add mutex support for osal

add test for mutex in test_osal_none.c
implement usbh_control_xfer using mutex to get access to queue xfer on control pipe
(while semaphore is used to sync with hcd DMA)
failed to issue control xfer: set idle & get report descriptor in hidh_open_subtask (more to work on)
This commit is contained in:
hathach 2013-06-27 16:19:22 +07:00
parent c81c4bb817
commit 3bca56665c
11 changed files with 270 additions and 29 deletions

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@ -151,7 +151,7 @@ const app_configuration_desc_t desc_configuration =
.bDescriptorType = TUSB_DESC_TYPE_CONFIGURATION,
.wTotalLength = sizeof(app_configuration_desc_t) - 1, // exclude termination
.bNumInterfaces = 1,
.bNumInterfaces = 3,
.bConfigurationValue = 1,
.iConfiguration = 0x00,

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@ -58,6 +58,7 @@ static inline void helper_usbh_init_expect(void)
osal_semaphore_create_IgnoreAndReturn( (osal_semaphore_handle_t) 0x1234);
osal_task_create_IgnoreAndReturn(TUSB_ERROR_NONE);
osal_queue_create_IgnoreAndReturn( (osal_queue_handle_t) 0x4566 );
osal_mutex_create_IgnoreAndReturn((osal_mutex_handle_t) 0x789a);
}
static inline void helper_usbh_device_emulate(uint8_t dev_addr, uint8_t hub_addr, uint8_t hub_port, uint8_t hostid, tusb_speed_t speed)

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@ -50,7 +50,6 @@
extern usbh_device_info_t usbh_devices[TUSB_CFG_HOST_DEVICE_MAX+1];
extern uint8_t enum_data_buffer[TUSB_CFG_HOST_ENUM_BUFFER_SIZE];
uint8_t dev_addr;
usbh_enumerate_t const enum_connect = {
.core_id = 0,
@ -70,12 +69,15 @@ void setUp(void)
osal_queue_receive_StubWithCallback(queue_recv_stub);
osal_semaphore_wait_StubWithCallback(semaphore_wait_success_stub);
osal_mutex_wait_StubWithCallback(semaphore_wait_success_stub);
osal_mutex_release_IgnoreAndReturn(TUSB_ERROR_NONE);
hcd_pipe_control_xfer_StubWithCallback(control_xfer_stub);
hcd_port_connect_status_ExpectAndReturn(enum_connect.core_id, true);
hcd_port_reset_Expect(enum_connect.core_id);
hcd_port_speed_get_ExpectAndReturn(enum_connect.core_id, device_speed);
osal_semaphore_reset_Expect( usbh_devices[0].control.sem_hdl );
osal_mutex_reset_Expect( usbh_devices[0].control.mutex_hdl );
hcd_pipe_control_open_ExpectAndReturn(0, 8, TUSB_ERROR_NONE);
}
@ -172,6 +174,7 @@ tusb_error_t hidh_install_stub(uint8_t dev_addr, tusb_descriptor_interface_t con
void test_addr0_failed_dev_desc(void)
{
osal_semaphore_wait_StubWithCallback(semaphore_wait_timeout_stub(0));
tusbh_device_mount_failed_cb_Expect(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL);
usbh_enumeration_task(NULL);
@ -199,6 +202,7 @@ void test_enum_failed_get_full_dev_desc(void)
hcd_pipe_control_close_ExpectAndReturn(0, TUSB_ERROR_NONE);
osal_semaphore_reset_Expect( usbh_devices[0].control.sem_hdl );
osal_mutex_reset_Expect( usbh_devices[0].control.mutex_hdl );
hcd_pipe_control_open_ExpectAndReturn(1, desc_device.bMaxPacketSize0, TUSB_ERROR_NONE);
