diff options
Diffstat (limited to 'STM32_bootloader/Core/Src/libxsvf/tap.c')
| -rw-r--r-- | STM32_bootloader/Core/Src/libxsvf/tap.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/STM32_bootloader/Core/Src/libxsvf/tap.c b/STM32_bootloader/Core/Src/libxsvf/tap.c deleted file mode 100644 index c258fde..0000000 --- a/STM32_bootloader/Core/Src/libxsvf/tap.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Lib(X)SVF - A library for implementing SVF and XSVF JTAG players - * - * Copyright (C) 2009 RIEGL Research ForschungsGmbH - * Copyright (C) 2009 Clifford Wolf <clifford@clifford.at> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - -#include "libxsvf.h" - -static void tap_transition(struct libxsvf_host *h, int v) -{ - LIBXSVF_HOST_PULSE_TCK(v, -1, -1, 0, 0); -} - -int libxsvf_tap_walk(struct libxsvf_host *h, enum libxsvf_tap_state s) -{ - int i, j; - for (i=0; s != h->tap_state; i++) - { - switch (h->tap_state) - { - /* Special States */ - case LIBXSVF_TAP_INIT: - for (j = 0; j < 6; j++) - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_RESET; - break; - case LIBXSVF_TAP_RESET: - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_IDLE; - break; - case LIBXSVF_TAP_IDLE: - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DRSELECT; - break; - - /* DR States */ - case LIBXSVF_TAP_DRSELECT: - if (s >= LIBXSVF_TAP_IRSELECT || s == LIBXSVF_TAP_RESET) { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_IRSELECT; - } else { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_DRCAPTURE; - } - break; - case LIBXSVF_TAP_DRCAPTURE: - if (s == LIBXSVF_TAP_DRSHIFT) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_DRSHIFT; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DREXIT1; - } - break; - case LIBXSVF_TAP_DRSHIFT: - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DREXIT1; - break; - case LIBXSVF_TAP_DREXIT1: - if (s == LIBXSVF_TAP_DRPAUSE) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_DRPAUSE; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DRUPDATE; - } - break; - case LIBXSVF_TAP_DRPAUSE: - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DREXIT2; - break; - case LIBXSVF_TAP_DREXIT2: - if (s == LIBXSVF_TAP_DRSHIFT) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_DRSHIFT; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DRUPDATE; - } - break; - case LIBXSVF_TAP_DRUPDATE: - if (s == LIBXSVF_TAP_IDLE) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_IDLE; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DRSELECT; - } - break; - - /* IR States */ - case LIBXSVF_TAP_IRSELECT: - if (s == LIBXSVF_TAP_RESET) { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_RESET; - } else { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_IRCAPTURE; - } - break; - case LIBXSVF_TAP_IRCAPTURE: - if (s == LIBXSVF_TAP_IRSHIFT) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_IRSHIFT; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_IREXIT1; - } - break; - case LIBXSVF_TAP_IRSHIFT: - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_IREXIT1; - break; - case LIBXSVF_TAP_IREXIT1: - if (s == LIBXSVF_TAP_IRPAUSE) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_IRPAUSE; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_IRUPDATE; - } - break; - case LIBXSVF_TAP_IRPAUSE: - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_IREXIT2; - break; - case LIBXSVF_TAP_IREXIT2: - if (s == LIBXSVF_TAP_IRSHIFT) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_IRSHIFT; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_IRUPDATE; - } - break; - case LIBXSVF_TAP_IRUPDATE: - if (s == LIBXSVF_TAP_IDLE) { - tap_transition(h, 0); - h->tap_state = LIBXSVF_TAP_IDLE; - } else { - tap_transition(h, 1); - h->tap_state = LIBXSVF_TAP_DRSELECT; - } - break; - - default: - LIBXSVF_HOST_REPORT_ERROR("Illegal tap state."); - return -1; - } - if (h->report_tapstate) - LIBXSVF_HOST_REPORT_TAPSTATE(); - if (i>10) { - LIBXSVF_HOST_REPORT_ERROR("Loop in tap walker."); - return -1; - } - } - - return 0; -} |