boards/ertm14: minor fixes for clarity of code

8641301b · Tomasz Wlostowski · a01d16cb · 8641301b
Commit 8641301b authored Nov 26, 2020 by Tomasz Wlostowski
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ertm15_rf_distr.c boards/ertm14/ertm15_rf_distr.c +4 -3

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--- a/boards/ertm14/ertm15_rf_distr.c
+++ b/boards/ertm14/ertm15_rf_distr.c
@@ -234,16 +234,17 @@ static int convert_power( int adc_value )

 #define ADC_CH_LO_DDS_PA 0
 #define ADC_CH_LO_DDS_DISTR 1
-
 #define ADC_CH_REF_DDS_PA 2
 #define ADC_CH_REF_DDS_DISTR 3

+#define ADC_CHANNEL_MASK 0xf
+
 int ertm15_rf_distr_measure_power ( struct ertm15_rf_distribution_device *dev )
 {
    int i;
-    ad7888_start_conversion( dev->pwr_mon_adc, 0x0f );
+    ad7888_start_conversion( dev->pwr_mon_adc, ADC_CHANNEL_MASK );

-    while( dev->pwr_mon_adc->channel_valid != 0x0f )
+    while( dev->pwr_mon_adc->channel_valid != ADC_CHANNEL_MASK )
    {
        ad7888_poll( dev->pwr_mon_adc );
        timer_delay_ms(1);