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SAMD21 faster SPI clk, SAMD51 IRQ_PIN

This commit is contained in:
Felix Rusu 2020-03-31 11:53:58 -04:00
parent 1e1236d4b4
commit 1fe8191663
2 changed files with 6 additions and 2 deletions
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6
RFM69.cpp
View File

@ -484,8 +484,10 @@ void RFM69::select() {
// set RFM69 SPI settings explicitly
SPI.setDataMode(SPI_MODE0);
SPI.setBitOrder(MSBFIRST);
#ifdef __arm__
SPI.setClockDivider(SPI_CLOCK_DIV16);
#ifdef defined(__SAMD21__)
SPI.setClockDivider(SPI_CLOCK_DIV2);
#elif defined(__SAMD51__)
SPI.setClockDivider(SPI_CLOCK_DIV16);
#else
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
#endif

2
RFM69.h
View File

@ -129,6 +129,8 @@
#define RF69_IRQ_PIN PA3
#elif defined(MOTEINO_M0)
#define RF69_IRQ_PIN 9
#elif defined(__SAMD51__)
#define RF69_IRQ_PIN 18
#elif defined(ARDUINO_SAMD_ZERO) //includes Feather SAMD
#define RF69_IRQ_PIN 3
#elif defined(ESP8266)