diff options
| author | Daniel Friesel <derf@finalrewind.org> | 2018-07-12 15:21:49 +0200 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2018-07-12 15:21:49 +0200 |
| commit | 7f6b7ecfb0fb60a08dcc6c174d313eee052a94dc (patch) | |
| tree | 2c69d2960de501b148cff3ee6bce7184ae88ec51 /src | |
| parent | 2419fe236b1b9da1f134586fd1999264b360fc36 (diff) | |
MSP430: Call loop() from main function to avoid nested interrupts
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/msp430fr5969lp/arch.cc | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/arch/msp430fr5969lp/arch.cc b/src/arch/msp430fr5969lp/arch.cc index 8281e66..aee46f3 100644 --- a/src/arch/msp430fr5969lp/arch.cc +++ b/src/arch/msp430fr5969lp/arch.cc @@ -67,11 +67,24 @@ void Arch::setup(void) extern void wakeup(); #endif +#if defined(WITH_LOOP) +extern void loop(); +volatile char run_loop = 0; +#endif + void Arch::idle_loop(void) { while (1) { __eint(); - __bis_SR_register(LPM0_bits); + asm volatile("nop"); + __bis_SR_register(LPM2_bits); + asm volatile("nop"); +#if defined(WITH_LOOP) + if (run_loop) { + loop(); + run_loop = 0; + } +#endif #ifdef WITH_WAKEUP wakeup(); #endif @@ -83,13 +96,12 @@ Arch arch; #if defined(WITH_LOOP) || defined(TIMER_S) #include "driver/uptime.h" -extern void loop(); __attribute__((interrupt(TIMER1_A1_VECTOR))) __attribute__((wakeup)) void handle_timer0_overflow() { if (TA1IV == 0x0e) { #ifdef WITH_LOOP - loop(); + run_loop = 1; #endif #ifdef TIMER_S uptime.tick_s(); |