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[FL-3179] 1-Wire Overdrive Mode (#2522)

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* Separate ibutton to its own module, add one_wire to f18
* Move onewire cli to a separate app
* Add definitions for normal and overdrive timings
* Update api definitions
* Add rough overdrive timings definition for onewire emulation
* Remove one_wire_host_timing.h
* Add rough overdrive timings for onewire host
* Improve overdrive mode
* Working overdrive mode from flipper to flipper
* Update thermometer example app
* Turn on otg power when running thermometer example app
* Implement reset overdrive switching
* Always exit out of overdrive mode
* Improve overdrive timings
* Fix typos
* Fix reset behaviour
* Use overdrive mode everywhere in DS1996
* Improve comments
* Bump API version

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Georgii Surkov
2023-03-22 17:54:06 +03:00
committed by GitHub
parent 1f236ede0e
commit 8b224ecb15
16 changed files with 397 additions and 227 deletions
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18
lib/ibutton/protocols/dallas/protocol_ds1971.c
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@@ -53,7 +53,7 @@ const iButtonProtocolDallasBase ibutton_protocol_ds1971 = {
.name = DS1971_FAMILY_NAME,
.read = dallas_ds1971_read,
.write_blank = NULL, /* No data to write a blank */
.write_blank = NULL, // TODO: Implement writing to blank
.write_copy = dallas_ds1971_write_copy,
.emulate = dallas_ds1971_emulate,
.save = dallas_ds1971_save,
@@ -76,7 +76,7 @@ bool dallas_ds1971_write_copy(OneWireHost* host, iButtonProtocolData* protocol_d
DS1971ProtocolData* data = protocol_data;
onewire_host_reset(host);
onewire_host_skip(host);
onewire_host_write(host, DALLAS_COMMON_CMD_SKIP_ROM);
// Starting writing from address 0x0000
onewire_host_write(host, DALLAS_COMMON_CMD_WRITE_SCRATCH);
onewire_host_write(host, 0x00);
@@ -87,7 +87,7 @@ bool dallas_ds1971_write_copy(OneWireHost* host, iButtonProtocolData* protocol_d
bool pad_valid = false;
if(onewire_host_reset(host)) {
pad_valid = true;
onewire_host_skip(host);
onewire_host_write(host, DALLAS_COMMON_CMD_SKIP_ROM);
onewire_host_write(host, DALLAS_COMMON_CMD_READ_SCRATCH);
onewire_host_write(host, 0x00);
@@ -103,7 +103,7 @@ bool dallas_ds1971_write_copy(OneWireHost* host, iButtonProtocolData* protocol_d
// Copy scratchpad to memory and confirm
if(pad_valid) {
if(onewire_host_reset(host)) {
onewire_host_skip(host);
onewire_host_write(host, DALLAS_COMMON_CMD_SKIP_ROM);
onewire_host_write(host, DALLAS_COMMON_CMD_COPY_SCRATCH);
onewire_host_write(host, DS1971_CMD_FINALIZATION);
@@ -114,10 +114,16 @@ bool dallas_ds1971_write_copy(OneWireHost* host, iButtonProtocolData* protocol_d
return pad_valid;
}
static void dallas_ds1971_reset_callback(void* context) {
static bool dallas_ds1971_reset_callback(bool is_short, void* context) {
furi_assert(context);
DS1971ProtocolData* data = context;
data->state.command_state = DallasCommonCommandStateIdle;
if(!is_short) {
data->state.command_state = DallasCommonCommandStateIdle;
onewire_slave_set_overdrive(data->state.bus, is_short);
}
return !is_short;
}
static bool dallas_ds1971_command_callback(uint8_t command, void* context) {