tusbh_device_mount_failed_cb_Expect(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL);
@ -218,6 +222,8 @@ void test_enum_failed_get_9byte_config_desc(void)
hcd_port_reset_Expect( usbh_devices[0].core_id );
hcd_pipe_control_close_ExpectAndReturn(0, TUSB_ERROR_NONE);
osal_semaphore_reset_Expect( usbh_devices[0].control.sem_hdl );
osal_mutex_reset_Expect( usbh_devices[0].control.mutex_hdl );
hcd_pipe_control_open_ExpectAndReturn(1, desc_device.bMaxPacketSize0, TUSB_ERROR_NONE);
tusbh_device_attached_cb_ExpectAndReturn((tusb_descriptor_device_t*) enum_data_buffer, 1);
tusbh_device_mount_failed_cb_Expect(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL);
@ -235,6 +241,7 @@ void test_enum_failed_get_full_config_desc(void)
hcd_port_reset_Expect( usbh_devices[0].core_id );
hcd_pipe_control_close_ExpectAndReturn(0, TUSB_ERROR_NONE);
osal_semaphore_reset_Expect( usbh_devices[0].control.sem_hdl );
osal_mutex_reset_Expect( usbh_devices[0].control.mutex_hdl );
hcd_pipe_control_open_ExpectAndReturn(1, desc_device.bMaxPacketSize0, TUSB_ERROR_NONE);
tusbh_device_attached_cb_ExpectAndReturn((tusb_descriptor_device_t*) enum_data_buffer, 1);
tusbh_device_mount_failed_cb_Expect(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL);
@ -253,6 +260,7 @@ void test_enum_parse_config_desc(void)
hcd_port_reset_Expect( usbh_devices[0].core_id );
hcd_pipe_control_close_ExpectAndReturn(0, TUSB_ERROR_NONE);
osal_semaphore_reset_Expect( usbh_devices[0].control.sem_hdl );
osal_mutex_reset_Expect( usbh_devices[0].control.mutex_hdl );
hcd_pipe_control_open_ExpectAndReturn(1, desc_device.bMaxPacketSize0, TUSB_ERROR_NONE);
tusbh_device_attached_cb_ExpectAndReturn((tusb_descriptor_device_t*) enum_data_buffer, 1);
@ -269,6 +277,7 @@ void test_enum_set_configure(void)
hcd_port_reset_Expect( usbh_devices[0].core_id );
hcd_pipe_control_close_ExpectAndReturn(0, TUSB_ERROR_NONE);
osal_semaphore_reset_Expect( usbh_devices[0].control.sem_hdl );
osal_mutex_reset_Expect( usbh_devices[0].control.mutex_hdl );
hcd_pipe_control_open_ExpectAndReturn(1, desc_device.bMaxPacketSize0, TUSB_ERROR_NONE);
tusbh_device_attached_cb_ExpectAndReturn((tusb_descriptor_device_t*) enum_data_buffer, 1);
class_install_expect();

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@ -90,7 +90,6 @@ void test_usbh_init_hcd_failed(void)
void test_usbh_init_enum_task_create_failed(void)
{
hcd_init_ExpectAndReturn(TUSB_ERROR_NONE);
osal_semaphore_create_IgnoreAndReturn( (osal_semaphore_handle_t) 0x1234);
osal_task_create_IgnoreAndReturn(TUSB_ERROR_OSAL_TASK_FAILED);
TEST_ASSERT_EQUAL(TUSB_ERROR_OSAL_TASK_FAILED, usbh_init());
}
@ -98,12 +97,30 @@ void test_usbh_init_enum_task_create_failed(void)
void test_usbh_init_enum_queue_create_failed(void)
{
hcd_init_ExpectAndReturn(TUSB_ERROR_NONE);
osal_semaphore_create_IgnoreAndReturn( (osal_semaphore_handle_t) 0x1234);
osal_task_create_IgnoreAndReturn(TUSB_ERROR_NONE);
