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Start working on RF95 attached to Raspberry Pi

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This commit is contained in:
Thomas Göttgens
2022-12-30 21:44:51 +01:00
parent 9a04aaa811
commit 8c20fe5ec4
5 changed files with 64 additions and 5 deletions
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36
variants/portduino/variant.h
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@@ -1,3 +1,35 @@
#if defined(ARCH_RASPBERRY_PI)
#define GPIOD_CHIP_LABEL "pinctrl-bcm2711"
#define USE_RF95
#define USE_SX1262
#define NO_SCREEN
#define RF95_SCK 11
#define RF95_MISO 9
#define RF95_MOSI 10
#define RF95_NSS RADIOLIB_NC
#define LORA_DIO0 4 // a No connect on the SX1262 module
#define LORA_DIO0_LABEL "GPIO_GCLK"
#define LORA_RESET 17
#define LORA_RESET_LABEL "GPIO17"
#define LORA_DIO1 RADIOLIB_NC // SX1262 IRQ, called DIO0 on pinelora schematic, pin 7 on ch341f "ack" - FIXME, enable hwints in linux
#define LORA_DIO2 RADIOLIB_NC // SX1262 BUSY, actually connected to "DIO5" on pinelora schematic, pin 8 on ch341f "slct"
#define LORA_DIO3 RADIOLIB_NC // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
#ifdef USE_SX1262
#define SX126X_CS RF95_NSS
#define SX126X_DIO1 LORA_DIO0
#define SX126X_BUSY LORA_DIO2
#define SX126X_RESET LORA_RESET
// HOPE RFM90 does not have a TCXO therefore not SX126X_E22
#endif
#else // Pine64 mode.
// Pine64 uses a common pinout for their SX1262 vs RF95 modules - both can be enabled and we will probe at runtime for RF95 and if
// not found then probe for SX1262. Currently the RF95 code is disabled because I think the RF95 module won't need to ship.
// #define USE_RF95
@@ -13,7 +45,7 @@
#define LORA_RESET 14
#define LORA_DIO1 33 // SX1262 IRQ, called DIO0 on pinelora schematic, pin 7 on ch341f "ack" - FIXME, enable hwints in linux
#define LORA_DIO2 32 // SX1262 BUSY, actually connected to "DIO5" on pinelora schematic, pin 8 on ch341f "slct"
#define LORA_DIO3 // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
#define LORA_DIO3 RADIOLIB_NC // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
#ifdef USE_SX1262
#define SX126X_CS 20 // CS0 on pinelora schematic, hooked to gpio D0 on ch341f
@@ -23,3 +55,5 @@
// HOPE RFM90 does not have a TCXO therefore not SX126X_E22
#endif
#endif