FTDI MPSSE: Initial MPSSE commands dissection
MPSSE response data and chip specific command parameters are not dissected yet. Ping-Bug: 11743 Change-Id: If783ef4580d0f8862419a249191f24521e316271 Reviewed-on: https://code.wireshark.org/review/35961 Petri-Dish: Tomasz Moń <desowin@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
Tomasz Moń
Anders Broman
parent
7ce2ca316c
commit
ce4e7bdf4b
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@ -14,10 +14,50 @@
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <wsutil/str_util.h>
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static int proto_ftdi_mpsse = -1;
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static gint hf_mpsse_command = -1;
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/* Data Shifting commands bits (b0-b6 are relevant only if b7 is 0) */
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static gint hf_mpsse_command_b0 = -1;
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static gint hf_mpsse_command_b1 = -1;
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static gint hf_mpsse_command_b2 = -1;
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static gint hf_mpsse_command_b3 = -1;
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static gint hf_mpsse_command_b4 = -1;
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static gint hf_mpsse_command_b5 = -1;
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static gint hf_mpsse_command_b6 = -1;
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static gint hf_mpsse_command_b7 = -1;
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static gint hf_mpsse_length_uint8 = -1;
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static gint hf_mpsse_length_uint16 = -1;
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static gint hf_mpsse_bytes_out = -1;
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static gint hf_mpsse_bits_out = -1;
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static gint hf_mpsse_value = -1;
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static gint hf_mpsse_value_b0 = -1;
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static gint hf_mpsse_value_b1 = -1;
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static gint hf_mpsse_value_b2 = -1;
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static gint hf_mpsse_value_b3 = -1;
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static gint hf_mpsse_value_b4 = -1;
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static gint hf_mpsse_value_b5 = -1;
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static gint hf_mpsse_value_b6 = -1;
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static gint hf_mpsse_value_b7 = -1;
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static gint hf_mpsse_direction = -1;
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static gint hf_mpsse_direction_b0 = -1;
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static gint hf_mpsse_direction_b1 = -1;
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static gint hf_mpsse_direction_b2 = -1;
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static gint hf_mpsse_direction_b3 = -1;
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static gint hf_mpsse_direction_b4 = -1;
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static gint hf_mpsse_direction_b5 = -1;
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static gint hf_mpsse_direction_b6 = -1;
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static gint hf_mpsse_direction_b7 = -1;
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static gint hf_mpsse_cpumode_address_short = -1;
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static gint hf_mpsse_cpumode_address_extended = -1;
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static gint hf_mpsse_cpumode_data = -1;
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static gint ett_ftdi_mpsse = -1;
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static gint ett_mpsse_command = -1;
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static gint ett_mpsse_value = -1;
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static gint ett_mpsse_direction = -1;
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static expert_field ei_undecoded = EI_INIT;
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@ -25,19 +65,410 @@ static dissector_handle_t ftdi_mpsse_handle;
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void proto_register_ftdi_mpsse(void);
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#define CMD_SET_DATA_BITS_LOW_BYTE 0x80
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#define CMD_SET_DATA_BITS_HIGH_BYTE 0x82
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#define CMD_CPUMODE_READ_SHORT_ADDR 0x90
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#define CMD_CPUMODE_READ_EXT_ADDR 0x91
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#define CMD_CPUMODE_WRITE_SHORT_ADDR 0x92
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#define CMD_CPUMODE_WRITE_EXT_ADDR 0x93
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static const value_string command_vals[] = {
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{0x10, "Clock Data Bytes Out on + ve clock edge MSB first(no read) [Use if CLK starts at '1']"},
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{0x11, "Clock Data Bytes Out on -ve clock edge MSB first (no read) [Use if CLK starts at '0']"},
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{0x12, "Clock Data Bits Out on +ve clock edge MSB first (no read) [Use if CLK starts at '1']"},
