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-rw-r--r--src/class/msc/msc_host.c409
1 files changed, 210 insertions, 199 deletions
diff --git a/src/class/msc/msc_host.c b/src/class/msc/msc_host.c
index 934f79ff7..ef0635bbe 100644
--- a/src/class/msc/msc_host.c
+++ b/src/class/msc/msc_host.c
@@ -1,4 +1,4 @@
-/*
+/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -29,124 +29,129 @@
#if CFG_TUH_ENABLED && CFG_TUH_MSC
#include "host/usbh.h"
-#include "host/usbh_classdriver.h"
+#include "host/usbh_pvt.h"
#include "msc_host.h"
+// Level where CFG_TUSB_DEBUG must be at least for this driver is logged
+#ifndef CFG_TUH_MSC_LOG_LEVEL
+ #define CFG_TUH_MSC_LOG_LEVEL CFG_TUH_LOG_LEVEL
+#endif
+
+#define TU_LOG_DRV(...) TU_LOG(CFG_TUH_MSC_LOG_LEVEL, __VA_ARGS__)
+
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
-enum
-{
+enum {
MSC_STAGE_IDLE = 0,
MSC_STAGE_CMD,
MSC_STAGE_DATA,
MSC_STAGE_STATUS,
};
-typedef struct
-{
+typedef struct {
uint8_t itf_num;
uint8_t ep_in;
uint8_t ep_out;
-
uint8_t max_lun;
volatile bool configured; // Receive SET_CONFIGURE
volatile bool mounted; // Enumeration is complete
+ // SCSI command data
+ uint8_t stage;
+ void* buffer;
+ tuh_msc_complete_cb_t complete_cb;
+ uintptr_t complete_arg;
+
struct {
uint32_t block_size;
uint32_t block_count;
} capacity[CFG_TUH_MSC_MAXLUN];
+} msch_interface_t;
- //------------- SCSI -------------//
- uint8_t stage;
- void* buffer;
- tuh_msc_complete_cb_t complete_cb;
-
- msc_cbw_t cbw;
- msc_csw_t csw;
-}msch_interface_t;
+typedef struct {
+ TUH_EPBUF_TYPE_DEF(msc_cbw_t, cbw);
+ TUH_EPBUF_TYPE_DEF(msc_csw_t, csw);
+} msch_epbuf_t;
-CFG_TUSB_MEM_SECTION static msch_interface_t _msch_itf[CFG_TUH_DEVICE_MAX];
+static msch_interface_t _msch_itf[CFG_TUH_DEVICE_MAX];
+CFG_TUH_MEM_SECTION static msch_epbuf_t _msch_epbuf[CFG_TUH_DEVICE_MAX];
-// buffer used to read scsi information when mounted
-// largest response data currently is inquiry TODO Inquiry is not part of enum anymore
-CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(4)
-static uint8_t _msch_buffer[sizeof(scsi_inquiry_resp_t)];
+TU_ATTR_ALWAYS_INLINE static inline msch_interface_t* get_itf(uint8_t daddr) {
+ return &_msch_itf[daddr - 1];
+}
-TU_ATTR_ALWAYS_INLINE
-static inline msch_interface_t* get_itf(uint8_t dev_addr)
-{
- return &_msch_itf[dev_addr-1];
+TU_ATTR_ALWAYS_INLINE static inline msch_epbuf_t* get_epbuf(uint8_t daddr) {
+ return &_msch_epbuf[daddr - 1];
}
//--------------------------------------------------------------------+
// PUBLIC API
//--------------------------------------------------------------------+
-uint8_t tuh_msc_get_maxlun(uint8_t dev_addr)
-{
+uint8_t tuh_msc_get_maxlun(uint8_t dev_addr) {
msch_interface_t* p_msc = get_itf(dev_addr);
return p_msc->max_lun;
}
-uint32_t tuh_msc_get_block_count(uint8_t dev_addr, uint8_t lun)
-{
+uint32_t tuh_msc_get_block_count(uint8_t dev_addr, uint8_t lun) {
msch_interface_t* p_msc = get_itf(dev_addr);
return p_msc->capacity[lun].block_count;
}
-uint32_t tuh_msc_get_block_size(uint8_t dev_addr, uint8_t lun)
-{
+uint32_t tuh_msc_get_block_size(uint8_t dev_addr, uint8_t lun) {
msch_interface_t* p_msc = get_itf(dev_addr);
return p_msc->capacity[lun].block_size;
}
-bool tuh_msc_mounted(uint8_t dev_addr)
