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Initial work to run flash code on a remote tile from USB tile. Also added some error passing for DFU (such that device stalls the host). Still needs merging with dummy_deliver.

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This commit is contained in:
Ross Owen
2015-06-12 14:43:50 +01:00
parent ee7d058614
commit 4d93a9c906
8 changed files with 205 additions and 129 deletions
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152
module_dfu/src/dfu.xc
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@@ -10,7 +10,7 @@
#include <dfu_interface.h>
static int DFU_state = STATE_APP_IDLE;
static int g_DFU_state = STATE_APP_IDLE;
static int DFU_status = DFU_OK;
static timer DFUTimer;
static unsigned int DFUTimerStart = 0;
@@ -39,13 +39,19 @@ void temp()
asm(".globl DFU_reset_override");
}
static int DFU_OpenFlash(chanend ?c_user_cmd)
/* Return non-zero on error */
static int DFU_OpenFlash()
{
if (!DFU_flash_connected)
{
unsigned int cmd_data[16];
DFUCustomFlashEnable();
flash_cmd_init();
int error = flash_cmd_init();
if(error)
{
return error;
}
DFU_flash_connected = 1;
}
@@ -64,14 +70,13 @@ static int DFU_CloseFlash(chanend ?c_user_cmd)
return 0;
}
static int DFU_Detach(unsigned int timeout, chanend ?c_user_cmd)
static int DFU_Detach(unsigned int timeout, chanend ?c_user_cmd, unsigned &DFU_state)
{
if (DFU_state == STATE_APP_IDLE)
{
DFU_state = STATE_APP_DETACH;
DFU_OpenFlash(c_user_cmd);
DFU_OpenFlash();
// Setup DFU timeout value
DFUResetTimeout = timeout * 100000;
@@ -86,16 +91,20 @@ static int DFU_Detach(unsigned int timeout, chanend ?c_user_cmd)
return 0;
}
static int DFU_Dnload(unsigned int request_len, unsigned int block_num, const unsigned request_data[16], chanend ?c_user_cmd)
static int DFU_Dnload(unsigned int request_len, unsigned int block_num, const unsigned request_data[16], chanend ?c_user_cmd, int &return_data_len, unsigned &DFU_state)
{
unsigned int fromDfuIdle = 0;
return_data_len = 0;
int error;
// Get DFU packets here, sequence is
// DFU_DOWNLOAD -> DFU_DOWNLOAD_SYNC
// GET_STATUS -> DFU_DOWNLOAD_SYNC (flash busy) || DFU_DOWNLOAD_IDLE
// REPEAT UNTIL DFU_DOWNLOAD with 0 length -> DFU_MANIFEST_SYNC
DFU_OpenFlash(c_user_cmd);
if((error = DFU_OpenFlash()))
{
return error;
}
switch (DFU_state)
{
@@ -104,13 +113,13 @@ static int DFU_Dnload(unsigned int request_len, unsigned int block_num, const un
break;
default:
DFU_state = STATE_DFU_ERROR;
return 0;
return 1;
}
if ((DFU_state == STATE_DFU_IDLE) && (request_len == 0))
{
DFU_state = STATE_DFU_ERROR;
return 0;
return 1;
}
else if (DFU_state == STATE_DFU_IDLE)
{
@@ -178,7 +187,7 @@ static int DFU_Dnload(unsigned int request_len, unsigned int block_num, const un
}
static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned data_out[16], chanend ?c_user_cmd)
static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned data_out[16], unsigned &DFU_state)
{
unsigned int cmd_data[16];
unsigned int firstRead = 0;
@@ -186,7 +195,7 @@ static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned
// Start at flash address 0
// Keep reading flash pages until read_page returns 1 (address out of range)
// Return terminating upload packet at this point
DFU_OpenFlash(c_user_cmd);
DFU_OpenFlash();
switch (DFU_state)
{
@@ -237,7 +246,7 @@ static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned
return 64;
}
