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Asbelos 2024-10-04 14:33:23 +01:00
parent 7e7c00594b
commit 3f26ca2d1a
1 changed files with 26 additions and 8 deletions
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32
IO_TM1638.h
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@ -23,6 +23,23 @@
#include "IODevice.h"
#include "DIAG.h"
#include "TM1638x.h"
enum DigitFormat : byte {
// last 4 bits are length.
// DF_1.. DF_8 decimal
DF_1=0x01,DF_2=0x02,DF_3=0x03,DF_4=0x04,
DF_5=0x05,DF_6=0x06,DF_7=0x07,DF_8=0x08,
// DF_1X.. DF_8X HEX
DF_1X=0x11,DF_2X=0x12,DF_3X=0x13,DF_4X=0x14,
DF_5X=0x15,DF_6X=0x16,DF_7X=0x17,DF_8X=0x18,
// DF_1R .. DF_4R raw 7 segmnent data
// only 4 because HAL analogWrite only passes 4 bytes
DF_1R=0x21,DF_2R=0x22,DF_3R=0x23,DF_4R=0x24,
// bits of data conversion type (ored with length)
_DF_DECIMAL=0x00,// right adjusted decimal unsigned leading zeros
_DF_HEX=0x10, // right adjusted hex leading zeros
_DF_RAW=0x20, // bytes are raw 7-segment pattern (max length 4)
};
class TM1638 : public IODevice {
private:
@ -88,8 +105,9 @@ void _write(VPIN vpin, int value) override {
void _writeAnalogue(VPIN vpin, int lowBytes, uint8_t mode, uint16_t highBytes) override {
DIAG(F("TM1638 writeAnalogue(v=%d,l=%d,m=%d,h=%d"),vpin,lowBytes,mode,highBytes);
byte formatLength=mode & 0x0f;
byte formatType=mode>>4;
// mode is in DataFormat defined above.
byte formatLength=mode & 0x0F; // last 4 bits
byte formatType=mode & 0xF0; //
int8_t leftDigit=vpin-_firstVpin; // 0..7 from left
int8_t rightDigit=leftDigit+formatLength-1; // 0..7 from left
@ -102,21 +120,21 @@ void _writeAnalogue(VPIN vpin, int lowBytes, uint8_t mode, uint16_t highBytes) o
startDigit,lastDigit,value);
while(startDigit<=lastDigit) {
switch (formatType) {
case 0:// decimal (leading zeros)
case _DF_DECIMAL:// decimal (leading zeros)
tm->displayVal(startDigit,value%10);
value=value/10;
break;
case 1:// HEX (leading zeros)
case _DF_HEX:// HEX (leading zeros)
tm->displayVal(startDigit,value & 0x0F);
value>>=4;
break;
case 2:// Raw 7-segment pattern
case _DF_RAW:// Raw 7-segment pattern
tm->displayDig(startDigit,value & 0xFF);
value>>=8;
break;
default:
tm->displayDig(startDigit,0);
break;
DIAG(F("TM1368 invalid mode 0x%x"),mode);
return;
}
startDigit++;
}