diff options
Diffstat (limited to 'fw/esp32/components/eos')
-rw-r--r-- | fw/esp32/components/eos/gsm.c | 53 | ||||
-rw-r--r-- | fw/esp32/components/eos/include/gsm.h | 8 |
2 files changed, 48 insertions, 13 deletions
diff --git a/fw/esp32/components/eos/gsm.c b/fw/esp32/components/eos/gsm.c index 552af66..6ae73ee 100644 --- a/fw/esp32/components/eos/gsm.c +++ b/fw/esp32/components/eos/gsm.c @@ -7,13 +7,18 @@ #define DIVC(x,y) ((x) / (y) + ((x) % (y) != 0)) uint8_t pdu_getc(char *pdu) { + int ch; sscanf(pdu, "%2X", &ch); return ch; } void pdu_putc(uint8_t ch, char *pdu) { - sprintf(pdu, "%.2X", ch); + char b[3]; + + sprintf(b, "%.2X", ch); + *pdu = b[0]; + *(pdu + 1) = b[1]; } void pdu_gets(char *pdu, uint8_t *s, int s_len) { @@ -27,9 +32,12 @@ void pdu_gets(char *pdu, uint8_t *s, int s_len) { void pdu_puts(uint8_t *s, int s_len, char *pdu) { int i; + char b[3]; for (i=0; i<s_len; i++) { - sprintf(pdu + 2 * i, "%.2X", s[i]); + sprintf(b, "%.2X", s[i]); + *(pdu + 2 * i) = b[0]; + *(pdu + 2 * i + 1) = b[1]; } } @@ -290,17 +298,23 @@ int gsm_addr_dec(char *pdu, int pdu_len, char *addr, int *addr_len, uint8_t *add return _pdu_len; } -int gsm_sms_enc(uint8_t pid, char *addr, int addr_len, uint8_t addr_type, uint8_t *udh, int udh_len, uint8_t *msg, int msg_len, uint8_t enc, uint16_t flags, char *pdu, int pdu_size) { +int gsm_sms_enc(char *addr, int addr_len, uint8_t addr_type, uint8_t *udh, int udh_len, uint8_t *msg, int msg_len, uint8_t enc, uint16_t flags, char *pdu, int pdu_size) { int rv, _pdu_len = 0; - uint8_t mti = GSM_MTI_SUBMIT; - uint8_t dcs = 0; + uint8_t mti; + uint8_t mr; + uint8_t pid; + uint8_t dcs; uint8_t udl; + mti = GSM_MTI_SUBMIT; if (udh_len) mti |= GSM_UDHI; + if (flags & GSM_FLAG_STATUS_REPORT) mti |= GSM_SRR; + if (flags & GSM_FLAG_REPLY_PATH) mti |= GSM_RP; + mr = 0; if (pdu_size < 4) return GSM_ERR_SIZE; pdu_putc(mti, pdu); - pdu_putc(00, pdu + 2); + pdu_putc(mr, pdu + 2); _pdu_len += 4; rv = gsm_addr_enc(addr, addr_len, addr_type, pdu + _pdu_len, pdu_size - _pdu_len); @@ -308,8 +322,14 @@ int gsm_sms_enc(uint8_t pid, char *addr, int addr_len, uint8_t addr_type, uint8_ _pdu_len += rv; if (pdu_size < _pdu_len + 4) return GSM_ERR_SIZE; - gsm_dcs_enc(enc, flags, &dcs); + if (flags & GSM_FLAG_TYPE0) { + pid = GSM_PID_TYPE0; + } else { + pid = GSM_PID_DEFAULT; + } + pid = 37; pdu_putc(pid, pdu + _pdu_len); + gsm_dcs_enc(enc, flags, &dcs); pdu_putc(dcs, pdu + _pdu_len + 2); _pdu_len += 4; @@ -356,26 +376,37 @@ int gsm_sms_enc(uint8_t pid, char *addr, int addr_len, uint8_t addr_type, uint8_ return _pdu_len; } -int gsm_sms_dec(char *pdu, int pdu_len, uint8_t *pid, char *addr, int *addr_len, uint8_t *addr_type, uint8_t *udh, int *udh_len, uint8_t *msg, int *msg_len, char *ts, uint8_t *enc, uint16_t *flags) { +int gsm_sms_dec(char *pdu, int pdu_len, char *addr, int *addr_len, uint8_t *addr_type, uint8_t *udh, int *udh_len, uint8_t *msg, int *msg_len, char *ts, uint8_t *enc, uint16_t *flags) { int rv, _pdu_len = 0; uint8_t mti; + uint8_t pid; uint8_t dcs; uint8_t udl; + *enc = 0xff; + *flags = 0; if (pdu_len < 2) return GSM_ERR_SIZE; mti = pdu_getc(pdu); _pdu_len += 2; - if ((mti & GSM_MTI) != GSM_MTI_DELIVER) return GSM_ERR; + + if ((mti & GSM_MTI) != GSM_MTI_DELIVER) return GSM_ERR_NOT_SUPPORTED; + if (mti & GSM_SRI) *flags |= GSM_FLAG_STATUS_REPORT; + if (mti & GSM_RP) *flags |= GSM_FLAG_REPLY_PATH; rv = gsm_addr_dec(pdu + _pdu_len, pdu_len - _pdu_len, addr, addr_len, addr_type); if (rv < 0) return rv; _pdu_len += rv; if (pdu_len < _pdu_len + 4) return GSM_ERR_SIZE; - *pid = pdu_getc(pdu + _pdu_len); + pid = pdu_getc(pdu + _pdu_len); + if (pid == GSM_PID_TYPE0) { + *flags |= GSM_FLAG_TYPE0; + } else if (pid != GSM_PID_DEFAULT) { + return GSM_ERR_NOT_SUPPORTED; + } dcs = pdu_getc(pdu + _pdu_len + 2); - _pdu_len += 4; gsm_dcs_dec(dcs, enc, flags); + _pdu_len += 4; rv = gsm_ts_dec(pdu + _pdu_len, pdu_len - _pdu_len, ts); if (rv < 0) return rv; diff --git a/fw/esp32/components/eos/include/gsm.h b/fw/esp32/components/eos/include/gsm.h index 8f7b75f..7864b09 100644 --- a/fw/esp32/components/eos/include/gsm.h +++ b/fw/esp32/components/eos/include/gsm.h @@ -1,6 +1,7 @@ #define GSM_OK 0 #define GSM_ERR -1 #define GSM_ERR_SIZE -10 +#define GSM_ERR_NOT_SUPPORTED -11 #define GSM_TS_SIZE 25 #define GSM_UD_SIZE 160 @@ -102,6 +103,9 @@ #define GSM_FLAG_COMPRESS 0x0001 #define GSM_FLAG_DELETE 0x0002 #define GSM_FLAG_DISCARD 0x0004 +#define GSM_FLAG_TYPE0 0x0008 +#define GSM_FLAG_STATUS_REPORT 0x0010 +#define GSM_FLAG_REPLY_PATH 0x0020 /* message class */ #define GSM_FLAG_CLASS 0x0400 @@ -131,5 +135,5 @@ int gsm_7bit_enc(char *text, int text_len, char *pdu, int padb); int gsm_7bit_dec(char *pdu, char *text, int text_len, int padb); int gsm_addr_enc(char *addr, int addr_len, uint8_t addr_type, char *pdu, int pdu_size); int gsm_addr_dec(char *pdu, int pdu_len, char *addr, int *addr_len, uint8_t *addr_type); -int gsm_sms_enc(uint8_t pid, char *addr, int addr_len, uint8_t addr_type, uint8_t *udh, int udh_len, uint8_t *msg, int msg_len, uint8_t enc, uint16_t flags, char *pdu, int pdu_size); -int gsm_sms_dec(char *pdu, int pdu_len, uint8_t *pid, char *addr, int *addr_len, uint8_t *addr_type, uint8_t *udh, int *udh_len, uint8_t *msg, int *msg_len, char *ts, uint8_t *enc, uint16_t *flags); +int gsm_sms_enc(char *addr, int addr_len, uint8_t addr_type, uint8_t *udh, int udh_len, uint8_t *msg, int msg_len, uint8_t enc, uint16_t flags, char *pdu, int pdu_size); +int gsm_sms_dec(char *pdu, int pdu_len, char *addr, int *addr_len, uint8_t *addr_type, uint8_t *udh, int *udh_len, uint8_t *msg, int *msg_len, char *ts, uint8_t *enc, uint16_t *flags); |