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{0x13, "Clock Data Bits Out on -ve clock edge MSB first (no read) [Use if CLK starts at '0']"},
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{0x18, "Clock Data Bytes Out on +ve clock edge LSB first (no read) [Use if CLK starts at '1']"},
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{0x19, "Clock Data Bytes Out on -ve clock edge LSB first (no read) [Use if CLK starts at '0']"},
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{0x1A, "Clock Data Bits Out on +ve clock edge LSB first (no read) [Use if CLK starts at '1']"},
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{0x1B, "Clock Data Bits Out on -ve clock edge LSB first (no read) [Use if CLK starts at '0']"},
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{0x20, "Clock Data Bytes In on +ve clock edge MSB first (no write)"},
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{0x22, "Clock Data Bits In on +ve clock edge MSB first (no write) [TDO/DI sampled just prior to rising edge]"},
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{0x24, "Clock Data Bytes In on -ve clock edge MSB first (no write)"},
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{0x26, "Clock Data Bits In on -ve clock edge MSB first (no write) [TDO/DI sampled just prior to falling edge]"},
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{0x28, "Clock Data Bytes In on +ve clock edge LSB first (no write)"},
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{0x2A, "Clock Data Bits In on +ve clock edge LSB first (no write) [TDO/DI sampled just prior to rising edge]"},
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{0x2C, "Clock Data Bytes In on -ve clock edge LSB first (no write)"},
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{0x2E, "Clock Data Bits In on -ve clock edge LSB first (no write) [TDO/DI sampled just prior to falling edge]"},
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{0x31, "Clock Data Bytes In and Out MSB first [out on -ve edge, in on +ve edge]"},
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{0x33, "Clock Data Bits In and Out MSB first [out on -ve edge, in on +ve edge]"},
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{0x34, "Clock Data Bytes In and Out MSB first [out on +ve edge, in on -ve edge]"},
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{0x36, "Clock Data Bits In and Out MSB first [out on +ve edge, in on -ve edge]"},
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{0x39, "Clock Data Bytes In and Out LSB first [out on -ve edge, in on +ve edge]"},
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{0x3B, "Clock Data Bits In and Out LSB first [out on -ve edge, in on +ve edge]"},
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{0x3C, "Clock Data Bytes In and Out LSB first [out on +ve edge, in on -ve edge]"},
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{0x3E, "Clock Data Bits In and Out LSB first [out on +ve edge, in on -ve edge]"},
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{0x4A, "Clock Data to TMS pin (no read) [TMS with LSB first on +ve clk edge - use if clk is set to '1']"},
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{0x4B, "Clock Data to TMS pin (no read) [TMS with LSB first on -ve clk edge - use if clk is set to '0']"},
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{0x6A, "Clock Data to TMS pin with read [TMS with LSB first on +ve clk edge, read on +ve edge - use if clk is set to '1']"},
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{0x6B, "Clock Data to TMS pin with read [TMS with LSB first on -ve clk edge, read on +ve edge - use if clk is set to '0']"},
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{0x6E, "Clock Data to TMS pin with read [TMS with LSB first on +ve clk edge, read on -ve edge - use if clk is set to '1']"},
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{0x6F, "Clock Data to TMS pin with read [TMS with LSB first on -ve clk edge, read on -ve edge - use if clk is set to '0']"},
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{CMD_SET_DATA_BITS_LOW_BYTE, "Set Data bits LowByte"},
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{0x81, "Read Data bits LowByte"},
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{CMD_SET_DATA_BITS_HIGH_BYTE, "Set Data bits HighByte"},
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{0x83, "Read Data bits HighByte"},
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{0x84, "Connect TDI to TDO for Loopback"},
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{0x85, "Disconnect TDI to TDO for Loopback"},
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{0x86, "Set TCK/SK Divisor (FT2232D) / Set clk divisor (FT232H/FT2232H/FT4232H)"},
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{0x87, "Send Immediate (flush buffer back to the PC)"},
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{0x88, "Wait On I/O High (wait until GPIOL1 (JTAG) or I/O1 (CPU) is high)"},
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{0x89, "Wait On I/O Low (wait until GPIOL1 (JTAG) or I/O1 (CPU) is low)"},
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{0x8A, "Disable Clk Divide by 5 (FT232H, FT2232H & FT4232H ONLY)"},
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{0x8B, "Enable Clk Divide by 5 (FT232H, FT2232H & FT4232H ONLY)"},
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{0x8C, "Enable 3 Phase Data Clocking (FT232H, FT2232H & FT4232H ONLY)"},
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{0x8D, "Disable 3 Phase Data Clocking (FT232H, FT2232H & FT4232H ONLY)"},
