1 files changed, 24 insertions, 8 deletions
diff --git a/os/hal/ports/TIVA/LLD/st_lld.h b/os/hal/ports/TIVA/LLD/st_lld.h
index 0db601a..aadc966 100644
--- a/os/hal/ports/TIVA/LLD/st_lld.h
+++ b/os/hal/ports/TIVA/LLD/st_lld.h
@@ -206,7 +206,8 @@ extern "C" {
 static inline systime_t st_lld_get_counter(void)
 {
 #if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING
-  return (systime_t) TIVA_ST_TIM->TAV/((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
+  return (systime_t) 0xffffffff - TTIVA_ST_TIM->TAV;
+  //return (systime_t) TIVA_ST_TIM->TAV/((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
   //return (systime_t) ((TIVA_ST_TIM->TAV >> 16) | (TIVA_ST_TIM->TAPV << 16))/((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
 #else
   return (systime_t) 0;
@@ -238,10 +239,18 @@ static inline void st_lld_start_alarm(systime_t time)
 //  TIVA_ST_TIM->ICR = 0xffffffff;
 //  TIVA_ST_TIM->IMR = GPTM_IMR_TAMIM;
 
-  uint64_t settime = time * ((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
+//  uint64_t settime = time * ((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
+//
+//  TIVA_ST_TIM->TAPMR = (uint16_t) ((settime >> 32) & 0xffff);
+//  TIVA_ST_TIM->TAMATCHR = (uint32_t) (settime);
+//
+//  TIVA_ST_TIM->ICR = TIVA_ST_TIM->MIS;
+//  TIVA_ST_TIM->IMR = GPTM_IMR_TAMIM;
+
+  //uint64_t settime = time * ((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
 
-  TIVA_ST_TIM->TAPMR = (uint16_t) ((settime >> 32) & 0xffff);
-  TIVA_ST_TIM->TAMATCHR = (uint32_t) (settime);
+  //TIVA_ST_TIM->TAPMR = (uint16_t) ((settime >> 32) & 0xffff);
+  TIVA_ST_TIM->TAMATCHR = (uint32_t) 0xffffffff - settime;
 
   TIVA_ST_TIM->ICR = TIVA_ST_TIM->MIS;
   TIVA_ST_TIM->IMR = GPTM_IMR_TAMIM;
@@ -282,10 +291,15 @@ static inline void st_lld_set_alarm(systime_t time)
 //
 //  TIVA_ST_TIM->TAPMR = (uint16_t) temp;
 
-  uint64_t settime = time * ((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
+//  uint64_t settime = time * ((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
+//
+//  TIVA_ST_TIM->TAPMR = (uint16_t) ((settime >> 32) & 0xffff);
+//  TIVA_ST_TIM->TAMATCHR = (uint32_t) (settime);
+
+  //uint64_t settime = time * ((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
 
-  TIVA_ST_TIM->TAPMR = (uint16_t) ((settime >> 32) & 0xffff);
-  TIVA_ST_TIM->TAMATCHR = (uint32_t) (settime);
+  //TIVA_ST_TIM->TAPMR = (uint16_t) ((settime >> 32) & 0xffff);
+  TIVA_ST_TIM->TAMATCHR = (uint32_t) (0xffffffff - settime);
 #else
   (void)time;
 #endif
@@ -312,7 +326,9 @@ static inline systime_t st_lld_get_alarm(void)
 //  return (systime_t) temp;
 
   //return (systime_t) (TIVA_ST_TIM->TAPR << 16 | TIVA_ST_TIM->TAR >> 16);
-  return (systime_t) ((TIVA_ST_TIM->TAV >> 16) | (TIVA_ST_TIM->TAPV << 16))/((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
+  //return (systime_t) ((TIVA_ST_TIM->TAV >> 16) | (TIVA_ST_TIM->TAPV << 16))/((ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1);
+
+  return (systime_t) TIVA_ST_TIM->TAR;
 #else
   return (systime_t) 0;
 #endif