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Fix DAC setDrvPct (#20205)

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This commit is contained in:
Orel 2020-11-20 01:08:21 +01:00 committed by Scott Lahteine
parent afd3ee264b
commit 2abde8a068
3 changed files with 6 additions and 6 deletions
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4
Marlin/src/feature/dac/dac_mcp4728.cpp
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@ -123,8 +123,8 @@ uint8_t MCP4728::getDrvPct(const uint8_t channel) { return uint8_t(100.0 * dac_v
* Receives all Drive strengths as 0-100 percent values, updates
* DAC Values array and calls fastwrite to update the DAC.
*/
void MCP4728::setDrvPct(xyze_uint8_t &pct) {
dac_values *= pct.asFloat() * 0.01f * (DAC_STEPPER_MAX);
void MCP4728::setDrvPct(xyze_uint_t &pct) {
dac_values = pct * (DAC_STEPPER_MAX) * 0.01f;
fastWrite();
}

2
Marlin/src/feature/dac/dac_mcp4728.h
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@ -76,7 +76,7 @@ public:
static uint8_t fastWrite();
static uint8_t simpleCommand(const byte simpleCommand);
static uint8_t getDrvPct(const uint8_t channel);
static void setDrvPct(xyze_uint8_t &pct);
static void setDrvPct(xyze_uint_t &pct);
};
extern MCP4728 mcp4728;

6
Marlin/src/feature/dac/stepper_dac.cpp
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@ -33,7 +33,7 @@
bool dac_present = false;
constexpr xyze_uint8_t dac_order = DAC_STEPPER_ORDER;
xyze_uint8_t dac_channel_pct = DAC_MOTOR_CURRENT_DEFAULT;
xyze_uint_t dac_channel_pct = DAC_MOTOR_CURRENT_DEFAULT;
StepperDAC stepper_dac;
@ -72,8 +72,8 @@ void StepperDAC::set_current_percent(const uint8_t channel, float val) {
set_current_value(channel, _MIN(val, 100.0f) * (DAC_STEPPER_MAX) / 100.0f);
}
static float dac_perc(int8_t n) { return 100.0 * mcp4728.getValue(dac_order[n]) * RECIPROCAL(DAC_STEPPER_MAX); }
static float dac_amps(int8_t n) { return mcp4728.getDrvPct(dac_order[n]) * (DAC_STEPPER_MAX) * 0.125 * RECIPROCAL(DAC_STEPPER_SENSE); }
static float dac_perc(int8_t n) { return mcp4728.getDrvPct(dac_order[n]); }
static float dac_amps(int8_t n) { return mcp4728.getValue(dac_order[n]) * 0.125 * RECIPROCAL(DAC_STEPPER_SENSE * 1000); }
uint8_t StepperDAC::get_current_percent(const AxisEnum axis) { return mcp4728.getDrvPct(dac_order[axis]); }
void StepperDAC::set_current_percents(xyze_uint8_t &pct) {