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{0x8E, "Clock For n bits with no data transfer (FT232H, FT2232H & FT4232H ONLY)"},
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{0x8F, "Clock For n x 8 bits with no data transfer (FT232H, FT2232H & FT4232H ONLY)"},
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{CMD_CPUMODE_READ_SHORT_ADDR, "CPUMode Read Short Address"},
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{CMD_CPUMODE_READ_EXT_ADDR, "CPUMode Read Extended Address"},
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{CMD_CPUMODE_WRITE_SHORT_ADDR, "CPUMode Write Short Address"},
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{CMD_CPUMODE_WRITE_EXT_ADDR, "CPUMode Write Extended Address"},
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{0x94, "Clk continuously and Wait On I/O High (FT232H, FT2232H & FT4232H ONLY)"},
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{0x95, "Clk continuously and Wait On I/O Low (FT232H, FT2232H & FT4232H ONLY)"},
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{0x96, "Turn On Adaptive clocking (FT232H, FT2232H & FT4232H ONLY)"},
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{0x97, "Turn Off Adaptive clocking (FT232H, FT2232H & FT4232H ONLY)"},
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{0x9C, "Clock For n x 8 bits with no data transfer or Until GPIOL1 is High (FT232H, FT2232H & FT4232H ONLY)"},
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{0x9D, "Clock For n x 8 bits with no data transfer or Until GPIOL1 is Low (FT232H, FT2232H & FT4232H ONLY)"},
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{0x9E, "Set I/O to only drive on a '0' and tristate on a '1' (FT232H ONLY)"},
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{0, NULL}
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};
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static value_string_ext command_vals_ext = VALUE_STRING_EXT_INIT(command_vals);
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static const value_string data_shifting_command_b1_vals[] = {
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{0, "Byte mode"},
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{1, "Bit mode"},
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{0, NULL}
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};
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static const value_string data_shifting_command_b3_vals[] = {
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{0, "MSB first"},
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{1, "LSB first"},
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{0, NULL}
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};
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static const value_string command_b7_vals[] = {
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{0, "Data Shifting Command"},
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{1, "Other (Not Data Shifting) Command"},
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{0, NULL}
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};
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static gboolean is_valid_command(guint8 cmd)
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{
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return try_val_to_str_ext(cmd, &command_vals_ext) != NULL;
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}
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#define IS_DATA_SHIFTING_COMMAND(cmd) ((cmd & (1u << 7)) == 0)
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#define IS_DATA_SHIFTING_BYTE_MODE(cmd) ((cmd & (1u << 1)) == 0)
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#define IS_DATA_SHIFTING_WRITING_TDI(cmd) (cmd & (1u << 4))
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#define IS_DATA_SHIFTING_WRITING_TMS(cmd) (cmd & (1u << 6))
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static gint
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dissect_data_shifting_command_parameters(guint8 cmd, tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, gint offset)
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{
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gint offset_start = offset;
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guint32 length;
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DISSECTOR_ASSERT(IS_DATA_SHIFTING_COMMAND(cmd) && is_valid_command(cmd));
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if (IS_DATA_SHIFTING_BYTE_MODE(cmd))
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{
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length = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN);
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proto_tree_add_uint_format(tree, hf_mpsse_length_uint16, tvb, offset, 2, length, "Length: %d byte%s", length + 1, plurality(length + 1, "", "s"));
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offset += 2;
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if (IS_DATA_SHIFTING_WRITING_TDI(cmd))
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{
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proto_tree_add_item(tree, hf_mpsse_bytes_out, tvb, offset, length + 1, ENC_NA);
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offset += length + 1;
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}
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}
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else
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{
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length = tvb_get_guint8(tvb, offset);
