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CF/BF - cleanup notes regarding the design choices that were made regarding 

MSP_VOLTAGE_METER_CONFIG/MSP_CURRENT_METER_CONFIG.
This commit is contained in:
Hydra 2017-03-16 19:44:56 +00:00 committed by Dominic Clifton
parent c6d1148134
commit 15241b1955
1 changed files with 7 additions and 2 deletions
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9
src/main/fc/fc_msp.c
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@ -910,10 +910,12 @@ static bool mspFcProcessOutCommand(uint8_t cmdMSP, sbuf_t *dst, mspPostProcessFn
break;
case MSP_VOLTAGE_METER_CONFIG:
BUILD_BUG_ON(VOLTAGE_SENSOR_ADC_VBAT != 0);
// by using a sensor type and a sub-frame length it's possible to configure any type of voltage meter,
// e.g. an i2c/spi/can sensor or any sensor not built directly into the FC such as ESC/RX/SPort/SBus that has
// different configuration requirements.
BUILD_BUG_ON(VOLTAGE_SENSOR_ADC_VBAT != 0); // VOLTAGE_SENSOR_ADC_VBAT should be the first index,
sbufWriteU8(dst, MAX_VOLTAGE_SENSOR_ADC); // voltage meters in payload
for (int i = VOLTAGE_SENSOR_ADC_VBAT; i < MAX_VOLTAGE_SENSOR_ADC; i++) {
// note, by indicating a sensor type and a sub-frame length it's possible to configure any type of voltage meter, i.e. all sensors not built directly into the FC such as ESC/RX/SPort/SBus
sbufWriteU8(dst, VOLTAGE_SENSOR_TYPE_ADC_RESISTOR_DIVIDER); // indicate the type of sensor that the next part of the payload is for
sbufWriteU8(dst, 3); // ADC sensor sub-frame length
sbufWriteU8(dst, voltageSensorADCConfig(i)->vbatscale);
@ -924,6 +926,9 @@ static bool mspFcProcessOutCommand(uint8_t cmdMSP, sbuf_t *dst, mspPostProcessFn
break;
case MSP_CURRENT_METER_CONFIG:
// the ADC and VIRTUAL sensors have the same configuration requirements, however this API reflects
// that this situation may change and allows us to support configuration of any current sensor with
// specialist configuration requirements.
BUILD_BUG_ON(CURRENT_SENSOR_VIRTUAL != 0);
BUILD_BUG_ON(CURRENT_SENSOR_ADC != 1);