static int DFU_GetStatus(unsigned int request_len, unsigned data_buffer[16], chanend ?c_user_cmd)
static int DFU_GetStatus(unsigned int request_len, unsigned data_buffer[16], chanend ?c_user_cmd, unsigned &DFU_state)
{
unsigned int timeout = 0;
@@ -270,7 +279,7 @@ static int DFU_GetStatus(unsigned int request_len, unsigned data_buffer[16], cha
}
static int DFU_ClrStatus(void)
static int DFU_ClrStatus(unsigned &DFU_state)
{
if (DFU_state == STATE_DFU_ERROR)
{
@@ -283,9 +292,8 @@ static int DFU_ClrStatus(void)
return 0;
}
static int DFU_GetState(unsigned int request_len, unsigned int request_data[16], chanend ?c_user_cmd)
static int DFU_GetState(unsigned int request_len, unsigned int request_data[16], chanend ?c_user_cmd, unsigned &DFU_state)
{
request_data[0] = DFU_state;
switch (DFU_state)
@@ -302,7 +310,7 @@ static int DFU_GetState(unsigned int request_len, unsigned int request_data[16],
return 1;
}
static int DFU_Abort(void)
static int DFU_Abort(unsigned &DFU_state)
{
DFU_state = STATE_DFU_IDLE;
return 0;
@@ -318,20 +326,20 @@ int DFUReportResetState(chanend ?c_user_cmd)
{
unsigned int cmd_data[16];
inDFU = 1;
DFU_state = STATE_DFU_IDLE;
g_DFU_state = STATE_DFU_IDLE;
return inDFU;
}
switch(DFU_state)
switch(g_DFU_state)
{
case STATE_APP_DETACH:
case STATE_DFU_IDLE:
DFU_state = STATE_DFU_IDLE;
g_DFU_state = STATE_DFU_IDLE;
DFUTimer :> currentTime;
if (currentTime - DFUTimerStart > DFUResetTimeout)
{
DFU_state = STATE_APP_IDLE;
g_DFU_state = STATE_APP_IDLE;
inDFU = 0;
}
else
@@ -349,10 +357,10 @@ int DFUReportResetState(chanend ?c_user_cmd)
case STATE_DFU_UPLOAD_IDLE:
case STATE_DFU_ERROR:
inDFU = 0;
DFU_state = STATE_APP_IDLE;
g_DFU_state = STATE_APP_IDLE;
break;
default:
DFU_state = STATE_DFU_ERROR;
g_DFU_state = STATE_DFU_ERROR;
inDFU = 1;
break;
}
@@ -369,7 +377,7 @@ static int XMOS_DFU_RevertFactory(chanend ?c_user_cmd)
{
unsigned s = 0;
DFU_OpenFlash(c_user_cmd);
DFU_OpenFlash();
flash_cmd_erase_all();
@@ -403,54 +411,71 @@ void DFUHandler(server interface i_dfu i, chanend ?c_user_cmd)
{
select
{
case i.HandleDfuRequest(USB_SetupPacket_t &sp, unsigned data_buffer[], unsigned data_buffer_length)
-> {unsigned reset_device_after_ack, int return_data_len, unsigned dfu_reset_override}:
case i.HandleDfuRequest(USB_SetupPacket_t &sp, unsigned data_buffer[], unsigned data_buffer_length, unsigned dfuState)
-> {unsigned reset_device_after_ack, int return_data_len, unsigned dfu_reset_override, unsigned returnVal, unsigned newDfuState}:
reset_device_after_ack = 0;
return_data_len = 0;
dfu_reset_override = 0;
unsigned tmpDfuState;
returnVal = 0;
// Map Standard DFU commands onto device level firmware upgrade mechanism
switch (sp.bRequest)
{
case DFU_DETACH:
return_data_len = DFU_Detach(sp.wValue, c_user_cmd);
tmpDfuState = dfuState;
return_data_len = DFU_Detach(sp.wValue, c_user_cmd, tmpDfuState);
newDfuState = tmpDfuState;;
break;
case DFU_DNLOAD:
unsigned data[16];
for(int i = 0; i < 16; i++)
data[i] = data_buffer[i];
return_data_len = DFU_Dnload(sp.wLength, sp.wValue, data, c_user_cmd);
tmpDfuState = dfuState;
returnVal = DFU_Dnload(sp.wLength, sp.wValue, data, c_user_cmd, return_data_len, tmpDfuState);
newDfuState = tmpDfuState;
break;
case DFU_UPLOAD:
unsigned data_out[16];
return_data_len = DFU_Upload(sp.wLength, sp.wValue, data_out, c_user_cmd);
tmpDfuState = dfuState;
return_data_len = DFU_Upload(sp.wLength, sp.wValue, data_out, tmpDfuState);
newDfuState = tmpDfuState;
