96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
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#ifndef MEHFET_PROTO_H_
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#define MEHFET_PROTO_H_
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#include "transport.h"
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#define MEHFET_PROTO_VER 0x0001
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#define MEHFET_PROTO_VER_MIN_SUPPORTED 0x0001
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enum mehfet_cmd {
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mehfet_info = 0x01,
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mehfet_status = 0x02,
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mehfet_connect = 0x03,
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mehfet_disconnect = 0x04,
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mehfet_delay = 0x05,
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mehfet_set_clkspeed = 0x06,
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mehfet_get_old_lines = 0x07,
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mehfet_tdio_seq = 0x08,
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mehfet_tms_seq = 0x09,
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mehfet_tclk_edge = 0x0a,
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mehfet_tclk_burst = 0x0b,
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mehfet_reset_tap = 0x0c,
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mehfet_irshift = 0x0d,
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mehfet_drshift = 0x0e,
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mehfet_loop = 0x0f,
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};
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enum mehfet_caps {
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mehfet_cap_jtag_noentry = 1<<0,
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mehfet_cap_jtag_entryseq = 1<<1,
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mehfet_cap_sbw_entryseq = 1<<2,
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mehfet_cap_has_reset_tap = 1<< 8,
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mehfet_cap_has_irshift = 1<< 9,
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mehfet_cap_has_drshift = 1<<10,
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mehfet_cap_has_loop = 1<<11,
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};
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enum mehfet_conn {
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mehfet_conn_none = 0,
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mehfet_conn_auto = 0,
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mehfet_conn_jtag_noentry = 1,
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mehfet_conn_jtag_entryseq = 2,
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mehfet_conn_sbw_entryseq = 3,
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mehfet_conn_typemask = 0x7f,
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mehfet_conn_nrstmask = 0x80
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};
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enum mehfet_lines {
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mehfet_line_tclk = 1<<0,
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mehfet_line_tms = 1<<1,
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mehfet_line_tdi = 1<<2
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};
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enum mehfet_resettap_flags {
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mehfet_rsttap_do_reset = 1<<0, // reset TAP to run-test/idle state
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mehfet_rsttap_fuse_do = 1<<1, // perform fuse check procedure (TMS pulses) on target
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mehfet_rsttap_fuse_read = 1<<2, // check whether the JTAG fuse has been blown
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};
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enum mehfet_resettap_status {
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mehfet_rsttap_fuse_blown = 0x80
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};
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struct mehfet_info {
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char* devicename;
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enum mehfet_caps caps;
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uint32_t packet_buf_size;
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uint16_t proto_version;
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};
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int mehfet_cmd_info(transport_t t, struct mehfet_info* info);
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int mehfet_cmd_status(transport_t t, enum mehfet_conn* stat);
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int mehfet_cmd_connect(transport_t t, enum mehfet_conn conn);
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int mehfet_cmd_disconnect(transport_t t);
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int mehfet_cmd_delay(transport_t t, bool us, bool exact, uint32_t time);
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int mehfet_cmd_set_clkspeed(transport_t t, bool fast);
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int mehfet_cmd_get_old_lines(transport_t t, enum mehfet_lines* lines);
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int mehfet_cmd_tdio_seq(transport_t t, uint32_t nbits, bool tms, const uint8_t* tdi, uint8_t* tdo);
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int mehfet_cmd_tms_seq(transport_t t, uint32_t nbits, bool tdi, const uint8_t* tms);
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int mehfet_cmd_tclk_edge(transport_t t, bool newtclk);
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int mehfet_cmd_tclk_burst(transport_t t, uint32_t ncyc);
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int mehfet_cmd_reset_tap(transport_t t, enum mehfet_resettap_flags flags, enum mehfet_resettap_status* stat);
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int mehfet_cmd_irshift(transport_t t, uint8_t newir, uint8_t* oldir);
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int mehfet_cmd_drshift(transport_t t, uint32_t nbits, const uint8_t* newdr, uint8_t* olddr);
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// TODO: Loop
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#endif
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