diff options
Diffstat (limited to 'tmk_core/protocol/arm_atsam/usb/usb.c')
| -rw-r--r-- | tmk_core/protocol/arm_atsam/usb/usb.c | 345 |
1 files changed, 139 insertions, 206 deletions
diff --git a/tmk_core/protocol/arm_atsam/usb/usb.c b/tmk_core/protocol/arm_atsam/usb/usb.c index d30d76dd11..b7393660b1 100644 --- a/tmk_core/protocol/arm_atsam/usb/usb.c +++ b/tmk_core/protocol/arm_atsam/usb/usb.c @@ -48,11 +48,11 @@ #define SAMD11 DEVICE_MODE_ONLY #ifndef ARM_MATH_CM4 - #define ARM_MATH_CM4 +# define ARM_MATH_CM4 #endif #include "compiler.h" -#undef LITTLE_ENDIAN //redefined in samd51j18a.h +#undef LITTLE_ENDIAN // redefined in samd51j18a.h #include "samd51j18a.h" #include <stdbool.h> #include <string.h> @@ -61,28 +61,28 @@ #include "usb.h" /** Fields definition from a LPM TOKEN */ -#define USB_LPM_ATTRIBUT_BLINKSTATE_MASK (0xF << 0) -#define USB_LPM_ATTRIBUT_HIRD_MASK (0xF << 4) -#define USB_LPM_ATTRIBUT_REMOTEWAKE_MASK (1 << 8) -#define USB_LPM_ATTRIBUT_BLINKSTATE(value) ((value & 0xF) << 0) -#define USB_LPM_ATTRIBUT_HIRD(value) ((value & 0xF) << 4) -#define USB_LPM_ATTRIBUT_REMOTEWAKE(value) ((value & 1) << 8) -#define USB_LPM_ATTRIBUT_BLINKSTATE_L1 USB_LPM_ATTRIBUT_BLINKSTATE(1) +#define USB_LPM_ATTRIBUT_BLINKSTATE_MASK (0xF << 0) +#define USB_LPM_ATTRIBUT_HIRD_MASK (0xF << 4) +#define USB_LPM_ATTRIBUT_REMOTEWAKE_MASK (1 << 8) +#define USB_LPM_ATTRIBUT_BLINKSTATE(value) ((value & 0xF) << 0) +#define USB_LPM_ATTRIBUT_HIRD(value) ((value & 0xF) << 4) +#define USB_LPM_ATTRIBUT_REMOTEWAKE(value) ((value & 1) << 8) +#define USB_LPM_ATTRIBUT_BLINKSTATE_L1 USB_LPM_ATTRIBUT_BLINKSTATE(1) /** * \brief Mask selecting the index part of an endpoint address */ -#define USB_EP_ADDR_MASK 0x0f +#define USB_EP_ADDR_MASK 0x0f /** * \brief Endpoint transfer direction is IN */ -#define USB_EP_DIR_IN 0x80 +#define USB_EP_DIR_IN 0x80 /** * \brief Endpoint transfer direction is OUT */ -#define USB_EP_DIR_OUT 0x00 +#define USB_EP_DIR_OUT 0x00 /** * \name USB SRAM data containing pipe descriptor table @@ -120,24 +120,13 @@ static struct usb_endpoint_callback_parameter ep_callback_para; * \internal USB Device IRQ Mask Bits Map */ static const uint16_t _usb_device_irq_bits[USB_DEVICE_CALLBACK_N] = { - USB_DEVICE_INTFLAG_SOF, - USB_DEVICE_INTFLAG_EORST, - USB_DEVICE_INTFLAG_WAKEUP | USB_DEVICE_INTFLAG_EORSM | USB_DEVICE_INTFLAG_UPRSM, - USB_DEVICE_INTFLAG_RAMACER, - USB_DEVICE_INTFLAG_SUSPEND, - USB_DEVICE_INTFLAG_LPMNYET, - USB_DEVICE_INTFLAG_LPMSUSP, + USB_DEVICE_INTFLAG_SOF, USB_DEVICE_INTFLAG_EORST, USB_DEVICE_INTFLAG_WAKEUP | USB_DEVICE_INTFLAG_EORSM | USB_DEVICE_INTFLAG_UPRSM, USB_DEVICE_INTFLAG_RAMACER, USB_DEVICE_INTFLAG_SUSPEND, USB_DEVICE_INTFLAG_LPMNYET, USB_DEVICE_INTFLAG_LPMSUSP, }; /** * \internal USB Device IRQ Mask Bits Map */ -static const uint8_t _usb_endpoint_irq_bits[USB_DEVICE_EP_CALLBACK_N] = { - USB_DEVICE_EPINTFLAG_TRCPT_Msk, - USB_DEVICE_EPINTFLAG_TRFAIL_Msk, - USB_DEVICE_EPINTFLAG_RXSTP, - USB_DEVICE_EPINTFLAG_STALL_Msk -}; +static const uint8_t _usb_endpoint_irq_bits[USB_DEVICE_EP_CALLBACK_N] = {USB_DEVICE_EPINTFLAG_TRCPT_Msk, USB_DEVICE_EPINTFLAG_TRFAIL_Msk, USB_DEVICE_EPINTFLAG_RXSTP, USB_DEVICE_EPINTFLAG_STALL_Msk}; /** * \brief Registers a USB device callback @@ -155,10 +144,7 @@ static const uint8_t _usb_endpoint_irq_bits[USB_DEVICE_EP_CALLBACK_N] = { * \return Status of the registration operation. * \retval STATUS_OK The callback was registered successfully. */ -enum status_code usb_device_register_callback(struct usb_module *module_inst, - enum usb_device_callback callback_type, - usb_device_callback_t callback_func) -{ +enum status_code usb_device_register_callback(struct usb_module *module_inst, enum usb_device_callback callback_type, usb_device_callback_t callback_func) { /* Sanity check arguments */ Assert(module_inst); Assert(callback_func); @@ -184,9 +170,7 @@ enum status_code usb_device_register_callback(struct usb_module *module_inst, * \return Status of the de-registration operation. * \retval STATUS_OK The callback was unregistered successfully. */ -enum status_code usb_device_unregister_callback(struct usb_module *module_inst, - enum usb_device_callback callback_type) -{ +enum status_code usb_device_unregister_callback(struct usb_module *module_inst, enum usb_device_callback callback_type) { /* Sanity check arguments */ Assert(module_inst); @@ -211,9 +195,7 @@ enum status_code usb_device_unregister_callback(struct usb_module *module_inst, * \return Status of the callback enable operation. * \retval STATUS_OK The callback was enabled successfully. */ -enum status_code usb_device_enable_callback(struct usb_module *module_inst, - enum usb_device_callback callback_type) -{ +enum status_code usb_device_enable_callback(struct usb_module *module_inst, enum usb_device_callback callback_type) { /* Sanity check arguments */ Assert(module_inst); Assert(module_inst->hw); @@ -240,9 +222,7 @@ enum status_code usb_device_enable_callback(struct usb_module *module_inst, * \return Status of the callback disable operation. * \retval STATUS_OK The callback was disabled successfully. */ -enum status_code usb_device_disable_callback(struct usb_module *module_inst, - enum usb_device_callback callback_type) -{ +enum status_code usb_device_disable_callback(struct usb_module *module_inst, enum usb_device_callback callback_type) { /* Sanity check arguments */ Assert(module_inst); Assert(module_inst->hw); @@ -272,11 +252,7 @@ enum status_code usb_device_disable_callback(struct usb_module *module_inst, * \return Status of the registration operation. * \retval STATUS_OK The callback was registered successfully. */ -enum status_code usb_device_endpoint_register_callback( - struct usb_module *module_inst, uint8_t ep_num, - enum usb_device_endpoint_callback callback_type, - usb_device_endpoint_callback_t callback_func) -{ +enum status_code usb_device_endpoint_register_callback(struct usb_module *module_inst, uint8_t ep_num, enum usb_device_endpoint_callback callback_type, usb_device_endpoint_callback_t callback_func) { /* Sanity check arguments */ Assert(module_inst); Assert(ep_num < USB_EPT_NUM); @@ -304,10 +280,7 @@ enum status_code usb_device_endpoint_register_callback( * \return Status of the de-registration operation. * \retval STATUS_OK The callback was unregistered successfully. */ -enum status_code usb_device_endpoint_unregister_callback( - struct usb_module *module_inst, uint8_t ep_num, - enum usb_device_endpoint_callback callback_type) -{ +enum status_code usb_device_endpoint_unregister_callback(struct usb_module *module_inst, uint8_t ep_num, enum usb_device_endpoint_callback callback_type) { /* Sanity check arguments */ Assert(module_inst); Assert(ep_num < USB_EPT_NUM); @@ -334,10 +307,7 @@ enum status_code usb_device_endpoint_unregister_callback( * \return Status of the callback enable operation. * \retval STATUS_OK The callback was enabled successfully. */ -enum status_code usb_device_endpoint_enable_callback( - struct usb_module *module_inst, uint8_t ep, - enum usb_device_endpoint_callback callback_type) -{ +enum status_code usb_device_endpoint_enable_callback(struct usb_module *module_inst, uint8_t ep, enum usb_device_endpoint_callback callback_type) { /* Sanity check arguments */ Assert(module_inst); Assert(module_inst->hw); @@ -349,7 +319,7 @@ enum status_code usb_device_endpoint_enable_callback( module_inst->device_endpoint_enabled_callback_mask[ep_num] |= _usb_endpoint_irq_bits[callback_type]; if (callback_type == USB_DEVICE_ENDPOINT_CALLBACK_TRCPT) { - if (ep_num == 0) { // control endpoint + if (ep_num == 0) { // control