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RSSI readout support for NTH board @Arduino Due

This commit is contained in:
Paweł Gomułka 2016-12-20 20:32:54 +01:00
parent 0585d817cb
commit 2c76d67098
1 changed files with 5 additions and 2 deletions
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7
IODue.cpp
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@ -64,6 +64,8 @@
#define ADC_CDR_Chan 7 #define ADC_CDR_Chan 7
#define DACC_MR_USER_SEL_Chan DACC_MR_USER_SEL_CHANNEL0 // DAC on Due DAC0 #define DACC_MR_USER_SEL_Chan DACC_MR_USER_SEL_CHANNEL0 // DAC on Due DAC0
#define DACC_CHER_Chan DACC_CHER_CH0 #define DACC_CHER_Chan DACC_CHER_CH0
#define RSSI_CHER_Chan (1<<1) // ADC on Due pin A6 - Due AD1 - (1 << 1)
#define RSSI_CDR_Chan 1
#else #else
#error "Either ARDUINO_DUE_PAPA, ARDUINO_DUE_ZUM_V10, or ARDUINO_DUE_NTH need to be defined" #error "Either ARDUINO_DUE_PAPA, ARDUINO_DUE_ZUM_V10, or ARDUINO_DUE_NTH need to be defined"
#endif #endif
@ -104,7 +106,8 @@ void CIO::startInt()
ADC->ADC_IDR = 0xFFFFFFFF; // Disable interrupts ADC->ADC_IDR = 0xFFFFFFFF; // Disable interrupts
ADC->ADC_IER = ADC_CHER_Chan; // Enable End-Of-Conv interrupt ADC->ADC_IER = ADC_CHER_Chan; // Enable End-Of-Conv interrupt
ADC->ADC_CHDR = 0xFFFF; // Disable all channels ADC->ADC_CHDR = 0xFFFF; // Disable all channels
ADC->ADC_CHER = ADC_CHER_Chan; // Enable just one channel ADC->ADC_CHER = ADC_CHER_Chan | // Enable rx input channel
RSSI_CHER_Chan; // and RSSI input
ADC->ADC_CGR = 0x15555555; // All gains set to x1 ADC->ADC_CGR = 0x15555555; // All gains set to x1
ADC->ADC_COR = 0x00000000; // All offsets off ADC->ADC_COR = 0x00000000; // All offsets off
ADC->ADC_MR = (ADC->ADC_MR & 0xFFFFFFF0) | (1 << 1) | ADC_MR_TRGEN; // 1 = trig source TIO from TC0 ADC->ADC_MR = (ADC->ADC_MR & 0xFFFFFFF0) | (1 << 1) | ADC_MR_TRGEN; // 1 = trig source TIO from TC0
@ -169,7 +172,7 @@ void CIO::interrupt(uint8_t source)
sample = ADC->ADC_CDR[ADC_CDR_Chan]; sample = ADC->ADC_CDR[ADC_CDR_Chan];
m_rxBuffer.put(sample, control); m_rxBuffer.put(sample, control);
m_rssiBuffer.put(0U); m_rssiBuffer.put(ADC->ADC_CDR[RSSI_CDR_Chan]);
m_watchdog++; m_watchdog++;
} }