 //MOSI |
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#define DATAIN 12 //MISO |
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#define SPICLOCK 13 //sck |
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#define MAX7456SELECT 10 //ss |
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//MAX7456 opcodes |
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#define MAX_DMM_REG 0x04 |
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#define MAX_DMAH_REG 0x05 |
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#define MAX_DMAL_REG 0x06 |
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#define MAX_DMDI_REG 0x07 |
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#define MAX_VM0_REG 0x00 |
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#define MAX_VM1_REG 0x01 |
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#define MAX_CMAH_REG 0x09 |
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#define MAX_CMM_REG 0x08 |
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//MAX7456 commands |
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#define MAX_CLEAR_DISPLAY 0x04 |
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#define MAX_CLEAR_DISPLAY_VERT 0x06 |
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#define MAX_END_STRING 0xFF |
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// PAL |
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// all VM0_reg commands need bit 6 set |
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#define MAX_ENABLE_DISPLAY 0x48 |
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#define MAX_ENABLE_DISPLAY_VERT 0x4C |
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#define MAX_RESET 0x42 |
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#define MAX_DISABLE_DISPLAY 0x40 |
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#define MAX_SCREEN_SIZE 480 |
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#define MAX_SCREEN_WIDTH 30 |
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#define MAX_SCREEN_ROWS 16 |
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// NTSC |
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//#define MAX_ENABLE_DISPLAY 0x08 |
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//#define MAX_ENABLE_DISPLAY_VERT 0x0C |
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//#define MAX_RESET 0x02 |
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//#define MAX_DISABLE_DISPLAY 0x00 |
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//#define MAX_SCREEN_SIZE 390 |
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//#define MAX_SCREEN_WIDTH 30 |
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//#define MAX_SCREEN_ROWS 13 |
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volatile byte osd_buffer[MAX_SCREEN_SIZE+1]; |
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volatile byte osd_writeOK; |
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// Variables for counting time and displaying bar |
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#define BAR_LENGTH 15 |
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unsigned long counter=0; |
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unsigned long currentTime; |
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unsigned long cloopTime; |
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unsigned long bloopTime; |
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unsigned char barsize=0; |
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////////////////////////////////////////////////////////////// |
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void setup() |
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{ |
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byte spi_junk; |
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int x; |
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pinMode(MAX7456SELECT,OUTPUT); |
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digitalWrite(MAX7456SELECT,HIGH); //disable device |
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pinMode(DATAOUT, OUTPUT); |
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pinMode(DATAIN, INPUT); |
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pinMode(SPICLOCK,OUTPUT); |
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// SPCR = 01010000 |
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//interrupt disabled,spi enabled,msb 1st,master,clk low when idle, |
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//sample on leading edge of clk,system clock/4 rate (4 meg) |
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SPCR = (1<<SPE)|(1<<MSTR); |
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spi_junk=SPSR; |
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spi_junk=SPDR; |
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// force soft reset on Max7456 |
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digitalWrite(MAX7456SELECT,LOW); |
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spi_send_byte(MAX_VM0_REG, MAX_RESET); |
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digitalWrite(MAX7456SELECT,HIGH); |
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delay(200); |
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// osd_create_block_char(); // Run this once only as data is stored in eeprom |
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// make sure the Max7456 is enabled |
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digitalWrite(MAX7456SELECT,LOW); |
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spi_send_byte(MAX_VM0_REG, MAX_ENABLE_DISPLAY); |
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digitalWrite(MAX7456SELECT,HIGH); |
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// clear the data array |
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for (x = 0; x <= MAX_SCREEN_SIZE; x++) |
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{ |
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osd_buffer[x] = 0x00; |
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} |
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osd_writeOK = false; |
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// Setup default data to display |
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// 30 chars x 16 lines for PAL |
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// Line 1 = bytes 1-30, Line2 = bytes 31-60 etc up to 480 |
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osd_print(2,2,"Hobbytronics.co.uk"); |
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osd_print(2,25,"OSD"); |
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osd_print(3,24,"Test"); |
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currentTime = millis(); |
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cloopTime = currentTime; |
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bloopTime = currentTime; |
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osd_writeOK = true; |
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osd_clear_screen(); |
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} |
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////////////////////////////////////////////////////////////// |
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void loop() |
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{ |
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int i; |
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unsigned char hours, mins, secs; |
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currentTime = millis(); |
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if(currentTime >= (cloopTime + 1000)) |
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{ |
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// This loop runs once a second and display the time |
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// in the bottom right corner |
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// Increment counter every second and display time since bootup |
