add systick ； issue -- i2c transfer unstable

ti_msp_dl_config.c

@@ -56,6 +56,7 @@ SYSCONFIG_WEAK void SYSCFG_DL_init(void)
     SYSCFG_DL_I2C_1_init();
     SYSCFG_DL_UART_0_init();
     SYSCFG_DL_DMA_init();
+    SYSCFG_DL_SYSTICK_init();
     /* Ensure backup structures have no valid state */
 	gPWM_0Backup.backupRdy 	= false;
 
@@ -93,12 +94,14 @@ SYSCONFIG_WEAK void SYSCFG_DL_initPower(void)
     DL_UART_Main_reset(UART_0_INST);
 
 
+
     DL_GPIO_enablePower(GPIOA);
     DL_GPIO_enablePower(GPIOB);
     DL_TimerA_enablePower(PWM_0_INST);
     DL_I2C_enablePower(I2C_1_INST);
     DL_UART_Main_enablePower(UART_0_INST);
 
+
     delay_cycles(POWER_STARTUP_DELAY);
 }
 
@@ -296,3 +299,11 @@ SYSCONFIG_WEAK void SYSCFG_DL_DMA_init(void){
 }
 
 
+SYSCONFIG_WEAK void SYSCFG_DL_SYSTICK_init(void)
+{
+    /* Initialize the period to 500.00 ms */
+    DL_SYSTICK_init(16000000);
+    /* Enable the SysTick and start counting */
+    DL_SYSTICK_enable();
+}
+