diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-bsp/si-tools')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-bsp/si-tools/files/si-tools-fm-improvements.patch | 184 | ||||
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-bsp/si-tools/si-tools.bb | 1 |
2 files changed, 185 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-bsp/si-tools/files/si-tools-fm-improvements.patch b/meta-rcar-gen3-adas/recipes-bsp/si-tools/files/si-tools-fm-improvements.patch new file mode 100644 index 0000000..9bbccad --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-bsp/si-tools/files/si-tools-fm-improvements.patch @@ -0,0 +1,184 @@ +FM configuration improvements + +Changes include: +- Add command-line option for selecting FM band plan. The default + band plan is US / Canada. +- Add command-line options for setting FM scanning valid SNR and RSSI + thresholds to allow tweaking sensitivity in poor radio environments. +- Increased seeking scan timeout to 3 seconds, which seems to improve + behavior in poor radio environments where powerful stations may be + far apart. +- Removed explicit setting of FM_SOFTMUTE_SNR_LIMITS, as it seemed + like it might be resulting in odd muting behavior when scanning. +- Changed initial FM frequency if not specified to the minimum of the + band plan. + +Signed-off-by: Scott Murray <scott.murray@konsulko.com> + +diff --git a/si46xx.h b/si46xx.h +index 172ea8b..c32fca4 100644 +--- a/si46xx.h ++++ b/si46xx.h +@@ -83,6 +83,7 @@ + #define SI46XX_PIN_CONFIG_ENABLE 0x0800 + #define SI46XX_FM_SEEK_BAND_BOTTOM 0x3100 + #define SI46XX_FM_SEEK_BAND_TOP 0x3101 ++#define SI46XX_FM_SEEK_FREQUENCY_SPACING 0x3102 + #define SI46XX_FM_VALID_MAX_TUNE_ERROR 0x3200 + #define SI46XX_FM_VALID_RSSI_TIME 0x3201 + #define SI46XX_FM_VALID_RSSI_THRESHOLD 0x3202 +@@ -150,7 +151,7 @@ + #define MAX_SERVICES 32 + #define MAX_COMPONENTS 15 + +-#define TIMEOUT_SEEK 2000 /* mS = 2S */ ++#define TIMEOUT_SEEK 3000 /* mS = 3S */ + #define TIMEOUT_TUNE 500 /* mS = .5S */ + + struct dab_service_t{ +diff --git a/si_ctl.c b/si_ctl.c +index 59dfaf2..f168218 100644 +--- a/si_ctl.c ++++ b/si_ctl.c +@@ -101,6 +101,26 @@ uint32_t frequency_list_ch[] = { CHAN_12A, + CHAN_9D, + CHAN_8B}; + ++// Structure to describe FM band plans, all values in Hz. ++typedef struct { ++ char *name; ++ uint32_t min; ++ uint32_t max; ++ uint32_t step; ++} fm_band_plan_t; ++ ++static fm_band_plan_t known_fm_band_plans[5] = { ++ { .name = "US", .min = 87900000, .max = 107900000, .step = 200000 }, ++ { .name = "JP", .min = 76000000, .max = 95000000, .step = 100000 }, ++ { .name = "EU", .min = 87500000, .max = 108000000, .step = 50000 }, ++ { .name = "ITU-1", .min = 87500000, .max = 108000000, .step = 50000 }, ++ { .name = "ITU-2", .min = 87900000, .max = 107900000, .step = 50000 } ++}; ++ ++static unsigned int fm_band_plan; ++static int fm_snr_threshold = 128; ++static int fm_rssi_threshold = 128; ++ + int init_am(int offset) + { + int ret; +@@ -160,12 +180,32 @@ int init_fm(int offset) + * enable I2S output + */ + si46xx_set_property(SI46XX_PIN_CONFIG_ENABLE, 0x0003); +- //si46xx_set_property(SI46XX_FM_VALID_RSSI_THRESHOLD,0x0000); +- //si46xx_set_property(SI46XX_FM_VALID_SNR_THRESHOLD,0x0000); +- si46xx_set_property(SI46XX_FM_SOFTMUTE_SNR_LIMITS, 0x0000); // set the SNR limits for soft mute attenuation ++ //si46xx_set_property(SI46XX_FM_SOFTMUTE_SNR_LIMITS, 0x0000); // set the SNR limits for soft mute attenuation + si46xx_set_property(SI46XX_FM_TUNE_FE_CFG, 0x0000); // front end switch open +- si46xx_set_property(SI46XX_FM_SEEK_BAND_BOTTOM, 88000 / 10); +- si46xx_set_property(SI46XX_FM_SEEK_BAND_TOP, 108000 / 10); ++ ++ //si46xx_set_property(SI46XX_FM_SEEK_BAND_BOTTOM, 88000 / 10); ++ //si46xx_set_property(SI46XX_FM_SEEK_BAND_TOP, 