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cloopTime = currentTime; // Updates cloopTime |
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hours = counter / 3600; |
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mins = (counter % 3600) / 60; |
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secs = counter % 60; |
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char ascii_str[10]; |
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sprintf(ascii_str,"%0.2d:%0.2d:%0.2d",hours,mins,secs); |
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for(i=0;i<8;i++) |
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{ |
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osd_buffer[440+i] = convert_ascii(ascii_str[i]); |
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} |
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counter++; |
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// Update line 15 only |
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osd_write_line(15); |
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} |
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if(currentTime >= (bloopTime + 200)) |
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{ |
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// This loop runs every 200mS and simply uses the block character |
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// we created to display a bar across the screen |
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// Increment bar display |
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// Bar displayed at line 15 col 2 = (14*30)+2 |
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bloopTime = currentTime; // Updates cloopTime |
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for(i=0;i<BAR_LENGTH;i++) |
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{ |
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if(i<barsize) osd_buffer[(14*30)+2+i] = 0xC0; |
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else osd_buffer[(14*30)+2+i] = convert_ascii(' ');; |
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} |
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barsize++; |
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if(barsize>=BAR_LENGTH) barsize=0; |
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// Update line 15 |
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osd_write_line(15); |
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} |
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if (osd_writeOK) |
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{ |
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// if osd_writeOK is set then rewrite full screen |
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osd_writeOK = false; |
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osd_write_screen(); |
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} |
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} |
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////////////////////////////////////////////////////////////// |
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// Print a string to position row/col |
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// Places the text into the correct location in the display buffer |
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void osd_print(unsigned int osd_line, unsigned int osd_col, const String &s){ |
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for (int i = 0; i < s.length(); i++) { |
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osd_buffer[((osd_line-1)*MAX_SCREEN_WIDTH)+osd_col+i] = convert_ascii((byte) s[i]); |
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} |
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} |
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////////////////////////////////////////////////////////////// |
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byte spi_send_byte(byte address, volatile byte data) |
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{ |
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SPDR = address; // Start the transmission |
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while (!(SPSR & (1<<SPIF))) {}; // Wait the end of the transmission |
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SPDR = data; // Start the transmission |
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while (!(SPSR & (1<<SPIF))) {}; // Wait the end of the transmission |
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return SPDR; // return the received byte |
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} |
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////////////////////////////////////////////////////////////// |
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byte convert_ascii (int character) |
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{ |
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// for some reason the MAX7456 does not follow ascii letter |
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// placement, so you have to have this odd lookup table |
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byte lookup_char; |
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if (character == 32) |
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lookup_char = 0x00; // blank space |
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else if (character == 48) |
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lookup_char = 0x0a; // 0 |
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else if ((character > 48) && (character < 58)) |
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lookup_char = (character - 48); // 1-9 |
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else if ((character > 64) && (character < 90)) |
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lookup_char = (character - 54); // A-Z |
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else if ((character > 96) && (character < 123)) |
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lookup_char = (character - 60); // a-z |
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else if (character == 34) |
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lookup_char = 0x48; // " |
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else if (character == 39) |
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lookup_char = 0x46; // ' |
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else if (character == 40) |
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lookup_char = 0x3f; // ( |
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else if (character == 41) |
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lookup_char = 0x40; // ) |
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else if (character == 44) |
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lookup_char = 0x45; // , |
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else if (character == 45) |
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lookup_char = 0x49; // - |
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else if (character == 46) |
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lookup_char = 0x41; // . |
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else if (character == 47) |
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lookup_char = 0x47; // / |
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else if (character == 58) |
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lookup_char = 0x44; // : |
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else if (character == 59) |
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lookup_char = 0x43; // ; |
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else if (character == 60) |
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lookup_char = 0x4a; // < |
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else if (character == 62) |
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lookup_char = 0x4b; // > |
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else if (character == 63) |
