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László Monda
2017-12-27 17:21:28 +01:00
parent 43587c2e1f
commit 25a2b3af93
1 changed files with 17 additions and 17 deletions
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34
left/src/i2c_watchdog.c
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@@ -15,28 +15,28 @@
void RunWatchdog(void) void RunWatchdog(void)
{ {
static volatile uint32_t I2cWatchdog_WatchCounter = 0; /* counter for timer */ static volatile uint32_t I2cWatchdog_WatchCounter = 0; /* counter for timer */
static int cntr = 0; static int cntr = 0;
cntr++; cntr++;
if (cntr==100) { /* we get called from KEY_SCANNER_HANDLER() which runs at 1ms, thus scaling down by 100 here to get 100 ms period */ if (cntr==100) { /* we get called from KEY_SCANNER_HANDLER() which runs at 1ms, thus scaling down by 100 here to get 100 ms period */
cntr=0; cntr=0;
TEST_LED_TOGGLE(); TEST_LED_TOGGLE();
I2cWatchdog_WatchCounter++; I2cWatchdog_WatchCounter++;
if (I2cWatchdog_WatchCounter>10) { /* do not check within the first 1000 ms, as I2C might not be running yet */ if (I2cWatchdog_WatchCounter>10) { /* do not check within the first 1000 ms, as I2C might not be running yet */
if (I2C_Watchdog == prevWatchdogCounter) { // Restart I2C if there hasn't been any interrupt during 100 ms. I2C_Watchdog gets incremented for every I2C transaction if (I2C_Watchdog == prevWatchdogCounter) { // Restart I2C if there hasn't been any interrupt during 100 ms. I2C_Watchdog gets incremented for every I2C transaction
I2cWatchdog_RecoveryCounter++; I2cWatchdog_RecoveryCounter++;
#if I2C_WATCHDOG == I2C_WATCHDOG_VALUE_REBOOT #if I2C_WATCHDOG == I2C_WATCHDOG_VALUE_REBOOT
NVIC_SystemReset(); NVIC_SystemReset();
#endif #endif
#if I2C_WATCHDOG == I2C_WATCHDOG_VALUE_REINIT #if I2C_WATCHDOG == I2C_WATCHDOG_VALUE_REINIT
I2C_SlaveDeinit(I2C_BUS_BASEADDR); I2C_SlaveDeinit(I2C_BUS_BASEADDR);
InitI2c(); InitI2c();
#endif #endif
} }
} }
prevWatchdogCounter = I2C_Watchdog; /* remember previous counter */ prevWatchdogCounter = I2C_Watchdog; /* remember previous counter */
} }
} }
#endif #endif