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clean up

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This commit is contained in:
hathach 2020-10-13 13:45:22 +07:00
parent 437ccac696
commit d92d1a03ca
2 changed files with 55 additions and 47 deletions
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97
src/class/msc/msc_host.c
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@ -53,7 +53,7 @@ typedef struct
uint8_t max_lun;
volatile bool is_initialized;
volatile bool mounted;
uint8_t stage;
void* buffer;
@ -68,24 +68,32 @@ CFG_TUSB_MEM_SECTION static msch_interface_t msch_data[CFG_TUSB_HOST_DEVICE_MAX]
// buffer used to read scsi information when mounted, largest response data currently is inquiry
CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(4) static uint8_t msch_buffer[sizeof(scsi_inquiry_resp_t)];
static inline msch_interface_t* get_itf(uint8_t dev_addr)
{
return &msch_data[dev_addr-1];
}
//--------------------------------------------------------------------+
// PUBLIC API
//--------------------------------------------------------------------+
uint8_t tuh_msc_get_maxlun(uint8_t dev_addr)
{
return msch_data[dev_addr-1].max_lun;
msch_interface_t* p_msc = get_itf(dev_addr);
return p_msc->max_lun;
}
bool tuh_msc_is_mounted(uint8_t dev_addr)
bool tuh_msc_mounted(uint8_t dev_addr)
{
return tuh_device_is_configured(dev_addr) && // is configured can be omitted
msch_data[dev_addr-1].is_initialized;
msch_interface_t* p_msc = get_itf(dev_addr);
// is configured can be omitted
return tuh_device_is_configured(dev_addr) && p_msc->mounted;
}
bool tuh_msc_is_busy(uint8_t dev_addr)
{
return msch_data[dev_addr-1].is_initialized &&
hcd_edpt_busy(dev_addr, msch_data[dev_addr-1].ep_in);
msch_interface_t* p_msc = get_itf(dev_addr);
return p_msc->mounted && hcd_edpt_busy(dev_addr, p_msc->ep_in);
}
//--------------------------------------------------------------------+
@ -100,7 +108,8 @@ static inline void msc_cbw_add_signature(msc_cbw_t *p_cbw, uint8_t lun)
bool tuh_msc_scsi_command(uint8_t dev_addr, msc_cbw_t const* cbw, void* data, tuh_msc_complete_cb_t complete_cb)
{
msch_interface_t* p_msc = &msch_data[dev_addr-1];
msch_interface_t* p_msc = get_itf(dev_addr);
TU_VERIFY(p_msc->mounted);
// TODO claim endpoint
@ -116,8 +125,8 @@ bool tuh_msc_scsi_command(uint8_t dev_addr, msc_cbw_t const* cbw, void* data, tu
bool tuh_msc_read_capacity(uint8_t dev_addr, uint8_t lun, scsi_read_capacity10_resp_t* response, tuh_msc_complete_cb_t complete_cb)
{
msch_interface_t* p_msc = &msch_data[dev_addr-1];
if ( !p_msc->is_initialized ) return false;
msch_interface_t* p_msc = get_itf(dev_addr);
if ( !p_msc->mounted ) return false;
msc_cbw_t cbw = { 0 };
@ -127,9 +136,7 @@ bool tuh_msc_read_capacity(uint8_t dev_addr, uint8_t lun, scsi_read_capacity10_r
cbw.cmd_len = sizeof(scsi_read_capacity10_t);
cbw.command[0] = SCSI_CMD_READ_CAPACITY_10;
TU_ASSERT(tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb));
return true;
return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb);
}
bool tuh_msc_scsi_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* response, tuh_msc_complete_cb_t complete_cb)
@ -148,9 +155,7 @@ bool tuh_msc_scsi_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* re
};
memcpy(cbw.command, &cmd_inquiry, cbw.cmd_len);
TU_ASSERT(tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb));
return true;
return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb);
}
bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_t complete_cb)
@ -164,9 +169,7 @@ bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_
cbw.command[0] = SCSI_CMD_TEST_UNIT_READY;
cbw.command[1] = lun; // according to wiki TODO need verification
TU_ASSERT(tuh_msc_scsi_command(dev_addr, &cbw, NULL, complete_cb));
return true;
return tuh_msc_scsi_command(dev_addr, &cbw, NULL, complete_cb);
}
bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *resposne, tuh_msc_complete_cb_t complete_cb)