osal_queue_create_IgnoreAndReturn(NULL);
TEST_ASSERT_EQUAL(TUSB_ERROR_OSAL_QUEUE_FAILED, usbh_init());
}
void test_usbh_init_semaphore_create_failed(void)
{
hcd_init_ExpectAndReturn(TUSB_ERROR_NONE);
osal_task_create_IgnoreAndReturn(TUSB_ERROR_NONE);
osal_queue_create_IgnoreAndReturn((osal_queue_handle_t) 0x1234);
osal_semaphore_create_IgnoreAndReturn(NULL);
TEST_ASSERT_EQUAL(TUSB_ERROR_OSAL_SEMAPHORE_FAILED, usbh_init());
}
void test_usbh_init_mutex_create_failed(void)
{
hcd_init_ExpectAndReturn(TUSB_ERROR_NONE);
osal_task_create_IgnoreAndReturn(TUSB_ERROR_NONE);
osal_queue_create_IgnoreAndReturn((osal_queue_handle_t) 0x1234);
osal_semaphore_create_IgnoreAndReturn((osal_semaphore_handle_t) 0x1234);
osal_mutex_create_IgnoreAndReturn(NULL);
TEST_ASSERT_EQUAL(TUSB_ERROR_OSAL_MUTEX_FAILED, usbh_init());
}
void test_usbh_init_ok(void)
{
hcd_init_ExpectAndReturn(TUSB_ERROR_NONE);
@ -151,3 +168,39 @@ void test_usbh_device_unplugged_isr(void)
TEST_ASSERT_EQUAL(TUSB_DEVICE_STATE_REMOVING, usbh_devices[dev_addr].state);
}
void semaphore_wait_success_stub(osal_mutex_handle_t const sem_hdl, uint32_t msec, tusb_error_t *p_error, int num_call)
{
(*p_error) = TUSB_ERROR_NONE;
}
static void mutex_wait_failed_stub(osal_mutex_handle_t const sem_hdl, uint32_t msec, tusb_error_t *p_error, int num_call)
{
(*p_error) = TUSB_ERROR_OSAL_TIMEOUT;
}
void test_usbh_control_xfer_mutex_failed(void)
{
tusb_std_request_t a_request;
osal_mutex_wait_StubWithCallback(mutex_wait_failed_stub);
osal_mutex_release_ExpectAndReturn(usbh_devices[dev_addr].control.mutex_hdl, TUSB_ERROR_NONE);
//------------- Code Under Test -------------//
usbh_control_xfer_subtask(dev_addr, &a_request, NULL);
}
void test_usbh_control_xfer_ok(void)
{
tusb_std_request_t a_request;
osal_mutex_wait_StubWithCallback(semaphore_wait_success_stub);
hcd_pipe_control_xfer_ExpectAndReturn(dev_addr, &a_request, NULL, TUSB_ERROR_NONE);
osal_semaphore_wait_StubWithCallback(semaphore_wait_success_stub);
osal_mutex_release_ExpectAndReturn(usbh_devices[dev_addr].control.mutex_hdl, TUSB_ERROR_NONE);
//------------- Code Under Test -------------//
usbh_control_xfer_subtask(dev_addr, &a_request, NULL);
}

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@ -54,11 +54,15 @@ osal_semaphore_handle_t sem_hdl;
OSAL_QUEUE_DEF(queue, QUEUE_DEPTH, uint32_t);
osal_queue_handle_t queue_hdl;
OSAL_MUTEX_DEF(mutex);
osal_mutex_handle_t mutex_hdl;
void setUp(void)
{
memset(statements, 0, sizeof(statements));
sem_hdl = osal_semaphore_create(OSAL_SEM_REF(sem));
queue_hdl = osal_queue_create(&queue);
mutex_hdl = osal_mutex_create(OSAL_MUTEX_REF(mutex));
}
void tearDown(void)
@ -82,6 +86,21 @@ void test_semaphore_post(void)
}
// blocking service such as semaphore wait need to be invoked within a task's loop
//--------------------------------------------------------------------+
// Mutex
//--------------------------------------------------------------------+
void test_mutex_create(void)
