diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/usbtmc/usbtmc_device.c | 36 | ||||
| -rw-r--r-- | src/class/usbtmc/usbtmc_device.h | 12 |
2 files changed, 30 insertions, 18 deletions
diff --git a/src/class/usbtmc/usbtmc_device.c b/src/class/usbtmc/usbtmc_device.c index f0b74fe38..927ac8ecf 100644 --- a/src/class/usbtmc/usbtmc_device.c +++ b/src/class/usbtmc/usbtmc_device.c @@ -114,6 +114,13 @@ typedef enum STATE_NUM_STATES } usbtmcd_state_enum; +#if (CFG_TUD_USBTMC_ENABLE_488) + typedef usbtmc_response_capabilities_488_t usbtmc_capabilities_specific_t; +#else + typedef usbtmc_response_capabilities_t usbtmc_capabilities_specific_t; +#endif + + typedef struct { volatile usbtmcd_state_enum state; @@ -135,6 +142,8 @@ typedef struct uint8_t lastBulkInTag; // used for aborts (mostly) uint8_t const * devInBuffer; // pointer to application-layer used for transmissions + + usbtmc_capabilities_specific_t const * capabilities; } usbtmc_interface_state_t; static usbtmc_interface_state_t usbtmc_state = @@ -199,7 +208,7 @@ bool tud_usbtmc_transmit_dev_msg_data( TU_ASSERT(usbtmc_state.transfer_size_sent == 0u); if(usingTermChar) { - TU_ASSERT(tud_usbtmc_app_capabilities.bmDevCapabilities.canEndBulkInOnTermChar); + TU_ASSERT(usbtmc_state.capabilities->bmDevCapabilities.canEndBulkInOnTermChar); TU_ASSERT(termCharRequested); TU_ASSERT(((uint8_t*)data)[len-1u] == termChar); } @@ -235,15 +244,16 @@ bool tud_usbtmc_transmit_dev_msg_data( void usbtmcd_init_cb(void) { + usbtmc_state.capabilities = tud_usbtmc_get_capabilities_cb(); #ifndef NDEBUG # if CFG_TUD_USBTMC_ENABLE_488 - if(tud_usbtmc_app_capabilities.bmIntfcCapabilities488.supportsTrigger) + if(usbtmc_state.capabilities->bmIntfcCapabilities488.supportsTrigger) TU_ASSERT(&tud_usbtmc_app_msg_trigger_cb != NULL,); // Per USB488 spec: table 8 - TU_ASSERT(!tud_usbtmc_app_capabilities.bmIntfcCapabilities.listenOnly,); - TU_ASSERT(!tud_usbtmc_app_capabilities.bmIntfcCapabilities.talkOnly,); + TU_ASSERT(!usbtmc_state.capabilities->bmIntfcCapabilities.listenOnly,); + TU_ASSERT(!usbtmc_state.capabilities->bmIntfcCapabilities.talkOnly,); # endif - if(tud_usbtmc_app_capabilities.bmIntfcCapabilities.supportsIndicatorPulse) + if(usbtmc_state.capabilities->bmIntfcCapabilities.supportsIndicatorPulse) TU_ASSERT(&tud_usbtmc_app_indicator_pulse_cb != NULL,); #endif @@ -317,8 +327,8 @@ bool usbtmcd_open_cb(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uin TU_ASSERT(usbtmc_state.ep_int_in != 0); } #if (CFG_TUD_USBTMC_ENABLE_488) - if(tud_usbtmc_app_capabilities.bmIntfcCapabilities488.is488_2 || - tud_usbtmc_app_capabilities.bmDevCapabilities488.SR1) + if(usbtmc_state.capabilities->bmIntfcCapabilities488.is488_2 || + usbtmc_state.capabilities->bmDevCapabilities488.SR1) { TU_ASSERT(usbtmc_state.ep_int_in != 0); } @@ -358,9 +368,11 @@ bool tud_usbtmc_start_bus_read() void usbtmcd_reset_cb(uint8_t rhport) { (void)rhport; + usbtmc_capabilities_specific_t const * capabilities = tud_usbtmc_get_capabilities_cb(); criticalEnter(); tu_varclr(&usbtmc_state); + usbtmc_state.capabilities = capabilities; usbtmc_state.itf_id = 0xFFu; criticalLeave(); } @@ -428,7 +440,7 @@ static bool handle_devMsgIn(void *data, size_t len) termChar = msg->TermChar; if(termCharRequested) - TU_VERIFY(tud_usbtmc_app_capabilities.bmDevCapabilities.canEndBulkInOnTermChar); + TU_VERIFY(usbtmc_state.capabilities->bmDevCapabilities.canEndBulkInOnTermChar); TU_VERIFY(tud_usbtmc_app_msgBulkIn_request_cb(msg)); return true; @@ -471,7 +483,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint #if (CFG_TUD_USBTMC_ENABLE_488) case USBTMC_MSGID_USB488_TRIGGER: // Spec says we halt the EP if we didn't declare we support it. - TU_VERIFY(tud_usbtmc_app_capabilities.bmIntfcCapabilities488.supportsTrigger); + TU_VERIFY(usbtmc_state.capabilities->bmIntfcCapabilities488.supportsTrigger); TU_VERIFY(tud_usbtmc_app_msg_trigger_cb(msg)); break; @@ -768,8 +780,8 @@ bool usbtmcd_control_request_cb(uint8_t rhport, tusb_control_request_t const * r case USBTMC_bREQUEST_GET_CAPABILITIES: { TU_VERIFY(request->bmRequestType == 0xA1); // in,class,interface - TU_VERIFY(request->wLength == sizeof(tud_usbtmc_app_capabilities)); - TU_VERIFY(tud_control_xfer(rhport, request, (void*)&tud_usbtmc_app_capabilities, sizeof(tud_usbtmc_app_capabilities))); + TU_VERIFY(request->wLength == sizeof(*(usbtmc_state.capabilities))); + TU_VERIFY(tud_control_xfer(rhport, request, (void*)usbtmc_state.capabilities, sizeof(*usbtmc_state.capabilities))); return true; } // USBTMC Optional Requests @@ -778,7 +790,7 @@ bool usbtmcd_control_request_cb(uint8_t rhport, tusb_control_request_t const * r { TU_VERIFY(request->bmRequestType == 0xA1); // in,class,interface TU_VERIFY(request->wLength == sizeof(tmcStatusCode)); - TU_VERIFY(tud_usbtmc_app_capabilities.bmIntfcCapabilities.supportsIndicatorPulse); + TU_VERIFY(usbtmc_state.capabilities->bmIntfcCapabilities.supportsIndicatorPulse); TU_VERIFY(tud_usbtmc_app_indicator_pulse_cb(request, &tmcStatusCode)); TU_VERIFY(tud_control_xfer(rhport, request, (void*)&tmcStatusCode, sizeof(tmcStatusCode))); return true; diff --git a/src/class/usbtmc/usbtmc_device.h b/src/class/usbtmc/usbtmc_device.h index 9f1020e58..adccd65e1 100644 --- a/src/class/usbtmc/usbtmc_device.h +++ b/src/class/usbtmc/usbtmc_device.h @@ -49,12 +49,6 @@ * Functions to be implemeted by the class implementation */ -#if (CFG_TUD_USBTMC_ENABLE_488) -extern usbtmc_response_capabilities_488_t const tud_usbtmc_app_capabilities; -#else -extern usbtmc_response_capabilities_t const tud_usbtmc_app_capabilities; -#endif - // In order to proceed, app must call call tud_usbtmc_start_bus_read(rhport) during or soon after: // * tud_usbtmc_app_open_cb // * tud_usbtmc_app_msg_data_cb @@ -64,6 +58,12 @@ extern usbtmc_response_capabilities_t const tud_usbtmc_app_capabilities; // * (successful) tud_usbtmc_app_check_abort_bulk_in_cb // * (successful) tud_usmtmc_app_bulkOut_clearFeature_cb +#if (CFG_TUD_USBTMC_ENABLE_488) +usbtmc_response_capabilities_488_t const * tud_usbtmc_get_capabilities_cb(void); +#else +usbtmc_response_capabilities_t const * tud_usbtmc_get_capabilities_cb(void); +#endif + void tud_usbtmc_app_open_cb(uint8_t interface_id); bool tud_usbtmc_app_msgBulkOut_start_cb(usbtmc_msg_request_dev_dep_out const * msgHeader); |