for(int i = 0; i < 16; i++)
data_buffer[i] = data_out[i];
break;
case DFU_GETSTATUS:
unsigned data_out[16];
return_data_len = DFU_GetStatus(sp.wLength, data_out, c_user_cmd);
tmpDfuState = dfuState;
return_data_len = DFU_GetStatus(sp.wLength, data_out, c_user_cmd, tmpDfuState);
newDfuState = tmpDfuState;
for(int i = 0; i < 16; i++)
data_buffer[i] = data_out[i];
break;
case DFU_CLRSTATUS:
return_data_len = DFU_ClrStatus();
tmpDfuState = dfuState;
return_data_len = DFU_ClrStatus(tmpDfuState);
newDfuState = tmpDfuState;
break;
case DFU_GETSTATE:
unsigned data_out[16];
return_data_len = DFU_GetState(sp.wLength, data_out, c_user_cmd);
tmpDfuState = dfuState;
return_data_len = DFU_GetState(sp.wLength, data_out, c_user_cmd, tmpDfuState);
newDfuState = tmpDfuState;
for(int i = 0; i < 16; i++)
data_buffer[i] = data_out[i];
break;
case DFU_ABORT:
return_data_len = DFU_Abort();
tmpDfuState = dfuState;
return_data_len = DFU_Abort(tmpDfuState);
newDfuState = tmpDfuState;
break;
/* XMOS Custom DFU requests */
@@ -500,12 +525,14 @@ void DFUHandler(server interface i_dfu i, chanend ?c_user_cmd)
}
}
int DFUDeviceRequests_(client interface i_dfu i, XUD_ep ep0_out, XUD_ep &?ep0_in, USB_SetupPacket_t &sp, unsigned int altInterface)
int DFUDeviceRequests(XUD_ep ep0_out, XUD_ep &?ep0_in, USB_SetupPacket_t &sp, chanend ?c_user_cmd, unsigned int altInterface, client interface i_dfu i,int &reset)
{
unsigned int return_data_len = 0;
unsigned int data_buffer_len = 0;
unsigned int data_buffer[17];
unsigned int reset_device_after_ack = 0;
unsigned int returnVal = 0;
unsigned int dfuState = g_DFU_state;
if(sp.bmRequestType.Direction == USB_BM_REQTYPE_DIRECTION_H2D)
{
@@ -515,42 +542,29 @@ int DFUDeviceRequests_(client interface i_dfu i, XUD_ep ep0_out, XUD_ep &?ep0_in
}
/* Interface used here such that the handler can be on another tile */
{reset_device_after_ack, return_data_len, DFU_reset_override} = i.HandleDfuRequest(sp, data_buffer, data_buffer_len);
{reset_device_after_ack, return_data_len, DFU_reset_override, returnVal, dfuState} = i.HandleDfuRequest(sp, data_buffer, data_buffer_len, g_DFU_state);
if (sp.bmRequestType.Direction == USB_BM_REQTYPE_DIRECTION_D2H && sp.wLength != 0)
/* Update our version of dfuState */
g_DFU_state = dfuState;
/* Check if the request was handled */
if(!returnVal)
{
XUD_DoGetRequest(ep0_out, ep0_in, (data_buffer, unsigned char[]), return_data_len, return_data_len);
}
else
{
XUD_DoSetRequestStatus(ep0_in);
}
if (sp.bmRequestType.Direction == USB_BM_REQTYPE_DIRECTION_D2H && sp.wLength != 0)
{
XUD_DoGetRequest(ep0_out, ep0_in, (data_buffer, unsigned char[]), return_data_len, return_data_len);
}
else
{
XUD_DoSetRequestStatus(ep0_in);
}
// If device reset requested, handle after command acknowledgement
if (reset_device_after_ack)
{
return 1;
}
return 0;
// If device reset requested, handle after command acknowledgement
if (reset_device_after_ack)
{
reset = 1;
}
}
return returnVal;
}
int DFUDeviceRequests(XUD_ep ep0_out, XUD_ep &?ep0_in, USB_SetupPacket_t &sp, chanend ?c_user_cmd, unsigned int altInterface, client interface i_dfu i)
{
//interface i_dfu i;
int retVal;
// par
// {
//#if XUD_TILE == 0
// /* Flash is always on tile 0, USB may be used on a different tile */
// [[distribute]]
// DFUHandler(i, c_user_cmd);
//#else
//#error
//#endif
retVal = DFUDeviceRequests_(i, ep0_out, ep0_in, sp, altInterface);
// }
return retVal;
}