Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1702 | - | 1 | #include <FastSerial.h> |
| 2 | |||
| 3 | #undef PROGMEM |
||
| 4 | #define PROGMEM __attribute__(( section(".progmem.data") )) |
||
| 5 | |||
| 6 | #undef PSTR |
||
| 7 | #define PSTR(s) (__extension__({static prog_char __c[] PROGMEM = (s); &__c[0];})) |
||
| 8 | |||
| 9 | #include "ArduCam_Max7456.h" |
||
| 10 | #include "WProgram.h" |
||
| 11 | #include "Spi.h" |
||
| 12 | |||
| 13 | volatile int x; |
||
| 14 | |||
| 15 | OSD::OSD() |
||
| 16 | { |
||
| 17 | } |
||
| 18 | |||
| 19 | //------------------ init --------------------------------------------------- |
||
| 20 | |||
| 21 | void OSD::init() |
||
| 22 | { |
||
| 23 | pinMode(MAX7456_SELECT,OUTPUT); |
||
| 24 | digitalWrite(MAX7456_SELECT,HIGH); //disable device |
||
| 25 | pinMode(MAX7456_VSYNC, INPUT); |
||
| 26 | //digitalWrite(MAX7456_VSYNC,HIGH); //enabling pull-up resistor |
||
| 27 | // force soft reset on Max7456 |
||
| 28 | digitalWrite(MAX7456_SELECT,LOW); |
||
| 29 | Spi.transfer(MAX7456_VM0_reg); |
||
| 30 | Spi.transfer(MAX7456_RESET); |
||
| 31 | digitalWrite(MAX7456_SELECT,HIGH); |
||
| 32 | delay(50); |
||
| 33 | |||
| 34 | // set all rows to same charactor white level, 90% |
||
| 35 | digitalWrite(MAX7456_SELECT,LOW); |
||
| 36 | for (x = 0; x < MAX7456_screen_rows; x++) |
||
| 37 | { |
||
| 38 | Spi.transfer(x + 0x10); |
||
| 39 | Spi.transfer(MAX7456_WHITE_level_120); |
||
| 40 | } |
||
| 41 | // define sync (auto,int,ext) and |
||
| 42 | // making sure the Max7456 is enabled |
||
| 43 | control(1); |
||
| 44 | //digitalWrite(MAX7456_SELECT,HIGH); |
||
| 45 | |||
| 46 | //Serial.println("Initialized!"); |
||
| 47 | } |
||
| 48 | |||
| 49 | //------------------ plug --------------------------------------------------- |
||
| 50 | |||
| 51 | void OSD::plug() |
||
| 52 | { |
||
| 53 | digitalWrite(MAX7456_SELECT,LOW); |
||
| 54 | } |
||
| 55 | |||
| 56 | //------------------ clear --------------------------------------------------- |
||
| 57 | |||
| 58 | void OSD::clear() |
||
| 59 | { |
||
| 60 | // clear the screen |
||
| 61 | digitalWrite(MAX7456_SELECT,LOW); |
||
| 62 | Spi.transfer(MAX7456_DMM_reg); |
||
| 63 | Spi.transfer(MAX7456_CLEAR_display); |
||
| 64 | digitalWrite(MAX7456_SELECT,HIGH); |
||
| 65 | } |
||
| 66 | |||
| 67 | //------------------ set panel ----------------------------------------------- |
||
| 68 | |||
| 69 | void |
||
| 70 | OSD::setPanel(uint8_t st_col, uint8_t st_row){ |
||
| 71 | start_col = st_col; |
||
| 72 | start_row = st_row; |
||
| 73 | col = st_col; |
||
| 74 | row = st_row; |
||
| 75 | //Serial.printf("setPanel -> %d %d %d %d\n", start_col, start_row, max_col, max_row); |
||
| 76 | } |
||
| 77 | |||
| 78 | //------------------ open panel ---------------------------------------------- |
||
| 79 | |||
| 80 | void |
||
| 81 | OSD::openPanel(void){ |
||
| 82 | unsigned int linepos; |
||
| 83 | byte settings, char_address_hi, char_address_lo; |
