99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
/***************************************************************
|
|
*
|
|
* External DAC for Alligator Board
|
|
*
|
|
****************************************************************/
|
|
|
|
#include "../../inc/MarlinConfig.h"
|
|
|
|
#if MB(ALLIGATOR)
|
|
|
|
#include "dac_dac084s085.h"
|
|
|
|
#include "../../MarlinCore.h"
|
|
#include "../../module/stepper.h"
|
|
#include "../../HAL/shared/Delay.h"
|
|
|
|
dac084s085::dac084s085() { }
|
|
|
|
void dac084s085::begin() {
|
|
uint8_t externalDac_buf[] = { 0x20, 0x00 }; // all off
|
|
|
|
// All SPI chip-select HIGH
|
|
SET_OUTPUT(DAC0_SYNC);
|
|
#if EXTRUDERS > 1
|
|
SET_OUTPUT(DAC1_SYNC);
|
|
#endif
|
|
cshigh();
|
|
spiBegin();
|
|
|
|
//init onboard DAC
|
|
DELAY_US(2);
|
|
WRITE(DAC0_SYNC, LOW);
|
|
DELAY_US(2);
|
|
WRITE(DAC0_SYNC, HIGH);
|
|
DELAY_US(2);
|
|
WRITE(DAC0_SYNC, LOW);
|
|
|
|
spiSend(SPI_CHAN_DAC, externalDac_buf, COUNT(externalDac_buf));
|
|
WRITE(DAC0_SYNC, HIGH);
|
|
|
|
#if EXTRUDERS > 1
|
|
//init Piggy DAC
|
|
DELAY_US(2);
|
|
WRITE(DAC1_SYNC, LOW);
|
|
DELAY_US(2);
|
|
WRITE(DAC1_SYNC, HIGH);
|
|
DELAY_US(2);
|
|
WRITE(DAC1_SYNC, LOW);
|
|
|
|
spiSend(SPI_CHAN_DAC, externalDac_buf, COUNT(externalDac_buf));
|
|
WRITE(DAC1_SYNC, HIGH);
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
void dac084s085::setValue(const uint8_t channel, const uint8_t value) {
|
|
if (channel >= 7) return; // max channel (X,Y,Z,E0,E1,E2,E3)
|
|
|
|
const uint8_t externalDac_buf[] = {
|
|
0x10 | ((channel > 3 ? 7 : 3) - channel << 6) | (value >> 4),
|
|
0x00 | (value << 4)
|
|
};
|
|
|
|
// All SPI chip-select HIGH
|
|
cshigh();
|
|
|
|
if (channel > 3) { // DAC Piggy E1,E2,E3
|
|
WRITE(DAC1_SYNC, LOW);
|
|
DELAY_US(2);
|
|
WRITE(DAC1_SYNC, HIGH);
|
|
DELAY_US(2);
|
|
WRITE(DAC1_SYNC, LOW);
|
|
}
|
|
else { // DAC onboard X,Y,Z,E0
|
|
WRITE(DAC0_SYNC, LOW);
|
|
DELAY_US(2);
|
|
WRITE(DAC0_SYNC, HIGH);
|
|
DELAY_US(2);
|
|
WRITE(DAC0_SYNC, LOW);
|
|
}
|
|
|
|
DELAY_US(2);
|
|
spiSend(SPI_CHAN_DAC, externalDac_buf, COUNT(externalDac_buf));
|
|
}
|
|
|
|
void dac084s085::cshigh() {
|
|
WRITE(DAC0_SYNC, HIGH);
|
|
#if EXTRUDERS > 1
|
|
WRITE(DAC1_SYNC, HIGH);
|
|
#endif
|
|
WRITE(SPI_EEPROM1_CS, HIGH);
|
|
WRITE(SPI_EEPROM2_CS, HIGH);
|
|
WRITE(SPI_FLASH_CS, HIGH);
|
|
WRITE(SS_PIN, HIGH);
|
|
}
|
|
|
|
#endif // MB(ALLIGATOR)
|