diff options
Diffstat (limited to 'src/class/msc')
| -rw-r--r-- | src/class/msc/msc.h | 2 | ||||
| -rw-r--r-- | src/class/msc/msc_device.c | 403 | ||||
| -rw-r--r-- | src/class/msc/msc_device.h | 11 | ||||
| -rw-r--r-- | src/class/msc/msc_host.c | 448 | ||||
| -rw-r--r-- | src/class/msc/msc_host.h | 131 |
5 files changed, 476 insertions, 519 deletions
diff --git a/src/class/msc/msc.h b/src/class/msc/msc.h index cba8066b7..0bdc00692 100644 --- a/src/class/msc/msc.h +++ b/src/class/msc/msc.h @@ -255,7 +255,7 @@ typedef struct TU_ATTR_PACKED uint8_t : 3; uint8_t disable_block_descriptor : 1; - uint8_t : 0; + uint8_t : 4; uint8_t page_code : 6; uint8_t page_control : 2; diff --git a/src/class/msc/msc_device.c b/src/class/msc/msc_device.c index f3f2e536e..194f4d3cb 100644 --- a/src/class/msc/msc_device.c +++ b/src/class/msc/msc_device.c @@ -71,6 +71,7 @@ CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static uint8_t _mscd_buf[CFG_TUD_MSC_EP_ //--------------------------------------------------------------------+ // INTERNAL OBJECT & FUNCTION DECLARATION //--------------------------------------------------------------------+ +static int32_t proc_builtin_scsi(uint8_t lun, uint8_t const scsi_cmd[16], uint8_t* buffer, uint32_t bufsize); static void proc_read10_cmd(uint8_t rhport, mscd_interface_t* p_msc); static void proc_write10_cmd(uint8_t rhport, mscd_interface_t* p_msc); @@ -186,10 +187,14 @@ uint16_t mscd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint1 return drv_len; } -// Handle class control request +// Invoked when a control transfer occurred on an interface of this class +// Driver response accordingly to the request and the transfer stage (setup/data/ack) // return false to stall control endpoint (e.g unsupported request) -bool mscd_control_request(uint8_t rhport, tusb_control_request_t const * p_request) +bool mscd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * p_request) { + // nothing to do with DATA & ACK stage + if (stage != CONTROL_STAGE_SETUP) return true; + // Handle class request only TU_VERIFY(p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS); @@ -219,190 +224,6 @@ bool mscd_control_request(uint8_t rhport, tusb_control_request_t const * p_reque return true; } -// Invoked when class request DATA stage is finished. -// return false to stall control endpoint (e.g Host send non-sense DATA) -bool mscd_control_complete(uint8_t rhport, tusb_control_request_t const * request) -{ - (void) rhport; - (void) request; - - // nothing to do - return true; -} - -// return response's length (copied to buffer). Negative if it is not an built-in command or indicate Failed status (CSW) -// In case of a failed status, sense key must be set for reason of failure -int32_t proc_builtin_scsi(uint8_t lun, uint8_t const scsi_cmd[16], uint8_t* buffer, uint32_t bufsize) -{ - (void) bufsize; // TODO refractor later - int32_t resplen; - - switch ( scsi_cmd[0] ) - { - case SCSI_CMD_TEST_UNIT_READY: - resplen = 0; - if ( !tud_msc_test_unit_ready_cb(lun) ) - { - // Failed status response - resplen = - 1; - - // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable - if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); - } - break; - - case SCSI_CMD_START_STOP_UNIT: - resplen = 0; - - if (tud_msc_start_stop_cb) - { - scsi_start_stop_unit_t const * start_stop = (scsi_start_stop_unit_t const *) scsi_cmd; - if ( !tud_msc_start_stop_cb(lun, start_stop->power_condition, start_stop->start, start_stop->load_eject) ) - { - // Failed status response - resplen = - 1; - - // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable - if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); - } - } - break; - - case SCSI_CMD_READ_CAPACITY_10: - { - uint32_t block_count; - uint32_t block_size; - uint16_t block_size_u16; - - tud_msc_capacity_cb(lun, &block_count, &block_size_u16); - block_size = (uint32_t) block_size_u16; - - // Invalid block size/count from callback, possibly unit is not ready - // stall this request, set sense key to NOT READY - if (block_count == 0 || block_size == 0) - { - resplen = -1; - - // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable - if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); - }else - { - scsi_read_capacity10_resp_t read_capa10; - - read_capa10.last_lba = tu_htonl(block_count-1); - read_capa10.block_size = tu_htonl(block_size); - - resplen = sizeof(read_capa10); - memcpy(buffer, &read_capa10, resplen); - } - } - break; - - case SCSI_CMD_READ_FORMAT_CAPACITY: - { - scsi_read_format_capacity_data_t read_fmt_capa = - { - .list_length = 8, - .block_num = 0, - .descriptor_type = 2, // formatted media - .block_size_u16 = 0 - }; - - uint32_t block_count; - uint16_t block_size; - - tud_msc_capacity_cb(lun, &block_count, &block_size); - - // Invalid block size/count from callback, possibly unit is not ready - // stall this request, set sense key to NOT READY - if (block_count == 0 || block_size == 0) - { - resplen = -1; - - // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable - if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); - }else - { - read_fmt_capa.block_num = tu_htonl(block_count); - read_fmt_capa.block_size_u16 = tu_htons(block_size); - - resplen = sizeof(read_fmt_capa); - memcpy(buffer, &read_fmt_capa, resplen); - } - } - break; - - case SCSI_CMD_INQUIRY: - { - scsi_inquiry_resp_t inquiry_rsp = - { - .is_removable = 1, - .version = 2, - .response_data_format = 2, - }; - - // vendor_id, product_id, product_rev is space padded string - memset(inquiry_rsp.vendor_id , ' ', sizeof(inquiry_rsp.vendor_id)); - memset(inquiry_rsp.product_id , ' ', sizeof(inquiry_rsp.product_id)); - memset(inquiry_rsp.product_rev, ' ', sizeof(inquiry_rsp.product_rev)); - - tud_msc_inquiry_cb(lun, inquiry_rsp.vendor_id, inquiry_rsp.product_id, inquiry_rsp.product_rev); - - resplen = sizeof(inquiry_rsp); - memcpy(buffer, &inquiry_rsp, resplen); - } - break; - - case SCSI_CMD_MODE_SENSE_6: - { - scsi_mode_sense6_resp_t mode_resp = - { - .data_len = 3, - .medium_type = 0, - .write_protected = false, - .reserved = 0, - .block_descriptor_len = 0 // no block descriptor are included - }; - - bool writable = true; - if (tud_msc_is_writable_cb) { - writable = tud_msc_is_writable_cb(lun); - } - mode_resp.write_protected = !writable; - - resplen = sizeof(mode_resp); - memcpy(buffer, &mode_resp, resplen); - } - break; - - case SCSI_CMD_REQUEST_SENSE: - { - scsi_sense_fixed_resp_t sense_rsp = - { - .response_code = 0x70, - .valid = 1 - }; - - sense_rsp.add_sense_len = sizeof(scsi_sense_fixed_resp_t) - 8; - - sense_rsp.sense_key = _mscd_itf.sense_key; - sense_rsp.add_sense_code = _mscd_itf.add_sense_code; - sense_rsp.add_sense_qualifier = _mscd_itf.add_sense_qualifier; - - resplen = sizeof(sense_rsp); - memcpy(buffer, &sense_rsp, resplen); - - // Clear sense data after copy - tud_msc_set_sense(lun, 0, 0, 0); - } - break; - - default: resplen = -1; break; - } - - return resplen; -} - bool mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes) { mscd_interface_t* p_msc = &_mscd_itf; @@ -592,6 +413,24 @@ bool mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t TU_LOG2(" SCSI Status: %u\r\n", p_csw->status); // TU_LOG2_MEM(p_csw, xferred_bytes, 2); + // Invoke complete callback if defined + // Note: There is racing issue with samd51 + qspi flash testing with arduino + // if complete_cb() is invoked after queuing the status. + switch(p_cbw->command[0]) + { + case SCSI_CMD_READ_10: + if ( tud_msc_read10_complete_cb ) tud_msc_read10_complete_cb(p_cbw->lun); + break; + + case SCSI_CMD_WRITE_10: + if ( tud_msc_write10_complete_cb ) tud_msc_write10_complete_cb(p_cbw->lun); + break; + + default: + if ( tud_msc_scsi_complete_cb ) tud_msc_scsi_complete_cb(p_cbw->lun, p_cbw->command); + break; + } + // Move to default CMD stage p_msc->stage = MSC_STAGE_CMD; @@ -615,24 +454,6 @@ bool mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t } else { - // Invoke complete callback if defined - // Note: There is racing issue with samd51 + qspi flash testing with arduino - // if complete_cb() is invoked after queuing the status. - switch(p_cbw->command[0]) - { - case SCSI_CMD_READ_10: - if ( tud_msc_read10_complete_cb ) tud_msc_read10_complete_cb(p_cbw->lun); - break; - - case SCSI_CMD_WRITE_10: - if ( tud_msc_write10_complete_cb ) tud_msc_write10_complete_cb(p_cbw->lun); - break; - - default: - if ( tud_msc_scsi_complete_cb ) tud_msc_scsi_complete_cb(p_cbw->lun, p_cbw->command); - break; - } - // Move to Status Sent stage p_msc->stage = MSC_STAGE_STATUS_SENT; @@ -647,6 +468,180 @@ bool mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t /*------------------------------------------------------------------*/ /* SCSI Command Process *------------------------------------------------------------------*/ + +// return response's length (copied to buffer). Negative if it is not an built-in command or indicate Failed status (CSW) +// In case of a failed status, sense key must be set for reason of failure +static int32_t proc_builtin_scsi(uint8_t lun, uint8_t const scsi_cmd[16], uint8_t* buffer, uint32_t bufsize) +{ + (void) bufsize; // TODO refractor later + int32_t resplen; + + switch ( scsi_cmd[0] ) + { + case SCSI_CMD_TEST_UNIT_READY: + resplen = 0; + if ( !tud_msc_test_unit_ready_cb(lun) ) + { + // Failed status response + resplen = - 1; + + // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable + if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); + } + break; + + case SCSI_CMD_START_STOP_UNIT: + resplen = 0; + + if (tud_msc_start_stop_cb) + { + scsi_start_stop_unit_t const * start_stop = (scsi_start_stop_unit_t const *) scsi_cmd; + if ( !tud_msc_start_stop_cb(lun, start_stop->power_condition, start_stop->start, start_stop->load_eject) ) + { + // Failed status response + resplen = - 1; + + // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable + if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); + } + } + break; + + case SCSI_CMD_READ_CAPACITY_10: + { + uint32_t block_count; + uint32_t block_size; + uint16_t block_size_u16; + + tud_msc_capacity_cb(lun, &block_count, &block_size_u16); + block_size = (uint32_t) block_size_u16; + + // Invalid block size/count from callback, possibly unit is not ready + // stall this request, set sense key to NOT READY + if (block_count == 0 || block_size == 0) + { + resplen = -1; + + // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable + if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); + }else + { + scsi_read_capacity10_resp_t read_capa10; + + read_capa10.last_lba = tu_htonl(block_count-1); + read_capa10.block_size = tu_htonl(block_size); + + resplen = sizeof(read_capa10); + memcpy(buffer, &read_capa10, resplen); + } + } + break; + + case SCSI_CMD_READ_FORMAT_CAPACITY: + { + scsi_read_format_capacity_data_t read_fmt_capa = + { + .list_length = 8, + .block_num = 0, + .descriptor_type = 2, // formatted media + .block_size_u16 = 0 + }; + + uint32_t block_count; + uint16_t block_size; + + tud_msc_capacity_cb(lun, &block_count, &block_size); + + // Invalid block size/count from callback, possibly unit is not ready + // stall this request, set sense key to NOT READY + if (block_count == 0 || block_size == 0) + { + resplen = -1; + + // If sense key is not set by callback, default to Logical Unit Not Ready, Cause Not Reportable + if ( _mscd_itf.sense_key == 0 ) tud_msc_set_sense(lun, SCSI_SENSE_NOT_READY, 0x04, 0x00); + }else + { + read_fmt_capa.block_num = tu_htonl(block_count); + read_fmt_capa.block_size_u16 = tu_htons(block_size); + + resplen = sizeof(read_fmt_capa); + memcpy(buffer, &read_fmt_capa, resplen); + } + } + break; + + case SCSI_CMD_INQUIRY: + { + scsi_inquiry_resp_t inquiry_rsp = + { + .is_removable = 1, + .version = 2, + .response_data_format = 2, + }; + + // vendor_id, product_id, product_rev is space padded string + memset(inquiry_rsp.vendor_id , ' ', sizeof(inquiry_rsp.vendor_id)); + memset(inquiry_rsp.product_id , ' ', sizeof(inquiry_rsp.product_id)); + memset(inquiry_rsp.product_rev, ' ', sizeof(inquiry_rsp.product_rev)); + + tud_msc_inquiry_cb(lun, inquiry_rsp.vendor_id, inquiry_rsp.product_id, inquiry_rsp.product_rev); + + resplen = sizeof(inquiry_rsp); + memcpy(buffer, &inquiry_rsp, resplen); + } + break; + + case SCSI_CMD_MODE_SENSE_6: + { + scsi_mode_sense6_resp_t mode_resp = + { + .data_len = 3, + .medium_type = 0, + .write_protected = false, + .reserved = 0, + .block_descriptor_len = 0 // no block descriptor are included + }; + + bool writable = true; + if (tud_msc_is_writable_cb) { + writable = tud_msc_is_writable_cb(lun); + } + mode_resp.write_protected = !writable; + + resplen = sizeof(mode_resp); + memcpy(buffer, &mode_resp, resplen); + } + break; + + case SCSI_CMD_REQUEST_SENSE: + { + scsi_sense_fixed_resp_t sense_rsp = + { + .response_code = 0x70, + .valid = 1 + }; + + sense_rsp.add_sense_len = sizeof(scsi_sense_fixed_resp_t) - 8; + + sense_rsp.sense_key = _mscd_itf.sense_key; + sense_rsp.add_sense_code = _mscd_itf.add_sense_code; + sense_rsp.add_sense_qualifier = _mscd_itf.add_sense_qualifier; + + resplen = sizeof(sense_rsp); + memcpy(buffer, &sense_rsp, resplen); + + // Clear sense data after copy + tud_msc_set_sense(lun, 0, 0, 0); + } + break; + + default: resplen = -1; break; + } + + return resplen; +} + static void proc_read10_cmd(uint8_t rhport, mscd_interface_t* p_msc) { msc_cbw_t const * p_cbw = &p_msc->cbw; diff --git a/src/class/msc/msc_device.h b/src/class/msc/msc_device.h index 3aa93ffd7..469f2f2f7 100644 --- a/src/class/msc/msc_device.h +++ b/src/class/msc/msc_device.h @@ -158,12 +158,11 @@ TU_ATTR_WEAK bool tud_msc_is_writable_cb(uint8_t lun); //--------------------------------------------------------------------+ // Internal Class Driver API //--------------------------------------------------------------------+ -void mscd_init (void); -void mscd_reset (uint8_t rhport); -uint16_t mscd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len); -bool mscd_control_request (uint8_t rhport, tusb_control_request_t const * p_request); -bool mscd_control_complete (uint8_t rhport, tusb_control_request_t const * p_request); -bool mscd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes); +void mscd_init (void); +void mscd_reset (uint8_t rhport); +uint16_t mscd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len); +bool mscd_control_xfer_cb (uint8_t rhport, uint8_t stage, tusb_control_request_t const * p_request); +bool mscd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes); #ifdef __cplusplus } diff --git a/src/class/msc/msc_host.c b/src/class/msc/msc_host.c index 539e98376..02ca81e77 100644 --- a/src/class/msc/msc_host.c +++ b/src/class/msc/msc_host.c @@ -37,53 +37,63 @@ //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF //--------------------------------------------------------------------+ -CFG_TUSB_MEM_SECTION static msch_interface_t msch_data[CFG_TUSB_HOST_DEVICE_MAX]; +enum +{ + MSC_STAGE_IDLE = 0, + MSC_STAGE_CMD, + MSC_STAGE_DATA, + MSC_STAGE_STATUS, +}; + +typedef struct +{ + uint8_t itf_num; + uint8_t ep_in; + uint8_t ep_out; + + uint8_t max_lun; -//------------- Initalization Data -------------// -static osal_semaphore_def_t msch_sem_def; -static osal_semaphore_t msch_sem_hdl; + volatile bool mounted; + + uint8_t stage; + void* buffer; + tuh_msc_complete_cb_t complete_cb; + + msc_cbw_t cbw; + msc_csw_t csw; +}msch_interface_t; + +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)]; -//--------------------------------------------------------------------+ -// INTERNAL OBJECT & FUNCTION DECLARATION -//--------------------------------------------------------------------+ +static inline msch_interface_t* get_itf(uint8_t dev_addr) +{ + return &msch_data[dev_addr-1]; +} //--------------------------------------------------------------------+ // PUBLIC API //--------------------------------------------------------------------+ -bool tuh_msc_is_mounted(uint8_t dev_addr) +uint8_t tuh_msc_get_maxlun(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); + return p_msc->max_lun; } -bool tuh_msc_is_busy(uint8_t dev_addr) +bool tuh_msc_mounted(uint8_t dev_addr) { - return msch_data[dev_addr-1].is_initialized && - hcd_edpt_busy(dev_addr, msch_data[dev_addr-1].ep_in); -} - -uint8_t const* tuh_msc_get_vendor_name(uint8_t dev_addr) -{ - return msch_data[dev_addr-1].is_initialized ? msch_data[dev_addr-1].vendor_id : NULL; -} + msch_interface_t* p_msc = get_itf(dev_addr); -uint8_t const* tuh_msc_get_product_name(uint8_t dev_addr) -{ - return msch_data[dev_addr-1].is_initialized ? msch_data[dev_addr-1].product_id : NULL; + // is configured can be omitted + return tuh_device_is_configured(dev_addr) && p_msc->mounted; } -tusb_error_t tuh_msc_get_capacity(uint8_t dev_addr, uint32_t* p_last_lba, uint32_t* p_block_size) +bool tuh_msc_is_busy(uint8_t dev_addr) { - if ( !msch_data[dev_addr-1].is_initialized ) return TUSB_ERROR_MSCH_DEVICE_NOT_MOUNTED; - TU_ASSERT(p_last_lba != NULL && p_block_size != NULL, TUSB_ERROR_INVALID_PARA); - - (*p_last_lba) = msch_data[dev_addr-1].last_lba; - (*p_block_size) = (uint32_t) msch_data[dev_addr-1].block_size; - - return TUSB_ERROR_NONE; + msch_interface_t* p_msc = get_itf(dev_addr); + return p_msc->mounted && hcd_edpt_busy(dev_addr, p_msc->ep_in); } //--------------------------------------------------------------------+ @@ -92,131 +102,98 @@ tusb_error_t tuh_msc_get_capacity(uint8_t dev_addr, uint32_t* p_last_lba, uint32 static inline void msc_cbw_add_signature(msc_cbw_t *p_cbw, uint8_t lun) { p_cbw->signature = MSC_CBW_SIGNATURE; - p_cbw->tag = 0xCAFECAFE; + p_cbw->tag = 0x54555342; // TUSB p_cbw->lun = lun; } -static tusb_error_t msch_command_xfer(uint8_t dev_addr, msch_interface_t * p_msch, void* p_buffer) +bool tuh_msc_scsi_command(uint8_t dev_addr, msc_cbw_t const* cbw, void* data, tuh_msc_complete_cb_t complete_cb) { - if ( NULL != p_buffer) - { // there is data phase - if (p_msch->cbw.dir & TUSB_DIR_IN_MASK) - { - TU_ASSERT( hcd_pipe_xfer(dev_addr, p_msch->ep_out, (uint8_t*) &p_msch->cbw, sizeof(msc_cbw_t), false), TUSB_ERROR_FAILED ); - TU_ASSERT( hcd_pipe_queue_xfer(dev_addr, p_msch->ep_in , p_buffer, p_msch->cbw.total_bytes), TUSB_ERROR_FAILED ); - }else - { - TU_ASSERT( hcd_pipe_queue_xfer(dev_addr, p_msch->ep_out, (uint8_t*) &p_msch->cbw, sizeof(msc_cbw_t)), TUSB_ERROR_FAILED ); - TU_ASSERT( hcd_pipe_xfer(dev_addr, p_msch->ep_out , p_buffer, p_msch->cbw.total_bytes, false), TUSB_ERROR_FAILED ); - } - } + msch_interface_t* p_msc = get_itf(dev_addr); + // TU_VERIFY(p_msc->mounted); // TODO part of the enumeration also use scsi command - TU_ASSERT( hcd_pipe_xfer(dev_addr, p_msch->ep_in , (uint8_t*) &p_msch->csw, sizeof(msc_csw_t), true), TUSB_ERROR_FAILED); + // TODO claim endpoint - return TUSB_ERROR_NONE; -} + p_msc->cbw = *cbw; + p_msc->stage = MSC_STAGE_CMD; + p_msc->buffer = data; + p_msc->complete_cb = complete_cb; -tusb_error_t tusbh_msc_inquiry(uint8_t dev_addr, uint8_t lun, uint8_t *p_data) -{ - msch_interface_t* p_msch = &msch_data[dev_addr-1]; + TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_out, (uint8_t*) &p_msc->cbw, sizeof(msc_cbw_t))); - //------------- Command Block Wrapper -------------// - msc_cbw_add_signature(&p_msch->cbw, lun); - p_msch->cbw.total_bytes = sizeof(scsi_inquiry_resp_t); - p_msch->cbw.dir = TUSB_DIR_IN_MASK; - p_msch->cbw.cmd_len = sizeof(scsi_inquiry_t); + return true; +} - //------------- SCSI command -------------// - scsi_inquiry_t cmd_inquiry = - { - .cmd_code = SCSI_CMD_INQUIRY, - .alloc_length = sizeof(scsi_inquiry_resp_t) - }; +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 = get_itf(dev_addr); + if ( !p_msc->mounted ) return false; - memcpy(p_msch->cbw.command, &cmd_inquiry, p_msch->cbw.cmd_len); + msc_cbw_t cbw = { 0 }; - TU_ASSERT_ERR ( msch_command_xfer(dev_addr, p_msch, p_data) ); + msc_cbw_add_signature(&cbw, lun); + cbw.total_bytes = sizeof(scsi_read_capacity10_resp_t); + cbw.dir = TUSB_DIR_IN_MASK; + cbw.cmd_len = sizeof(scsi_read_capacity10_t); + cbw.command[0] = SCSI_CMD_READ_CAPACITY_10; - return TUSB_ERROR_NONE; + return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb); } -tusb_error_t tusbh_msc_read_capacity10(uint8_t dev_addr, uint8_t lun, uint8_t *p_data) +bool tuh_msc_scsi_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* response, tuh_msc_complete_cb_t complete_cb) { - msch_interface_t* p_msch = &msch_data[dev_addr-1]; + msc_cbw_t cbw = { 0 }; - //------------- Command Block Wrapper -------------// - msc_cbw_add_signature(&p_msch->cbw, lun); - p_msch->cbw.total_bytes = sizeof(scsi_read_capacity10_resp_t); - p_msch->cbw.dir = TUSB_DIR_IN_MASK; - p_msch->cbw.cmd_len = sizeof(scsi_read_capacity10_t); + msc_cbw_add_signature(&cbw, lun); + cbw.total_bytes = sizeof(scsi_inquiry_resp_t); + cbw.dir = TUSB_DIR_IN_MASK; + cbw.cmd_len = sizeof(scsi_inquiry_t); - //------------- SCSI command -------------// - scsi_read_capacity10_t cmd_read_capacity10 = + scsi_inquiry_t const cmd_inquiry = { - .cmd_code = SCSI_CMD_READ_CAPACITY_10, - .lba = 0, - .partial_medium_indicator = 0 + .cmd_code = SCSI_CMD_INQUIRY, + .alloc_length = sizeof(scsi_inquiry_resp_t) }; + memcpy(cbw.command, &cmd_inquiry, cbw.cmd_len); - memcpy(p_msch->cbw.command, &cmd_read_capacity10, p_msch->cbw.cmd_len); - - TU_ASSERT_ERR ( msch_command_xfer(dev_addr, p_msch, p_data) ); - - return TUSB_ERROR_NONE; + return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb); } -tusb_error_t tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, uint8_t *p_data) +bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_t complete_cb) { - (void) lun; // TODO [MSCH] multiple lun support + msc_cbw_t cbw = { 0 }; + msc_cbw_add_signature(&cbw, lun); - msch_interface_t* p_msch = &msch_data[dev_addr-1]; - - //------------- Command Block Wrapper -------------// - p_msch->cbw.total_bytes = 18; - p_msch->cbw.dir = TUSB_DIR_IN_MASK; - p_msch->cbw.cmd_len = sizeof(scsi_request_sense_t); + cbw.total_bytes = 0; // Number of bytes + cbw.dir = TUSB_DIR_OUT; + cbw.cmd_len = sizeof(scsi_test_unit_ready_t); + cbw.command[0] = SCSI_CMD_TEST_UNIT_READY; + cbw.command[1] = lun; // according to wiki TODO need verification - //------------- SCSI command -------------// - scsi_request_sense_t cmd_request_sense = - { - .cmd_code = SCSI_CMD_REQUEST_SENSE, - .alloc_length = 18 - }; - - memcpy(p_msch->cbw.command, &cmd_request_sense, p_msch->cbw.cmd_len); - - TU_ASSERT_ERR ( msch_command_xfer(dev_addr, p_msch, p_data) ); - - return TUSB_ERROR_NONE; + return tuh_msc_scsi_command(dev_addr, &cbw, NULL, complete_cb); } -tusb_error_t tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, msc_csw_t * p_csw) +bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *resposne, tuh_msc_complete_cb_t complete_cb) { - msch_interface_t* p_msch = &msch_data[dev_addr-1]; + msc_cbw_t cbw = { 0 }; + msc_cbw_add_signature(&cbw, lun); - //------------- Command Block Wrapper -------------// - msc_cbw_add_signature(&p_msch->cbw, lun); - - p_msch->cbw.total_bytes = 0; // Number of bytes - p_msch->cbw.dir = TUSB_DIR_OUT; - p_msch->cbw.cmd_len = sizeof(scsi_test_unit_ready_t); + cbw.total_bytes = 18; // TODO sense response + cbw.dir = TUSB_DIR_IN_MASK; + cbw.cmd_len = sizeof(scsi_request_sense_t); - //------------- SCSI command -------------// - scsi_test_unit_ready_t cmd_test_unit_ready = + scsi_request_sense_t const cmd_request_sense = { - .cmd_code = SCSI_CMD_TEST_UNIT_READY, - .lun = lun // according to wiki + .cmd_code = SCSI_CMD_REQUEST_SENSE, + .alloc_length = 18 }; - memcpy(p_msch->cbw.command, &cmd_test_unit_ready, p_msch->cbw.cmd_len); + memcpy(cbw.command, &cmd_request_sense, cbw.cmd_len); - // TODO MSCH refractor test uinit ready - TU_ASSERT( hcd_pipe_xfer(dev_addr, p_msch->ep_out, (uint8_t*) &p_msch->cbw, sizeof(msc_cbw_t), false), TUSB_ERROR_FAILED ); - TU_ASSERT( hcd_pipe_xfer(dev_addr, p_msch->ep_in , (uint8_t*) p_csw, sizeof(msc_csw_t), true), TUSB_ERROR_FAILED ); - - return TUSB_ERROR_NONE; + 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]; @@ -229,7 +206,7 @@ tusb_error_t tuh_msc_read10(uint8_t dev_addr, uint8_t lun, void * p_buffer, uin p_msch->cbw.cmd_len = sizeof(scsi_read10_t); //------------- SCSI command -------------// - scsi_read10_t cmd_read10 = + scsi_read10_t cmd_read10 =msch_sem_hdl { .cmd_code = SCSI_CMD_READ_10, .lba = tu_htonl(lba), @@ -238,7 +215,7 @@ tusb_error_t tuh_msc_read10(uint8_t dev_addr, uint8_t lun, void * p_buffer, uin memcpy(p_msch->cbw.command, &cmd_read10, p_msch->cbw.cmd_len); - TU_ASSERT_ERR ( msch_command_xfer(dev_addr, p_msch, p_buffer)); + TU_ASSERT_ERR ( send_cbw(dev_addr, p_msch, p_buffer)); return TUSB_ERROR_NONE; } @@ -264,10 +241,32 @@ tusb_error_t tuh_msc_write10(uint8_t dev_addr, uint8_t lun, void const * p_buffe memcpy(p_msch->cbw.command, &cmd_write10, p_msch->cbw.cmd_len); - TU_ASSERT_ERR ( msch_command_xfer(dev_addr, p_msch, (void*) p_buffer)); + TU_ASSERT_ERR ( send_cbw(dev_addr, p_msch, (void*) p_buffer)); return TUSB_ERROR_NONE; } +#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) @@ -275,24 +274,83 @@ tusb_error_t tuh_msc_write10(uint8_t dev_addr, uint8_t lun, void const * p_buffe void msch_init(void) { tu_memclr(msch_data, sizeof(msch_interface_t)*CFG_TUSB_HOST_DEVICE_MAX); - msch_sem_hdl = osal_semaphore_create(&msch_sem_def); } +void msch_close(uint8_t dev_addr) +{ + msch_interface_t* p_msc = get_itf(dev_addr); + tu_memclr(p_msc, sizeof(msch_interface_t)); + tuh_msc_unmounted_cb(dev_addr); // invoke Application Callback +} + +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 = get_itf(dev_addr); + msc_cbw_t const * cbw = &p_msc->cbw; + msc_csw_t * csw = &p_msc->csw; + + switch (p_msc->stage) + { + case MSC_STAGE_CMD: + // Must be Command Block + TU_ASSERT(ep_addr == p_msc->ep_out && event == XFER_RESULT_SUCCESS && xferred_bytes == sizeof(msc_cbw_t)); + + if ( cbw->total_bytes && p_msc->buffer ) + { + // Data stage if any + p_msc->stage = MSC_STAGE_DATA; + + uint8_t const ep_data = (cbw->dir & TUSB_DIR_IN_MASK) ? p_msc->ep_in : p_msc->ep_out; + TU_ASSERT(usbh_edpt_xfer(dev_addr, ep_data, p_msc->buffer, cbw->total_bytes)); + }else + { + // Status stage + p_msc->stage = MSC_STAGE_STATUS; + TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_in, (uint8_t*) &p_msc->csw, sizeof(msc_csw_t))); + } + break; + + case MSC_STAGE_DATA: + // Status stage + p_msc->stage = MSC_STAGE_STATUS; + TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_in, (uint8_t*) &p_msc->csw, sizeof(msc_csw_t))); + break; + + case MSC_STAGE_STATUS: + // SCSI op is complete + p_msc->stage = MSC_STAGE_IDLE; + + if (p_msc->complete_cb) p_msc->complete_cb(dev_addr, cbw, csw); + break; + + // unknown state + default: break; + } + + return true; +} + +//--------------------------------------------------------------------+ +// MSC Enumeration +//--------------------------------------------------------------------+ + +static bool config_get_maxlun_complete (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); +static bool config_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw); +static bool config_request_sense_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw); + bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length) { 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); for(uint32_t i=0; i<2; i++) { - TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType); - TU_ASSERT(TUSB_XFER_BULK == ep_desc->bmAttributes.xfer); - + TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer); TU_ASSERT(usbh_edpt_open(rhport, dev_addr, ep_desc)); if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN ) @@ -309,106 +367,78 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it p_msc->itf_num = itf_desc->bInterfaceNumber; (*p_length) += sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t); - //------------- Get Max Lun -------------// - TU_LOG2("MSC Get Max Lun\r\n"); - tusb_control_request_t request = { - .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_INTERFACE, .type = TUSB_REQ_TYPE_CLASS, .direction = TUSB_DIR_IN }, - .bRequest = MSC_REQ_GET_MAX_LUN, - .wValue = 0, - .wIndex = p_msc->itf_num, - .wLength = 1 - }; - // TODO STALL means zero - TU_ASSERT( usbh_control_xfer( dev_addr, &request, msch_buffer ) ); - p_msc->max_lun = msch_buffer[0]; - -#if 0 - //------------- Reset -------------// - request = (tusb_control_request_t) { - .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, &request, NULL ) ); -#endif - - enum { SCSI_XFER_TIMEOUT = 2000 }; - //------------- SCSI Inquiry -------------// - tusbh_msc_inquiry(dev_addr, 0, msch_buffer); - TU_ASSERT( osal_semaphore_wait(msch_sem_hdl, SCSI_XFER_TIMEOUT) ); - - memcpy(p_msc->vendor_id , ((scsi_inquiry_resp_t*) msch_buffer)->vendor_id , 8); - memcpy(p_msc->product_id, ((scsi_inquiry_resp_t*) msch_buffer)->product_id, 16); + return true; +} - //------------- SCSI Read Capacity 10 -------------// - tusbh_msc_read_capacity10(dev_addr, 0, msch_buffer); - TU_ASSERT( osal_semaphore_wait(msch_sem_hdl, SCSI_XFER_TIMEOUT)); +bool msch_set_config(uint8_t dev_addr, uint8_t itf_num) +{ + msch_interface_t* p_msc = get_itf(dev_addr); + TU_ASSERT(p_msc->itf_num == itf_num); - // NOTE: my toshiba thumb-drive stall the first Read Capacity and require the sequence - // Read Capacity --> Stalled --> Clear Stall --> Request Sense --> Read Capacity (2) to work - if ( hcd_edpt_stalled(dev_addr, p_msc->ep_in) ) + //------------- Get Max Lun -------------// + TU_LOG2("MSC Get Max Lun\r\n"); + tusb_control_request_t request = { - // clear stall TODO abstract clear stall function - request = (tusb_control_request_t) { - .bmRequestType_bit = { .recipient = TUSB_REQ_RCPT_ENDPOINT, .type = TUSB_REQ_TYPE_STANDARD, .direction = TUSB_DIR_OUT }, - .bRequest = TUSB_REQ_CLEAR_FEATURE, - .wValue = 0, - .wIndex = p_msc->ep_in, - .wLength = 0 - }; - - TU_ASSERT(usbh_control_xfer( dev_addr, &request, NULL )); - - hcd_edpt_clear_stall(dev_addr, p_msc->ep_in); - TU_ASSERT( osal_semaphore_wait(msch_sem_hdl, SCSI_XFER_TIMEOUT) ); // wait for SCSI status + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_INTERFACE, + .type = TUSB_REQ_TYPE_CLASS, + .direction = TUSB_DIR_IN + }, + .bRequest = MSC_REQ_GET_MAX_LUN, + .wValue = 0, + .wIndex = itf_num, + .wLength = 1 + }; + TU_ASSERT(tuh_control_xfer(dev_addr, &request, &p_msc->max_lun, config_get_maxlun_complete)); - //------------- SCSI Request Sense -------------// - (void) tuh_msc_request_sense(dev_addr, 0, msch_buffer); - TU_ASSERT(osal_semaphore_wait(msch_sem_hdl, SCSI_XFER_TIMEOUT)); + return true; +} - //------------- Re-read SCSI Read Capactity -------------// - tusbh_msc_read_capacity10(dev_addr, 0, msch_buffer); - TU_ASSERT(osal_semaphore_wait(msch_sem_hdl, SCSI_XFER_TIMEOUT)); - } +static bool config_get_maxlun_complete (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) +{ + (void) request; - p_msc->last_lba = tu_ntohl( ((scsi_read_capacity10_resp_t*)msch_buffer)->last_lba ); - p_msc->block_size = (uint16_t) tu_ntohl( ((scsi_read_capacity10_resp_t*)msch_buffer)->block_size ); + msch_interface_t* p_msc = get_itf(dev_addr); - p_msc->is_initialized = true; + // 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 - tuh_msc_mounted_cb(dev_addr); + // TODO multiple LUN support + TU_LOG2("SCSI Test Unit Ready\r\n"); + tuh_msc_test_unit_ready(dev_addr, 0, config_test_unit_ready_complete); return true; } -void msch_isr(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes) +static bool config_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw) { - msch_interface_t* p_msc = &msch_data[dev_addr-1]; - if ( ep_addr == p_msc->ep_in ) + if (csw->status == 0) { - if (p_msc->is_initialized) - { - tuh_msc_isr(dev_addr, event, xferred_bytes); - }else - { // still initializing under open subtask - osal_semaphore_post(msch_sem_hdl, true); - } + msch_interface_t* p_msc = get_itf(dev_addr); + + usbh_driver_set_config_complete(dev_addr, p_msc->itf_num); + + // Unit is ready, Enumeration is complete + p_msc->mounted = true; + tuh_msc_mounted_cb(dev_addr); + }else + { + // Note: During enumeration, some device fails Test Unit Ready and require a few retries + // with Request Sense to start working !! + // TODO limit number of retries + TU_ASSERT(tuh_msc_request_sense(dev_addr, cbw->lun, msch_buffer, config_request_sense_complete)); } + + return true; } -void msch_close(uint8_t dev_addr) +static bool config_request_sense_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw) { - tu_memclr(&msch_data[dev_addr-1], sizeof(msch_interface_t)); - osal_semaphore_reset(msch_sem_hdl); - - tuh_msc_unmounted_cb(dev_addr); // invoke Application Callback + TU_ASSERT(csw->status == 0); + TU_ASSERT(tuh_msc_test_unit_ready(dev_addr, cbw->lun, config_test_unit_ready_complete)); + return true; } -//--------------------------------------------------------------------+ -// INTERNAL & HELPER -//--------------------------------------------------------------------+ - - #endif diff --git a/src/class/msc/msc_host.h b/src/class/msc/msc_host.h index 959294adf..5913350b8 100644 --- a/src/class/msc/msc_host.h +++ b/src/class/msc/msc_host.h @@ -40,15 +40,16 @@ * \defgroup MSC_Host Host * The interface API includes status checking function, data transferring function and callback functions * @{ */ + +typedef bool (*tuh_msc_complete_cb_t)(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw); + //--------------------------------------------------------------------+ -// MASS STORAGE Application API +// Application API //--------------------------------------------------------------------+ -/** \brief Check if device supports MassStorage interface or not - * \param[in] dev_addr device address - * \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 @@ -60,35 +61,27 @@ bool tuh_msc_is_mounted(uint8_t dev_addr); */ bool tuh_msc_is_busy(uint8_t dev_addr); -/** \brief Get SCSI vendor's name of MassStorage device - * \param[in] dev_addr device address - * \return pointer to vendor's name or NULL if specified device does not support MassStorage - * \note SCSI vendor's name is 8-byte length field in \ref scsi_inquiry_data_t. During enumeration, the stack has already - * retrieved (via SCSI INQUIRY) and store this information internally. There is no need for application to re-send SCSI INQUIRY - * command or allocate buffer for this. - */ -uint8_t const* tuh_msc_get_vendor_name(uint8_t dev_addr); +// Get Max Lun +uint8_t tuh_msc_get_maxlun(uint8_t dev_addr); -/** \brief Get SCSI product's name of MassStorage device - * \param[in] dev_addr device address - * \return pointer to product's name or NULL if specified device does not support MassStorage - * \note SCSI product's name is 16-byte length field in \ref scsi_inquiry_data_t. During enumeration, the stack has already - * retrieved (via SCSI INQUIRY) and store this information internally. There is no need for application to re-send SCSI INQUIRY - * command or allocate buffer for this. - */ -uint8_t const* tuh_msc_get_product_name(uint8_t dev_addr); +// Carry out a full SCSI command (cbw, data, csw) in non-blocking manner. +// `complete_cb` callback is invoked when SCSI op is complete. +// return true if success, false if there is already pending operation. +bool tuh_msc_scsi_command(uint8_t dev_addr, msc_cbw_t const* cbw, void* data, tuh_msc_complete_cb_t complete_cb); -/** \brief Get SCSI Capacity of MassStorage device - * \param[in] dev_addr device address - * \param[out] p_last_lba Last Logical Block Address of device - * \param[out] p_block_size Block Size of device in bytes - * \retval pointer to product's name or NULL if specified device does not support MassStorage - * \note MassStorage's capacity can be computed by last LBA x block size (in bytes). During enumeration, the stack has already - * retrieved (via SCSI READ CAPACITY 10) and store this information internally. There is no need for application - * to re-send SCSI READ CAPACITY 10 command - */ -tusb_error_t tuh_msc_get_capacity(uint8_t dev_addr, uint32_t* p_last_lba, uint32_t* p_block_size); +// Carry out SCSI INQUIRY command in non-blocking