diff options
Diffstat (limited to 'util_tx_continuous/src/util_tx_continuous.c')
| -rw-r--r-- | util_tx_continuous/src/util_tx_continuous.c | 94 |
1 files changed, 55 insertions, 39 deletions
diff --git a/util_tx_continuous/src/util_tx_continuous.c b/util_tx_continuous/src/util_tx_continuous.c index 7768c22..aeaae8d 100644 --- a/util_tx_continuous/src/util_tx_continuous.c +++ b/util_tx_continuous/src/util_tx_continuous.c @@ -37,6 +37,7 @@ Maintainer: Matthieu Leurent #include "loragw_hal.h" #include "loragw_reg.h" #include "loragw_aux.h" +#include "loragw_spi.h" /* -------------------------------------------------------------------------- */ /* --- MACROS & CONSTANTS --------------------------------------------------- */ @@ -59,7 +60,7 @@ Maintainer: Matthieu Leurent #define DEFAULT_FDEV_KHZ 25 #define DEFAULT_BT 2 #define DEFAULT_NOTCH_FREQ 129000U -#define DEFAULT_ATTENUATION 0.0 +#define DEFAULT_ATTENUATION 0 /* -------------------------------------------------------------------------- */ /* --- GLOBAL VARIABLES ----------------------------------------------------- */ @@ -97,6 +98,7 @@ int main(int argc, char **argv) {"bt", 1, 0, 0}, {"notch", 1, 0, 0}, {"attn", 1, 0, 0}, + {"path", 1, 0, 0}, {0, 0, 0, 0} }; unsigned int arg_u; @@ -109,7 +111,7 @@ int main(int argc, char **argv) uint8_t g_dac = DEFAULT_DAC_GAIN; uint8_t g_mix = DEFAULT_MIXER_GAIN; uint8_t g_pa = DEFAULT_PA_GAIN; - float g_atten = DEFAULT_ATTENUATION; + uint8_t g_atten = DEFAULT_ATTENUATION; char mod[64] = DEFAULT_MODULATION; uint8_t sf = DEFAULT_SF; unsigned int bw_khz = DEFAULT_BW_KHZ; @@ -117,7 +119,6 @@ int main(int argc, char **argv) uint8_t fdev_khz = DEFAULT_FDEV_KHZ; uint8_t bt = DEFAULT_BT; uint32_t tx_notch_freq = DEFAULT_NOTCH_FREQ; - int32_t offset_i, offset_q; /* RF configuration (TX fail if RF chain is not enabled) */ @@ -149,7 +150,8 @@ int main(int argc, char **argv) printf(" --br <float> FSK bitrate in kbps, [0.5:250]\n"); printf(" --fdev <uint> FSK frequency deviation in kHz, [1:250]\n"); printf(" --bt <uint> FSK gaussian filter BT trim, [0:3]\n"); - printf(" --attn <float> Attenuator value in dB, Full Card Only [0.0:31.75]\n"); + printf(" --attn <uint> Attenuator value in dB, required LGA module or MTAC full card\n"); + printf(" --path <string> Path of SPIDEV e.g. /dev/spidev0.0\n"); printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"); return EXIT_SUCCESS; break; @@ -267,50 +269,59 @@ int main(int argc, char **argv) } } else if (strcmp(long_options[option_index].name,"attn") == 0) { - i = sscanf(optarg, "%f", &arg_f); - if ((i != 1) || (arg_f < 0.0) || (arg_f > 31.75)) { - printf("ERROR: argument parsing of --br argument. Use -h to print help\n"); + i = sscanf(optarg, "%u", &arg_u); + if ((i != 1) || (arg_u > 127) ) { + printf("ERROR: argument parsing of --attn argument. Use -h to print help\n"); + return EXIT_FAILURE; + } + else { + g_atten = arg_u; + } + } else if (strcmp(long_options[option_index].name,"path") == 0) { + i = sscanf(optarg, "%s", arg_s); + if ((i != 1) || (strncmp(arg_s, "/dev/", 5 ) != 0)) { + printf("ERROR: argument parsing of --path argument. Use -h to print help\n"); return EXIT_FAILURE; } else { - g_atten = arg_f; + lgw_spi_set_path(arg_s); } - } + } else { printf("ERROR: argument parsing options. Use -h to print help\n"); return EXIT_FAILURE; } break; - case 'f': - i = sscanf(optarg, "%f", &arg_f); - if ((i != 1) || (arg_f < 1)) { - printf("ERROR: argument parsing of -f argument. Use -h to print help\n"); - return EXIT_FAILURE; - } - else { - freq_hz = (uint32_t)((arg_f * 1e6) + 0.5); - } - break; - - case 'r': - i = sscanf(optarg, "%u", &arg_u); - switch (arg_u) { - case 1255: - radio_type = LGW_RADIO_TYPE_SX1255; - break; - case 1257: - radio_type = LGW_RADIO_TYPE_SX1257; - break; - default: - printf("ERROR: argument parsing of -r argument. Use -h to print help\n"); + case 'f': + i = sscanf(optarg, "%f", &arg_f); + if ((i != 1) || (arg_f < 1)) { + printf("ERROR: argument parsing of -f argument. Use -h to print help\n"); return EXIT_FAILURE; - } - break; + } + else { + freq_hz = (uint32_t)((arg_f * 1e6) + 0.5); + } + break; - default: - printf("ERROR: argument parsing options. Use -h to print help\n"); - return EXIT_FAILURE; + case 'r': + i = sscanf(optarg, "%u", &arg_u); + switch (arg_u) { + case 1255: + radio_type = LGW_RADIO_TYPE_SX1255; + break; + case 1257: + radio_type = LGW_RADIO_TYPE_SX1257; + break; + default: + printf("ERROR: argument parsing of -r argument. Use -h to print help\n"); + return EXIT_FAILURE; + } + break; + + default: + printf("ERROR: argument parsing options. Use -h to print help\n"); + return EXIT_FAILURE; } } @@ -362,9 +373,10 @@ int main(int argc, char **argv) txpkt.freq_hz = freq_hz; txpkt.tx_mode = IMMEDIATE; txpkt.rf_chain = TX_RF_CHAIN; - txpkt.rf_power = 0; - if (read_fpga_version() == 32) { - i = lgw_set_attenuation(g_atten); + if (fpga_supports_attenuator()) { + txpkt.rf_power = 32 - g_atten; + } else { + txpkt.rf_power = 0; } if (strcmp(mod, "FSK") == 0) { @@ -437,6 +449,10 @@ int main(int argc, char **argv) printf("ERROR: undefined radio type\n"); break; } + + if (fpga_supports_attenuator()) { + printf("Attenuation : %d dB\n", g_atten); + } printf("Frequency: %4.3f MHz\n", freq_hz/1e6); printf("TX Gains: Digital:%d DAC:%d Mixer:%d PA:%d\n", g_dig, g_dac, g_mix, g_pa); if (strcmp(mod, "CW") != 0) { |