-{
+bool tuh_msc_mounted(uint8_t dev_addr) {
msch_interface_t* p_msc = get_itf(dev_addr);
return p_msc->mounted;
}
-bool tuh_msc_ready(uint8_t dev_addr)
-{
+bool tuh_msc_ready(uint8_t dev_addr) {
msch_interface_t* p_msc = get_itf(dev_addr);
- return p_msc->mounted && !usbh_edpt_busy(dev_addr, p_msc->ep_in);
+ return p_msc->mounted && !usbh_edpt_busy(dev_addr, p_msc->ep_in) && !usbh_edpt_busy(dev_addr, p_msc->ep_out);
}
//--------------------------------------------------------------------+
// PUBLIC API: SCSI COMMAND
//--------------------------------------------------------------------+
-static inline void cbw_init(msc_cbw_t *cbw, uint8_t lun)
-{
+static inline void cbw_init(msc_cbw_t* cbw, uint8_t lun) {
tu_memclr(cbw, sizeof(msc_cbw_t));
cbw->signature = MSC_CBW_SIGNATURE;
cbw->tag = 0x54555342; // TUSB
cbw->lun = 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 = get_itf(dev_addr);
+bool tuh_msc_scsi_command(uint8_t daddr, msc_cbw_t const* cbw, void* data,
+ tuh_msc_complete_cb_t complete_cb, uintptr_t arg) {
+ msch_interface_t* p_msc = get_itf(daddr);
TU_VERIFY(p_msc->configured);
- // TODO claim endpoint
+ // claim endpoint
+ TU_VERIFY(usbh_edpt_claim(daddr, p_msc->ep_out));
+ msch_epbuf_t* epbuf = get_epbuf(daddr);
- p_msc->cbw = *cbw;
- p_msc->stage = MSC_STAGE_CMD;
+ epbuf->cbw = *cbw;
p_msc->buffer = data;
p_msc->complete_cb = complete_cb;
+ p_msc->complete_arg = arg;
+ p_msc->stage = MSC_STAGE_CMD;
- TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_out, (uint8_t*) &p_msc->cbw, sizeof(msc_cbw_t)));
+ if (!usbh_edpt_xfer(daddr, p_msc->ep_out, (uint8_t*) &epbuf->cbw, sizeof(msc_cbw_t))) {
+ usbh_edpt_release(daddr, p_msc->ep_out);
+ return false;
+ }
return true;
}
-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);
- TU_VERIFY(p_msc->configured);
+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, uintptr_t arg) {
+ msch_interface_t* p_msc = get_itf(dev_addr);
+ TU_VERIFY(p_msc->configured);
msc_cbw_t cbw;
cbw_init(&cbw, lun);
@@ -156,11 +161,11 @@ 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;
- return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb);
+ return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb, arg);
}
-bool tuh_msc_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* response, tuh_msc_complete_cb_t complete_cb)
-{
+bool tuh_msc_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* response,
+ tuh_msc_complete_cb_t complete_cb, uintptr_t arg) {
msch_interface_t* p_msc = get_itf(dev_addr);
TU_VERIFY(p_msc->mounted);
@@ -171,18 +176,16 @@ bool tuh_msc_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* respons
cbw.dir = TUSB_DIR_IN_MASK;
cbw.cmd_len = sizeof(scsi_inquiry_t);
- scsi_inquiry_t const cmd_inquiry =
- {
- .cmd_code = SCSI_CMD_INQUIRY,
- .alloc_length = sizeof(scsi_inquiry_resp_t)
+ scsi_inquiry_t const cmd_inquiry = {
+ .cmd_code = SCSI_CMD_INQUIRY,
+ .alloc_length = sizeof(scsi_inquiry_resp_t)
};
memcpy(cbw.command, &cmd_inquiry, cbw.cmd_len);
- return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb);
+ return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb, arg);
}
-bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_t complete_cb)
-{
+bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_t complete_cb, uintptr_t arg) {
msch_interface_t* p_msc = get_itf(dev_addr);
TU_VERIFY(p_msc->configured);
@@ -190,16 +193,16 @@ bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_
cbw_init(&cbw, lun);
cbw.total_bytes = 0;
- 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
+ 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
- return tuh_msc_scsi_command(dev_addr, &cbw, NULL, complete_cb);
+ return tuh_msc_scsi_command(dev_addr, &cbw, NULL, complete_cb, arg);
}
-bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *resposne, tuh_msc_complete_cb_t complete_cb)
-{
+bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void* response,
+ tuh_msc_complete_cb_t complete_cb, uintptr_t arg) {
msc_cbw_t cbw;
cbw_init(&cbw, lun);
@@ -207,73 +210,64 @@ bool tuh_msc_request_sense(uint8_t dev_addr, uint8_t lun, void *resposne, tuh_ms
cbw.dir = TUSB_DIR_IN_MASK;
cbw.cmd_len = sizeof(scsi_request_sense_t);
- scsi_request_sense_t const cmd_request_sense =
- {
- .cmd_code = SCSI_CMD_REQUEST_SENSE,
- .alloc_length = 18
+ scsi_request_sense_t const cmd_request_sense = {
+ .cmd_code = SCSI_CMD_REQUEST_SENSE,
+ .alloc_length = 18
};
-
memcpy(cbw.command, &cmd_request_sense, cbw.cmd_len);
- return tuh_msc_scsi_command(dev_addr, &cbw, resposne, complete_cb);
+ return tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb, arg);
}
-bool tuh_msc_read10(uint8_t dev_addr, uint8_t lun, void * buffer, uint32_t lba, uint16_t block_count, tuh_msc_complete_cb_t complete_cb)
-{
+bool tuh_msc_read10(uint8_t dev_addr, uint8_t lun, void* buffer, uint32_t lba, uint16_t block_count,
+ tuh_msc_complete_cb_t complete_cb, uintptr_t arg) {
msch_interface_t* p_msc = get_itf(dev_addr);
TU_VERIFY(p_msc->mounted);
msc_cbw_t cbw;
cbw_init(&cbw, lun);
-
- cbw.total_bytes = block_count*p_msc->capacity[lun].block_size;
- cbw.dir = TUSB_DIR_IN_MASK;
- cbw.cmd_len = sizeof(scsi_read10_t);
-
- scsi_read10_t const cmd_read10 =
- {
- .cmd_code = SCSI_CMD_READ_10,
- .lba = tu_htonl(lba),
- .block_count = tu_htons(block_count)
+
+ cbw.total_bytes = block_count * p_msc->capacity[lun].block_size;
+ cbw.dir = TUSB_DIR_IN_MASK;
+ cbw.cmd_len = sizeof(scsi_read10_t);
+
+ scsi_read10_t const cmd_read10 = {
+ .cmd_code = SCSI_CMD_READ_10,
+ .lba = tu_htonl(lba),
+ .block_count = tu_htons(block_count)
};
-
memcpy(cbw.command, &cmd_read10, cbw.cmd_len);
-
- return tuh_msc_scsi_command(dev_addr, &cbw, buffer, complete_cb);
+
+ return tuh_msc_scsi_command(dev_addr, &cbw, buffer, complete_cb, arg);
}
-
-bool tuh_msc_write10(uint8_t dev_addr, uint8_t lun, void const * buffer, uint32_t lba, uint16_t block_count, tuh_msc_complete_cb_t complete_cb)
-{
+
+bool tuh_msc_write10(uint8_t dev_addr, uint8_t lun, void const* buffer, uint32_t lba, uint16_t block_count,
+ tuh_msc_complete_cb_t complete_cb, uintptr_t arg) {
msch_interface_t* p_msc = get_itf(dev_addr);
TU_VERIFY(p_msc->mounted);
msc_cbw_t cbw;
cbw_init(&cbw, lun);
- cbw.total_bytes = block_count*p_msc->capacity[lun].block_size;
+ cbw.total_bytes = block_count * p_msc->capacity[lun].block_size;
cbw.dir = TUSB_DIR_OUT;
cbw.cmd_len = sizeof(scsi_write10_t);
- scsi_write10_t const cmd_write10 =
- {
- .cmd_code = SCSI_CMD_WRITE_10,
