mirror of https://github.com/arendst/Tasmota.git
197 lines
7.1 KiB
C
197 lines
7.1 KiB
C
/********************************************************************
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* Tasmota lib
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*
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* To use: `import wire`
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*
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* 2 wire communication - I2C
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*******************************************************************/
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#include "be_constobj.h"
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#ifdef USE_I2C
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extern int b_wire_init(bvm *vm);
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extern int b_wire_begintransmission(bvm *vm);
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extern int b_wire_endtransmission(bvm *vm);
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extern int b_wire_requestfrom(bvm *vm);
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extern int b_wire_available(bvm *vm);
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extern int b_wire_write(bvm *vm);
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extern int b_wire_read(bvm *vm);
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extern int b_wire_scan(bvm *vm);
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extern int b_wire_validwrite(bvm *vm);
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extern int b_wire_validread(bvm *vm);
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extern int b_wire_detect(bvm *vm);
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/********************************************************************
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"def read_bytes(addr,reg,size) "
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"self._begin_transmission(addr) "
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"self._write(reg) "
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"self._end_transmission(false) "
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"self._request_from(addr,size) "
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"var ret=bytes(size) "
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"while (self._available()) "
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"ret..self._read() "
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"end "
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"return ret "
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"end "
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********************************************************************/
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/********************************************************************
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** Solidified function: read_bytes
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********************************************************************/
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be_local_closure(read_bytes, /* name */
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be_nested_proto(
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8, /* nstack */
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4, /* argc */
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0, /* varg */
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0, /* has upvals */
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NULL, /* no upvals */
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0, /* has sup protos */
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NULL, /* no sub protos */
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1, /* has constants */
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( &(const bvalue[ 6]) { /* upvals */
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{ { .s=be_nested_const_str("_begin_transmission", -1515506120, 19) }, BE_STRING},
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{ { .s=be_nested_const_str("_write", -2079504471, 6) }, BE_STRING},
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{ { .s=be_nested_const_str("_end_transmission", -1057486896, 17) }, BE_STRING},
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{ { .s=be_nested_const_str("_request_from", -329818692, 13) }, BE_STRING},
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{ { .s=be_nested_const_str("_available", 1306196581, 10) }, BE_STRING},
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{ { .s=be_nested_const_str("_read", 346717030, 5) }, BE_STRING},
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}),
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(be_nested_const_str("read_bytes", -718234123, 10)),
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(be_nested_const_str("string", 398550328, 6)),
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( &(const binstruction[24]) { /* code */
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0x8C100100, // 0000 GETMET R4 R0 R256
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0x5C180200, // 0001 MOVE R6 R1
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0x7C100400, // 0002 CALL R4 2
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0x8C100101, // 0003 GETMET R4 R0 R257
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0x5C180400, // 0004 MOVE R6 R2
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0x7C100400, // 0005 CALL R4 2
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0x8C100102, // 0006 GETMET R4 R0 R258
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0x50180000, // 0007 LDBOOL R6 0 0
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0x7C100400, // 0008 CALL R4 2
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0x8C100103, // 0009 GETMET R4 R0 R259
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0x5C180200, // 000A MOVE R6 R1
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0x5C1C0600, // 000B MOVE R7 R3
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0x7C100600, // 000C CALL R4 3
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0x60100002, // 000D GETGBL R4 G2
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0x5C140600, // 000E MOVE R5 R3
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0x7C100200, // 000F CALL R4 1
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0x8C140104, // 0010 GETMET R5 R0 R260
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0x7C140200, // 0011 CALL R5 1
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0x78160003, // 0012 JMPF R5 #0017
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0x8C140105, // 0013 GETMET R5 R0 R261
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0x7C140200, // 0014 CALL R5 1
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0x40140805, // 0015 CONNECT R5 R4 R5
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0x7001FFF8, // 0016 JMP #0010
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0x80040800, // 0017 RET 1 R4
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})
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)
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);
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/*******************************************************************/
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/********************************************************************
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"def write_bytes(addr,reg,b) "
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"self._begin_transmission(addr) "
