diff options
Diffstat (limited to 'ccdbg-io.c')
| -rw-r--r-- | ccdbg-io.c | 46 |
1 files changed, 38 insertions, 8 deletions
@@ -40,6 +40,8 @@ ccdbg_open(char *file) perror("calloc"); return NULL; } + dbg->clock = 1; +#ifdef USE_KERNEL dbg->fd = open(file, 2); if (dbg->fd < 0) { perror(file); @@ -48,6 +50,9 @@ ccdbg_open(char *file) } cccp_init(dbg); cccp_write(dbg, CC_CLOCK, CC_CLOCK); +#else + cp_usb_init(dbg); +#endif dbg->clock = 1; return dbg; } @@ -55,17 +60,42 @@ ccdbg_open(char *file) void ccdbg_close(struct ccdbg *dbg) { +#if USE_KERNEL cccp_fini(dbg); close (dbg->fd); +#else + cp_usb_fini(dbg); +#endif free (dbg); } +int +ccdbg_write(struct ccdbg *dbg, uint8_t mask, uint8_t value) +{ +#if USE_KERNEL + return cccp_write(dbg, mask, value); +#else + cp_usb_write(dbg, mask, value); + return 0; +#endif +} + +uint8_t +ccdbg_read(struct ccdbg *dbg) +{ +#if USE_KERNEL + return cccp_read_all(dbg); +#else + return cp_usb_read(dbg); +#endif +} + void ccdbg_clock_1_0(struct ccdbg *dbg) { ccdbg_quarter_clock(dbg); assert(dbg->clock == 1); - cccp_write(dbg, CC_CLOCK, 0); + ccdbg_write(dbg, CC_CLOCK, 0); dbg->clock = 0; ccdbg_quarter_clock(dbg); } @@ -75,7 +105,7 @@ ccdbg_clock_0_1(struct ccdbg *dbg) { ccdbg_quarter_clock(dbg); assert(dbg->clock == 0); - cccp_write(dbg, CC_CLOCK, CC_CLOCK); + ccdbg_write(dbg, CC_CLOCK, CC_CLOCK); dbg->clock = 1; ccdbg_quarter_clock(dbg); } @@ -94,9 +124,9 @@ ccdbg_write_bit(struct ccdbg *dbg, uint8_t bit) if (bit) data |= CC_DATA; ccdbg_half_clock(dbg); - cccp_write(dbg, CC_DATA|CC_CLOCK, data); + ccdbg_write(dbg, CC_DATA|CC_CLOCK, data); ccdbg_half_clock(dbg); - cccp_write(dbg, CC_CLOCK, 0); + ccdbg_write(dbg, CC_CLOCK, 0); // printf ("%d", bit); } @@ -115,11 +145,11 @@ ccdbg_read_bit(struct ccdbg *dbg) uint8_t data; ccdbg_half_clock(dbg); - cccp_write(dbg, CC_CLOCK, CC_CLOCK); + ccdbg_write(dbg, CC_CLOCK, CC_CLOCK); ccdbg_half_clock(dbg); - cccp_write(dbg, CC_CLOCK, 0); - data = cccp_read(dbg, CC_DATA); - return data ? 1 : 0; + ccdbg_write(dbg, CC_CLOCK, 0); + data = ccdbg_read(dbg); + return (data & CC_DATA) ? 1 : 0; } uint8_t |