Port of lowpowerlab RFM69 Packet radio library for HopeRF RFM69H with hacks from debugging with a FRDM-KL25Z
Fork of RFM69 by
Diff: RFM69.cpp
- Revision:
- 1:b6d925d3740d
- Parent:
- 0:db6e4ce9dc02
- Child:
- 2:574f229e8182
--- a/RFM69.cpp Sun Mar 08 17:13:43 2015 +0000 +++ b/RFM69.cpp Mon Jun 08 19:53:20 2015 +0000 @@ -56,12 +56,12 @@ volatile int16_t RFM69::RSSI; // most accurate RSSI during reception (closest to the reception) RFM69::RFM69(PinName mosi, PinName miso, PinName sclk, PinName slaveSelectPin, PinName interrupt): - _slaveSelectPin(slaveSelectPin) , _spi(mosi, miso, sclk), _interrupt(interrupt) { + _slaveSelectPin(slaveSelectPin) , _spi(mosi, miso, sclk)/*, _interrupt(interrupt)*/ { // Setup the spi for 8 bit data, high steady state clock, // second edge capture, with a 1MHz clock rate _spi.format(8,0); - _spi.frequency(4000000); + _spi.frequency(1000000); _mode = RF69_MODE_STANDBY; _promiscuousMode = false; _powerLevel = 31; @@ -88,14 +88,14 @@ // +13dBm formula: Pout = -18 + OutputPower (with PA0 or PA1**) // +17dBm formula: Pout = -14 + OutputPower (with PA1 and PA2)** // +20dBm formula: Pout = -11 + OutputPower (with PA1 and PA2)** and high power PA settings (section 3.3.7 in datasheet) - ///* 0x11 */ { REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_OFF | RF_PALEVEL_PA2_OFF | RF_PALEVEL_OUTPUTPOWER_11111}, - ///* 0x13 */ { REG_OCP, RF_OCP_ON | RF_OCP_TRIM_95 }, // over current protection (default is 95mA) + /* 0x11 */ { REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_ON | RF_PALEVEL_PA2_ON | RF_PALEVEL_OUTPUTPOWER_11111}, + /* 0x13 */ { REG_OCP, RF_OCP_ON | RF_OCP_TRIM_95 }, // over current protection (default is 95mA) // RXBW defaults are { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_5} (RxBw: 10.4KHz) /* 0x19 */ { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_16 | RF_RXBW_EXP_2 }, // (BitRate < 2 * RxBw) //for BR-19200: /* 0x19 */ { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_3 }, /* 0x25 */ { REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_01 }, // DIO0 is the only IRQ we're using - /* 0x26 */ { REG_DIOMAPPING2, RF_DIOMAPPING2_CLKOUT_OFF }, // DIO5 ClkOut disable for power saving + ///* 0x26 */ { REG_DIOMAPPING2, RF_DIOMAPPING2_CLKOUT_OFF }, // DIO5 ClkOut disable for power saving /* 0x28 */ { REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN }, // writing to this bit ensures that the FIFO & status flags are reset /* 0x29 */ { REG_RSSITHRESH, 220 }, // must be set to dBm = (-Sensitivity / 2), default is 0xE4 = 228 so -114dBm ///* 0x2D */ { REG_PREAMBLELSB, RF_PREAMBLESIZE_LSB_VALUE } // default 3 preamble bytes 0xAAAAAA @@ -117,19 +117,19 @@ // Setup the spi for 8 bit data : 1RW-bit 7 adressbit and 8 databit // second edge capture, with a 10MHz clock rate - _spi.format(8,0); - _spi.frequency(4000000); + //_spi.format(8,0); + //_spi.frequency(1000000); #define TIME_OUT 50 start_to = t.read_ms() ; - do writeReg(REG_SYNCVALUE1, 0xaa); while (readReg(REG_SYNCVALUE1) != 0xaa && t.read_ms()-start_to < TIME_OUT); + do writeReg(REG_SYNCVALUE1, 0xaa); while (readReg(REG_SYNCVALUE1) != 0xaa);// && t.read_ms()-start_to < TIME_OUT); if (t.read_ms()-start_to >= TIME_OUT) return (false); // Set time out start_to = t.read_ms() ; - do writeReg(REG_SYNCVALUE1, 0x55); while (readReg(REG_SYNCVALUE1) != 0x55 && t.read_ms()-start_to < TIME_OUT); + do writeReg(REG_SYNCVALUE1, 0x55); while (readReg(REG_SYNCVALUE1) != 0x55);// && t.read_ms()-start_to < TIME_OUT); if (t.read_ms()-start_to >= TIME_OUT) return (false); for (uint8_t i = 0; CONFIG[i][0] != 255; i++) writeReg(CONFIG[i][0], CONFIG[i][1]); @@ -138,14 +138,14 @@ // Disable it during initialization so we always start from a known state. encrypt(0); - setHighPower(_isRFM69HW); // called regardless if it's a RFM69W or RFM69HW + //setHighPower(_isRFM69HW); // called regardless if it's a RFM69W or RFM69HW