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DFU now uses an interface to DFU handler which does flash handling. Should allow access to flash on another tile more easily.

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This commit is contained in:
Ross Owen
2015-06-08 16:03:08 +01:00
parent 68a329c5c3
commit ee7d058614
6 changed files with 175 additions and 84 deletions
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2
module_dfu/src/dfu.h
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@@ -88,7 +88,7 @@ unsigned char DFUcfgDesc[] = {
int DFUReportResetState(NULLABLE_RESOURCE(chanend , c_user_cmd));
int DFUDeviceRequests(XUD_ep c_ep0_out, NULLABLE_REFERENCE_PARAM(XUD_ep, ep0_in), REFERENCE_PARAM(USB_SetupPacket_t, sp),
NULLABLE_RESOURCE(chanend, c_user_cmd), unsigned int altInterface, unsigned int user_reset);
NULLABLE_RESOURCE(chanend, c_user_cmd), unsigned int altInterface, CLIENT_INTERFACE(i_dfu, dfuInterface));
/* Helper function for C */
void DFUDelay(unsigned d);

207
module_dfu/src/dfu.xc
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@@ -8,6 +8,8 @@
#include "dfu_types.h"
#include "flash_interface.h"
#include <dfu_interface.h>
static int DFU_state = STATE_APP_IDLE;
static int DFU_status = DFU_OK;
static timer DFUTimer;
@@ -84,7 +86,7 @@ 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, unsigned int 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)
{
unsigned int fromDfuIdle = 0;
@@ -176,7 +178,7 @@ static int DFU_Dnload(unsigned int request_len, unsigned int block_num, unsigned
}
static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned int request_data[16], chanend ?c_user_cmd)
static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned data_out[16], chanend ?c_user_cmd)
{
unsigned int cmd_data[16];
unsigned int firstRead = 0;
@@ -226,7 +228,7 @@ static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned
}
// Get 64 bytes of page data from memory
flash_cmd_read_page_data((request_data, unsigned char[64]));
flash_cmd_read_page_data((data_out, unsigned char[64]));
subPagesLeft--;
@@ -235,11 +237,11 @@ static int DFU_Upload(unsigned int request_len, unsigned int block_num, unsigned
return 64;
}
static int DFU_GetStatus(unsigned int request_len, unsigned int request_data[16], chanend ?c_user_cmd)
static int DFU_GetStatus(unsigned int request_len, unsigned data_buffer[16], chanend ?c_user_cmd)
{
unsigned int timeout = 0;
request_data[0] = timeout << 8 | (unsigned char)DFU_status;
data_buffer[0] = timeout << 8 | (unsigned char)DFU_status;
switch (DFU_state)
{
@@ -262,9 +264,10 @@ static int DFU_GetStatus(unsigned int request_len, unsigned int request_data[16]
break;
}
request_data[1] = DFU_state;
data_buffer[1] = DFU_state;
return 6;
}
static int DFU_ClrStatus(void)
@@ -383,7 +386,6 @@ static int XMOS_DFU_SelectImage(unsigned int index, chanend ?c_user_cmd)
return 0;
}
static int XMOS_DFU_SaveState()
{
return 0;
@@ -394,13 +396,117 @@ static int XMOS_DFU_LoadState()
return 0;
}
int DFUDeviceRequests(XUD_ep ep0_out, XUD_ep &?ep0_in, USB_SetupPacket_t &sp, chanend ?c_user_cmd, unsigned int altInterface, unsigned int user_reset)
[[distributable]]
void DFUHandler(server interface i_dfu i, chanend ?c_user_cmd)
{
while(1)
{
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}:
reset_device_after_ack = 0;
return_data_len = 0;
dfu_reset_override = 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);
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);
break;
case DFU_UPLOAD:
unsigned data_out[16];
return_data_len = DFU_Upload(sp.wLength, sp.wValue, data_out, c_user_cmd);
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);
for(int i = 0; i < 16; i++)
data_buffer[i] = data_out[i];
break;
case DFU_CLRSTATUS:
return_data_len = DFU_ClrStatus();
break;
case DFU_GETSTATE:
unsigned data_out[16];
return_data_len = DFU_GetState(sp.wLength, data_out, c_user_cmd);
for(int i = 0; i < 16; i++)
data_buffer[i] = data_out[i];
break;
case DFU_ABORT:
return_data_len = DFU_Abort();
break;
/* XMOS Custom DFU requests */
case XMOS_DFU_RESETDEVICE:
reset_device_after_ack = 1;
return_data_len = 0;
break;
case XMOS_DFU_REVERTFACTORY:
return_data_len = XMOS_DFU_RevertFactory(c_user_cmd);
break;
case XMOS_DFU_RESETINTODFU:
reset_device_after_ack = 1;
dfu_reset_override = 0x11042011;
return_data_len = 0;
break;
case XMOS_DFU_RESETFROMDFU:
reset_device_after_ack = 1;
dfu_reset_override = 0;
return_data_len = 0;
break;
case XMOS_DFU_SELECTIMAGE:
return_data_len = XMOS_DFU_SelectImage(sp.wValue, c_user_cmd);
break;
case XMOS_DFU_SAVESTATE:
/* Save passed state to flash */
return_data_len = XMOS_DFU_SaveState();
break;
case XMOS_DFU_RESTORESTATE:
/* Restore saved state from flash */
return_data_len = XMOS_DFU_LoadState();
break;
default:
break;
}
break;
case i.finish():
return;
}
}
}
int DFUDeviceRequests_(client interface i_dfu i, XUD_ep ep0_out, XUD_ep &?ep0_in, USB_SetupPacket_t &sp, unsigned int altInterface)
{
unsigned int return_data_len = 0;
unsigned int data_buffer_len = 0;
unsigned int data_buffer[17];
unsigned int reset_device_after_ack = 0;
if(sp.bmRequestType.Direction == USB_BM_REQTYPE_DIRECTION_H2D)
{
// Host to device
@@ -408,62 +514,8 @@ int DFUDeviceRequests(XUD_ep ep0_out, XUD_ep &?ep0_in, USB_SetupPacket_t &sp, ch
XUD_GetBuffer(ep0_out, (data_buffer, unsigned char[]), data_buffer_len);
}
// 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);
break;
case DFU_DNLOAD:
return_data_len = DFU_Dnload(sp.wLength, sp.wValue, data_buffer, c_user_cmd);
break;
case DFU_UPLOAD:
return_data_len = DFU_Upload(sp.wLength, sp.wValue, data_buffer, c_user_cmd);
break;
case DFU_GETSTATUS:
return_data_len = DFU_GetStatus(sp.wLength, data_buffer, c_user_cmd);
break;
case DFU_CLRSTATUS:
return_data_len = DFU_ClrStatus();
break;
case DFU_GETSTATE:
return_data_len = DFU_GetState(sp.wLength, data_buffer, c_user_cmd);
break;
case DFU_ABORT:
return_data_len = DFU_Abort();
break;
/* XMOS Custom DFU requests */
case XMOS_DFU_RESETDEVICE:
reset_device_after_ack = 1;
return_data_len = 0;
break;
case XMOS_DFU_REVERTFACTORY:
return_data_len = XMOS_DFU_RevertFactory(c_user_cmd);
break;
case XMOS_DFU_RESETINTODFU:
reset_device_after_ack = 1;
DFU_reset_override = 0x11042011;
return_data_len = 0;
break;
case XMOS_DFU_RESETFROMDFU:
reset_device_after_ack = 1;
DFU_reset_override = 0;
return_data_len = 0;
break;
case XMOS_DFU_SELECTIMAGE:
return_data_len = XMOS_DFU_SelectImage(sp.wValue, c_user_cmd);
break;
case XMOS_DFU_SAVESTATE:
/* Save passed state to flash */
return_data_len = XMOS_DFU_SaveState();
break;
case XMOS_DFU_RESTORESTATE:
/* Restore saved state from flash */
return_data_len = XMOS_DFU_LoadState();
break;
default:
break;
}
/* 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);
if (sp.bmRequestType.Direction == USB_BM_REQTYPE_DIRECTION_D2H && sp.wLength != 0)
{
@@ -477,11 +529,28 @@ int DFUDeviceRequests(XUD_ep ep0_out, XUD_ep &?ep0_in, USB_SetupPacket_t &sp, ch
// If device reset requested, handle after command acknowledgement
if (reset_device_after_ack)
{
if (user_reset)
{
return 1;
}
return 1;
}
return 0;
}
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;
}

14
module_dfu/src/dfu_interface.h Normal file
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@@ -0,0 +1,14 @@
#ifndef __DFU_INTERFACE_H__
#define __DFU_INTERFACE_H__
#include "usb_std_requests.h"
interface i_dfu
{
{unsigned, int, unsigned} HandleDfuRequest(USB_SetupPacket_t &sp, unsigned data_buffer[], unsigned data_buffer_length);
void finish();
};
#endif