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proto_tree_add_uint_format(tree, hf_mpsse_length_uint8, tvb, offset, 1, length, "Length: %d bit%s", length + 1, plurality(length + 1, "", "s"));
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offset += 1;
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if (IS_DATA_SHIFTING_WRITING_TDI(cmd) || IS_DATA_SHIFTING_WRITING_TMS(cmd))
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{
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proto_tree_add_item(tree, hf_mpsse_bits_out, tvb, offset, 1, ENC_LITTLE_ENDIAN);
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offset += 1;
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}
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}
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return offset - offset_start;
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}
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static gint
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dissect_set_data_bits_parameters(guint8 cmd _U_, tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, gint offset, const char *signal_names[8])
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{
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static const gint *value_bits_hf[] = {
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&hf_mpsse_value_b0,
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&hf_mpsse_value_b1,
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&hf_mpsse_value_b2,
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&hf_mpsse_value_b3,
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&hf_mpsse_value_b4,
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&hf_mpsse_value_b5,
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&hf_mpsse_value_b6,
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&hf_mpsse_value_b7,
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};
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static const gint *direction_bits_hf[] = {
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&hf_mpsse_direction_b0,
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&hf_mpsse_direction_b1,
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&hf_mpsse_direction_b2,
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&hf_mpsse_direction_b3,
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&hf_mpsse_direction_b4,
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&hf_mpsse_direction_b5,
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&hf_mpsse_direction_b6,
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&hf_mpsse_direction_b7,
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};
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guint32 value, direction;
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proto_item *value_item, *direction_item;
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proto_tree *value_tree, *direction_tree;
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guint bit;
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value_item = proto_tree_add_item_ret_uint(tree, hf_mpsse_value, tvb, offset, 1, ENC_LITTLE_ENDIAN, &value);
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direction_item = proto_tree_add_item_ret_uint(tree, hf_mpsse_direction, tvb, offset + 1, 1, ENC_LITTLE_ENDIAN, &direction);
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value_tree = proto_item_add_subtree(value_item, ett_mpsse_value);
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for (bit = 0; bit < 8; bit++)
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{
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const char *state;
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if ((1 << bit) & direction)
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{
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state = ((1 << bit) & value) ? "Output High" : "Output Low";
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}
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else
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{
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state = "N/A (Input)";
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}
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proto_tree_add_uint_format_value(value_tree, *value_bits_hf[bit], tvb, offset, 1, value, "%s %s", signal_names[bit], state);
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}
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direction_tree = proto_item_add_subtree(direction_item, ett_mpsse_direction);
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for (bit = 0; bit < 8; bit++)
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{
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const char *type = ((1 << bit) & direction) ? "Output" : "Input";
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proto_tree_add_uint_format_value(direction_tree, *direction_bits_hf[bit], tvb, offset + 1, 1, direction, "%s %s", signal_names[bit], type);
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}
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return 2;
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}
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static gint
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dissect_cpumode_parameters(guint8 cmd, tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, gint offset)
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{
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gint offset_start = offset;
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/* Address is either short (1 byte) or extended (2 bytes) */
