MXRT: Update the LPTimer driver

mmahadevan108 · mmahadevan108 · commit 2d32e4371316 · 2019-12-13T12:08:20.000-06:00
1. Run in doze mode
2. Add implementation for free function

Signed-off-by: Mahesh Mahadevan &lt;mahesh.mahadevan@nxp.com&gt;
diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_IMX/lp_ticker.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_IMX/lp_ticker.c
@@ -52,6 +52,7 @@ void lp_ticker_init(void)
         gptConfig.clockSource = kGPT_ClockSource_LowFreq;
         gptConfig.enableFreeRun = true;
         gptConfig.enableMode = false;
+        gptConfig.enableRunInDoze = true;
 
         GPT_Init(GPT2, &gptConfig);
         GPT_EnableInterrupts(GPT2, kGPT_OutputCompare1InterruptEnable);
@@ -114,7 +115,8 @@ void lp_ticker_clear_interrupt(void)
 
 void lp_ticker_free(void)
 {
-
+    GPT_DisableInterrupts(GPT2, kGPT_OutputCompare1InterruptEnable);
+    NVIC_DisableIRQ(GPT2_IRQn);
 }
 
 #endif /* DEVICE_LPTICKER */

Original file line number	Diff line number	Diff line change
`@@ -52,6 +52,7 @@ void lp_ticker_init(void)`
`52`	`52`	`gptConfig.clockSource = kGPT_ClockSource_LowFreq;`
`53`	`53`	`gptConfig.enableFreeRun = true;`
`54`	`54`	`gptConfig.enableMode = false;`
	`55`	`+ gptConfig.enableRunInDoze = true;`
`55`	`56`
`56`	`57`	`GPT_Init(GPT2, &gptConfig);`
`57`	`58`	`GPT_EnableInterrupts(GPT2, kGPT_OutputCompare1InterruptEnable);`
`@@ -114,7 +115,8 @@ void lp_ticker_clear_interrupt(void)`
`114`	`115`
`115`	`116`	`void lp_ticker_free(void)`
`116`	`117`	`{`
`117`		`-`
	`118`	`+ GPT_DisableInterrupts(GPT2, kGPT_OutputCompare1InterruptEnable);`
	`119`	`+ NVIC_DisableIRQ(GPT2_IRQn);`
`118`	`120`	`}`
`119`	`121`
`120`	`122`	`#endif /* DEVICE_LPTICKER */`