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Fix DMA for high frequency

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F5OEO 2020-07-23 15:14:41 +01:00 committed by f5oeo
parent 93cf35a7ba
commit b90473b76e
1 changed files with 1 additions and 1 deletions
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2
src/gpio.cpp
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@ -263,7 +263,7 @@ uint32_t clkgpio::GetMasterFrac(double Frequency)
if((PllFixDivider==1))//There is no Prediv on Pi4 //Using PDIV thus frequency/2 if((PllFixDivider==1))//There is no Prediv on Pi4 //Using PDIV thus frequency/2
{ {
if(pi_is_2711) // No PDIV on pi4 if(pi_is_2711) // No PDIV on pi4
FloatMult = ((double)(CentralFrequency + Frequency) ) / ((double)(XOSC_FREQUENCY) * (1 - clk_ppm * 1e-6)); FloatMult = ((double)(CentralFrequency + Frequency)*2 ) / ((double)(XOSC_FREQUENCY) * (1 - clk_ppm * 1e-6));
else else
{ {
FloatMult = ((double)(CentralFrequency + Frequency) ) / ((double)(XOSC_FREQUENCY*2) * (1 - clk_ppm * 1e-6)); FloatMult = ((double)(CentralFrequency + Frequency) ) / ((double)(XOSC_FREQUENCY*2) * (1 - clk_ppm * 1e-6));