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This commit is contained in:
Thomas Göttgens
2023-01-21 14:34:29 +01:00
parent 6cf18b7d07
commit 51b2c431d9
234 changed files with 4989 additions and 5101 deletions
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69
src/detect/einkScan.h
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@@ -6,42 +6,49 @@
void d_writeCommand(uint8_t c)
{
SPI1.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));
if (PIN_EINK_DC >= 0) digitalWrite(PIN_EINK_DC, LOW);
if (PIN_EINK_CS >= 0) digitalWrite(PIN_EINK_CS, LOW);
SPI1.transfer(c);
if (PIN_EINK_CS >= 0) digitalWrite(PIN_EINK_CS, HIGH);
if (PIN_EINK_DC >= 0) digitalWrite(PIN_EINK_DC, HIGH);
SPI1.endTransaction();
SPI1.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));
if (PIN_EINK_DC >= 0)
digitalWrite(PIN_EINK_DC, LOW);
if (PIN_EINK_CS >= 0)
digitalWrite(PIN_EINK_CS, LOW);
SPI1.transfer(c);
if (PIN_EINK_CS >= 0)
digitalWrite(PIN_EINK_CS, HIGH);
if (PIN_EINK_DC >= 0)
digitalWrite(PIN_EINK_DC, HIGH);
SPI1.endTransaction();
}
void d_writeData(uint8_t d)
{
SPI1.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));
if (PIN_EINK_CS >= 0) digitalWrite(PIN_EINK_CS, LOW);
SPI1.transfer(d);
if (PIN_EINK_CS >= 0) digitalWrite(PIN_EINK_CS, HIGH);
SPI1.endTransaction();
SPI1.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));
if (PIN_EINK_CS >= 0)
digitalWrite(PIN_EINK_CS, LOW);
SPI1.transfer(d);
if (PIN_EINK_CS >= 0)
digitalWrite(PIN_EINK_CS, HIGH);
SPI1.endTransaction();
}
unsigned long d_waitWhileBusy(uint16_t busy_time)
{
if (PIN_EINK_BUSY >= 0)
{
delay(1); // add some margin to become active
unsigned long start = micros();
while (1)
{
if (digitalRead(PIN_EINK_BUSY) != HIGH) break;
delay(1);
if (digitalRead(PIN_EINK_BUSY) != HIGH) break;
if (micros() - start > 10000000) break;
}
unsigned long elapsed = micros() - start;
(void) start;
return elapsed;
}
else return busy_time;
if (PIN_EINK_BUSY >= 0) {
delay(1); // add some margin to become active
unsigned long start = micros();
while (1) {
if (digitalRead(PIN_EINK_BUSY) != HIGH)
break;
delay(1);
if (digitalRead(PIN_EINK_BUSY) != HIGH)
break;
if (micros() - start > 10000000)
break;
}
unsigned long elapsed = micros() - start;
(void)start;
return elapsed;
} else
return busy_time;
}
void scanEInkDevice(void)
@@ -51,10 +58,10 @@ void scanEInkDevice(void)
d_writeData(0x83);
d_writeCommand(0x20);
eink_found = (d_waitWhileBusy(150) > 0) ? true : false;
if(eink_found)
LOG_DEBUG("EInk display found\n");
if (eink_found)
LOG_DEBUG("EInk display found\n");
else
LOG_DEBUG("EInk display not found\n");
LOG_DEBUG("EInk display not found\n");
SPI1.end();
}
#endif