endpoint module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENSET.reg = USB_DEVICE_EPINTENSET_TRCPT0 | USB_DEVICE_EPINTENSET_TRCPT1; } else if (ep & USB_EP_DIR_IN) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENSET.reg = USB_DEVICE_EPINTENSET_TRCPT1; @@ -359,7 +329,7 @@ enum status_code usb_device_endpoint_enable_callback( } if (callback_type == USB_DEVICE_ENDPOINT_CALLBACK_TRFAIL) { - if (ep_num == 0) { // control endpoint + if (ep_num == 0) { // control endpoint module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENSET.reg = USB_DEVICE_EPINTENSET_TRFAIL0 | USB_DEVICE_EPINTENSET_TRFAIL1; } else if (ep & USB_EP_DIR_IN) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENSET.reg = USB_DEVICE_EPINTENSET_TRFAIL1; @@ -395,10 +365,7 @@ enum status_code usb_device_endpoint_enable_callback( * \return Status of the callback disable operation. * \retval STATUS_OK The callback was disabled successfully. */ -enum status_code usb_device_endpoint_disable_callback( - struct usb_module *module_inst, uint8_t ep, - enum usb_device_endpoint_callback callback_type) -{ +enum status_code usb_device_endpoint_disable_callback(struct usb_module *module_inst, uint8_t ep, enum usb_device_endpoint_callback callback_type) { /* Sanity check arguments */ Assert(module_inst); Assert(module_inst->hw); @@ -410,17 +377,17 @@ enum status_code usb_device_endpoint_disable_callback( module_inst->device_endpoint_enabled_callback_mask[ep_num] &= ~_usb_endpoint_irq_bits[callback_type]; if (callback_type == USB_DEVICE_ENDPOINT_CALLBACK_TRCPT) { - if (ep_num == 0) { // control endpoint - module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRCPT0 | USB_DEVICE_EPINTENCLR_TRCPT1; + if (ep_num == 0) { // control endpoint + module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRCPT0 | USB_DEVICE_EPINTENCLR_TRCPT1; } else if (ep & USB_EP_DIR_IN) { - module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRCPT1; + module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRCPT1; } else { - module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRCPT0; + module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRCPT0; } } if (callback_type == USB_DEVICE_ENDPOINT_CALLBACK_TRFAIL) { - if (ep_num == 0) { // control endpoint + if (ep_num == 0) { // control endpoint module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRFAIL0 | USB_DEVICE_EPINTENCLR_TRFAIL1; } else if (ep & USB_EP_DIR_IN) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPINTENCLR.reg = USB_DEVICE_EPINTENCLR_TRFAIL1; @@ -460,16 +427,15 @@ enum status_code usb_device_endpoint_disable_callback( * * \param[out] ep_config Configuration structure to initialize to default values */ -void usb_device_endpoint_get_config_defaults(struct usb_device_endpoint_config *ep_config) -{ +void usb_device_endpoint_get_config_defaults(struct usb_device_endpoint_config *ep_config) { /* Sanity check arguments */ Assert(ep_config); /* Write default config to config struct */ ep_config->ep_address = 0; - ep_config->ep_size = USB_ENDPOINT_8_BYTE; - ep_config->auto_zlp = false; - ep_config->ep_type = USB_DEVICE_ENDPOINT_TYPE_CONTROL; + ep_config->ep_size = USB_ENDPOINT_8_BYTE; + ep_config->auto_zlp = false; + ep_config->ep_type = USB_DEVICE_ENDPOINT_TYPE_CONTROL; } /** @@ -486,25 +452,22 @@ void usb_device_endpoint_get_config_defaults(struct usb_device_endpoint_config * * \retval STATUS_OK The device endpoint was configured successfully * \retval STATUS_ERR_DENIED The endpoint address is already configured */ -enum status_code usb_device_endpoint_set_config(struct usb_module *module_inst, - struct usb_device_endpoint_config *ep_config) -{ +enum status_code usb_device_endpoint_set_config(struct usb_module *module_inst, struct usb_device_endpoint_config *ep_config) { /* Sanity check arguments */ Assert(module_inst); Assert(ep_config); - uint8_t ep_num = ep_config->ep_address & USB_EP_ADDR_MASK; + uint8_t ep_num = ep_config->ep_address & USB_EP_ADDR_MASK; uint8_t ep_bank = (ep_config->ep_address & USB_EP_DIR_IN) ? 