{
TEST_ASSERT_EQUAL_PTR(&mutex, mutex_hdl);
TEST_ASSERT_EQUAL(1, mutex);
}
void test_mutex_release(void)
{
osal_mutex_release(mutex_hdl);
TEST_ASSERT_EQUAL(1, mutex);
}
//--------------------------------------------------------------------+
// Queue
//--------------------------------------------------------------------+
@ -163,6 +182,76 @@ void test_task_with_semaphore(void)
TEST_ASSERT_EQUAL(2, statements[0]);
}
//--------------------------------------------------------------------+
// TASK MUTEX
//--------------------------------------------------------------------+
tusb_error_t mutex_sample_task1(void) // occupy mutex and not release it
{
tusb_error_t error = TUSB_ERROR_NONE;
OSAL_TASK_LOOP_BEGIN
statements[0]++;
osal_mutex_wait(mutex_hdl, OSAL_TIMEOUT_WAIT_FOREVER, &error);
statements[2]++;
OSAL_TASK_LOOP_END
}
tusb_error_t mutex_sample_task2(void)
{
tusb_error_t error = TUSB_ERROR_NONE;
OSAL_TASK_LOOP_BEGIN
statements[1]++;
osal_mutex_wait(mutex_hdl, OSAL_TIMEOUT_WAIT_FOREVER, &error);
statements[3]++;
osal_mutex_wait(mutex_hdl, OSAL_TIMEOUT_NORMAL, &error);
statements[5]++;
TEST_ASSERT_EQUAL(TUSB_ERROR_OSAL_TIMEOUT, error);
OSAL_TASK_LOOP_END
}
void test_task_with_mutex(void)
{
// several invoke before mutex is available
mutex_sample_task1();
for(uint32_t i=0; i<10; i++) {
mutex_sample_task2();
}
TEST_ASSERT_EQUAL(1, statements[0]);
TEST_ASSERT_EQUAL(1, statements[2]);
TEST_ASSERT_EQUAL(1, statements[1]);
TEST_ASSERT_EQUAL(0, statements[3]);
// invoke after posting mutex
osal_mutex_release(mutex_hdl);
for(uint32_t i=0; i<10; i++) {
mutex_sample_task2();
}
TEST_ASSERT_EQUAL(1, statements[3]);
TEST_ASSERT_EQUAL(0, statements[5]);
// timeout
for(uint32_t i=0; i<(OSAL_TIMEOUT_NORMAL*TUSB_CFG_OS_TICKS_PER_SECOND)/1000 ; i++){ // one tick less
osal_tick_tock();
}
mutex_sample_task2();
TEST_ASSERT_EQUAL(0, statements[5]);
osal_tick_tock();
mutex_sample_task2();
TEST_ASSERT_EQUAL(1, statements[5]);
}
//--------------------------------------------------------------------+
// TASK QUEUE
//--------------------------------------------------------------------+
@ -205,7 +294,7 @@ void test_task_with_queue(void)
sample_task_with_queue();
TEST_ASSERT_EQUAL(1, statements[0]);
// invoke after posting semaphore
// invoke after sending to queue
item = 0x1111;
osal_queue_send(queue_hdl, &item);
sample_task_with_queue();

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@ -197,6 +197,7 @@ void hidh_init(void)
#endif
}
//uint8_t report_descriptor[256] TUSB_CFG_ATTR_USBRAM;
tusb_error_t hidh_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t const *p_interface_desc, uint16_t *p_length)
{
tusb_error_t error;
@ -215,6 +216,8 @@ tusb_error_t hidh_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
OSAL_SUBTASK_BEGIN
//------------- SET IDLE request -------------//
// TODO this request can be stalled by device (indicate not supported),
// until we have clear stall handler, temporarily disable it.
