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btstack_stdin_embedded: use timer to poll RTT input, fix for tickless RTOS

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This commit is contained in:
Matthias Ringwald 2023-01-02 12:24:00 +01:00
parent 9d6c95166f
commit 3bf0030083
2 changed files with 32 additions and 18 deletions
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4
CHANGELOG.md
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@ -9,9 +9,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
## Unreleased
## Added
## Fixed
- btstack_stdin_embedded: use timer to poll RTT input, fix for tickless RTOS
## Changed
## Release v1.5.5
### Added

46
platform/embedded/btstack_stdin_embedded.c
View File

@ -57,9 +57,25 @@
#endif
static void (*stdin_handler)(char c);
static btstack_data_source_t stdin_data_source;
#ifndef ENABLE_SEGGER_RTT
#ifdef ENABLE_SEGGER_RTT
#define RTT_POLL_INTERVAL_MS 50
static btstack_timer_source_t stdin_timer_source;
static void btstack_stdin_timer_handler(btstack_timer_source_t *ts){
if (SEGGER_RTT_HasKey()){
int stdin_character = SEGGER_RTT_GetKey();
(*stdin_handler)((uint8_t)stdin_character);
}
btstack_run_loop_set_timer(ts, RTT_POLL_INTERVAL_MS);
btstack_run_loop_add_timer(ts);
}
#else
static btstack_data_source_t stdin_data_source;
// callback from hal_stdin is from irq context
@ -82,29 +98,23 @@ static void btstack_stdin_process(struct btstack_data_source *ds, btstack_data_s
stdin_character_received = 0;
}
#else
static void btstack_stdin_process(struct btstack_data_source *ds, btstack_data_source_callback_type_t callback_type){
UNUSED(ds);
UNUSED(callback_type);
if (SEGGER_RTT_HasKey()){
int stdin_character = SEGGER_RTT_GetKey();
(*stdin_handler)((uint8_t)stdin_character);
}
}
#endif
void btstack_stdin_setup(void (*handler)(char c)){
// set handler
stdin_handler = handler;
// set up polling data_source
btstack_run_loop_set_data_source_handler(&stdin_data_source, &btstack_stdin_process);
btstack_run_loop_enable_data_source_callbacks(&stdin_data_source, DATA_SOURCE_CALLBACK_POLL);
btstack_run_loop_add_data_source(&stdin_data_source);
#ifdef ENABLE_SEGGER_RTT
// start polling with timer
btstack_run_loop_set_timer_handler(&stdin_timer_source, &btstack_stdin_timer_handler);
btstack_run_loop_set_timer(&stdin_timer_source, RTT_POLL_INTERVAL_MS);
btstack_run_loop_add_timer(&stdin_timer_source);
#else
// set up polling data_source
btstack_run_loop_set_data_source_handler(&stdin_data_source, &btstack_stdin_process);
btstack_run_loop_enable_data_source_callbacks(&stdin_data_source, DATA_SOURCE_CALLBACK_POLL);
btstack_run_loop_add_data_source(&stdin_data_source);
#ifndef ENABLE_SEGGER_RTT
// start receiving via hal_stdin.h
hal_stdin_setup(&btstack_stdin_handler);
#endif