jp.h

嵌入式开发板连接程序源码

#define LPT_READ (base+1)
#define LPT_WRITE base

#define TCLK_BIT (0x01)
#define TRST_BIT (0x02)
#define TDI_BIT  (0x04)
#define TMS_BIT  (0x08)
#define TDO_BIT  (0x20)
#define TMS      (0x02)
#define TDI      (0x01)

#ifdef DEBUG
#define debug printf
#else
#define debug
#endif

#ifdef DEBUG2
#define debug2 printf
#else
#define debug2
#endif

#if (DEBUG) || (DEBUG2)
#define flush_debug() fflush(stdout)
#else
#define flush_debug()
#endif

void jp_out (uint8_t value);
uint8_t jp_in();
int jp_select_cable(const char *cable);
void jp_wait();
int jp_cable_opt(int c, char *str);
void jp_print_cable_help();
const char *jp_get_cable_args();
int jp_init_cable();

# define NUM_RETRIES (16)
# define JTAG_RETRY_WAIT() usleep (1000)