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"self._write(reg) "
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"self._write(b) "
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"self._end_transmission() "
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"end "
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********************************************************************/
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/********************************************************************
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** Solidified function: write_bytes
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********************************************************************/
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be_local_closure(write_bytes, /* name */
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be_nested_proto(
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7, /* nstack */
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4, /* argc */
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0, /* varg */
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0, /* has upvals */
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NULL, /* no upvals */
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0, /* has sup protos */
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NULL, /* no sub protos */
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1, /* has constants */
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( &(const bvalue[ 3]) { /* upvals */
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{ { .s=be_nested_const_str("_begin_transmission", -1515506120, 19) }, BE_STRING},
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{ { .s=be_nested_const_str("_write", -2079504471, 6) }, BE_STRING},
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{ { .s=be_nested_const_str("_end_transmission", -1057486896, 17) }, BE_STRING},
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}),
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(be_nested_const_str("write_bytes", 1227543792, 11)),
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(be_nested_const_str("string", 398550328, 6)),
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( &(const binstruction[12]) { /* code */
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0x8C100100, // 0000 GETMET R4 R0 R256
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0x5C180200, // 0001 MOVE R6 R1
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0x7C100400, // 0002 CALL R4 2
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0x8C100101, // 0003 GETMET R4 R0 R257
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0x5C180400, // 0004 MOVE R6 R2
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0x7C100400, // 0005 CALL R4 2
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0x8C100101, // 0006 GETMET R4 R0 R257
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0x5C180600, // 0007 MOVE R6 R3
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0x7C100400, // 0008 CALL R4 2
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0x8C100102, // 0009 GETMET R4 R0 R258
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0x7C100200, // 000A CALL R4 1
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0x80000000, // 000B RET 0 R0
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})
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)
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);
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/*******************************************************************/
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#if BE_USE_PRECOMPILED_OBJECT
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#include "../generate/be_fixed_be_class_tasmota_wire.h"
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#endif
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void be_load_wirelib(bvm *vm) {
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#if !BE_USE_PRECOMPILED_OBJECT
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static const bnfuncinfo members[] = {
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{ "bus", NULL }, // bus number
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{ "init", b_wire_init },
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{ "_begin_transmission", b_wire_begintransmission },
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{ "_end_transmission", b_wire_endtransmission },
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{ "_request_from", b_wire_requestfrom },
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{ "_available", b_wire_available },
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{ "_write", b_wire_write },
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{ "_read", b_wire_read },
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{ "scan", b_wire_scan },
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{ "write", b_wire_validwrite },
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{ "read", b_wire_validread },
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{ "detect", b_wire_detect },
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{ NULL, (bntvfunc) BE_CLOSURE }, /* mark section for berry closures */
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{ "read_bytes", (bntvfunc) &read_bytes_closure },
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{ "write_bytes", (bntvfunc) &write_bytes_closure },
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{ NULL, NULL }
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};
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be_regclass(vm, "Wire", members);
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#else
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be_pushntvclass(vm, &be_class_tasmota_wire);
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be_setglobal(vm, "Wire");
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be_pop(vm, 1);
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#endif
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}
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/* @const_object_info_begin
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class be_class_tasmota_wire (scope: global, name: Wire) {
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bus, var
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init, func(b_wire_init)
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_begin_transmission, func(b_wire_begintransmission)
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_end_transmission, func(b_wire_endtransmission)
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_request_from, func(b_wire_requestfrom)
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_available, func(b_wire_available)
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_write, func(b_wire_write)
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_read, func(b_wire_read)
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scan, func(b_wire_scan)
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write, func(b_wire_validwrite)
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read, func(b_wire_validread)
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detect, func(b_wire_detect)
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read_bytes, closure(read_bytes_closure)
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write_bytes, closure(write_bytes_closure)
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}
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@const_object_info_end */
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#endif // USE_I2C
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