#ifndef RDS_H #define RDS_H /* The RDS error-detection code generator polynomial is * x^10 + x^8 + x^7 + x^5 + x^4 + x^3 + x^0 */ #define POLY 0x1B9 #define POLY_DEG 10 #define BLOCK_SIZE 16 #define GROUP_LENGTH 4 #define BITS_PER_GROUP (GROUP_LENGTH * (BLOCK_SIZE + POLY_DEG)) #define RDS_SAMPLE_RATE 19000 #define SAMPLES_PER_BIT 16 #define FILTER_SIZE 32 #define SAMPLE_BUFFER_SIZE (SAMPLES_PER_BIT + FILTER_SIZE) #define RT_LENGTH 64 #define PS_LENGTH 8 #define PTYN_LENGTH 8 #define LPS_LENGTH 32 #define DEFAULT_GRPSQC "002222XY" #define MAX_AFS 25 #define AF_CODE_FILLER 205 #define AF_CODE_NO_AF 224 #define AF_CODE_NUM_AFS_BASE AF_CODE_NO_AF #define AF_CODE_LFMF_FOLLOWS 250 #define PROGRAMS 2 #define EONS 4 #define MAX_ODAS 8 // List of ODAs: https://www.nrscstandards.org/committees/dsm/archive/rds-oda-aids.pdf #define ODA_AID_RTPLUS 0x4bd7 typedef struct { uint8_t num_entries : 6; uint8_t num_afs : 5; uint8_t afs[MAX_AFS]; } RDSAFs; typedef struct { uint16_t pi; uint8_t enabled : 1; uint8_t ta : 1; uint8_t tp : 1; uint8_t pty : 5; char ps[8]; RDSAFs af; } RDSEON; typedef struct { uint8_t days : 7; // let's say that here it will be stored by bits, so 0b1000000 is monday and so on uint8_t pty: 5; uint16_t execution_hours[12]; uint16_t execution_minutes[12]; char command[35]; } RDSSchedulerItem; typedef struct { uint8_t enabled : 1; RDSSchedulerItem items[49]; } RDSScheduler; typedef struct { uint16_t pi; char ps[PS_LENGTH]; char rt1[RT_LENGTH]; uint8_t dsn; uint8_t psn; uint8_t ecc; uint8_t ta : 1; uint8_t pty : 5; uint8_t tp : 1; uint8_t dpty : 1; char tps[PS_LENGTH]; uint8_t rt1_enabled : 1; uint8_t rt2_enabled : 1; uint8_t rt_type : 2; uint8_t rt_text_timeout; uint8_t rt_switching_period; uint8_t orignal_rt_switching_period; char default_rt[RT_LENGTH]; char rt2[RT_LENGTH]; uint8_t ptyn_enabled : 1; char ptyn[PTYN_LENGTH]; uint8_t af_method : 1; RDSAFs af; uint8_t ct : 1; char lps[LPS_LENGTH]; char grp_sqc[24]; char grp_sqc_rds2[24]; uint8_t udg1_len : 4; uint8_t udg2_len : 4; uint16_t udg1[8][3]; uint16_t udg2[8][3]; RDSEON eon[EONS]; } RDSData; typedef struct { uint8_t ps_update : 1; uint8_t tps_update : 1; char ps_text[PS_LENGTH]; char tps_text[PS_LENGTH]; uint8_t ps_csegment : 4; char rt_text[RT_LENGTH]; uint8_t rt_state : 5; uint8_t rt_update : 1; uint8_t rt2_update : 1; uint8_t rt_ab : 1; uint8_t rt_segments : 5; uint8_t rt2_segments : 5; uint8_t current_rt : 1; char ptyn_text[PTYN_LENGTH]; uint8_t ptyn_state : 1; uint8_t ptyn_update : 1; uint8_t ptyn_ab : 1; char lps_text[LPS_LENGTH]; uint8_t lps_state : 5; uint8_t lps_update : 1; uint8_t lps_segments : 5; uint16_t custom_group[GROUP_LENGTH]; uint16_t custom_group2[GROUP_LENGTH + 1]; uint8_t rtp_oda : 1; uint8_t grp_seq_idx[4]; uint8_t udg_idxs[2]; uint8_t last_minute : 6; uint8_t ta_timeout : 7; uint8_t original_ta_timeout : 7; uint8_t eon_index : 3; uint8_t eon_state : 4; uint16_t last_stream0_group[3]; } RDSState; typedef struct { uint8_t group; uint16_t aid; uint16_t scb; } RDSODA; typedef struct { uint8_t current : 4; uint8_t count : 4; } RDSODAState; typedef struct { uint8_t group; uint8_t enabled : 1; uint8_t running : 1; uint8_t type[2]; uint8_t start[2]; uint8_t len[2]; } RDSRTPlusData; typedef struct { uint8_t toggle : 1; } RDSRTPlusState; typedef struct { uint8_t expected_encoder_addr; uint16_t expected_site_addr : 10; } RDSEncoderASCIIData; typedef struct { uint8_t uecp_enabled : 1; } RDSEncoderUECPData; typedef struct { uint8_t encoder_addr[2]; uint16_t site_addr[2]; RDSEncoderASCIIData ascii_data; RDSEncoderUECPData uecp_data; uint16_t special_features; RDSScheduler schedule; uint8_t rds2_mode : 1; // uint8_t