setMode(RF69_MODE_STANDBY); // Set up interrupt handler start_to = t.read_ms() ; - while (((readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00) && t.read_ms()-start_to < TIME_OUT); // Wait for ModeReady + while (((readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00));// && t.read_ms()-start_to < TIME_OUT); // Wait for ModeReady if (t.read_ms()-start_to >= TIME_OUT) return (false); - _interrupt.rise(this, &RFM69::isr0); + //_interrupt.rise(this, &RFM69::isr0); _address = nodeID; return true; @@ -242,8 +242,8 @@ void RFM69::send(uint8_t toAddress, const void* buffer, uint8_t bufferSize, bool requestACK) { writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks - uint32_t now = t.read_ms(); - while (!canSend() && t.read_ms() - now < RF69_CSMA_LIMIT_MS) receiveDone(); + //uint32_t now = t.read_ms(); + //while (!canSend() && t.read_ms() - now < RF69_CSMA_LIMIT_MS) receiveDone(); sendFrame(toAddress, buffer, bufferSize, requestACK, false); } @@ -299,7 +299,7 @@ { setMode(RF69_MODE_STANDBY); // turn off receiver to prevent reception while filling fifo while ((readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00); // wait for ModeReady - writeReg(REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_00); // DIO0 is "Packet Sent" + //writeReg(REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_00); // DIO0 is "Packet Sent" if (bufferSize > RF69_MAX_DATA_LEN) bufferSize = RF69_MAX_DATA_LEN; // control byte @@ -323,8 +323,8 @@ // no need to wait for transmit mode to be ready since its handled by the radio setMode(RF69_MODE_TX); uint32_t txStart = t.read_ms(); - while (_interrupt == 0 && t.read_ms() - txStart < RF69_TX_LIMIT_MS); // wait for DIO0 to turn HIGH signalling transmission finish - //while (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PACKETSENT == 0x00); // wait for ModeReady + //while (_interrupt == 0 && t.read_ms() - txStart < RF69_TX_LIMIT_MS); // wait for DIO0 to turn HIGH signalling transmission finish + while (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PACKETSENT == 0x00); // wait for ModeReady setMode(RF69_MODE_STANDBY); } // ON = disable filtering to capture all frames on network @@ -354,6 +354,7 @@ _slaveSelectPin = 1; } */ +extern Serial pc; // for debugging void RFM69::readAllRegs() { @@ -365,11 +366,7 @@ _spi.write(regAddr & 0x7F); // send address + r/w bit regVal = _spi.write(0); - /* Serial.print(regAddr, HEX); - Serial.print(" - "); - Serial.print(regVal,HEX); - Serial.print(" - "); - Serial.println(regVal,BIN);*/ + pc.printf("%d - %d - %d\r\n", regAddr, regVal, regVal); } unselect(); } @@ -448,11 +445,11 @@ writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks writeReg(REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_01); // set DIO0 to "PAYLOADREADY" in receive mode setMode(RF69_MODE_RX); - _interrupt.enable_irq(); + //_interrupt.enable_irq(); } bool RFM69::receiveDone() { - _interrupt.disable_irq(); // re-enabled in unselect() via setMode() or via receiveBegin() + //_interrupt.disable_irq(); // re-enabled in unselect() via setMode() or via receiveBegin() if (_mode == RF69_MODE_RX && PAYLOADLEN > 0) { setMode(RF69_MODE_STANDBY); // enables interrupts @@ -460,7 +457,7 @@ } else if (_mode == RF69_MODE_RX) // already in RX no payload yet { - _interrupt.enable_irq(); // explicitly re-enable interrupts + //_interrupt.enable_irq(); // explicitly re-enable interrupts return false; } receiveBegin(); @@ -515,7 +512,7 @@ // select the transceiver void RFM69::select() { - _interrupt.disable_irq(); // Disable Interrupts + //_interrupt.disable_irq(); // Disable Interrupts /* // set RFM69 SPI settings SPI.setDataMode(SPI_MODE0); SPI.setBitOrder(MSBFIRST); @@ -526,5 +523,5 @@ // UNselect the transceiver chip void RFM69::unselect() { _slaveSelectPin = 1; - _interrupt.enable_irq(); // Enable Interrupts + //_interrupt.enable_irq(); // Enable Interrupts }