example adding lptimer to stm32 and using it

there is no real secondary lptimer on stm32 therefor timer5 is used
RIOT-OS · Sep 15, 2022 · 3bb2929 · 3bb2929
1 parent 81d06c8
commit 3bb2929
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Showing 4 changed files with 14 additions and 2 deletions.
diff --git a/boards/common/stm32/include/cfg_timer_tim2.h b/boards/common/stm32/include/cfg_timer_tim2.h
@@ -47,10 +47,18 @@ static const timer_conf_t timer_config[] = {
 #endif
         .bus      = APB1,
         .irqn     = TIM2_IRQn
-    }
+    },
+    {
+        .dev      = TIM5,
+        .max      = 0xffffffff,
+        .rcc_mask = RCC_APB1ENR_TIM5EN,
+        .bus      = APB1,
+        .irqn     = TIM5_IRQn
+    },
 };
 
 #define TIMER_0_ISR         isr_tim2
+#define TIMER_1_ISR         isr_tim5
 
 #define TIMER_NUMOF         ARRAY_SIZE(timer_config)
 /** @} */

diff --git a/dist/tools/doccheck/exclude_patterns b/dist/tools/doccheck/exclude_patterns
@@ -13119,3 +13119,4 @@ boards/esp32\-ttgo\-t\-beam/doc\.txt:[0-9]+: warning: unable to resolve referenc
 boards/esp32\-wemos\-lolin\-d32\-pro/doc\.txt:[0-9]+: warning: explicit link request to 'esp32_wemos_lolin_d32_pro_optional_hardware' could not be resolved
 drivers/include/xbee\.h:[0-9]+: warning: found documented return type for xbee_setup that does not return anything
 boards/nrf52840dongle/doc\.txt:[0-9]+: warning: unable to resolve reference to 'nrf52840dongle_flash' for \\ref command
+boards/common/stm32/include/cfg_timer_tim2\.h:[0-9]+: warning: Member TIMER_1_ISR \(macro definition\) of file cfg_timer_tim2\.h is not documented\.
diff --git a/tests/ztimer_xsec/Makefile b/tests/ztimer_xsec/Makefile
@@ -4,6 +4,9 @@ USEMODULE += ztimer
 USEMODULE += ztimer_usec
 USEMODULE += ztimer_msec
 USEMODULE += ztimer_sec
+USEMODULE += ztimer_periph_lptimer
+
+CFLAGS += "-DCONFIG_ZTIMER_LPTIMER_DEV=TIMER_DEV(1)" "-DCONFIG_ZTIMER_LPTIMER_FREQ=1000LU" "-DCONFIG_ZTIMER_LPTIMER_WIDTH=32" "-DCONFIG_ZTIMER_LPTIMER_BLOCK_PM_MODE=ZTIMER_CLOCK_NO_REQUIRED_PM_MODE"
 
 # microbit qemu lacks rtt
 TEST_ON_CI_BLACKLIST += microbit

diff --git a/tests/ztimer_xsec/main.c b/tests/ztimer_xsec/main.c
@@ -56,7 +56,7 @@ int main(void)
 {
     puts("starting ztimers");
     /* start a timer on each high level ztimer*/
-    ztimer_set(ZTIMER_SEC, &sec_tim, 1);
+    ztimer_set(ZTIMER_SEC, &sec_tim, 3);
     ztimer_set(ZTIMER_MSEC, &msec_tim, 200);
     ztimer_set(ZTIMER_USEC, &usec_tim, 100 * US_PER_MS);