diff options
Diffstat (limited to 'libloragw/src/loragw_spi.native.c')
-rw-r--r-- | libloragw/src/loragw_spi.native.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libloragw/src/loragw_spi.native.c b/libloragw/src/loragw_spi.native.c index 4720603..2380ecb 100644 --- a/libloragw/src/loragw_spi.native.c +++ b/libloragw/src/loragw_spi.native.c @@ -56,7 +56,8 @@ Maintainer: Sylvain Miermont #define SPI_SPEED 8000000 #define SPI_DEV_PATH "/dev/spidev0.0" //#define SPI_DEV_PATH "/dev/spidev32766.0" -char spi_dev_path[60] = SPI_DEV_PATH; +//char* spi_dev_path = SPI_DEV_PATH; +static char spi_dev_path[64] = {0}; /* custom SPI device path */ /* -------------------------------------------------------------------------- */ /* --- PUBLIC FUNCTIONS DEFINITION ------------------------------------------ */ @@ -92,9 +93,14 @@ int lgw_spi_open(void **spi_target_ptr) { } /* open SPI device */ + + if (spi_dev_path[0] == '\0'){ + strncpy(spi_dev_path, SPI_DEV_PATH, sizeof(spi_dev_path)-1); //sets default path if none defined + } + dev = open(spi_dev_path, O_RDWR); if (dev < 0) { - DEBUG_PRINTF("ERROR: failed to open SPI device %s\n", SPI_DEV_PATH); + DEBUG_PRINTF("ERROR: failed to open SPI device %s\n", spi_dev_path); return LGW_SPI_ERROR; } |