FreeCalypso > hg > fc-tourmaline
view src/cs/services/fcbm/fcbm_func_i.h @ 268:f2e52cab0a73
abb_inth.c: check all interrupt causes, not just one
The original code used if - else if - else if etc constructs, thus
the first detected interrupt was the only one handled. However,
Iota ITSTATREG is a clear-on-read register, thus if we only handle
the first detected interrupt and skip checking the others, then the
other interrupts will be lost, if more than one interrupt happened
to occur in one ABB interrupt handling cycle - a form of rare race
condition. Change the code to check all interrupts that were read
in this cycle.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 13 Jun 2021 18:17:53 +0000 |
| parents | a5b00817a60f |
| children |
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/* * Declarations of internal functions live here. */ #ifndef __FCBM_FUNC_I #define __FCBM_FUNC_I #include "rv/rv_general.h" #include "kpd/kpd_api.h" T_RV_RET fcbm_subscribe_kpd(void); T_RV_RET fcbm_unsubscribe_kpd(void); void fcbm_setup_long_pwon(void); void fcbm_process_message(T_RV_HDR *msg_ptr); void fcbm_process_msg_chg_mode(void); void fcbm_process_msg_reset_mode(void); void fcbm_process_msg_phone_on(void); void fcbm_chg_periodic_timer(void); void fcbm_display_off_timer(void); void fcbm_process_kpd_msg(T_KPD_KEY_EVENT_MSG *msg); void fcbm_display_init(void); void fcbm_display_line(UINT16 row, char *text); #endif /* include guard */
