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self powered and remote wakeup support are from configuration descriptor attribute

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hathach 2019-03-30 17:38:00 +07:00
parent ee6ed084f4
commit f3a954e7de
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GPG Key ID: 2FA891220FBFD581
4 changed files with 22 additions and 30 deletions
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3
src/common/tusb_types.h
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@ -166,8 +166,7 @@ typedef enum
enum {
TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP = TU_BIT(5),
TUSB_DESC_CONFIG_ATT_SELF_POWER = TU_BIT(6),
TUSB_DESC_CONFIG_ATT_BUS_POWER = TU_BIT(7)
TUSB_DESC_CONFIG_ATT_SELF_POWERED = TU_BIT(6),
};
#define TUSB_DESC_CONFIG_POWER_MA(x) ((x)/2)

38
src/device/usbd.c
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@ -46,8 +46,9 @@ typedef struct {
volatile uint8_t configured : 1;
volatile uint8_t suspended : 1;
uint8_t remote_wakeup_en : 1;
uint8_t self_powered : 1;
uint8_t remote_wakeup_en : 1; // enable/disable by host
uint8_t remote_wakeup_support : 1; // configuration descriptor's attribute
uint8_t self_powered : 1; // configuration descriptor's attribute
};
// uint8_t ep_busy_mask[2]; // bit mask for busy endpoint
@ -181,17 +182,12 @@ bool tud_mounted(void)
return _usbd_dev.configured;
}
void tud_set_self_powered(bool self_powered)
{
_usbd_dev.self_powered = self_powered;
}
bool tud_remote_wakeup(void)
{
// only wake up host if this feature is enabled
if (_usbd_dev.suspended && _usbd_dev.remote_wakeup_en ) dcd_remote_wakeup(TUD_OPT_RHPORT);
return _usbd_dev.remote_wakeup_en;
// only wake up host if this feature is supported and enabled and we are suspended
TU_VERIFY (_usbd_dev.suspended && _usbd_dev.remote_wakeup_support && _usbd_dev.remote_wakeup_en );
dcd_remote_wakeup(TUD_OPT_RHPORT);
return true;
}
//--------------------------------------------------------------------+
@ -217,13 +213,8 @@ bool usbd_init (void)
static void usbd_reset(uint8_t rhport)
{
// self_powered bit is set by application and unchanged
bool self_powered = _usbd_dev.self_powered;
tu_varclr(&_usbd_dev);
_usbd_dev.self_powered = self_powered;
memset(_usbd_dev.itf2drv, 0xff, sizeof(_usbd_dev.itf2drv)); // invalid mapping
memset(_usbd_dev.ep2drv , 0xff, sizeof(_usbd_dev.ep2drv )); // invalid mapping
@ -499,13 +490,18 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
// This function parse configuration descriptor & open drivers accordingly
static bool process_set_config(uint8_t rhport)
{
uint8_t const * desc_cfg = (uint8_t const *) usbd_desc_set->config;
TU_ASSERT(desc_cfg != NULL);
tusb_desc_configuration_t const * desc_cfg = (tusb_desc_configuration_t const *) usbd_desc_set->config;
TU_ASSERT(desc_cfg != NULL && desc_cfg->bDescriptorType == TUSB_DESC_CONFIGURATION);
uint8_t const * p_desc = desc_cfg + sizeof(tusb_desc_configuration_t);
uint16_t const cfg_len = ((tusb_desc_configuration_t*)desc_cfg)->wTotalLength;
// Parse configuration descriptor
_usbd_dev.remote_wakeup_support = (desc_cfg->bmAttributes & TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP) ? 1 : 0;
_usbd_dev.self_powered = (desc_cfg->bmAttributes & TUSB_DESC_CONFIG_ATT_SELF_POWERED) ? 1 : 0;
while( p_desc < desc_cfg + cfg_len )
// Parse interface descriptor
uint8_t const * p_desc = ((uint8_t const*) desc_cfg) + sizeof(tusb_desc_configuration_t);
uint8_t const * desc_end = ((uint8_t const*) desc_cfg) + desc_cfg->wTotalLength;
while( p_desc < desc_end )
{
// Each interface always starts with Interface or Association descriptor
if ( TUSB_DESC_INTERFACE_ASSOCIATION == tu_desc_type(p_desc) )

3
src/device/usbd.h
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@ -66,9 +66,6 @@ void tud_task (void);
// Check if device is connected and configured
bool tud_mounted(void);
// Tell stack that device is self or bus powered (default = bus)
void tud_set_self_powered(bool self_powered);
// Remote wake up host, only if suspended and enabled by host
bool tud_remote_wakeup(void);

2
src/device/usbd_auto_desc.c
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@ -342,7 +342,7 @@ desc_auto_cfg_t const _desc_auto_config_struct =
.bConfigurationValue = 1,
.iConfiguration = 0x00,
.bmAttributes = TUSB_DESC_CONFIG_ATT_BUS_POWER,
.bmAttributes = TU_BIT(7) | TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP,
.bMaxPower = TUSB_DESC_CONFIG_POWER_MA(100)
},