- .lba = tu_htonl(lba),
- .block_count = tu_htons(block_count)
+ scsi_write10_t const cmd_write10 = {
+ .cmd_code = SCSI_CMD_WRITE_10,
+ .lba = tu_htonl(lba),
+ .block_count = tu_htons(block_count)
};
-
memcpy(cbw.command, &cmd_write10, cbw.cmd_len);
- return tuh_msc_scsi_command(dev_addr, &cbw, (void*)(uintptr_t) buffer, complete_cb);
+ return tuh_msc_scsi_command(dev_addr, &cbw, (void*) (uintptr_t) buffer, complete_cb, arg);
}
#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 =
- {
+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
@@ -290,65 +284,78 @@ bool tuh_msc_reset(uint8_t dev_addr)
//--------------------------------------------------------------------+
// CLASS-USBH API
//--------------------------------------------------------------------+
-void msch_init(void)
-{
+bool msch_init(void) {
+ TU_LOG_DRV("sizeof(msch_interface_t) = %u\r\n", sizeof(msch_interface_t));
+ TU_LOG_DRV("sizeof(msch_epbuf_t) = %u\r\n", sizeof(msch_epbuf_t));
tu_memclr(_msch_itf, sizeof(_msch_itf));
+ return true;
}
-void msch_close(uint8_t dev_addr)
-{
- TU_VERIFY(dev_addr <= CFG_TUH_DEVICE_MAX, );
+bool msch_deinit(void) {
+ return true;
+}
+void msch_close(uint8_t dev_addr) {
+ TU_VERIFY(dev_addr <= CFG_TUH_DEVICE_MAX,);
msch_interface_t* p_msc = get_itf(dev_addr);
+ TU_VERIFY(p_msc->configured,);
+
+ TU_LOG_DRV(" MSCh close addr = %d\r\n", dev_addr);
// invoke Application Callback
- if (p_msc->mounted && tuh_msc_umount_cb) tuh_msc_umount_cb(dev_addr);
+ if (p_msc->mounted) {
+ if (tuh_msc_umount_cb) {
+ tuh_msc_umount_cb(dev_addr);
+ }
+ }
tu_memclr(p_msc, sizeof(msch_interface_t));
}
-bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
-{
+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;
+ msch_epbuf_t* epbuf = get_epbuf(dev_addr);
+ msc_cbw_t const * cbw = &epbuf->cbw;
+ msc_csw_t * csw = &epbuf->csw;
- switch (p_msc->stage)
- {
+ 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 )
- {
+ 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, (uint16_t) 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, (uint16_t) sizeof(msc_csw_t)));
+ break;
}
- break;
+
+ TU_ATTR_FALLTHROUGH; // fallthrough to status stage
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, (uint16_t) sizeof(msc_csw_t)));
- break;
+ TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_in, (uint8_t*) csw, (uint16_t) 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;
+ if (p_msc->complete_cb) {
+ tuh_msc_complete_data_t const cb_data = {
+ .cbw = cbw,
+ .csw = csw,
+ .scsi_data = p_msc->buffer,
+ .user_arg = p_msc->complete_arg
+ };
+ p_msc->complete_cb(dev_addr, &cb_data);
+ }
+ break;
- // unknown state
- default: break;
+ // unknown state
+ default:
+ break;
}
return true;
@@ -357,39 +364,35 @@ bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32
//--------------------------------------------------------------------+
// MSC Enumeration
//--------------------------------------------------------------------+
+static void config_get_maxlun_complete(tuh_xfer_t* xfer);
+static bool config_test_unit_ready_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data);
+static bool config_request_sense_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data);
