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Merge pull request #5792 from thinkyhead/rc_default_dac_vals

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Default DAC values for RigidBoard V2
This commit is contained in:
Scott Lahteine 2017-02-09 22:56:03 -06:00 committed by GitHub
commit 633c253bc1
2 changed files with 7 additions and 1 deletions
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1
Marlin/pins_RIGIDBOARD_V2.h
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@ -44,3 +44,4 @@
#define DAC_STEPPER_GAIN 1 // value of 1 here sets gain of 2 #define DAC_STEPPER_GAIN 1 // value of 1 here sets gain of 2
#define DAC_DISABLE_PIN 42 // set low to enable DAC #define DAC_DISABLE_PIN 42 // set low to enable DAC
#define DAC_OR_ADDRESS 0x01 #define DAC_OR_ADDRESS 0x01
#define DAC_STEPPER_DFLT { 70, 80, 90, 80 } // Default values for drive strength percent

7
Marlin/stepper_dac.cpp
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@ -49,7 +49,7 @@
bool dac_present = false; bool dac_present = false;
const uint8_t dac_order[NUM_AXIS] = DAC_STEPPER_ORDER; const uint8_t dac_order[NUM_AXIS] = DAC_STEPPER_ORDER;
uint16_t dac_channel_pct[XYZE]; uint16_t dac_channel_pct[XYZE] = DAC_STEPPER_DFLT;
int dac_init() { int dac_init() {
#if PIN_EXISTS(DAC_DISABLE) #if PIN_EXISTS(DAC_DISABLE)
@ -65,6 +65,11 @@
mcp4728_setVref_all(DAC_STEPPER_VREF); mcp4728_setVref_all(DAC_STEPPER_VREF);
mcp4728_setGain_all(DAC_STEPPER_GAIN); mcp4728_setGain_all(DAC_STEPPER_GAIN);
if (mcp4728_getDrvPct(0) < 1 || mcp4728_getDrvPct(1) < 1 || mcp4728_getDrvPct(2) < 1 || mcp4728_getDrvPct(3) < 1 ) {
mcp4728_setDrvPct(dac_channel_pct);
mcp4728_eepromWrite();
}
return 0; return 0;
} }