ser_avr: warn for excessive baudrate skew
[bertos.git] / bertos / cpu / avr / drv / adc_avr.c
index 3eb08b79c2c2cf84bc582c797e912e19f5e828cb..51c81caca5d0ee13b9fd3e9304abb40ce56f7484 100644 (file)
@@ -102,14 +102,25 @@ void adc_hw_select_ch(uint8_t ch)
        #if CPU_AVR_ATMEGA8 || CPU_AVR_ATMEGA328P || CPU_AVR_ATMEGA168
                ADMUX &= ~(BV(MUX3) | BV(MUX2) | BV(MUX1) | BV(MUX0));
        #elif CPU_AVR_ATMEGA32 || CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA1281 \
-             || CPU_AVR_ATMEGA1280
+             || CPU_AVR_ATMEGA1280 || CPU_AVR_ATMEGA2560
                ADMUX &= ~(BV(MUX4) | BV(MUX3) | BV(MUX2) | BV(MUX1) | BV(MUX0));
+               #if CPU_AVR_ATMEGA1280 || CPU_AVR_ATMEGA2560
+                       ADCSRB &= ~(BV(MUX5));
+               #endif
        #else
                #error Unknown CPU
        #endif
 
-       /* Select channel, only first 8 channel modes are supported for now */
+       /* Select channel, only first 8 channel modes are supported */
        ADMUX |= (ch & 0x07);
+
+       #if CPU_AVR_ATMEGA1280 || CPU_AVR_ATMEGA2560
+               /* Select channel, all 16 channels are supported */
+               if (ch > 0x07)
+                       ADCSRB |= BV(MUX5);
+
+       #endif
+
 }