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if ((cmd == CMD_CPUMODE_READ_SHORT_ADDR) || (cmd == CMD_CPUMODE_WRITE_SHORT_ADDR))
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{
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proto_tree_add_item(tree, hf_mpsse_cpumode_address_short, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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}
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else if ((cmd == CMD_CPUMODE_READ_EXT_ADDR) || (cmd == CMD_CPUMODE_WRITE_EXT_ADDR))
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{
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proto_tree_add_item(tree, hf_mpsse_cpumode_address_extended, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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}
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/* Write commands have data parameter (1 byte) */
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if ((cmd == CMD_CPUMODE_WRITE_SHORT_ADDR) || (cmd == CMD_CPUMODE_WRITE_EXT_ADDR))
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{
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proto_tree_add_item(tree, hf_mpsse_cpumode_data, tvb, offset, 1, ENC_LITTLE_ENDIAN);
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offset += 1;
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}
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return offset - offset_start;
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}
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static gint
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dissect_non_data_shifting_command_parameters(guint8 cmd, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gint offset)
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{
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static const char *low_byte_signal_names[8] = {
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"TCK/SK",
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"TDI/DO",
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"TDO/DI",
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"TMS/CS",
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"GPIOL0",
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"GPIOL1",
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"GPIOL2",
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"GPIOL3",
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};
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static const char *high_byte_signal_names[8] = {
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"GPIOH0",
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"GPIOH1",
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"GPIOH2",
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"GPIOH3",
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"GPIOH4",
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"GPIOH5",
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"GPIOH6",
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"GPIOH7",
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};
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DISSECTOR_ASSERT(!IS_DATA_SHIFTING_COMMAND(cmd) && is_valid_command(cmd));
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switch (cmd)
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{
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case CMD_SET_DATA_BITS_LOW_BYTE:
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return dissect_set_data_bits_parameters(cmd, tvb, pinfo, tree, offset, low_byte_signal_names);
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case CMD_SET_DATA_BITS_HIGH_BYTE:
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return dissect_set_data_bits_parameters(cmd, tvb, pinfo, tree, offset, high_byte_signal_names);
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case CMD_CPUMODE_READ_SHORT_ADDR:
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case CMD_CPUMODE_READ_EXT_ADDR:
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case CMD_CPUMODE_WRITE_SHORT_ADDR:
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case CMD_CPUMODE_WRITE_EXT_ADDR:
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return dissect_cpumode_parameters(cmd, tvb, pinfo, tree, offset);
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default:
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return 0;
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}
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}
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static gint estimated_command_parameters_length(guint8 cmd, tvbuff_t *tvb, gint offset)
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{
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gint parameters_length = 0;
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DISSECTOR_ASSERT(is_valid_command(cmd));
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if (IS_DATA_SHIFTING_COMMAND(cmd))
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{
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if (IS_DATA_SHIFTING_BYTE_MODE(cmd))
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{
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parameters_length = 2;
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if (IS_DATA_SHIFTING_WRITING_TDI(cmd))
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{
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if (tvb_reported_length_remaining(tvb, offset) >= 2)
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{
