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Add STM32F1 HW support (#795)

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This commit is contained in:
Olivier
2017-03-25 20:01:31 +01:00
committed by Henrik Ekblad
parent 72926527be
commit cde5d8f7c3
8 changed files with 339 additions and 14 deletions
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drivers/RFM69/RFM69.cpp
+3 -2
View File
@@ -90,6 +90,8 @@ bool RFM69::initialize(uint8_t freqBand, uint8_t nodeID, uint8_t networkID)
hwDigitalWrite(_slaveSelectPin, HIGH);
hwPinMode(_slaveSelectPin, OUTPUT);
hwPinMode(_interruptPin, INPUT);
SPI.begin();
unsigned long start = millis();
uint8_t timeout = 50;
@@ -500,8 +502,7 @@ void RFM69::select()
// set RFM69 SPI settings
SPI.setDataMode(SPI_MODE0);
SPI.setBitOrder(MSBFIRST);
SPI.setClockDivider(
SPI_CLOCK_DIV4); // decided to slow down from DIV2 after SPI stalling in some instances, especially visible on mega1284p when RFM69 and FLASH chip both present
SPI.setClockDivider(MY_RF69_SPI_CLOCK_DIV);
hwDigitalWrite(_slaveSelectPin, LOW);
}
drivers/RFM69/RFM69.h
+27 -2
View File
@@ -31,6 +31,7 @@
#ifndef RFM69_h
#define RFM69_h
#include <Arduino.h> // assumes Arduino IDE v1.0 or greater
#include <SPI.h>
#define RF69_MAX_DATA_LEN 61 // to take advantage of the built in AES/CRC we want to limit the frame size to the internal FIFO size (66 bytes - 3 bytes overhead - 2 bytes crc)
#define RF69_SPI_CS SS // SS is the SPI slave select pin, for instance D10 on ATmega328
@@ -45,14 +46,39 @@
#elif defined(__AVR_ATmega32U4__)
#define RF69_IRQ_PIN 3
#define RF69_IRQ_NUM 0
#elif defined(__arm__)//Use pin 10 or any pin you want
#elif defined(__STM32F1__)
#define RF69_IRQ_PIN PA3
#define RF69_IRQ_NUM PA3
#elif defined(__arm__) //generic ARM
#define RF69_IRQ_PIN 10
#define RF69_IRQ_NUM 10
#elif defined(ARDUINO_ARCH_ESP8266)
#define RF69_IRQ_PIN 2
#define RF69_IRQ_NUM 2
#else
#define RF69_IRQ_PIN 2
#define RF69_IRQ_NUM 0
#endif
// SPI clock@2-4Mhz
#if (F_CPU>=512000000)
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV256
#elif (F_CPU>=256000000)
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV128
#elif (F_CPU>=128000000)
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV64
#elif (F_CPU>=64000000)
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV32
#elif (F_CPU>=32000000)
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV16
#elif (F_CPU>=16000000)
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV8
#elif (F_CPU>=8000000)
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV4
#else
#define RF69_SPI_CLOCK_DIV SPI_CLOCK_DIV2
#endif
#define CSMA_LIMIT -90 // upper RX signal sensitivity threshold in dBm for carrier sense access
#define RF69_MODE_SLEEP 0 // XTAL OFF
@@ -148,7 +174,6 @@ public:
uint8_t readReg(uint8_t addr); //!< readReg
void writeReg(uint8_t addr, uint8_t val); //!< writeReg
void readAllRegs(); //!< readAllRegs
protected:
static void isr0(); //!< isr0
void virtual interruptHandler(); //!< interruptHandler