[fix][wdg] add wdg access key for wdg resetcounter

bouffalolab · Nov 4, 2023 · b263c11 · b263c11
1 parent 587ac54
commit b263c11
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Showing 2 changed files with 2 additions and 9 deletions.
diff --git a/drivers/lhal/src/bflb_wdg.c b/drivers/lhal/src/bflb_wdg.c
@@ -33,6 +33,8 @@ void bflb_wdg_init(struct bflb_device_s *dev, const struct bflb_wdg_config_s *co
     regval |= (config->clock_div << TIMER_WCDR_SHIFT);
     putreg32(regval, reg_base + TIMER_TCDR_OFFSET);
 
+    putreg16(0xBABA, reg_base + TIMER_WFAR_OFFSET);
+    putreg16(0xEB10, reg_base + TIMER_WSAR_OFFSET);
     regval = getreg32(reg_base + TIMER_WCR_OFFSET);
     regval |= TIMER_WCR;
     putreg32(regval, reg_base + TIMER_WCR_OFFSET);

diff --git a/examples/peripherals/wdg/wdg_reset/main.c b/examples/peripherals/wdg/wdg_reset/main.c
@@ -27,18 +27,9 @@ int main(void)
     bflb_wdg_reset_countervalue(wdg);
     printf("Delay 1s, triggle set 2s, wdg should not reset, pass.\r\n");
 
-    bflb_wdg_set_countervalue(wdg, 4000);
-    bflb_mtimer_delay_ms(2000);
-    printf("Delay 2s, triggle set 4s, wdg should not reset, pass.\r\n");
-
     printf("Exception test addr: 0x%08x\r\n", TEST_ADDR);
     getreg32(TEST_ADDR);
 
-    /* delay 2s will trigger wdg interrupt */
-    bflb_mtimer_delay_ms(2000);
-    bflb_wdg_reset_countervalue(wdg);
-    bflb_wdg_stop(wdg);
-
     printf("Error! Can't run to here, delay 2s, wdg should reset, current count = %d\r\n",
            bflb_wdg_get_countervalue(wdg));