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parameters_length += tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN) + 1;
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}
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/* else length is not available already so the caller will know that reassembly is needed */
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}
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}
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else /* bit mode */
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{
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parameters_length = (IS_DATA_SHIFTING_WRITING_TDI(cmd) || IS_DATA_SHIFTING_WRITING_TMS(cmd)) ? 2 : 1;
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}
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}
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else
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{
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switch (cmd)
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{
|
||||
case CMD_CPUMODE_WRITE_EXT_ADDR:
|
||||
parameters_length = 3;
|
||||
break;
|
||||
case CMD_SET_DATA_BITS_LOW_BYTE:
|
||||
case CMD_SET_DATA_BITS_HIGH_BYTE:
|
||||
case CMD_CPUMODE_READ_EXT_ADDR:
|
||||
case CMD_CPUMODE_WRITE_SHORT_ADDR:
|
||||
case 0x86: case 0x8F: case 0x9C: case 0x9D: case 0x9E:
|
||||
parameters_length = 2;
|
||||
break;
|
||||
case CMD_CPUMODE_READ_SHORT_ADDR:
|
||||
case 0x8E:
|
||||
parameters_length = 1;
|
||||
break;
|
||||
case 0x81: case 0x83: case 0x84: case 0x85: case 0x87: case 0x88: case 0x89: case 0x8A: case 0x8B: case 0x8C: case 0x8D: case 0x94: case 0x95: case 0x96: case 0x97:
|
||||
parameters_length = 0;
|
||||
break;
|
||||
default:
|
||||
DISSECTOR_ASSERT_NOT_REACHED();
|
||||
}
|
||||
}
|
||||
|
||||
return parameters_length;
|
||||
}
|
||||
|
||||
static gint
|
||||
dissect_command(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gint offset, gboolean *need_reassembly)
|
||||
{
|
||||
guint8 cmd;
|
||||
gint offset_start = offset;
|
||||
|
||||
static const int *data_shifting_cmd_bits[] = {
|
||||
&hf_mpsse_command_b7,
|
||||
&hf_mpsse_command_b6,
|
||||
&hf_mpsse_command_b5,
|
||||
&hf_mpsse_command_b4,
|
||||
&hf_mpsse_command_b3,
|
||||
&hf_mpsse_command_b2,
|
||||
&hf_mpsse_command_b1,
|
||||
&hf_mpsse_command_b0,
|
||||
NULL
|
||||
};
|
||||
|
||||
static const int *non_data_shifting_cmd_bits[] = {
|
||||
&hf_mpsse_command_b7,
|
||||
NULL
|
||||
};
|
||||
|
||||
cmd = tvb_get_guint8(tvb, offset);
|
||||
proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_mpsse_command, ett_mpsse_command,
|
||||
IS_DATA_SHIFTING_COMMAND(cmd) ? data_shifting_cmd_bits : non_data_shifting_cmd_bits,
|
||||
ENC_LITTLE_ENDIAN, BMT_NO_APPEND);
|
||||
offset += 1;
|
||||
|
||||
if (is_valid_command(cmd))
|
||||
{
|
||||
gint parameters_length = estimated_command_parameters_length(cmd, tvb, offset);
|
||||
if (tvb_reported_length_remaining(tvb, offset) >= parameters_length)
|
||||
{
|
||||
gint dissected;
|
||||
*need_reassembly = FALSE;
|
||||
if (IS_DATA_SHIFTING_COMMAND(cmd))
|
||||
{
|
||||
dissected = dissect_data_shifting_command_parameters(cmd, tvb, pinfo, tree, offset);
|
||||
DISSECTOR_ASSERT(dissected == parameters_length);
|
||||
offset += dissected;
|
||||
}
|
||||
else if (parameters_length > 0)
|
||||
{
|
||||
dissected = dissect_non_data_shifting_command_parameters(cmd, tvb, pinfo, tree, offset);
|
||||
if (parameters_length > dissected)
|
||||
{
|
||||
proto_tree_add_expert(tree, pinfo, &ei_undecoded, tvb, offset + dissected, parameters_length - dissected);
|
||||
}
|
||||
offset += parameters_length;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
*need_reassembly = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
return offset - offset_start;
|
||||
}
|
||||
|
||||
static gint
|
||||
dissect_ftdi_mpsse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
||||
{
|
||||
gint offset = 0;
|
||||
proto_item *main_item;
|
||||
proto_tree *main_tree;
|
||||
gint offset = 0;
|
||||
proto_item *main_item;
|
||||
proto_tree *main_tree;
|
||||
|
||||
main_item = proto_tree_add_item(tree, proto_ftdi_mpsse, tvb, offset, -1, ENC_NA);
|
||||
main_tree = proto_item_add_subtree(main_item, ett_ftdi_mpsse);
|
||||
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "FTDI MPSSE");
|
||||
|
||||
proto_tree_add_expert(main_tree, pinfo, &ei_undecoded, tvb, offset, -1);
|
||||
if (pinfo->p2p_dir == P2P_DIR_SENT)
|
||||
{
|
||||
gboolean need_reassembly = FALSE;
|
||||
while ((tvb_reported_length_remaining(tvb, offset) > 0) && (!need_reassembly))
|
||||
{
|
||||
offset += dissect_command(tvb, pinfo, main_tree, offset, &need_reassembly);
|
||||
}
|
||||
|
||||
if (need_reassembly)
|
||||
{
|
||||
/* TODO: Implement desegmentation in FTDI FT and ask for one more segment */
|
||||
REPORT_DISSECTOR_BUG("Reassembly is not implemented yet. Dissection will get out of sync.");
|
||||
}
|
||||
}
|
||||
|
||||
if (tvb_reported_length_remaining(tvb, offset) > 0)
|
||||
{
|
||||
proto_tree_add_expert(main_tree, pinfo, &ei_undecoded, tvb, offset, -1);
|
||||
}
|
||||
|
||||
return tvb_reported_length(tvb);
|
||||
}
|
||||
|
|
@ -47,15 +478,192 @@ proto_register_ftdi_mpsse(void)
|
|||
{
|
||||
expert_module_t *expert_module;
|
||||
|
||||
static hf_register_info hf[] = {
|
||||
{ &hf_mpsse_command,
|
||||
{ "Command", "ftdi-mpsse.command",
|
||||
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &command_vals_ext, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b0,
|
||||
{ "-ve CLK on write", "ftdi-mpsse.command.b0",
|
||||