+static bool config_read_capacity_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data);
-static void config_get_maxlun_complete (tuh_xfer_t* xfer);
-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);
-static bool config_read_capacity_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 *desc_itf, uint16_t max_len)
-{
+bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const* desc_itf, uint16_t max_len) {
(void) rhport;
TU_VERIFY (MSC_SUBCLASS_SCSI == desc_itf->bInterfaceSubClass &&
- MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol);
+ MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol);
// msc driver length is fixed
- uint16_t const drv_len = (uint16_t) (sizeof(tusb_desc_interface_t) + desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
+ uint16_t const drv_len = (uint16_t) (sizeof(tusb_desc_interface_t) +
+ desc_itf->bNumEndpoints * sizeof(tusb_desc_endpoint_t));
TU_ASSERT(drv_len <= max_len);
msch_interface_t* p_msc = get_itf(dev_addr);
- tusb_desc_endpoint_t const * ep_desc = (tusb_desc_endpoint_t const *) tu_desc_next(desc_itf);
+ tusb_desc_endpoint_t const* ep_desc = (tusb_desc_endpoint_t const*) tu_desc_next(desc_itf);
- for(uint32_t i=0; i<2; i++)
- {
+ for (uint32_t i = 0; i < 2; i++) {
TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
TU_ASSERT(tuh_edpt_open(dev_addr, ep_desc));
- if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN )
- {
+ if (TUSB_DIR_IN == tu_edpt_dir(ep_desc->bEndpointAddress)) {
p_msc->ep_in = ep_desc->bEndpointAddress;
- }else
- {
+ } else {
p_msc->ep_out = ep_desc->bEndpointAddress;
}
- ep_desc = (tusb_desc_endpoint_t const *) tu_desc_next(ep_desc);
+ ep_desc = (tusb_desc_endpoint_t const*) tu_desc_next(ep_desc);
}
p_msc->itf_num = desc_itf->bInterfaceNumber;
@@ -397,98 +400,106 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de
return true;
}
-bool msch_set_config(uint8_t dev_addr, uint8_t itf_num)
-{
- msch_interface_t* p_msc = get_itf(dev_addr);
+bool msch_set_config(uint8_t daddr, uint8_t itf_num) {
+ msch_interface_t* p_msc = get_itf(daddr);
TU_ASSERT(p_msc->itf_num == itf_num);
-
p_msc->configured = true;
//------------- Get Max Lun -------------//
- TU_LOG2("MSC Get Max Lun\r\n");
- tusb_control_request_t const 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 = itf_num,
- .wLength = 1
+ TU_LOG_DRV("MSC Get Max Lun\r\n");
+ tusb_control_request_t const 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 = itf_num,
+ .wLength = 1
};
- tuh_xfer_t xfer =
- {
- .daddr = dev_addr,
- .ep_addr = 0,
- .setup = &request,
- .buffer = &p_msc->max_lun,
- .complete_cb = config_get_maxlun_complete,
- .user_data = 0
+ uint8_t* enum_buf = usbh_get_enum_buf();
+ tuh_xfer_t xfer = {
+ .daddr = daddr,
+ .ep_addr = 0,
+ .setup = &request,
+ .buffer = enum_buf,
+ .complete_cb = config_get_maxlun_complete,
+ .user_data = 0
};
TU_ASSERT(tuh_control_xfer(&xfer));
return true;
}
-static void config_get_maxlun_complete (tuh_xfer_t* xfer)
-{
+static void config_get_maxlun_complete(tuh_xfer_t* xfer) {
uint8_t const daddr = xfer->daddr;
msch_interface_t* p_msc = get_itf(daddr);
- // STALL means zero
- p_msc->max_lun = (XFER_RESULT_SUCCESS == xfer->result) ? _msch_buffer[0] : 0;
- p_msc->max_lun++; // MAX LUN is minus 1 by specs