rds2_buffer[16384]; } RDSEncoderData; typedef struct { RDSEncoderData encoder_data; RDSData data[PROGRAMS]; RDSState state[PROGRAMS]; RDSODA odas[PROGRAMS][MAX_ODAS]; RDSODAState oda_state[PROGRAMS]; RDSRTPlusData rtpData[PROGRAMS]; RDSRTPlusState rtpState[PROGRAMS]; uint8_t program : 3; } RDSEncoder; typedef struct { uint8_t file_starter; // Always is 225 first polish radio programme am frequency RDSData data[PROGRAMS]; RDSRTPlusData rtpData[PROGRAMS]; RDSODA odas[PROGRAMS][MAX_ODAS]; uint8_t file_middle; // Always is 160, average of both RDSODAState oda_state[PROGRAMS]; RDSEncoderData encoder_data; uint8_t program : 3; uint8_t file_ender; // Always is 95 my freq } RDSEncoderFile; #define GROUP_TYPE_0 ( 0 << 4) #define GROUP_TYPE_1 ( 1 << 4) #define GROUP_TYPE_2 ( 2 << 4) #define GROUP_TYPE_3 ( 3 << 4) #define GROUP_TYPE_4 ( 4 << 4) #define GROUP_TYPE_5 ( 5 << 4) #define GROUP_TYPE_6 ( 6 << 4) #define GROUP_TYPE_7 ( 7 << 4) #define GROUP_TYPE_8 ( 8 << 4) #define GROUP_TYPE_9 ( 9 << 4) #define GROUP_TYPE_10 (10 << 4) #define GROUP_TYPE_11 (11 << 4) #define GROUP_TYPE_12 (12 << 4) #define GROUP_TYPE_13 (13 << 4) #define GROUP_TYPE_14 (14 << 4) #define GROUP_TYPE_15 (15 << 4) #define GROUP_VER_A 0 #define GROUP_VER_B 1 #define GROUP_0A (GROUP_TYPE_0 | GROUP_VER_A) #define GROUP_1A (GROUP_TYPE_1 | GROUP_VER_A) #define GROUP_2A (GROUP_TYPE_2 | GROUP_VER_A) #define GROUP_3A (GROUP_TYPE_3 | GROUP_VER_A) #define GROUP_4A (GROUP_TYPE_4 | GROUP_VER_A) #define GROUP_5A (GROUP_TYPE_5 | GROUP_VER_A) #define GROUP_6A (GROUP_TYPE_6 | GROUP_VER_A) #define GROUP_7A (GROUP_TYPE_7 | GROUP_VER_A) #define GROUP_8A (GROUP_TYPE_8 | GROUP_VER_A) #define GROUP_9A (GROUP_TYPE_9 | GROUP_VER_A) #define GROUP_10A (GROUP_TYPE_10 | GROUP_VER_A) #define GROUP_11A (GROUP_TYPE_11 | GROUP_VER_A) #define GROUP_12A (GROUP_TYPE_12 | GROUP_VER_A) #define GROUP_13A (GROUP_TYPE_13 | GROUP_VER_A) #define GROUP_14A (GROUP_TYPE_14 | GROUP_VER_A) #define GROUP_15A (GROUP_TYPE_15 | GROUP_VER_A) #define GROUP_0B (GROUP_TYPE_0 | GROUP_VER_B) #define GROUP_1B (GROUP_TYPE_1 | GROUP_VER_B) #define GROUP_2B (GROUP_TYPE_2 | GROUP_VER_B) #define GROUP_3B (GROUP_TYPE_3 | GROUP_VER_B) #define GROUP_4B (GROUP_TYPE_4 | GROUP_VER_B) #define GROUP_5B (GROUP_TYPE_5 | GROUP_VER_B) #define GROUP_6B (GROUP_TYPE_6 | GROUP_VER_B) #define GROUP_7B (GROUP_TYPE_7 | GROUP_VER_B) #define GROUP_8B (GROUP_TYPE_8 | GROUP_VER_B) #define GROUP_9B (GROUP_TYPE_9 | GROUP_VER_B) #define GROUP_10B (GROUP_TYPE_10 | GROUP_VER_B) #define GROUP_11B (GROUP_TYPE_11 | GROUP_VER_B) #define GROUP_12B (GROUP_TYPE_12 | GROUP_VER_B) #define GROUP_13B (GROUP_TYPE_13 | GROUP_VER_B) #define GROUP_14B (GROUP_TYPE_14 | GROUP_VER_B) #define GROUP_15B (GROUP_TYPE_15 | GROUP_VER_B) #define GET_GROUP_TYPE(x) ((x >> 4) & 15) #define GET_GROUP_VER(x) (x & 1) #define IS_TYPE_B(a) (a[1] & 0x0800) void saveToFile(RDSEncoder *emp, const char *option); void loadFromFile(RDSEncoder *emp); int rdssaved(); void reset_rds_state(RDSEncoder* enc, uint8_t program); void set_rds_defaults(RDSEncoder* enc, uint8_t program); void init_rds_encoder(RDSEncoder* enc); void get_rds_bits(RDSEncoder* enc, uint8_t *bits, uint8_t stream); void set_rds_rt1(RDSEncoder* enc, char *rt1); void set_rds_rt2(RDSEncoder* enc, char *rt2); void set_rds_ps(RDSEncoder* enc, char *ps); void set_rds_tps(RDSEncoder* enc, char *tps); void set_rds_lps(RDSEncoder* enc, char *lps); void set_rds_rtplus_flags(RDSEncoder* enc, uint8_t flags); void set_rds_rtplus_tags(RDSEncoder* enc, uint8_t *tags); void set_rds_ptyn(RDSEncoder* enc, char *ptyn); void set_rds_grpseq(RDSEncoder* enc, char *grpseq); void set_rds_grpseq2(RDSEncoder* enc, char *grpseq2); #endif