initial check in based on SVN revision 575

source/timer.c

@@ -0,0 +1,243 @@
+/*
+ * timer.c
+ *
+ *  Created on: Jun 29, 2022
+ *      Author: Keith.Lloyd
+ */
+
+/*******************************************************************************
+ * Includes
+ ******************************************************************************/
+
+
+#include "pin_mux.h"
+#include "board.h"
+#include "fsl_ctimer.h"
+#include "timer.h"
+#include "keys.h"
+#include <stdbool.h>
+#include "main.h"
+#include "ports.h"
+#include "adc.h"
+#include "utils.h"
+#include "usbComms.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+#define CTIMER          CTIMER0         /* Timer 0 */
+#define CTIMER_MAT0_OUT kCTIMER_Match_0 /* Match output 3 */
+
+#define CTIMER_CLK_FREQ CLOCK_GetFreq(kCLOCK_BusClk)
+
+
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+void ctimer_match0_callback(uint32_t flags);
+
+
+/* Array of function pointers for callback for each channel */
+ctimer_callback_t ctimer_callback_table[] = {ctimer_match0_callback};
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+
+TIMER_t tmr;
+
+uint8_t * autoShutdownStrings[] =      {"1 HOUR", "2 HOURS", "NEVER"};           //MUST match AUTO_SHUTDOWN_t
+
+/* Match Configuration for Channel 0 */
+static ctimer_match_config_t matchConfig0;
+ctimer_config_t config;
+
+//static volatile uint32_t Sys_Timer,Tx_timer;
+uint32_t Sys_Timer,Tx_timer;
+
+extern uint8_t Task, Tx_Time_Out_Flag, frq_chg_tmr;
+extern uint16_t Port_timer, Taps_adjust_timer,Sys_Chk_tmr,Display_warning_tmr;
+uint16_t Low_Bat_timer,Estop_timer,Shut_down_tmr,Vchktmr, Over_Voltage_tmr,PSU_Check_tmr;
+uint16_t Key_Lock_Out_tmr,ByPass_tmr;
+uint32_t TX_TIME[4] = {TIME_1HR,TIME_2HR,TIME_0HR,TIME_0HR};
+
+extern ADC_t adc;
+uint32_t systemTime = 0;	// 10mS ticks
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+
+
+
+void ctimer_match0_callback(uint32_t flags)	// ISR every 10mS
+{
+	static bool Test_Flg = false;
+	if(Test_Flg)
+		GPIO_PinWrite(GPIO, 0, 4, 1); //TODO remove
+	else
+		GPIO_PinWrite(GPIO, 0, 4, 0); //TODO remove
+
+	Test_Flg ^=1;
+
+	// Sys_Timer = 1000000;
+// it goes here
+
+	Check_Live_Voltage();
+
+	systemTime += 10;	// increment system time by 10mS
+
+	if (Sys_Timer > 0)
+		Sys_Timer--;
+
+	if (frq_chg_tmr > 0)
+		frq_chg_tmr--;
+
+	if (Low_Bat_timer > 0)
+		Low_Bat_timer--;
+
+	if(Shut_down_tmr > 0)
+		Shut_down_tmr--;
+	if(Vchktmr > 0)
+		Vchktmr--;
+
+	if(Over_Voltage_tmr > 0)
+		Over_Voltage_tmr--;
+
+	if(PSU_Check_tmr > 0)
+		PSU_Check_tmr--;
+
+	if(Key_Lock_Out_tmr > 0)
+		Key_Lock_Out_tmr--;
+
+	 KEY_Update();
+
+	 Tx_TimeOut();			// Check main transmitter timer
+
+	 if( Port_timer > 0)
+		 Port_timer--;		// Port checking timer
+	 if( Taps_adjust_timer > 0)
+		 Taps_adjust_timer--;		// Port checking timer
+	 if(Estop_timer > 0)
+		 Estop_timer--;
+	 if(Sys_Chk_tmr > 0)
+		 Sys_Chk_tmr--;
+
+	 if(ByPass_tmr > 0)
+		 ByPass_tmr--;
+
+	 if(Display_warning_tmr > 0)
+		 Display_warning_tmr--;
+
+
+     if(adc.measure)
+     {
+           ADC_Update();
+     }
+//     GPIO_PinWrite(GPIO, 0, 4, 0); // TODO Whats' this for ?? Probably left over debug of timer
+}
+
+/*!
+ * @brief Main function
+ */
+void timer_init(void)
+{
+uint8_t i;
+
+    /* Enable the asynchronous bridge */
+    SYSCON->ASYNCAPBCTRL = 1;
+
+    /* Use 12 MHz clock for some of the Ctimers */
+    CLOCK_AttachClk(kFRO12M_to_ASYNC_APB);
+
+
+    CTIMER_GetDefaultConfig(&config);
+
+    CTIMER_Init(CTIMER, &config);
+
+    /* Configuration 0 */
+    matchConfig0.enableCounterReset = true;
+    matchConfig0.enableCounterStop  = false;
+    matchConfig0.matchValue         = 1500000;//150MHz clock 10mS period
+    matchConfig0.enableInterrupt    = true;
+
+    CTIMER_RegisterCallBack(CTIMER, &ctimer_callback_table[0], kCTIMER_MultipleCallback);
+    CTIMER_SetupMatch(CTIMER, CTIMER_MAT0_OUT, &matchConfig0);
+
+    CTIMER_StartTimer(CTIMER);
+    tmr.timerInitialized = true;
+
+    i = tmr.autoShutdown;
+    Tx_timer = TX_TIME[i]; // reload the timer
+}
+
+
+void Delay_Ticks(uint32_t Delay_Interval)
+{
+	Sys_Timer = Delay_Interval;		// load timer with multiples of 10mS
+
+	while (Sys_Timer > 0);
+
+}
+
+
+
+void Tx_TimeOut(void)
+{
+	if (tmr.autoShutdown != SD_NEVER)
+	{
+		if (Tx_timer > 0)
+		{
+			Tx_timer--;
+			if (Tx_timer == 0)
+				Task = PWR_OFF_TASK;	// schedule a PWR Down
+		}
+	}
+}
+
+
+
+//Cycle through auto shutdown options
+void tmr_ChangeAutoSDTimer(void)
+{
+	unsigned int i;
+
+	i = tmr.autoShutdown;
+
+       if(++tmr.autoShutdown >= SD_NUM)
+       {
+             tmr.autoShutdown = (AUTO_SHUTDOWN_t)0;
+       }
+
+       Tx_timer = TX_TIME[i]; // reload the timer
+}
+
+
+
+uint8_t * tmr_GetAutoSDTimerString(void)
+{
+       return autoShutdownStrings[tmr.autoShutdown];
+}
+
+/*	Start CTIMER0
+ * 	Does nothing if timer not initialized
+ */
+void TMR_Start(void)
+{
+	if(tmr.timerInitialized)
+	{
+		CTIMER_StartTimer(CTIMER);
+	}
+}
+
+/*	Stop CTIMER0
+ * 	Does nothing if timer not initialized
+ */
+void TMR_Stop(void)
+{
+	if(tmr.timerInitialized)
+	{
+		CTIMER_StopTimer(CTIMER);
+	}
+}