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rtc_wdt: fix overflow issue with setting wdt interval

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Signed-off-by: Mahavir Jain <mahavir@espressif.com>
This commit is contained in:
Mahavir Jain
2018-08-24 17:58:22 +05:30
parent c7f4fae8d0
commit f0fa66a50e
1 changed files with 1 additions and 1 deletions
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2
components/soc/esp32/rtc_wdt.c
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@@ -73,7 +73,7 @@ esp_err_t rtc_wdt_set_time(rtc_wdt_stage_t stage, unsigned int timeout_ms)
if (stage > 3) {
return ESP_ERR_INVALID_ARG;
}
uint32_t timeout = rtc_clk_slow_freq_get_hz() * timeout_ms / 1000;
uint32_t timeout = (uint32_t) ((uint64_t) rtc_clk_slow_freq_get_hz() * timeout_ms / 1000);
if (stage == RTC_WDT_STAGE0) {
WRITE_PERI_REG(RTC_CNTL_WDTCONFIG1_REG, timeout);
} else if (stage == RTC_WDT_STAGE1) {