||
| 84 | |||
| 85 | //find [start address] position |
||
| 86 | linepos = row*30+col; |
||
| 87 | |||
| 88 | // divide 16 bits into hi & lo byte |
||
| 89 | char_address_hi = linepos >> 8; |
||
| 90 | char_address_lo = linepos; |
||
| 91 | |||
| 92 | //Auto increment turn writing fast (less SPI commands). |
||
| 93 | //No need to set next char address. Just send them |
||
| 94 | settings = MAX7456_INCREMENT_auto; //To Enable DMM Auto Increment |
||
| 95 | digitalWrite(MAX7456_SELECT,LOW); |
||
| 96 | Spi.transfer(MAX7456_DMM_reg); //dmm |
||
| 97 | Spi.transfer(settings); |
||
| 98 | |||
| 99 | Spi.transfer(MAX7456_DMAH_reg); // set start address high |
||
| 100 | Spi.transfer(char_address_hi); |
||
| 101 | |||
| 102 | Spi.transfer(MAX7456_DMAL_reg); // set start address low |
||
| 103 | Spi.transfer(char_address_lo); |
||
| 104 | //Serial.printf("setPos -> %d %d\n", col, row); |
||
| 105 | } |
||
| 106 | |||
| 107 | //------------------ close panel --------------------------------------------- |
||
| 108 | |||
| 109 | void |
||
| 110 | OSD::closePanel(void){ |
||
| 111 | Spi.transfer(MAX7456_DMDI_reg); |
||
| 112 | Spi.transfer(MAX7456_END_string); //This is needed "trick" to finish auto increment |
||
| 113 | digitalWrite(MAX7456_SELECT,HIGH); |
||
| 114 | //Serial.println("close"); |
||
| 115 | row++; //only after finish the auto increment the new row will really act as desired |
||
| 116 | } |
||
| 117 | |||
| 118 | //------------------ write --------------------------------------------------- |
||
| 119 | |||
| 120 | void |
||
| 121 | OSD::write(uint8_t c){ |
||
| 122 | if(c == '|'){ |
||
| 123 | closePanel(); //It does all needed to finish auto increment and change current row |
||
| 124 | openPanel(); //It does all needed to re-enable auto increment |
||
| 125 | } |
||
| 126 | else{ |
||
| 127 | Spi.transfer(MAX7456_DMDI_reg); |
||
| 128 | Spi.transfer(c); |
||
| 129 | } |
||
| 130 | } |
||
| 131 | |||
| 132 | //------------------ |
||
| 133 | |||
| 134 | void |
||
| 135 | OSD::control(uint8_t ctrl){ |
||
| 136 | digitalWrite(MAX7456_SELECT,LOW); |
||
| 137 | Spi.transfer(MAX7456_VM0_reg); |
||
| 138 | switch(ctrl){ |
||
| 139 | case 0: |
||
| 140 | Spi.transfer(MAX7456_DISABLE_display); |
||
| 141 | break; |
||
| 142 | case 1: |
||
| 143 | //Spi.transfer(MAX7456_ENABLE_display_vert | MAX7456_SYNC_internal); |
||
| 144 | //Spi.transfer(MAX7456_ENABLE_display_vert | MAX7456_SYNC_external); |
||
| 145 | Spi.transfer(MAX7456_ENABLE_display_vert | MAX7456_SYNC_autosync); |
||
| 146 | break; |
||
| 147 | } |
||
| 148 | digitalWrite(MAX7456_SELECT,HIGH); |
||
| 149 | } |
||
| 150 | |||
| 151 | //------------------ pure virtual ones (just overriding) --------------------- |
||
| 152 | |||
| 153 | int OSD::available(void){ |
||
| 154 | } |
||
| 155 | int OSD::read(void){ |
||
| 156 | } |
||
| 157 | int OSD::peek(void){ |
||
| 158 | } |
||
| 159 | void OSD::flush(void){ |
||
| 160 | } |