108000 / 10); ++ if (verbose) ++ fprintf(stderr, "Using FM Bandplan: %s\n", known_fm_band_plans[fm_band_plan].name); ++ si46xx_set_property(SI46XX_FM_SEEK_BAND_BOTTOM, known_fm_band_plans[fm_band_plan].min / 10000); ++ si46xx_set_property(SI46XX_FM_SEEK_BAND_TOP, known_fm_band_plans[fm_band_plan].max / 10000); ++ if (verbose) ++ fprintf(stderr, "Using FM band: %d - %d, %d spacing\n", ++ known_fm_band_plans[fm_band_plan].min / 10000, ++ known_fm_band_plans[fm_band_plan].max / 10000, ++ known_fm_band_plans[fm_band_plan].step / 10000); ++ si46xx_set_property(SI46XX_FM_SEEK_FREQUENCY_SPACING, known_fm_band_plans[fm_band_plan].step / 10000); ++ if (fm_snr_threshold != 128) { ++ if (verbose) ++ fprintf(stderr, "Setting FM valid SNR threshold to %d dB\n", fm_snr_threshold); ++ si46xx_set_property(SI46XX_FM_VALID_SNR_THRESHOLD, fm_snr_threshold); ++ } ++ if (fm_rssi_threshold != 128) { ++ if (verbose) ++ fprintf(stderr, "Setting FM valid RSSI threshold to %d dB\n", fm_rssi_threshold); ++ si46xx_set_property(SI46XX_FM_VALID_RSSI_THRESHOLD, fm_rssi_threshold); ++ } ++ + /* + * rate + */ +@@ -190,6 +230,7 @@ int init_fm(int offset) + + return 0; + } ++ + int init_dab(int offset) + { + int ret; +@@ -245,6 +286,10 @@ int output_help(char *prog_name) + printf(" -l up|down FM/AM seek next station\n"); + printf(" -d FM/AM RSQ status\n"); + printf(" -m FM rds status\n"); ++ printf("Common FM:\n"); ++ printf(" -p bandplan FM bandplan (us, jp, eu, itu-1, itu-2\n"); ++ printf(" -t SNR FM scan valid SNR threshold (-127 to 127 dB)\n"); ++ printf(" -u RSSI FM scan valid RSSI threshold (-127 to 127 dBuV)\n"); + printf("DAB only:\n"); + printf(" -e dab status\n"); + printf(" -f service start service of dab service list\n"); +@@ -354,6 +399,7 @@ int main(int argc, char **argv) + int offset = - 1; + int mode; + int tmp; ++ unsigned int i; + struct dab_digrad_status_t dab_digrad_status; + bool init = false; + bool seek_up = false; +@@ -374,7 +420,7 @@ int main(int argc, char **argv) + + optind = 0; + while (optind < argc) { +- if ((c = getopt(argc, argv, "a:b:c:def:ghi:j:k:l:mnosv")) != -1) { ++ if ((c = getopt(argc, argv, "a:b:c:def:ghi:j:k:l:mnop:st:u:v")) != -1) { + switch(c){ + /* init */ + case 'a': +@@ -422,6 +468,31 @@ int main(int argc, char **argv) + case 'c': + frequency = atoi(optarg); + break; ++ /* FM */ ++ case 'p': ++ for(i = 0; ++ i < sizeof(known_fm_band_plans) / sizeof(fm_band_plan_t); ++ i++) { ++ if(!strcasecmp(optarg, known_fm_band_plans[i].name)) { ++ fm_band_plan = i; ++ break; ++ } ++ } ++ if(i >= (sizeof(known_fm_band_plans) / sizeof(fm_band_plan_t))) { ++ printf("Invalid mode: %s\n", optarg); ++ return -EINVAL; ++ } ++ break; ++ case 't': ++ fm_snr_threshold = atoi(optarg); ++ if(fm_snr_threshold < -128 || fm_snr_threshold > 127) ++ fm_snr_threshold = 128; // use firmware default ++ break; ++ case 'u': ++ fm_rssi_threshold = atoi(optarg); ++ if(fm_rssi_threshold < -128 || fm_rssi_threshold > 127) ++ fm_rssi_threshold = 128; // use firmware default ++ break; + /* DAB stuff. TODO: rework */ + case 'e': + si46xx_dab_digrad_status(&dab_digrad_status); +@@ -473,7 +544,7 @@ int main(int argc, char **argv) + case SI46XX_MODE_FM: + ret = init_fm(offset); + if (frequency < 0) +- frequency = 105500; ++ frequency = known_fm_band_plans[fm_band_plan].min / 1000; + break; + case SI46XX_MODE_AM: + ret = init_am(offset); diff --git a/meta-rcar-gen3-adas/recipes-bsp/si-tools/si-tools.bb b/meta-rcar-gen3-adas/recipes-bsp/si-tools/si-tools.bb index 99347e5..634000a 100644 --- a/meta-rcar-gen3-adas/recipes-bsp/si-tools/si-tools.bb +++ b/meta-rcar-gen3-adas/recipes-bsp/si-tools/si-tools.bb @@ -8,6 +8,7 @@ PV = "0.2" SRC_URI = " \ file://si-tools.tar.gz \ + file://si-tools-fm-improvements.patch \ " S = "${WORKDIR}/si-tools" |