FT_BOOLEAN, 8, NULL, (1 << 0),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b1,
|
||||
{ "Mode", "ftdi-mpsse.command.b1",
|
||||
FT_UINT8, BASE_DEC, VALS(data_shifting_command_b1_vals), (1 << 1),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b2,
|
||||
{ "-ve CLK on read", "ftdi-mpsse.command.b2",
|
||||
FT_BOOLEAN, 8, NULL, (1 << 2),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b3,
|
||||
{ "Endianness", "ftdi-mpsse.command.b3",
|
||||
FT_UINT8, BASE_DEC, VALS(data_shifting_command_b3_vals), (1 << 3),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b4,
|
||||
{ "Do write TDI", "ftdi-mpsse.command.b4",
|
||||
FT_BOOLEAN, 8, NULL, (1 << 4),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b5,
|
||||
{ "Do read TDO", "ftdi-mpsse.command.b5",
|
||||
FT_BOOLEAN, 8, NULL, (1 << 5),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b6,
|
||||
{ "Do write TMS", "ftdi-mpsse.command.b6",
|
||||
FT_BOOLEAN, 8, NULL, (1 << 6),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_command_b7,
|
||||
{ "Type", "ftdi-mpsse.command.b7",
|
||||
FT_UINT8, BASE_DEC, VALS(command_b7_vals), (1 << 7),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_length_uint8,
|
||||
{ "Length", "ftdi-mpsse.length",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_length_uint16,
|
||||
{ "Length", "ftdi-mpsse.length",
|
||||
FT_UINT16, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_bytes_out,
|
||||
{ "Bytes", "ftdi-mpsse.bytes_out",
|
||||
FT_BYTES, BASE_NONE, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_bits_out,
|
||||
{ "Bits", "ftdi-mpsse.bits_out",
|
||||
FT_UINT8, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value,
|
||||
{ "Value", "ftdi-mpsse.value",
|
||||
FT_UINT8, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b0,
|
||||
{ "Bit 0", "ftdi-mpsse.value.b0",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 0),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b1,
|
||||
{ "Bit 1", "ftdi-mpsse.value.b1",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 1),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b2,
|
||||
{ "Bit 2", "ftdi-mpsse.value.b2",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 2),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b3,
|
||||
{ "Bit 3", "ftdi-mpsse.value.b3",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 3),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b4,
|
||||
{ "Bit 4", "ftdi-mpsse.value.b4",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 4),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b5,
|
||||
{ "Bit 5", "ftdi-mpsse.value.b5",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 5),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b6,
|
||||
{ "Bit 6", "ftdi-mpsse.value.b6",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 6),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_value_b7,
|
||||
{ "Bit 7", "ftdi-mpsse.value.b7",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 7),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction,
|
||||
{ "Direction", "ftdi-mpsse.direction",
|
||||
FT_UINT8, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b0,
|
||||
{ "Bit 0", "ftdi-mpsse.direction.b0",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 0),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b1,
|
||||
{ "Bit 1", "ftdi-mpsse.direction.b1",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 1),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b2,
|
||||
{ "Bit 2", "ftdi-mpsse.direction.b2",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 2),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b3,
|
||||
{ "Bit 3", "ftdi-mpsse.direction.b3",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 3),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b4,
|
||||
{ "Bit 4", "ftdi-mpsse.direction.b4",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 4),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b5,
|
||||
{ "Bit 5", "ftdi-mpsse.direction.b5",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 5),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b6,
|
||||
{ "Bit 6", "ftdi-mpsse.direction.b6",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 6),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_direction_b7,
|
||||
{ "Bit 7", "ftdi-mpsse.direction.b7",
|
||||
FT_UINT8, BASE_DEC, NULL, (1 << 7),
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_mpsse_cpumode_address_short,
|
||||
{ "Address", "ftdi-mpsse.cpumode_address",
|
||||
FT_UINT8, BASE_HEX, NULL, 0x0,
|
||||
"CPUMode Short Address", HFILL }
|
||||
},
|
||||
{ &hf_mpsse_cpumode_address_extended,
|
||||
{ "Address", "ftdi-mpsse.cpumode_address",
|
||||
FT_UINT16, BASE_HEX, NULL, 0x0,
|
||||
"CPUMode Extended Address", HFILL }
|
||||
},
|
||||
{ &hf_mpsse_cpumode_data,
|
||||
{ "Data", "ftdi-mpsse.cpumode_data",
|
||||
FT_UINT8, BASE_HEX, NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
};
|
||||
|
||||
static ei_register_info ei[] = {
|
||||
{ &ei_undecoded, { "ftdi-mpsse.undecoded", PI_UNDECODED, PI_WARN, "Not dissected yet (report to wireshark.org)", EXPFILL }},
|
||||
};
|
||||
|
||||
static gint *ett[] = {
|
||||
&ett_ftdi_mpsse,
|
||||
&ett_mpsse_command,
|
||||
&ett_mpsse_value,
|
||||
&ett_mpsse_direction,
|
||||
};
|
||||
|
||||
proto_ftdi_mpsse = proto_register_protocol("FTDI Multi-Protocol Synchronous Serial Engine", "FTDI MPSSE", "ftdi-mpsse");
|
||||
proto_register_field_array(proto_ftdi_mpsse, hf, array_length(hf));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
ftdi_mpsse_handle = register_dissector("ftdi-mpsse", dissect_ftdi_mpsse, proto_ftdi_mpsse);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue