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| author | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-04-14 23:59:50 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-04-14 23:59:50 +0200 |
| commit | 4be69efe315f2c510b886ce0039df8d52695cae0 (patch) | |
| tree | b938bc68ea70f3da7eac2dea0d4ae1282d09251e | |
| parent | 18b1b2d441c75b7f119910311b65ddd4c144e19a (diff) | |
| download | ipecamera-4be69efe315f2c510b886ce0039df8d52695cae0.tar.gz ipecamera-4be69efe315f2c510b886ce0039df8d52695cae0.tar.bz2 ipecamera-4be69efe315f2c510b886ce0039df8d52695cae0.tar.xz ipecamera-4be69efe315f2c510b886ce0039df8d52695cae0.zip | |
Alternative way to overcome problem with address verification of CMOSIS registers
| -rw-r--r-- | ipecamera/model.c | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/ipecamera/model.c b/ipecamera/model.c index 4830cf2..c258a32 100644 --- a/ipecamera/model.c +++ b/ipecamera/model.c @@ -18,22 +18,17 @@ #define ipecamera_datacpy(dst, src, bank) pcilib_datacpy(dst, src, 4, 1, bank->raw_endianess) -#define IPECAMERA_SIMPLIFIED_READOUT +//#define IPECAMERA_SIMPLIFIED_READOUT +#define IPECAMERA_MULTIREAD static pcilib_register_value_t ipecamera_bit_mask[9] = { 0, 1, 3, 7, 15, 31, 63, 127, 255 }; int ipecamera_read(pcilib_t *ctx, pcilib_register_bank_description_t *bank, pcilib_register_addr_t addr, uint8_t bits, pcilib_register_value_t *value) { - uint32_t val, tmp; + uint32_t val, tmp[4]; char *wr, *rd; struct timeval start, cur; int retries = RETRIES; -/* -#ifdef IPECAMERA_SIMPLIFIED_READOUT - uint32_t tmp; -#endif -*/ - assert(addr < 128); wr = pcilib_resolve_register_address(ctx, bank->write_addr); @@ -47,7 +42,7 @@ int ipecamera_read(pcilib_t *ctx, pcilib_register_bank_description_t *bank, pcil /* #ifdef IPECAMERA_SIMPLIFIED_READOUT - ipecamera_datacpy(&tmp, rd, bank); + ipecamera_datacpy(tmp, rd, bank); #endif */ @@ -58,25 +53,32 @@ retry: #ifdef IPECAMERA_SIMPLIFIED_READOUT usleep(PCILIB_REGISTER_TIMEOUT); -// ipecamera_datacpy(&tmp, rd, bank); +// ipecamera_datacpy(tmp, rd, bank); // usleep(PCILIB_REGISTER_TIMEOUT); ipecamera_datacpy(wr, &val, bank); usleep(PCILIB_REGISTER_TIMEOUT); -// ipecamera_datacpy(&tmp, rd, bank); +// ipecamera_datacpy(tmp, rd, bank); // usleep(PCILIB_REGISTER_TIMEOUT); ipecamera_datacpy(wr, &val, bank); usleep(PCILIB_REGISTER_TIMEOUT); -#endif - +#endif /* IPECAMERA_SIMPLIFIED_READOUT */ + gettimeofday(&start, NULL); +#ifdef IPECAMERA_MULTIREAD + usleep(PCILIB_REGISTER_TIMEOUT); + pcilib_datacpy(tmp, rd, 4, 4, bank->raw_endianess); + val = tmp[0]; +#else /* IPECAMERA_MULTIREAD */ ipecamera_datacpy(&val, rd, bank); + while ((val & READ_READY_BIT) == 0) { gettimeofday(&cur, NULL); if (((cur.tv_sec - start.tv_sec)*1000000 + (cur.tv_usec - start.tv_usec)) > PCILIB_REGISTER_TIMEOUT) break; ipecamera_datacpy(&val, rd, bank); } +#endif /* IPECAMERA_MULTIREAD */ if ((val & READ_READY_BIT) == 0) { if (--retries > 0) { @@ -111,17 +113,11 @@ retry: } int ipecamera_write(pcilib_t *ctx, pcilib_register_bank_description_t *bank, pcilib_register_addr_t addr, uint8_t bits, pcilib_register_value_t value) { - uint32_t val; + uint32_t val, tmp[4]; char *wr, *rd; struct timeval start, cur; int retries = RETRIES; -/* -#ifdef IPECAMERA_SIMPLIFIED_READOUT - uint32_t tmp; -#endif -*/ - assert(addr < 128); assert(value < 256); @@ -136,7 +132,7 @@ int ipecamera_write(pcilib_t *ctx, pcilib_register_bank_description_t *bank, pci /* #ifdef IPECAMERA_SIMPLIFIED_READOUT - ipecamera_datacpy(&tmp, rd, bank); + ipecamera_datacpy(tmp, rd, bank); #endif */ @@ -146,18 +142,23 @@ retry: #ifdef IPECAMERA_SIMPLIFIED_READOUT usleep(PCILIB_REGISTER_TIMEOUT); -// ipecamera_datacpy(&tmp, rd, bank); +// ipecamera_datacpy(tmp, rd, bank); // usleep(PCILIB_REGISTER_TIMEOUT); ipecamera_datacpy(wr, &val, bank); usleep(PCILIB_REGISTER_TIMEOUT); -// ipecamera_datacpy(&tmp, rd, bank); +// ipecamera_datacpy(tmp, rd, bank); // usleep(PCILIB_REGISTER_TIMEOUT); ipecamera_datacpy(wr, &val, bank); usleep(PCILIB_REGISTER_TIMEOUT); -#endif +#endif /* IPECAMERA_SIMPLIFIED_READOUT */ gettimeofday(&start, NULL); +#ifdef IPECAMERA_MULTIREAD + usleep(PCILIB_REGISTER_TIMEOUT); + pcilib_datacpy(tmp, rd, 4, 4, bank->raw_endianess); + val = tmp[0]; +#else /* IPECAMERA_MULTIREAD */ ipecamera_datacpy(&val, rd, bank); while ((val & READ_READY_BIT) == 0) { gettimeofday(&cur, NULL); @@ -165,6 +166,7 @@ retry: ipecamera_datacpy(&val, rd, bank); } +#endif /* IPECAMERA_MULTIREAD */ if ((val & READ_READY_BIT) == 0) { if (--retries > 0) { |