// OSAL_SUBTASK_INVOKED_AND_WAIT(
// usbh_control_xfer_subtask(
// dev_addr,
@ -230,6 +233,22 @@ tusb_error_t hidh_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
// );
//------------- TODO skip Get Report Descriptor -------------//
// memclr_(report_descriptor, 256);
// OSAL_SUBTASK_INVOKED_AND_WAIT(
// usbh_control_xfer_subtask(
// dev_addr,
// &(tusb_std_request_t)
// {
// .bmRequestType = { .direction = TUSB_DIR_DEV_TO_HOST, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_INTERFACE },
// .bRequest = TUSB_REQUEST_GET_DESCRIPTOR,
// .wValue = HID_DESC_TYPE_REPORT,
// .wIndex = p_interface_desc->bInterfaceNumber,
// .wLength = p_desc_hid->wReportLength,
// },
// report_descriptor ),
// error
// );
// uint8_t *p_report_desc = NULL; // report descriptor has to be global & in USB RAM
if ( HID_SUBCLASS_BOOT == p_interface_desc->bInterfaceSubClass )

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@ -74,6 +74,7 @@
ENTRY(TUSB_ERROR_OSAL_TASK_CREATE_FAILED )\
ENTRY(TUSB_ERROR_OSAL_QUEUE_FAILED )\
ENTRY(TUSB_ERROR_OSAL_SEMAPHORE_FAILED )\
ENTRY(TUSB_ERROR_OSAL_MUTEX_FAILED )\
ENTRY(TUSB_ERROR_EHCI_NOT_ENOUGH_QTD )\
ENTRY(TUSB_ERROR_USBD_DESCRIPTOR_STRING )\
ENTRY(TUSB_ERROR_HIDD_DESCRIPTOR_INTERFACE )\

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@ -144,23 +144,30 @@ tusb_error_t usbh_init(void)
ASSERT_STATUS( hcd_init() );
//------------- Semaphore for Control Pipe -------------//
for(uint8_t i=0; i<TUSB_CFG_HOST_DEVICE_MAX+1; i++) // including address zero
{
usbh_devices[i].control.sem_hdl = osal_semaphore_create( OSAL_SEM_REF(usbh_devices[i].control.semaphore) );
ASSERT_PTR(usbh_devices[i].control.sem_hdl, TUSB_ERROR_OSAL_SEMAPHORE_FAILED);
}
//------------- Enumeration & Reporter Task init -------------//
ASSERT_STATUS( osal_task_create(&enum_task_def) );
enum_queue_hdl = osal_queue_create(&enum_queue_def);
ASSERT_PTR(enum_queue_hdl, TUSB_ERROR_OSAL_QUEUE_FAILED);
//------------- Semaphore, Mutex for Control Pipe -------------//
for(uint8_t i=0; i<TUSB_CFG_HOST_DEVICE_MAX+1; i++) // including address zero
{
usbh_device_info_t * const p_device = &usbh_devices[i];
p_device->control.sem_hdl = osal_semaphore_create( OSAL_SEM_REF(p_device->control.semaphore) );
ASSERT_PTR(p_device->control.sem_hdl, TUSB_ERROR_OSAL_SEMAPHORE_FAILED);
p_device->control.mutex_hdl = osal_mutex_create ( OSAL_SEM_REF(p_device->control.mutex) );
ASSERT_PTR(p_device->control.mutex_hdl, TUSB_ERROR_OSAL_MUTEX_FAILED);
}
//------------- class init -------------//
for (uint8_t class_index = 1; class_index < TUSB_CLASS_MAPPED_INDEX_END; class_index++)
{
if (usbh_class_drivers[class_index].init)
{
usbh_class_drivers[class_index].init();
}
}
return TUSB_ERROR_NONE;
@ -174,11 +181,17 @@ tusb_error_t usbh_control_xfer_subtask(uint8_t dev_addr, tusb_std_request_t cons
OSAL_SUBTASK_BEGIN
usbh_devices[dev_addr].control.pipe_status = TUSB_INTERFACE_STATUS_BUSY;
osal_mutex_wait(usbh_devices[dev_addr].control.mutex_hdl, OSAL_TIMEOUT_NORMAL, &error);
SUBTASK_ASSERT_STATUS_WITH_HANDLER(error, osal_mutex_release(usbh_devices[dev_addr].control.mutex_hdl));
usbh_devices[dev_addr].control.request = *p_request;
SUBTASK_ASSERT_STATUS( hcd_pipe_control_xfer(dev_addr, &usbh_devices[dev_addr].control.request, data) );