manner. +bool tuh_msc_scsi_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* response, tuh_msc_complete_cb_t complete_cb); + +// Carry out SCSI REQUEST SENSE (10) command in non-blocking manner. +bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_t complete_cb); +// Carry out SCSI REQUEST SENSE (10) command in non-blocking manner. +bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *resposne, tuh_msc_complete_cb_t complete_cb); + +// Carry out SCSI READ CAPACITY (10) command in non-blocking manner. +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); + +#if 0 /** \brief Perform SCSI READ 10 command to read data from MassStorage device * \param[in] dev_addr device address * \param[in] lun Targeted Logical Unit @@ -116,84 +109,24 @@ tusb_error_t tuh_msc_read10 (uint8_t dev_addr, uint8_t lun, void * p_buffer, uin * \note This function is non-blocking and returns immediately. The result of USB transfer will be reported by the interface's callback function */ tusb_error_t tuh_msc_write10(uint8_t dev_addr, uint8_t lun, void const * p_buffer, uint32_t lba, uint16_t block_count); - -/** \brief Perform SCSI REQUEST SENSE command, used to retrieve sense data from MassStorage device - * \param[in] dev_addr device address - * \param[in] lun Targeted Logical Unit - * \param[in] p_data Buffer to store response's data from device. Must be accessible by USB controller (see \ref CFG_TUSB_MEM_SECTION) - * \retval TUSB_ERROR_NONE on success - * \retval TUSB_ERROR_INTERFACE_IS_BUSY if the interface is already transferring data with device - * \retval TUSB_ERROR_DEVICE_NOT_READY if device is not yet configured (by SET CONFIGURED request) - * \retval TUSB_ERROR_INVALID_PARA if input parameters are not correct - * \note This function is non-blocking and returns immediately. The result of USB transfer will be reported by the interface's callback function - */ -tusb_error_t tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, uint8_t *p_data); - -/** \brief Perform SCSI TEST UNIT READY command to test if MassStorage device is ready - * \param[in] dev_addr device address - * \param[in] lun Targeted Logical Unit - * \retval TUSB_ERROR_NONE on success - * \retval TUSB_ERROR_INTERFACE_IS_BUSY if the interface is already transferring data with device - * \retval TUSB_ERROR_DEVICE_NOT_READY if device is not yet configured (by SET CONFIGURED request) - * \retval TUSB_ERROR_INVALID_PARA if input parameters are not correct - * \note This function is non-blocking and returns immediately. The result of USB transfer will be reported by the interface's callback function - */ -tusb_error_t tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, msc_csw_t * p_csw); // TODO to be refractor - -//tusb_error_t tusbh_msc_scsi_send(uint8_t dev_addr, uint8_t lun, bool is_direction_in, -// uint8_t const * p_command, uint8_t cmd_len, -// uint8_t * p_response, uint32_t resp_len); +#endif //------------- Application Callback -------------// -/** \brief Callback function that will be invoked when a device with MassStorage interface is mounted - * \param[in] dev_addr Address of newly mounted device - * \note This callback should be used by Application to set-up interface-related data - */ + +// Invoked when a device with MassStorage interface is mounted void tuh_msc_mounted_cb(uint8_t dev_addr); -/** \brief Callback function that will be invoked when a device with MassStorage interface is unmounted - * \param[in] dev_addr Address of newly unmounted device - * \note This callback should be used by Application to tear-down interface-related data - */ +// Invoked when a device with MassStorage interface is unmounted void tuh_msc_unmounted_cb(uint8_t dev_addr); -/** \brief Callback function that is invoked when an transferring event occurred - * \param[in] dev_addr Address of device - * \param[in] event an value from \ref xfer_result_t - * \param[in] xferred_bytes Number of bytes transferred via USB bus - * \note event can be one of following - * - XFER_RESULT_SUCCESS : previously scheduled transfer completes successfully. - * - XFER_RESULT_FAILED : previously scheduled transfer encountered a transaction error. - * - XFER_RESULT_STALLED : previously scheduled transfer is stalled by device. - * \note - */ -void tuh_msc_isr(uint8_t dev_addr, xfer_result_t event, uint32_t xferred_bytes); - - //--------------------------------------------------------------------+ // Internal Class Driver API //--------------------------------------------------------------------+ -typedef struct -{ - uint8_t itf_num; - uint8_t ep_in; - uint8_t ep_out; - - uint8_t max_lun; - uint16_t block_size; - uint32_t last_lba; // last logical block address - - volatile bool is_initialized; - uint8_t vendor_id[8]; - uint8_t product_id[16]; - - msc_cbw_t cbw; - msc_csw_t csw; -}msch_interface_t; void msch_init(void); bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length); -void msch_isr(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes); +bool msch_set_config(uint8_t dev_addr, uint8_t itf_num); +bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes); void msch_close(uint8_t dev_addr); #ifdef __cplusplus |