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2026-06-12 02:55:04 -07:00
commit 30406f4f49
2040 changed files with 571534 additions and 0 deletions
--- a/ADCTimerTrigger/ADCTimertriggerTestmain.c
+++ b/ADCTimerTrigger/ADCTimertriggerTestmain.c
@@ -0,0 +1,87 @@
+/* ADCTimertriggerTestmain.c
+ * Jonathan Valvano
+ * May 23, 2025
+ * Derived from adc12_single_conversion_vref_internal_LP_MSPM0G3507_nortos_ticlang
+ *              adc12_single_conversion_LP_MSPM0G3507_nortos_ticlang
+ *              adc12_triggered_by_timer_event_LP_MSPM0G3507_nortos_ticlang
+ */
+
+// ****note to students****
+// the data sheet says the ADC does not work when clock is 80 MHz
+// however, the ADC seems to work on my boards at 80 MHz
+// I suggest you try 80MHz, but if it doesn't work, switch to 40MHz
+
+#include <ti/devices/msp/msp.h>
+#include "../inc/LaunchPad.h"
+#include "../inc/Clock.h"
+#include "../RTOS_Labs_common/ADCTimer.h"
+
+volatile uint32_t Data0,Data1,Flag0,Flag1,Timems0,TimeSec0,Timems1,TimeSec1;
+void ADC0_IRQHandler(void){ // 1000 Hz
+  ADC0->ULLMEM.CPU_INT.ICLR = 0x00000100;
+  Data0 = ADC0->ULLMEM.MEMRES[0];
+  Flag0 = 1;
+  Timems0++;
+  if((Timems0%1000)==0){
+    TimeSec0++;
+    GPIOB->DOUT31_0 ^= RED;
+  }
+  ADC0->ULLMEM.CTL0 |= 1; // restart
+}
+
+uint16_t volt0,volt1; // voltage in mV
+int main1(void){
+  __disable_irq();
+  Clock_Init80MHz(0);
+  Timems0 = TimeSec0 = 0;
+  Flag0 = 0;
+  LaunchPad_Init();
+
+  ADC0_TimerG0_Init(7,ADCVREF_VDDA,5000,8,1); 
+  __enable_irq();
+  while(1){    /* toggle on sample */
+    if(Flag0){
+     Flag0 = 0;
+     volt0 = (Data0*3300)>>12;
+     GPIOA->DOUT31_0 ^= RED1;
+    }
+  }
+}
+void ADC1_IRQHandler(void){ // 100 Hz
+  ADC1->ULLMEM.CPU_INT.ICLR = 0x00000100;
+  Data1 = ADC1->ULLMEM.MEMRES[0];
+  Flag1 = 1;
+  Timems1++;
+  if((Timems1%100)==0){
+    TimeSec1++;
+    GPIOB->DOUT31_0 ^= BLUE;
+  }
+  ADC1->ULLMEM.CTL0 |= 1; // restart
+}
+int main(void){
+  __disable_irq();
+  Clock_Init80MHz(0);
+  Timems0 = TimeSec0 = 0;
+  Flag0 = 0;
+  Timems1 = TimeSec1 = 0;
+  Flag1 = 0; 
+  LaunchPad_Init();
+  ADC0_TimerG0_Init(7,ADCVREF_VDDA,5000,8,1); 
+
+//ADC1 channel 5, PB18, slidepot
+  ADC1_TimerG8_Init(5,ADCVREF_VDDA,50000,8,0); 
+  __enable_irq();
+  while(1){    /* toggle on sample */
+    if(Flag0){
+     Flag0 = 0;
+     volt0 = (Data0*3300)>>12;
+     GPIOA->DOUT31_0 ^= RED1;
+    }
+    if(Flag1){
+     Flag1 = 0;
+     volt1 = (Data1*3300)>>12;
+     GPIOA->DOUT31_0 ^= RED1;
+    }
+  }
+}
+