Superminaren
/
MMDVM
mirror of https://github.com/g4klx/MMDVM.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add Due RSSI input.

This commit is contained in:
Jonathan Naylor 2016-12-21 08:49:57 +00:00 committed by GitHub
parent b0ebe60589
commit 226bdf52e1
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
IODue.cpp
View File

@ -51,6 +51,8 @@
#define ADC_CDR_Chan 13
#define DACC_MR_USER_SEL_Chan DACC_MR_USER_SEL_CHANNEL1 // DAC on Due DAC1
#define DACC_CHER_Chan DACC_CHER_CH1
#define RSSI_CHER_Chan (1<<1) // ADC on Due pin A6 - Due AD1 - (1 << 1)
#define RSSI_CDR_Chan 1
#elif defined(ARDUINO_DUE_NTH)
#define PIN_COS A7
#define PIN_PTT A8
@ -64,6 +66,8 @@
#define ADC_CDR_Chan 7
#define DACC_MR_USER_SEL_Chan DACC_MR_USER_SEL_CHANNEL0 // DAC on Due DAC0
#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
#error "Either ARDUINO_DUE_PAPA, ARDUINO_DUE_ZUM_V10, or ARDUINO_DUE_NTH need to be defined"
#endif
@ -104,7 +108,10 @@ void CIO::startInt()
ADC->ADC_IDR = 0xFFFFFFFF; // Disable interrupts
ADC->ADC_IER = ADC_CHER_Chan; // Enable End-Of-Conv interrupt
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
#if defined(SEND_RSSI_DATA)
ADC->ADC_CHER |= RSSI_CHER_Chan; // and RSSI input
#endif
ADC->ADC_CGR = 0x15555555; // All gains set to x1
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
@ -169,7 +176,11 @@ void CIO::interrupt(uint8_t source)
sample = ADC->ADC_CDR[ADC_CDR_Chan];
m_rxBuffer.put(sample, control);
#if defined(SEND_RSSI_DATA)
m_rssiBuffer.put(ADC->ADC_CDR[RSSI_CDR_Chan]);
#else
m_rssiBuffer.put(0U);
#endif
m_watchdog++;
}