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all jtag cable: no more hardcoding tdi bit with writeTMS

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This commit is contained in:
Gwenhael Goavec-Merou
2023-10-29 06:41:39 +01:00
parent 43ae0d8fdd
commit 59b56bcc95
29 changed files with 54 additions and 37 deletions
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src/ftdiJtagMPSSE.cpp
+10 -6
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@@ -107,10 +107,11 @@ void FtdiJtagMPSSE::config_edge()
}
}
int FtdiJtagMPSSE::writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer)
int FtdiJtagMPSSE::writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer, const uint8_t tdi)
{
(void) flush_buffer;
display("%s %d %d\n", __func__, len, (len/8)+1);
uint8_t curr_tdi = (tdi << 7);
if (len == 0)
return 0;
@@ -123,14 +124,17 @@ int FtdiJtagMPSSE::writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer)
MPSSE_BITMODE | _write_mode),
0, 0};
while (xfer > 0) {
uint8_t curr_tms = 0;
int bit_to_send = (xfer > 6) ? 6 : xfer;
buf[1] = bit_to_send-1;
buf[2] = 0x80;
buf[2] = curr_tdi;
for (int i = 0; i < bit_to_send; i++, offset++) {
buf[2] |=
(((tms[offset >> 3] & (1 << (offset & 0x07))) ? 1 : 0) << i);
curr_tms = ((tms[offset >> 3] & (1 << (offset & 0x07))) ? 1 : 0);
buf[2] |= (curr_tms << i);
}
buf[2] |= (curr_tms << bit_to_send);
pos+=3;
mpsse_store(buf, 3);
@@ -230,8 +234,8 @@ int FtdiJtagMPSSE::writeTDI(const uint8_t *tdi, uint8_t *tdo, uint32_t len, bool
static_cast<unsigned char>((xfer - 1) & 0xff), // low
static_cast<unsigned char>((((xfer - 1) >> 8) & 0xff))}; // high
display("%s len : %d %d %d %d\n", __func__, len, real_len, nb_byte,
nb_bit);
display("%s len : %d %d %d %d last: %d\n", __func__, len, real_len, nb_byte,
nb_bit, last);
if ((nb_byte + _num + 3) > _buffer_size)
mpsse_write();