/*SUBTASK_ASSERT_STATUS*/ (void) ( hcd_pipe_control_xfer(dev_addr, &usbh_devices[dev_addr].control.request, data) );
usbh_devices[dev_addr].control.pipe_status = TUSB_INTERFACE_STATUS_BUSY;
osal_semaphore_wait(usbh_devices[dev_addr].control.sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // careful of local variable without static
osal_mutex_release(usbh_devices[dev_addr].control.mutex_hdl);
// TODO make handler for this function general purpose
SUBTASK_ASSERT_WITH_HANDLER(TUSB_ERROR_NONE == error && usbh_devices[dev_addr].control.pipe_status != TUSB_INTERFACE_STATUS_ERROR,
tusbh_device_mount_failed_cb(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL) );
@ -190,6 +203,7 @@ tusb_error_t usbh_pipe_control_open(uint8_t dev_addr, uint8_t max_packet_size) A
tusb_error_t usbh_pipe_control_open(uint8_t dev_addr, uint8_t max_packet_size)
{
osal_semaphore_reset( usbh_devices[dev_addr].control.sem_hdl );
osal_mutex_reset( usbh_devices[dev_addr].control.mutex_hdl );
ASSERT_STATUS( hcd_pipe_control_open(dev_addr, max_packet_size) );

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@ -92,15 +92,19 @@ typedef struct { // TODO internal structure, re-order members
uint8_t interface_count; // bNumInterfaces alias
//------------- device -------------//
volatile uint8_t state; // device state, value from enum tusbh_device_state_t
uint32_t flag_supported_class; // a bitmap of supported class
volatile uint8_t state; // device state, value from enum tusbh_device_state_t
uint32_t flag_supported_class; // a bitmap of supported class
//------------- control pipe -------------//
struct {
volatile uint8_t pipe_status;
tusb_std_request_t request;
OSAL_SEM_DEF(semaphore); // TODO move to semaphore pool
osal_semaphore_handle_t sem_hdl;
OSAL_SEM_DEF(semaphore); // TODO move to semaphore pool ?
osal_semaphore_handle_t sem_hdl; // used to synchronize with HCD when control xfer complete
OSAL_MUTEX_DEF(mutex); // TODO move to mutex pool ?
osal_mutex_handle_t mutex_hdl; // used to exclusively occupy control pipe
} control;
} usbh_device_info_t;

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@ -133,11 +133,27 @@ typedef osal_semaphore_t * osal_semaphore_handle_t;
#define OSAL_SEM_REF(name)\
&name
osal_semaphore_handle_t osal_semaphore_create(osal_semaphore_t * const sem);
void osal_semaphore_wait(osal_semaphore_handle_t const sem_hdl, uint32_t msec, tusb_error_t *p_error);
tusb_error_t osal_semaphore_post(osal_semaphore_handle_t const sem_hdl);
void osal_semaphore_reset(osal_semaphore_handle_t const sem_hdl);
osal_semaphore_handle_t osal_semaphore_create(osal_semaphore_t * p_sem);
void osal_semaphore_wait(osal_semaphore_handle_t sem_hdl, uint32_t msec, tusb_error_t *p_error);
tusb_error_t osal_semaphore_post(osal_semaphore_handle_t sem_hdl);
void osal_semaphore_reset(osal_semaphore_handle_t sem_hdl);
//--------------------------------------------------------------------+
// MUTEX API (priority inheritance)
//--------------------------------------------------------------------+
#define OSAL_MUTEX_DEF(name)\
osal_mutex_t name
#define OSAL_MUTEX_REF(name)\
&name
typedef osal_semaphore_t osal_mutex_t;
typedef osal_semaphore_handle_t osal_mutex_handle_t;
osal_mutex_handle_t osal_mutex_create(osal_mutex_t * p_mutex);
