kopia lustrzana https://github.com/mikaelnousiainen/RS41ng
Modified formula for voltage calculation on dfm17 (#81)
rodzic
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@ -211,7 +211,14 @@ static void dma_adc_init()
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uint16_t system_get_battery_voltage_millivolts()
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uint16_t system_get_battery_voltage_millivolts()
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{
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{
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#ifdef RS41
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return (uint16_t) (((float) dma_buffer_adc[0]) * 10.0f * 600.0f / 4096.0f);
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return (uint16_t) (((float) dma_buffer_adc[0]) * 10.0f * 600.0f / 4096.0f);
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#else //DFM17
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// Kludge: DFM17 voltage is more than 5 volts, so cut the value in half.
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// Changed 600 to 690 to try and get it more accurate to actual voltage
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// 690 yields fairly linear, accurate results between 5v6 and 6v6
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return (uint16_t) ( ((float) dma_buffer_adc[0]) * 10.0f * 690.0f / 8192.0f );
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#endif
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}
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}
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uint16_t system_get_button_adc_value()
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uint16_t system_get_button_adc_value()
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