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lookup_char = 0x42; // ? |
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else |
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lookup_char = 0x00; // out of range, blank space |
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return (lookup_char); |
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} |
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////////////////////////////////////////////////////////////// |
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void osd_create_block_char() |
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{ |
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// Create a solid White block char at character location 0xC0 |
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// This function only need to be called once as the character |
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// is stored in the MAX7456 eeprom |
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// Check out https://sites.google.com/site/qeewiki/projects/q-s-max7456-img-gen/QMIG_v1.10.rar?attredirects=0 |
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// for a free character creation tool for the MAX7456 |
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unsigned char i; |
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digitalWrite(MAX7456SELECT,LOW); |
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// disable display |
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spi_send_byte(MAX_VM0_REG, MAX_DISABLE_DISPLAY); |
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// Create Character at 0xC0 - See MAX7456 datasheet for character locations |
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spi_send_byte(MAX_CMAH_REG, 0xC0); // Write to address 0xC0 |
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// We need to send 54 bytes of data to store the character. Our 'block' character |
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// is all the same, so we can loop here |
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for(i=0;i<54;i++) |
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{ |
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spi_send_byte(0x0A, i); |
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spi_send_byte(0x0B, 0b10101010); |
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} |
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spi_send_byte(MAX_CMM_REG,0xA0); |
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digitalWrite(MAX7456SELECT,HIGH); |
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delay(200); |
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} |
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////////////////////////////////////////////////////////////// |
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void osd_clear_screen() |
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{ |
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// clear the screen |
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digitalWrite(MAX7456SELECT,LOW); |
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spi_send_byte(MAX_DMM_REG,MAX_CLEAR_DISPLAY); |
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digitalWrite(MAX7456SELECT,HIGH); |
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} |
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////////////////////////////////////////////////////////////// |
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void osd_write_line(unsigned int linenum) |
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{ |
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// Instead of redrawing the whole screen, we may only need to |
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// change one or more lines. |
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unsigned int x, local_count, start_address; |
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byte char_address_hi, char_address_lo; |
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byte osd_char; |
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local_count = MAX_SCREEN_WIDTH; |
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start_address = (linenum-1) * MAX_SCREEN_WIDTH; |
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digitalWrite(MAX7456SELECT,LOW); |
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spi_send_byte(MAX_DMM_REG,0x01); //16 bit trans w/o background |
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spi_send_byte(MAX_DMAH_REG,(unsigned char)(start_address>>8)); // set start address high |
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spi_send_byte(MAX_DMAL_REG,(unsigned char)(start_address)); // set start address low |
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x = 0; |
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while(local_count) // write out full screen |
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{ |
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osd_char = osd_buffer[((linenum-1)*MAX_SCREEN_WIDTH)+x]; |
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spi_send_byte(MAX_DMDI_REG,osd_char); |
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x++; |
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local_count--; |
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} |
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spi_send_byte(MAX_DMDI_REG,MAX_END_STRING); |
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digitalWrite(MAX7456SELECT,HIGH); |
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} |
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////////////////////////////////////////////////////////////// |
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void osd_write_screen() |
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{ |
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// Change the data for the whole screen |
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int x, local_count; |
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byte char_address_hi, char_address_lo; |
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byte osd_char; |
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local_count = MAX_SCREEN_SIZE; |
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digitalWrite(MAX7456SELECT,LOW); |
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spi_send_byte(MAX_DMM_REG,0x01); //16 bit trans w/o background |
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spi_send_byte(MAX_DMAH_REG,0x00); // set start address high |
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spi_send_byte(MAX_DMAL_REG,0x00); // set start address low |
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x = 0; |
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while(local_count) // write out full screen |
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{ |
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osd_char = osd_buffer[x]; |
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spi_send_byte(MAX_DMDI_REG,osd_char); |
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x++; |
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local_count--; |
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} |
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spi_send_byte(MAX_DMDI_REG,MAX_END_STRING); |
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digitalWrite(MAX7456SELECT,HIGH); |
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} |
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###############################################################################################################3 |
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@ -1,2 +1,2 @@ |
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#!/bin/bash |
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curl http://192.168.1.1/feeds; echo |
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curl -s http://192.168.1.1/feeds; echo |
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