first commit

2016-04-30 20:56:50 +05:00
commit 4d014816a7
141 changed files with 77255 additions and 0 deletions
--- a/S100App/Src/USB_pwr.c
+++ b/S100App/Src/USB_pwr.c
@@ -0,0 +1,152 @@
+/******************** (C) COPYRIGHT 2015 e-Design Co., Ltd. ********************
+ File Name : USB_pwr.c
+ Version   : STM32 USB Disk Ver 3.4       Author : MCD Application Team & bure
+*******************************************************************************/
+#include "USB_lib.h"
+#include "USB_conf.h"
+#include "USB_pwr.h"
+
+vu32 bDeviceState = UNCONNECTED; // USB device status
+vu8 fSuspendEnabled = TRUE;      // true when suspend is possible
+
+struct{
+  volatile RESUME_STATE eState;
+  volatile u8 bESOFcnt;
+} ResumeS;
+
+/*******************************************************************************
+  PowerOn                                                 Return : USB_SUCCESS
+
+*******************************************************************************/
+RESULT PowerOn(void)
+{
+  u16 wRegVal;
+
+  /*** CNTR_PWDN = 0 ***/
+  wRegVal = CNTR_FRES;
+  _SetCNTR(wRegVal);
+  /*** CNTR_FRES = 0 ***/
+  wInterrupt_Mask = 0;
+  _SetCNTR(wInterrupt_Mask);
+  /*** Clear pending interrupts ***/
+  _SetISTR(0);
+  /*** Set interrupt mask ***/
+  wInterrupt_Mask = CNTR_RESETM | CNTR_SUSPM | CNTR_WKUPM;
+  _SetCNTR(wInterrupt_Mask);
+
+  return USB_SUCCESS;
+}
+/*******************************************************************************
+  PowerOff: handles switch-off conditions                 Return : USB_SUCCESS
+*******************************************************************************/
+RESULT PowerOff()
+{
+  /* disable all ints and force USB reset */
+  _SetCNTR(CNTR_FRES);
+  /* clear interrupt status register */
+  _SetISTR(0);
+  /* Disable the Pull-Up*/
+//  USB_Cable_Config(DISABLE);
+  /* switch-off device */
+  _SetCNTR(CNTR_FRES + CNTR_PDWN);
+  /* sw variables reset */
+  /* ... */
+
+  return USB_SUCCESS;
+}
+/*******************************************************************************
+  Suspend: sets suspend mode operating conditions
+  Return : USB_SUCCESS.
+*******************************************************************************/
+void Suspend(void)
+{
+  u16 wCNTR;
+  /* suspend preparation */
+  /* macrocell enters suspend mode */
+  wCNTR = _GetCNTR();
+  wCNTR |= CNTR_FSUSP;
+  _SetCNTR(wCNTR);
+  /* ------------------ ONLY WITH BUS-POWERED DEVICES ---------------------- */
+  /* power reduction */
+  /* ... on connected devices */
+  /* force low-power mode in the macrocell */
+  wCNTR = _GetCNTR();
+  wCNTR |= CNTR_LPMODE;
+  _SetCNTR(wCNTR);
+}
+/*******************************************************************************
+  Resume_Init: Handles wake-up restoring normal operations
+* Return     : USB_SUCCESS.
+*******************************************************************************/
+void Resume_Init(void)
+{
+  u16 wCNTR;
+  /* ------------------ ONLY WITH BUS-POWERED DEVICES ---------------------- */
+  /* restart the clocks */
+  /* CNTR_LPMODE = 0 */
+  wCNTR = _GetCNTR();
+  wCNTR &= (~CNTR_LPMODE);
+  _SetCNTR(wCNTR);
+  /* restore full power */
+  /* ... on connected devices */
+  /* reset FSUSP bit */
+  _SetCNTR(IMR_MSK);
+  /* reverse suspend preparation */
+  /* ... */
+}
+/*******************************************************************************
+  Resume: This is the state machine handling resume operations and
+          timing sequence. The control is based on the Resume structure
+          variables and on the ESOF interrupt calling this subroutine
+          without changing machine state.
+  Input:  a state machine value (RESUME_STATE)
+          RESUME_ESOF doesn't change ResumeS.eState allowing
+          decrementing of the ESOF counter in different states.
+*******************************************************************************/
+void Resume(RESUME_STATE eResumeSetVal)
+{
+  u16 wCNTR;
+
+  if (eResumeSetVal != RESUME_ESOF)  ResumeS.eState = eResumeSetVal;
+  switch (ResumeS.eState){
+    case RESUME_EXTERNAL:
+      Resume_Init();
+      ResumeS.eState = RESUME_OFF;
+      break;
+    case RESUME_INTERNAL:
+      Resume_Init();
+      ResumeS.eState = RESUME_START;
+      break;
+    case RESUME_LATER:
+      ResumeS.bESOFcnt = 2;
+      ResumeS.eState = RESUME_WAIT;
+      break;
+    case RESUME_WAIT:
+      ResumeS.bESOFcnt--;
+      if (ResumeS.bESOFcnt == 0)
+        ResumeS.eState = RESUME_START;
+      break;
+    case RESUME_START:
+      wCNTR = _GetCNTR();
+      wCNTR |= CNTR_RESUME;
+      _SetCNTR(wCNTR);
+      ResumeS.eState = RESUME_ON;
+      ResumeS.bESOFcnt = 10;
+      break;
+    case RESUME_ON:
+      ResumeS.bESOFcnt--;
+      if (ResumeS.bESOFcnt == 0){
+        wCNTR = _GetCNTR();
+        wCNTR &= (~CNTR_RESUME);
+        _SetCNTR(wCNTR);
+        ResumeS.eState = RESUME_OFF;
+      }
+      break;
+    case RESUME_OFF:
+    case RESUME_ESOF:
+    default:
+      ResumeS.eState = RESUME_OFF;
+      break;
+  }
+}
+/*********************************  END OF FILE  ******************************/