diff options
Diffstat (limited to 'libloragw/src/loragw_reg.c')
-rw-r--r-- | libloragw/src/loragw_reg.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/libloragw/src/loragw_reg.c b/libloragw/src/loragw_reg.c index e707838..5991384 100644 --- a/libloragw/src/loragw_reg.c +++ b/libloragw/src/loragw_reg.c @@ -48,7 +48,8 @@ Maintainer: Sylvain Miermont #define PAGE_ADDR 0x00 #define PAGE_MASK 0x03 -const uint8_t FPGA_VERSION[] = { 28, 31, 32, 33 , 34, 35, 37 }; /* several versions could be supported */ +const uint8_t FPGA_VERSIONS_SUPPORTED[] = { 28, 31, 32, 33, 34, 35, 37 }; /* several versions could be supported */ +const uint8_t FPGA_VERSIONS_SUPPORTING_ATTENUATOR[] = { 32, 34, 35, 37 }; /* defines lgw_send power interpretation */ /* auto generated register mapping for C code : 11-Jul-2013 13:20:40 @@ -488,21 +489,34 @@ int reg_r_align32(void *spi_target, uint8_t spi_mux_mode, uint8_t spi_mux_target /* Read the FPGA version */ uint8_t read_fpga_version() { - uint8_t u = 0; - uint8_t spi_stat = lgw_spi_r(lgw_spi_target, LGW_SPI_MUX_MODE1, LGW_SPI_MUX_TARGET_FPGA, loregs[LGW_VERSION].addr, &u); - if (spi_stat != LGW_SPI_SUCCESS) { - DEBUG_MSG("ERROR READING VERSION REGISTER\n"); - return LGW_REG_ERROR; - } - return u; + uint8_t u = 0; + uint8_t spi_stat = lgw_spi_r(lgw_spi_target, LGW_SPI_MUX_MODE1, LGW_SPI_MUX_TARGET_FPGA, loregs[LGW_VERSION].addr, &u); + if (spi_stat != LGW_SPI_SUCCESS) { + DEBUG_MSG("ERROR READING VERSION REGISTER\n"); + return LGW_REG_ERROR; + } + return u; } /* Verify the FPGA version is supported */ -bool check_fpga_version(uint8_t version) { +bool fpga_version_supported() { + int i; + + for (i = 0; i < (int)(sizeof FPGA_VERSIONS_SUPPORTED); i++) { + if (FPGA_VERSIONS_SUPPORTED[i] == read_fpga_version() ) { + return true; + } + } + + return false; +} + +/* Check if the FPGA uses an attenuator for transmitting packets*/ +bool fpga_supports_attenuator() { int i; - for (i = 0; i < (int)(sizeof FPGA_VERSION); i++) { - if (FPGA_VERSION[i] == version ) { + for (i = 0; i < (int)(sizeof FPGA_VERSIONS_SUPPORTING_ATTENUATOR); i++) { + if (FPGA_VERSIONS_SUPPORTING_ATTENUATOR[i] == read_fpga_version() ) { return true; } } @@ -537,7 +551,7 @@ int lgw_connect(bool spi_only, uint32_t tx_notch_freq) { DEBUG_MSG("ERROR READING VERSION REGISTER\n"); return LGW_REG_ERROR; } - if (check_fpga_version(u) != true) { + if (fpga_version_supported(u) != true) { /* We failed to read expected FPGA version, so let's assume there is no FPGA */ DEBUG_PRINTF("INFO: no FPGA detected or version not supported (v%u)\n", u); lgw_spi_mux_mode = LGW_SPI_MUX_MODE0; |