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view src/cs/layer1/dyn_dwl_cfile/l1_dyn_dwl_sync.c @ 629:3231dd9b38c1

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armio.c: make GPIOs 8 & 13 outputs driving 1 on all "classic" targets Calypso GPIOs 8 & 13 are pinmuxed with MCUEN1 & MCUEN2, respectively, and on powerup these pins are MCUEN, i.e., outputs driving 1. TI's code for C-Sample and earlier turns them into GPIOs configured as outputs also driving 1 - so far, so good - but TI's code for BOARD 41 (which covers D-Sample, Leonardo and all real world Calypso devices derived from the latter) switches them from MCUEN to GPIOs, but then leaves them as inputs. Given that the hardware powerup state of these two pins is outputs driving 1, every Calypso board design MUST be compatible with such driving; typically these GPIO signals will be either unused and unconnected or connected as outputs driving some peripheral. Turning these pins into GPIO inputs will result in floating inputs on every reasonably-wired board, thus I am convinced that this configuration is nothing but a bug on the part of whoever wrote this code at TI. This floating input bug had already been fixed earlier for GTA modem and FCDEV3B targets; the present change makes the fix unconditional for all "classic" targets. The newly affected targets are D-Sample, Leonardo, Tango and GTM900.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 02 Jan 2020 05:38:26 +0000
parents 50a15a54801e
children
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/************* Revision Controle System Header *************
 *                  GSM Layer 1 software
 * L1_DYN_DWL_SYNC.C
 *
 *        Filename l1_dyn_dwl_sync.c
 *  Copyright 2004 (C) Texas Instruments
 *
 ************* Revision Controle System Header *************/

#include <stdio.h>
#include <string.h>

#include "nucleus.h"
#include "l1_confg.h"
#include "l1_types.h"
#include "sys_types.h"
#include "cust_os.h"
#include "l1audio_signa.h"
#include "l1audio_const.h"
#include "l1audio_cust.h"
#include "l1audio_defty.h"
#include "l1_const.h"
#include "l1tm_defty.h"
#if (L1_GTT == 1)
  #include "l1gtt_const.h"
  #include "l1gtt_defty.h"
#endif
#if (L1_DYN_DSP_DWNLD==1)
  #include "l1_dyn_dwl_defty.h"
  #include "l1_dyn_dwl_msgty.h"
  #include "l1_dyn_dwl_const.h"
  #include "l1_dyn_dwl_signa.h"
  #include "l1_dyn_dwl_error.h"
  #include "l1_dyn_dwl_proto.h"
  #include "l1_api_hisr.h"
#endif

#if (L1_MP3 == 1)
  #include "l1mp3_defty.h"
#endif //L1_MP3
#if (L1_MIDI == 1)
  #include "l1midi_defty.h"
#endif

#include "l1_macro.h"
#include "l1_defty.h"
#include "l1_varex.h"
#include "l1_trace.h"
#include "sys_dma.h"

#if (L1_DYN_DSP_DWNLD == 1)

extern T_DYN_DWNLD_MCU_DSP *dyn_dwl_ndb;


/*-------------------------------------------------------*/
/* l1s_dyn_dsp_dwnld_manager()                           */
/*-------------------------------------------------------*/
/*                                                       */
/* Parameters :  n/a                                     */
/*                                                       */
/* Return     :  n/a                                     */
/*                                                       */
/* Description : dsp dynamic download L1S manager task.  */
/*                                                       */
/*-------------------------------------------------------*/

void l1s_dyn_dwnld_manager(void)
{
  enum states
  {
    WAIT_INIT = 0,
    WAIT_RESULT,
    WAIT_STOP
  };

  UWORD8 *state = &l1s.dyn_dwnld_state;
  xSignalHeaderRec *conf_msg;
  
  switch(*state)
  {
    case WAIT_INIT:
    {
      if(l1a_l1s_com.dyn_dwnld_task.start==TRUE)
      {
        // make sure the DSP is able to receive API interrupt
        // for this, we wait 1 TDMA frame
        // change state
        *state=WAIT_RESULT;
      }
    }
    break;

    case WAIT_RESULT:
    {
      // reset the command
      l1a_l1s_com.dyn_dwnld_task.start=FALSE;
      // send start background to the DSP
      dyn_dwl_ndb->d_api_dwl_download_ctrl = (API) C_DWL_DOWNLOAD_CTRL_INIT;
      l1s_dsp_com.dsp_ndb_ptr->a_background_tasks[C_BGD_DSP_DYN_DWNLD] = (API)((C_BGD_DSP_DYN_DWNLD<<11) | 1);
      l1s_dsp_com.dsp_ndb_ptr->d_background_enable|=(API)(1<<C_BGD_DSP_DYN_DWNLD);
      l1_trigger_api_interrupt();

      // change state
      *state=WAIT_STOP;
    }
    break;

    case WAIT_STOP:
    {
      if(l1a_l1s_com.dyn_dwnld_task.stop==TRUE)
      {
        // reset the command
        l1a_l1s_com.dyn_dwnld_task.stop=FALSE;

        // send stop background to the DSP
        l1s_dsp_com.dsp_ndb_ptr->a_background_tasks[C_BGD_DSP_DYN_DWNLD] = (API)((C_BGD_DSP_DYN_DWNLD<<11) | 0);
        l1s_dsp_com.dsp_ndb_ptr->d_background_enable&=(API)(~(1<<C_BGD_DSP_DYN_DWNLD));
        l1_trigger_api_interrupt(); 
        
        // send confirmation to the L1A
        conf_msg=os_alloc_sig(0);
        DEBUGMSG(status,NU_ALLOC_ERR)
        conf_msg->SignalCode=L1_DYN_DWNLD_STOP_CON;
        os_send_sig(conf_msg,L1C1_QUEUE);
        DEBUGMSG(status,NU_SEND_QUEUE_ERR)

        // change state
        *state=WAIT_INIT;
      }
    }
    break;
  }
}

#endif    // L1_DYN_DSP_DWNLD==1