+ // MAXLUN's response is minus 1 by specs, STALL means 1
+ if (XFER_RESULT_SUCCESS == xfer->result) {
+ uint8_t* enum_buf = usbh_get_enum_buf();
+ p_msc->max_lun = enum_buf[0] + 1;
+ } else {
+ p_msc->max_lun = 1;
+ }
+
+ TU_LOG_DRV(" Max LUN = %u\r\n", p_msc->max_lun);
// TODO multiple LUN support
- TU_LOG2("SCSI Test Unit Ready\r\n");
+ TU_LOG_DRV("SCSI Test Unit Ready\r\n");
uint8_t const lun = 0;
- tuh_msc_test_unit_ready(daddr, lun, config_test_unit_ready_complete);
+ tuh_msc_test_unit_ready(daddr, lun, config_test_unit_ready_complete, 0);
}
-static bool config_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw)
-{
- if (csw->status == 0)
- {
+static bool config_test_unit_ready_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data) {
+ msc_cbw_t const* cbw = cb_data->cbw;
+ msc_csw_t const* csw = cb_data->csw;
+ uint8_t* enum_buf = usbh_get_enum_buf();
+
+ if (csw->status == 0) {
// Unit is ready, read its capacity
- TU_LOG2("SCSI Read Capacity\r\n");
- tuh_msc_read_capacity(dev_addr, cbw->lun, (scsi_read_capacity10_resp_t*) ((void*) _msch_buffer), config_read_capacity_complete);
- }else
- {
+ TU_LOG_DRV("SCSI Read Capacity\r\n");
+ tuh_msc_read_capacity(dev_addr, cbw->lun, (scsi_read_capacity10_resp_t*) (uintptr_t) enum_buf,
+ config_read_capacity_complete, 0);
+ } 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_LOG2("SCSI Request Sense\r\n");
- TU_ASSERT(tuh_msc_request_sense(dev_addr, cbw->lun, _msch_buffer, config_request_sense_complete));
+ TU_LOG_DRV("SCSI Request Sense\r\n");
+ TU_ASSERT(tuh_msc_request_sense(dev_addr, cbw->lun, enum_buf, config_request_sense_complete, 0));
}
return true;
}
-static bool config_request_sense_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, tuh_msc_complete_data_t const* cb_data) {
+ msc_cbw_t const* cbw = cb_data->cbw;
+ msc_csw_t const* csw = cb_data->csw;
+
TU_ASSERT(csw->status == 0);
- TU_ASSERT(tuh_msc_test_unit_ready(dev_addr, cbw->lun, config_test_unit_ready_complete));
+ TU_ASSERT(tuh_msc_test_unit_ready(dev_addr, cbw->lun, config_test_unit_ready_complete, 0));
return true;
}
-static bool config_read_capacity_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw)
-{
+static bool config_read_capacity_complete(uint8_t dev_addr, tuh_msc_complete_data_t const* cb_data) {
+ msc_cbw_t const* cbw = cb_data->cbw;
+ msc_csw_t const* csw = cb_data->csw;
TU_ASSERT(csw->status == 0);
-
msch_interface_t* p_msc = get_itf(dev_addr);
+ uint8_t* enum_buf = usbh_get_enum_buf();
// Capacity response field: Block size and Last LBA are both Big-Endian
- scsi_read_capacity10_resp_t* resp = (scsi_read_capacity10_resp_t*) ((void*) _msch_buffer);
+ scsi_read_capacity10_resp_t* resp = (scsi_read_capacity10_resp_t*) (uintptr_t) enum_buf;
p_msc->capacity[cbw->lun].block_count = tu_ntohl(resp->last_lba) + 1;
p_msc->capacity[cbw->lun].block_size = tu_ntohl(resp->block_size);
// Mark enumeration is complete
p_msc->mounted = true;
- if (tuh_msc_mount_cb) tuh_msc_mount_cb(dev_addr);
+ if (tuh_msc_mount_cb) {
+ tuh_msc_mount_cb(dev_addr);
+ }
// notify usbh that driver enumeration is complete
usbh_driver_set_config_complete(dev_addr, p_msc->itf_num);
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-31 08:11:16 +0000