sys64738
/
blackmagic
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

hosted/remote_jtagtap: Refactored jtagtap_cycle and cleaned up

This commit is contained in:
dragonmux 2022-07-18 03:45:13 +01:00 committed by Piotr Esden-Tempski
parent 088eb6f01b
commit 8177e3c723
2 changed files with 16 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/platforms/hosted/remote_jtagtap.c
View File

@ -43,6 +43,11 @@ static void jtagtap_tdi_seq(bool final_tms, const uint8_t *DI, size_t ticks);
static bool jtagtap_next(bool tms, bool tdi); static bool jtagtap_next(bool tms, bool tdi);
static void jtagtap_cycle(bool tms, bool tdi, size_t clock_cycles); static void jtagtap_cycle(bool tms, bool tdi, size_t clock_cycles);
static inline unsigned int bool_to_int(const bool value)
{
return value ? 1 : 0;
}
int remote_jtagtap_init(jtag_proc_t *jtag_proc) int remote_jtagtap_init(jtag_proc_t *jtag_proc)
{ {
uint8_t construct[REMOTE_MAX_MSG_SIZE]; uint8_t construct[REMOTE_MAX_MSG_SIZE];
@ -163,7 +168,7 @@ static void jtagtap_tdi_seq(const bool final_tms, const uint8_t *DI, size_t tick
static bool jtagtap_next(const bool tms, const bool tdi) static bool jtagtap_next(const bool tms, const bool tdi)
{ {
char buffer[REMOTE_MAX_MSG_SIZE]; char buffer[REMOTE_MAX_MSG_SIZE];
int length = snprintf((char *)buffer, REMOTE_MAX_MSG_SIZE, REMOTE_JTAG_NEXT, tms ? 1 : 0, tdi ? 1 : 0); int length = snprintf((char *)buffer, REMOTE_MAX_MSG_SIZE, REMOTE_JTAG_NEXT, bool_to_int(tms), bool_to_int(tdi));
platform_buffer_write((uint8_t *)buffer, length); platform_buffer_write((uint8_t *)buffer, length);
length = platform_buffer_read((uint8_t *)buffer, REMOTE_MAX_MSG_SIZE); length = platform_buffer_read((uint8_t *)buffer, REMOTE_MAX_MSG_SIZE);
@ -178,10 +183,13 @@ static bool jtagtap_next(const bool tms, const bool tdi)
static void jtagtap_cycle(const bool tms, const bool tdi, const size_t clock_cycles) static void jtagtap_cycle(const bool tms, const bool tdi, const size_t clock_cycles)
{ {
char buffer[REMOTE_MAX_MSG_SIZE]; char buffer[REMOTE_MAX_MSG_SIZE];
int length = snprintf(buffer, REMOTE_MAX_MSG_SIZE, REMOTE_JTAG_CYCLE_STR, tms ? 1 : 0, tdi ? 1 : 0, clock_cycles); int length =
snprintf(buffer, REMOTE_MAX_MSG_SIZE, REMOTE_JTAG_CYCLE_STR, bool_to_int(tms), bool_to_int(tdi), clock_cycles);
platform_buffer_write((uint8_t *)buffer, length); platform_buffer_write((uint8_t *)buffer, length);
length = platform_buffer_read((uint8_t *)buffer, REMOTE_MAX_MSG_SIZE); length = platform_buffer_read((uint8_t *)buffer, REMOTE_MAX_MSG_SIZE);
if (!length || buffer[0] == REMOTE_RESP_ERR) if (!length || buffer[0] == REMOTE_RESP_ERR) {
DEBUG_WARN("jtagtap_cycle failed, error %s\n", length ? buffer + 1 : "unknown"); DEBUG_WARN("jtagtap_cycle failed, error %s\n", length ? buffer + 1 : "unknown");
exit(-1);
}
} }

7
src/remote.h
View File

@ -143,8 +143,11 @@
#define REMOTE_JTAG_TDIDO_STR (char []){ REMOTE_SOM, REMOTE_JTAG_PACKET, '%', 'c', \ #define REMOTE_JTAG_TDIDO_STR (char []){ REMOTE_SOM, REMOTE_JTAG_PACKET, '%', 'c', \
'%','0','2','x','%','l', 'x', REMOTE_EOM, 0 } '%','0','2','x','%','l', 'x', REMOTE_EOM, 0 }
#define REMOTE_JTAG_CYCLE_STR (char []){ REMOTE_SOM, REMOTE_JTAG_PACKET, REMOTE_CYCLE, '%', 'u', '%', 'u', \ #define REMOTE_JTAG_CYCLE_STR \
'%', '0', '8', 'x', REMOTE_EOM, 0 } (char[]) \
{ \
REMOTE_SOM, REMOTE_JTAG_PACKET, REMOTE_CYCLE, '%', 'u', '%', 'u', '%', '0', '8', 'x', REMOTE_EOM, 0 \
}
#define REMOTE_JTAG_NEXT \ #define REMOTE_JTAG_NEXT \
(char[]) \ (char[]) \