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TLE8888 watchdog #917 

maybe better start-up sequence
This commit is contained in:
rusEfi 2020-02-10 17:08:37 -05:00
parent fdb9e97fd3
commit 948cc7743e
1 changed files with 27 additions and 22 deletions
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49
firmware/hw_layer/drivers/gpio/tle8888.c
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@ -121,13 +121,14 @@ static efitick_t lastWindowWatchdogTimeNt = 0;
static efitick_t lastFunctionWatchdogTimeNt = 0; static efitick_t lastFunctionWatchdogTimeNt = 0;
static uint16_t maybeFirstResponse = 0;
static uint16_t functionWDrx = 0; static uint16_t functionWDrx = 0;
//static_assert(TLE8888_POLL_INTERVAL_MS < Window_watchdog_open_window_time_ms) //static_assert(TLE8888_POLL_INTERVAL_MS < Window_watchdog_open_window_time_ms)
static bool needInitialSpi = true; static bool needInitialSpi = true;
int resetCounter = 0; int resetCounter = 0;
float vBattForTle8888 = 14; float vBattForTle8888 = 0;
// set debug_mode 31 // set debug_mode 31
static int tle8888SpiCounter = 0; static int tle8888SpiCounter = 0;
@ -363,6 +364,25 @@ static int tle8888_wake_driver(struct tle8888_priv *chip)
/* Driver thread. */ /* Driver thread. */
/*==========================================================================*/ /*==========================================================================*/
void watchdogLogic(struct tle8888_priv *chip) {
efitick_t nowNt = getTimeNowNt();
if (nowNt - lastWindowWatchdogTimeNt > MS2NT(Window_watchdog_close_window_time_ms)) {
tle8888_spi_rw(chip, CMD_WWDServiceCmd, &maybeFirstResponse);
lastWindowWatchdogTimeNt = nowNt;
}
if (nowNt - lastFunctionWatchdogTimeNt > MS2NT(Functional_Watchdog_PERIOD_MS)) {
// todo: extract helper method?
/* the address and content of the selected register is transmitted with the
* next SPI transmission (for not existing addresses or wrong access mode
* the data is always '0' */
tle8888_spi_rw(chip, CMD_FWDStat1, &maybeFirstResponse);
tle8888_spi_rw(chip, CMD_FWDStat1, &functionWDrx);
lastFunctionWatchdogTimeNt = nowNt;
}
}
int tle8888SpiStartupExchange(struct tle8888_priv *chip); int tle8888SpiStartupExchange(struct tle8888_priv *chip);
@ -380,6 +400,7 @@ static THD_FUNCTION(tle8888_driver_thread, p) {
if (vBattForTle8888 < 7) { if (vBattForTle8888 < 7) {
// we assume TLE8888 is down and we should not bother with SPI communication // we assume TLE8888 is down and we should not bother with SPI communication
needInitialSpi = true; needInitialSpi = true;
continue; // we should not bother communicating with TLE8888 until we have +12
} }
if (needInitialSpi) { if (needInitialSpi) {
@ -391,27 +412,8 @@ static THD_FUNCTION(tle8888_driver_thread, p) {
} }
} }
efitick_t nowNt = getTimeNowNt(); // todo: super-lazy implementation with only first chip!
if (nowNt - lastWindowWatchdogTimeNt > MS2NT(Window_watchdog_close_window_time_ms)) { watchdogLogic(&chips[0]);
// todo: super-lazy implementation!
struct tle8888_priv *chip = &chips[0];
tle8888_spi_rw(chip, CMD_WWDServiceCmd, NULL);
lastWindowWatchdogTimeNt = nowNt;
}
if (nowNt - lastFunctionWatchdogTimeNt > MS2NT(Functional_Watchdog_PERIOD_MS)) {
// todo: super-lazy implementation!
struct tle8888_priv *chip = &chips[0];
// todo: extract helper method?
/* the address and content of the selected register is transmitted with the
* next SPI transmission (for not existing addresses or wrong access mode
* the data is always '0' */
tle8888_spi_rw(chip, CMD_FWDStat1, NULL);
tle8888_spi_rw(chip, CMD_FWDStat1, &functionWDrx);
lastFunctionWatchdogTimeNt = nowNt;
}
for (int i = 0; i < BOARD_TLE8888_COUNT; i++) { for (int i = 0; i < BOARD_TLE8888_COUNT; i++) {
struct tle8888_priv *chip = &chips[i]; struct tle8888_priv *chip = &chips[i];
@ -488,6 +490,9 @@ int tle8888SpiStartupExchange(struct tle8888_priv *chip) {
* again * again
*/ */
chThdSleepMilliseconds(50); chThdSleepMilliseconds(50);
watchdogLogic(chip);
/* Software reset */ /* Software reset */
// first packet: 0x335=821 > 0xFD=253 // first packet: 0x335=821 > 0xFD=253
uint16_t response = 0; uint16_t response = 0;