void osal_mutex_wait(osal_mutex_handle_t mutex_hdl, uint32_t msec, tusb_error_t *p_error);
tusb_error_t osal_mutex_release(osal_mutex_handle_t mutex_hdl);
void osal_mutex_reset(osal_mutex_handle_t mutex_hdl);
//--------------------------------------------------------------------+
// QUEUE API
//--------------------------------------------------------------------+

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@ -166,23 +166,23 @@ typedef osal_semaphore_t * osal_semaphore_handle_t;
#define OSAL_SEM_REF(name)\
&name
static inline osal_semaphore_handle_t osal_semaphore_create(osal_semaphore_t * const p_sem) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline osal_semaphore_handle_t osal_semaphore_create(osal_semaphore_t * const p_sem)
static inline osal_semaphore_handle_t osal_semaphore_create(osal_semaphore_t * p_sem) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline osal_semaphore_handle_t osal_semaphore_create(osal_semaphore_t * p_sem)
{
(*p_sem) = 0;
(*p_sem) = 0; // TODO consider to have initial count parameter
return (osal_semaphore_handle_t) p_sem;
}
static inline tusb_error_t osal_semaphore_post(osal_semaphore_handle_t const sem_hdl) ATTR_ALWAYS_INLINE;
static inline tusb_error_t osal_semaphore_post(osal_semaphore_handle_t const sem_hdl)
static inline tusb_error_t osal_semaphore_post(osal_semaphore_handle_t sem_hdl) ATTR_ALWAYS_INLINE;
static inline tusb_error_t osal_semaphore_post(osal_semaphore_handle_t sem_hdl)
{
(*sem_hdl)++;
return TUSB_ERROR_NONE;
}
static inline void osal_semaphore_reset(osal_semaphore_handle_t const sem_hdl) ATTR_ALWAYS_INLINE;
static inline void osal_semaphore_reset(osal_semaphore_handle_t const sem_hdl)
static inline void osal_semaphore_reset(osal_semaphore_handle_t sem_hdl) ATTR_ALWAYS_INLINE;
static inline void osal_semaphore_reset(osal_semaphore_handle_t sem_hdl)
{
(*sem_hdl) = 0;
}
@ -202,6 +202,41 @@ static inline void osal_semaphore_reset(osal_semaphore_handle_t const sem_hdl)
}\
}while(0)
//--------------------------------------------------------------------+
// MUTEX API (priority inheritance)
//--------------------------------------------------------------------+
typedef osal_semaphore_t osal_mutex_t;
typedef osal_semaphore_handle_t osal_mutex_handle_t;
#define OSAL_MUTEX_DEF(name)\
osal_mutex_t name
#define OSAL_MUTEX_REF(name)\
&name
static inline osal_mutex_handle_t osal_mutex_create(osal_mutex_t * p_mutex) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline osal_mutex_handle_t osal_mutex_create(osal_mutex_t * p_mutex)
{
(*p_mutex) = 1;
return (osal_mutex_handle_t) p_mutex;
}
static inline tusb_error_t osal_mutex_release(osal_mutex_handle_t mutex_hdl) ATTR_ALWAYS_INLINE;
static inline tusb_error_t osal_mutex_release(osal_mutex_handle_t mutex_hdl)
{
(*mutex_hdl) = 1; // mutex is a binary semaphore
return TUSB_ERROR_NONE;
}
static inline void osal_mutex_reset(osal_mutex_handle_t mutex_hdl) ATTR_ALWAYS_INLINE;
static inline void osal_mutex_reset(osal_mutex_handle_t mutex_hdl)
{
(*mutex_hdl) = 1;
}
#define osal_mutex_wait osal_semaphore_wait
//--------------------------------------------------------------------+
// QUEUE API
//--------------------------------------------------------------------+