@ -186,12 +189,11 @@ bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *resposne, tuh_ms
memcpy(cbw.command, &cmd_request_sense, cbw.cmd_len);
TU_ASSERT(tuh_msc_scsi_command(dev_addr, &cbw, resposne, complete_cb));
return true;
return tuh_msc_scsi_command(dev_addr, &cbw, resposne, complete_cb);
}
#if 0
tusb_error_t tuh_msc_read10(uint8_t dev_addr, uint8_t lun, void * p_buffer, uint32_t lba, uint16_t block_count)
{
msch_interface_t* p_msch = &msch_data[dev_addr-1];
@ -245,6 +247,27 @@ tusb_error_t tuh_msc_write10(uint8_t dev_addr, uint8_t lun, void const * p_buffe
}
#endif
#if 0
// MSC interface Reset (not used now)
bool tuh_msc_reset(uint8_t dev_addr)
{
tusb_control_request_t const new_request =
{
.bmRequestType_bit =
{
.recipient = TUSB_REQ_RCPT_INTERFACE,
.type = TUSB_REQ_TYPE_CLASS,
.direction = TUSB_DIR_OUT
},
.bRequest = MSC_REQ_RESET,
.wValue = 0,
.wIndex = p_msc->itf_num,
.wLength = 0
};
TU_ASSERT( usbh_control_xfer( dev_addr, &new_request, NULL ) );
}
#endif
//--------------------------------------------------------------------+
// CLASS-USBH API (don't require to verify parameters)
//--------------------------------------------------------------------+
@ -261,7 +284,7 @@ void msch_close(uint8_t dev_addr)
bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
{
msch_interface_t* p_msc = &msch_data[dev_addr-1];
msch_interface_t* p_msc = get_itf(dev_addr);
msc_cbw_t const * cbw = &p_msc->cbw;
msc_csw_t * csw = &p_msc->csw;
@ -319,7 +342,7 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it
TU_VERIFY (MSC_SUBCLASS_SCSI == itf_desc->bInterfaceSubClass &&
MSC_PROTOCOL_BOT == itf_desc->bInterfaceProtocol);
msch_interface_t* p_msc = &msch_data[dev_addr-1];
msch_interface_t* p_msc = get_itf(dev_addr);
//------------- Open Data Pipe -------------//
tusb_desc_endpoint_t const * ep_desc = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc);
@ -358,7 +381,7 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it
.wIndex = p_msc->itf_num,
.wLength = 1
};
TU_ASSERT(tuh_control_xfer(dev_addr, &request, msch_buffer, open_get_maxlun_complete));
TU_ASSERT(tuh_control_xfer(dev_addr, &request, &p_msc->max_lun, open_get_maxlun_complete));
return true;
}
@ -367,30 +390,12 @@ static bool open_get_maxlun_complete (uint8_t dev_addr, tusb_control_request_t c
{
(void) request;
msch_interface_t* p_msc = &msch_data[dev_addr-1];
msch_interface_t* p_msc = get_itf(dev_addr);
// STALL means zero
p_msc->max_lun = (XFER_RESULT_SUCCESS == result) ? msch_buffer[0] : 0;
p_msc->max_lun++; // MAX LUN is minus 1 by specs
// MSCU Reset
#if 0 // not really needed
tusb_control_request_t const new_request =
{
.bmRequestType_bit =
{
.recipient = TUSB_REQ_RCPT_INTERFACE,
.type = TUSB_REQ_TYPE_CLASS,
.direction = TUSB_DIR_OUT
},
.bRequest = MSC_REQ_RESET,
.wValue = 0,
.wIndex = p_msc->itf_num,
.wLength = 0
};
TU_ASSERT( usbh_control_xfer( dev_addr, &new_request, NULL ) );
#endif
// TODO multiple LUN support
TU_LOG2("SCSI Test Unit Ready\r\n");
tuh_msc_test_unit_ready(dev_addr, 0, open_test_unit_ready_complete);
@ -402,10 +407,10 @@ static bool open_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* cbw
{
if (csw->status == 0)
{
msch_interface_t* p_msc = &msch_data[dev_addr-1];
msch_interface_t* p_msc = get_itf(dev_addr);
// Unit is ready, Enumeration is complete
p_msc->is_initialized = true; // open complete TODO remove
p_msc->mounted = true;
tuh_msc_mounted_cb(dev_addr);
}else
{

5
src/class/msc/msc_host.h
View File

@ -51,7 +51,10 @@ typedef bool (*tuh_msc_complete_cb_t)(uint8_t dev_addr, msc_cbw_t const* cbw, ms
* \retval true if device supports
* \retval false if device does not support or is not mounted
*/
bool tuh_msc_is_mounted(uint8_t dev_addr);
// Check if device supports MassStorage interface.
// This function true after tuh_msc_mounted_cb() and false after tuh_msc_unmounted_cb()
bool tuh_msc_mounted(uint8_t dev_addr);
/** \brief Check if the interface is currently busy or not
* \param[in] dev_addr device address