TencentOS tiny port to MSP430FR6972

arch/msp430/MSP430X/icc430/port_c.c

@@ -0,0 +1,116 @@
+#include "tos.h"
+
+__PORT__ void port_cpu_reset(void)
+{
+    WDTCTL = WDTPW | 0xff00; // write a wrong Watchdog timer password will cause a PUC(reset) 
+}
+
+__PORT__ void port_systick_config(uint32_t cycle_per_tick)
+{
+}
+
+__PORT__ void port_systick_priority_set(uint32_t prio)
+{
+}
+
+/* MSP430 */
+__PORT__ void port_setup_systick(void)
+{
+    const unsigned short aclk_frequency_hz = 32768;
+
+    /* Ensure the timer is stopped. */
+    TA0CTL = 0;
+
+    /* Run the timer from the ACLK. */
+    TA0CTL = TASSEL_1;
+
+    /* Clear everything to start with. */
+    TA0CTL |= TACLR;
+
+    /* Set the compare match value according to the tick rate we want. */
+    TA0CCR0 = aclk_frequency_hz / TOS_CFG_CPU_TICK_PER_SECOND;
+
+    /* Enable the interrupts. */
+    TA0CCTL0 = CCIE;
+
+    /* Start up clean. */
+    TA0CTL |= TACLR;
+
+    /* Up mode. */
+    TA0CTL |= MC_1;
+}
+
+/* The MSP430X port uses a callback function to configure its tick interrupt.
+ */
+#pragma vector=TIMER0_A0_VECTOR 
+__PORT__ __interrupt __raw void timer0_isr( void )
+{
+    extern void port_systick_isr( void );
+
+    __bic_SR_register_on_exit( SCG1 + SCG0 + OSCOFF + CPUOFF );
+    port_systick_isr();
+}
+
+
+#if TOS_CFG_TICKLESS_EN > 0u
+
+__PORT__ k_time_t port_systick_max_delay_millisecond(void)
+{
+
+}
+
+__PORT__ void port_systick_resume(void)
+{
+
+}
+
+__PORT__ void port_systick_suspend(void)
+{
+
+}
+
+__PORT__ void port_systick_reload(uint32_t cycle_per_tick)
+{
+
+}
+
+__PORT__ void port_systick_pending_reset(void)
+{
+
+}
+
+#endif
+
+#if TOS_CFG_PWR_MGR_EN > 0u
+
+__PORT__ void port_sleep_mode_enter(void)
+{
+
+}
+
+__PORT__ void port_stop_mode_enter(void)
+{
+
+}
+
+__PORT__ void port_standby_mode_enter(void)
+{
+
+}
+
+#endif
+
+#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
+__PORT__ void port_fault_diagnosis(void)
+{
+    k_fault_log_writer("fault diagnosis does not supported in MSP430\n");
+}
+
+
+/*------------------ 430 IAR Compiler-------------------*/
+#if defined (__ICC430__) // __IAR_SYSTEMS_ICC__
+
+#endif 
+
+#endif /* TOS_CFG_FAULT_BACKTRACE_EN */
+