diff options
| -rw-r--r-- | src/jtag/drivers/ft2232.c | 373 |
1 files changed, 93 insertions, 280 deletions
diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c index f8b29273..9024f8e0 100644 --- a/src/jtag/drivers/ft2232.c +++ b/src/jtag/drivers/ft2232.c @@ -2364,6 +2364,46 @@ static int ft2232_purge_libftdi(void) #endif /* BUILD_FT2232_LIBFTDI == 1 */ +static int ft2232_set_data_bits_low_byte( uint8_t value, uint8_t direction ) +{ + uint8_t buf[3]; + uint32_t bytes_written; + + buf[0] = 0x80; /* command "set data bits low byte" */ + buf[1] = value; /* value */ + buf[2] = direction; /* direction */ + + LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); + + if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + { + LOG_ERROR("couldn't initialize data bits low byte"); + return ERROR_JTAG_INIT_FAILED; + } + + return ERROR_OK; +} + +static int ft2232_set_data_bits_high_byte( uint8_t value, uint8_t direction ) +{ + uint8_t buf[3]; + uint32_t bytes_written; + + buf[0] = 0x82; /* command "set data bits high byte" */ + buf[1] = value; /* value */ + buf[2] = direction; /* direction */ + + LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); + + if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + { + LOG_ERROR("couldn't initialize data bits high byte"); + return ERROR_JTAG_INIT_FAILED; + } + + return ERROR_OK; +} + static int ft2232_init(void) { uint8_t buf[1]; @@ -2468,9 +2508,6 @@ static inline void ftx232_dbus_init(void) */ static int ftx232_dbus_write(void) { - uint8_t buf[3]; - uint32_t bytes_written; - enum reset_types jtag_reset_config = jtag_get_reset_config(); if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) { @@ -2495,12 +2532,7 @@ static int ftx232_dbus_write(void) } /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, xRST high) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 DBUS"); return ERROR_JTAG_INIT_FAILED; @@ -2600,19 +2632,11 @@ static int signalyzer_init(void) static int axm0432_jtag_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x2b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2653,13 +2677,8 @@ static int axm0432_jtag_init(void) high_output |= nSRST; } - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'Dicarlo' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2670,22 +2689,11 @@ static int axm0432_jtag_init(void) static int redbee_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x2b; /* initialize low byte for jtag */ - /* command "set data bits low byte" */ - buf[0] = 0x80; - /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; - /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - buf[1] = low_output; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'redbee' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2718,13 +2726,8 @@ static int redbee_init(void) high_output |= nSRST; } - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'redbee' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2735,19 +2738,11 @@ static int redbee_init(void) static int jtagkey_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x1b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2800,13 +2795,8 @@ static int jtagkey_init(void) high_output &= ~nSRST; } - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2817,19 +2807,11 @@ static int jtagkey_init(void) static int olimex_jtag_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x1b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2867,13 +2849,8 @@ static int olimex_jtag_init(void) /* turn red LED on */ high_output |= 0x08; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2884,19 +2861,11 @@ static int olimex_jtag_init(void) static int flyswatter_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x18; low_direction = 0xfb; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE[12]=out, n[ST]srst = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2913,13 +2882,8 @@ static int flyswatter_init(void) /* turn red LED3 on, LED2 off */ high_output |= 0x08; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2930,19 +2894,11 @@ static int flyswatter_init(void) static int turtle_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x5b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2953,13 +2909,8 @@ static int turtle_init(void) high_output = 0x00; high_direction = 0x0C; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; - buf[2] = high_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2970,19 +2921,11 @@ static int turtle_init(void) static int comstick_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x0b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout"); return ERROR_JTAG_INIT_FAILED; @@ -2996,13 +2939,8 @@ static int comstick_init(void) high_output = 0x03; high_direction = 0x03; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; - buf[2] = high_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3013,19 +2951,11 @@ static int comstick_init(void) static int stm32stick_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x88; low_direction = 0x8b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3039,13 +2969,8 @@ static int stm32stick_init(void) high_output = 0x01; high_direction = 0x03; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; - buf[2] = high_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3056,19 +2981,11 @@ static int stm32stick_init(void) static int sheevaplug_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x1b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3090,13 +3007,8 @@ static int sheevaplug_init(void) high_output |= nSRSTnOE; high_output &= ~nSRST; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs - xRST */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3107,19 +3019,11 @@ static int sheevaplug_init(void) static int cortino_jtag_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x08; low_direction = 0x1b; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'cortino' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3133,15 +3037,10 @@ static int cortino_jtag_init(void) high_output = 0x03; high_direction = 0x03; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; - buf[2] = high_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { - LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout"); + LOG_ERROR("couldn't initialize FT2232 with 'cortino' layout"); return ERROR_JTAG_INIT_FAILED; } @@ -3150,9 +3049,6 @@ static int cortino_jtag_init(void) static int lisa_l_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - ftx232_dbus_init(); nTRST = 0x10; @@ -3163,13 +3059,8 @@ static int lisa_l_init(void) high_output = 0x00; high_direction = 0x18; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; - buf[2] = high_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'lisa_l' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3180,9 +3071,6 @@ static int lisa_l_init(void) static int flossjtag_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - ftx232_dbus_init(); nTRST = 0x10; @@ -3193,13 +3081,8 @@ static int flossjtag_init(void) high_output = 0x00; high_direction = 0x18; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; - buf[2] = high_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'Floss-JTAG' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3210,19 +3093,11 @@ static int flossjtag_init(void) static int xds100v2_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_output = 0x3A; low_direction = 0x7B; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */ - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE[12]=out, n[ST]srst = out */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'xds100v2' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3236,13 +3111,8 @@ static int xds100v2_init(void) high_output = 0x00; high_direction = 0x59; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'xds100v2' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3251,13 +3121,8 @@ static int xds100v2_init(void) high_output = 0x86; high_direction = 0x59; - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'xds100v2' layout"); return ERROR_JTAG_INIT_FAILED; @@ -3271,16 +3136,7 @@ static void olimex_jtag_blink(void) /* Olimex ARM-USB-OCD has a LED connected to ACBUS3 * ACBUS3 is bit 3 of the GPIOH port */ - if (high_output & 0x08) - { - /* set port pin high */ - high_output &= 0x07; - } - else - { - /* set port pin low */ - high_output |= 0x08; - } + high_output ^= 0x08; buffer_write(0x82); buffer_write(high_output); @@ -3564,9 +3420,6 @@ static int ft2232_stableclocks(int num_cycles, struct jtag_command* cmd) * ADBUS7 - GND */ static int icebear_jtag_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; - low_direction = 0x0b; /* output: TCK TDI TMS; input: TDO */ low_output = 0x08; /* high: TMS; low: TCK TDI */ nTRST = 0x10; @@ -3585,12 +3438,7 @@ static int icebear_jtag_init(void) { low_output |= nSRST; /* initialize low byte for jtag */ - buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; - buf[2] = low_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) { + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'IceBear' layout (low)"); return ERROR_JTAG_INIT_FAILED; } @@ -3598,14 +3446,8 @@ static int icebear_jtag_init(void) { high_output = 0x0; high_direction = 0x00; - - /* initialize high port */ - buf[0] = 0x82; /* command "set data bits high byte" */ - buf[1] = high_output; /* value */ - buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) { + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'IceBear' layout (high)"); return ERROR_JTAG_INIT_FAILED; } @@ -3802,8 +3644,6 @@ static int signalyzer_h_init(void) char *end_of_desc; uint16_t read_buf[12] = { 0 }; - uint8_t buf[3]; - uint32_t bytes_written; /* turn on center green led */ signalyzer_h_led_set(SIGNALYZER_CHAN_C, SIGNALYZER_LED_GREEN, @@ -4248,11 +4088,7 @@ static int signalyzer_h_init(void) } /* initialize low byte of controller for jtag operation */ - buf[0] = 0x80; - buf[1] = low_output; - buf[2] = low_direction; - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize Signalyzer-H layout"); return ERROR_JTAG_INIT_FAILED; @@ -4262,11 +4098,7 @@ static int signalyzer_h_init(void) if (ftdi_device == FT_DEVICE_2232H) { /* initialize high byte of controller for jtag operation */ - buf[0] = 0x82; - buf[1] = high_output; - buf[2] = high_direction; - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize Signalyzer-H layout"); return ERROR_JTAG_INIT_FAILED; @@ -4276,11 +4108,7 @@ static int signalyzer_h_init(void) if (ftdi_device == TYPE_2232H) { /* initialize high byte of controller for jtag operation */ - buf[0] = 0x82; - buf[1] = high_output; - buf[2] = high_direction; - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize Signalyzer-H layout"); return ERROR_JTAG_INIT_FAILED; @@ -4451,20 +4279,13 @@ static void signalyzer_h_blink(void) *******************************************************************/ static int ktlink_init(void) { - uint8_t buf[3]; - uint32_t bytes_written; uint8_t swd_en = 0x20; //0x20 SWD disable, 0x00 SWD enable (ADBUS5) low_output = 0x08 | swd_en; // value; TMS=1,TCK=0,TDI=0,SWD=swd_en low_direction = 0x3B; // out=1; TCK/TDI/TMS=out,TDO=in,SWD=out,RTCK=in,SRSTIN=in - // initialize low port - buf[0] = 0x80; // command "set data bits low byte" - buf[1] = low_output; - buf[2] = low_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize low byte for jtag */ + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout"); return ERROR_JTAG_INIT_FAILED; @@ -4496,13 +4317,8 @@ static int ktlink_init(void) high_output &= ~nSRST; } - // initialize high port - buf[0] = 0x82; // command "set data bits high byte" - buf[1] = high_output; // value - buf[2] = high_direction; - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK) + /* initialize high byte for jtag */ + if (ft2232_set_data_bits_high_byte(high_output,high_direction) != ERROR_OK) { LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout"); return ERROR_JTAG_INIT_FAILED; @@ -4548,10 +4364,7 @@ static void ktlink_reset(int trst, int srst) static void ktlink_blink(void) { /* LED connected to ACBUS7 */ - if (high_output & 0x80) - high_output &= 0x7F; - else - high_output |= 0x80; + high_output ^= 0x80; buffer_write(0x82); // command "set data bits high byte" buffer_write(high_output); |