1 : 0; switch (ep_config->ep_type) { case USB_DEVICE_ENDPOINT_TYPE_DISABLE: - module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg = USB_DEVICE_EPCFG_EPTYPE0(0) | USB_DEVICE_EPCFG_EPTYPE1(0); + module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg = USB_DEVICE_EPCFG_EPTYPE0(0) | USB_DEVICE_EPCFG_EPTYPE1(0); return STATUS_OK; case USB_DEVICE_ENDPOINT_TYPE_CONTROL: - if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0 && \ - (module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0) { - module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg = USB_DEVICE_EPCFG_EPTYPE0(1) | USB_DEVICE_EPCFG_EPTYPE1(1); + if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0 && (module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0) { + module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg = USB_DEVICE_EPCFG_EPTYPE0(1) | USB_DEVICE_EPCFG_EPTYPE1(1); module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_BK0RDY; module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK1RDY; } else { @@ -523,14 +486,14 @@ enum status_code usb_device_endpoint_set_config(struct usb_module *module_inst, case USB_DEVICE_ENDPOINT_TYPE_ISOCHRONOUS: if (ep_bank) { - if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0){ + if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg |= USB_DEVICE_EPCFG_EPTYPE1(2); module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK1RDY; } else { return STATUS_ERR_DENIED; } } else { - if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0){ + if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg |= USB_DEVICE_EPCFG_EPTYPE0(2); module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_BK0RDY; } else { @@ -541,14 +504,14 @@ enum status_code usb_device_endpoint_set_config(struct usb_module *module_inst, case USB_DEVICE_ENDPOINT_TYPE_BULK: if (ep_bank) { - if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0){ + if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg |= USB_DEVICE_EPCFG_EPTYPE1(3); module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK1RDY; } else { return STATUS_ERR_DENIED; } } else { - if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0){ + if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg |= USB_DEVICE_EPCFG_EPTYPE0(3); module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_BK0RDY; } else { @@ -559,14 +522,14 @@ enum status_code usb_device_endpoint_set_config(struct usb_module *module_inst, case USB_DEVICE_ENDPOINT_TYPE_INTERRUPT: if (ep_bank) { - if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0){ + if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE1_Msk) == 0) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg |= USB_DEVICE_EPCFG_EPTYPE1(4); module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK1RDY; } else { return STATUS_ERR_DENIED; } } else { - if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0){ + if ((module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg & USB_DEVICE_EPCFG_EPTYPE0_Msk) == 0) { module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPCFG.reg |= USB_DEVICE_EPCFG_EPTYPE0(4); module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_BK0RDY; } else { @@ -583,7 +546,7 @@ enum status_code usb_device_endpoint_set_config(struct usb_module *module_inst, if (true == ep_config->auto_zlp) { usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[ep_bank].PCKSIZE.reg |= USB_DEVICE_PCKSIZE_AUTO_ZLP; - } else { + } else { usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[ep_bank].PCKSIZE.reg &= ~USB_DEVICE_PCKSIZE_AUTO_ZLP; } @@ -598,8 +561,7 @@ enum status_code usb_device_endpoint_set_config(struct usb_module *module_inst, * * \return \c true if endpoint is configured and ready to use */ -bool usb_device_endpoint_is_configured(struct usb_module *module_inst, uint8_t ep) -{ +bool usb_device_endpoint_is_configured(struct usb_module *module_inst, uint8_t ep) { uint8_t ep_num = ep & USB_EP_ADDR_MASK; uint8_t flag; @@ -611,15 +573,13 @@ bool usb_device_endpoint_is_configured(struct usb_module *module_inst, uint8_t e return ((enum usb_device_endpoint_type)(flag) != USB_DEVICE_ENDPOINT_TYPE_DISABLE); } - /** * \brief Abort ongoing job on the endpoint * * \param module_inst Pointer to USB software instance struct * \param ep Endpoint address */ -void usb_device_endpoint_abort_job(struct usb_module *module_inst, uint8_t ep) -{ +void usb_device_endpoint_abort_job(struct usb_module *module_inst, uint8_t ep) { uint8_t ep_num; ep_num = ep & USB_EP_ADDR_MASK; @@ -643,8 +603,7 @@ void usb_device_endpoint_abort_job(struct usb_module *module_inst, uint8_t ep) * * \return \c true if the endpoint is halted */ -bool usb_device_endpoint_is_halted(struct usb_module *module_inst, uint8_t ep) -{ +bool usb_device_endpoint_is_halted(struct usb_module *module_inst, uint8_t ep) { uint8_t ep_num = ep & USB_EP_ADDR_MASK; if (ep & USB_EP_DIR_IN) { @@ -660,8 +619,7 @@ bool usb_device_endpoint_is_halted(struct usb_module *module_inst, uint8_t ep) * \param module_inst Pointer to USB software instance struct * \param ep Endpoint address */ -void usb_device_endpoint_set_halt(struct usb_module *module_inst, uint8_t ep) -{ +void usb_device_endpoint_set_halt(struct usb_module *module_inst, uint8_t ep) { uint8_t ep_num = ep & USB_EP_ADDR_MASK; // Stall endpoint @@ -678,8 +636,7 @@ void usb_device_endpoint_set_halt(struct usb_module *module_inst, uint8_t ep) * \param module_inst Pointer to USB software instance struct * \param ep Endpoint address */ -void usb_device_endpoint_clear_halt(struct usb_module *module_inst, uint8_t ep) -{ +void usb_device_endpoint_clear_halt(struct usb_module *module_inst, uint8_t ep) { uint8_t ep_num = ep & USB_EP_ADDR_MASK; if (ep & USB_EP_DIR_IN) { @@ -717,9 +674,7 @@ void usb_device_endpoint_clear_halt(struct usb_module *module_inst, uint8_t ep) * \retval STATUS_OK Job started successfully * \retval STATUS_ERR_DENIED Endpoint is not ready */ -enum status_code usb_device_endpoint_write_buffer_job(struct usb_module *module_inst,uint8_t ep_num, - uint8_t* pbuf, uint32_t buf_size) -{ +enum status_code usb_device_endpoint_write_buffer_job(struct usb_module *module_inst, uint8_t ep_num, uint8_t *pbuf, uint32_t buf_size) { /* Sanity check arguments */ Assert(module_inst); Assert(module_inst->hw); @@ -732,10 +687,10 @@ enum status_code usb_device_endpoint_write_buffer_job(struct usb_module *module_ }; /* get endpoint configuration from setting register */ - usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[1].ADDR.reg = (uint32_t)pbuf; + usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[1].ADDR.reg = (uint32_t)pbuf; usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[1].PCKSIZE.bit.MULTI_PACKET_SIZE = 0; - usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[1].PCKSIZE.bit.BYTE_COUNT = buf_size; - module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_BK1RDY; + usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[1].PCKSIZE.bit.BYTE_COUNT = buf_size; + module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_BK1RDY; return STATUS_OK; } @@ -752,9 +707,7 @@ enum status_code usb_device_endpoint_write_buffer_job(struct usb_module *module_ * \retval STATUS_OK Job started successfully * \retval STATUS_ERR_DENIED Endpoint is not ready */ -enum status_code usb_device_endpoint_read_buffer_job(struct usb_module *module_inst,uint8_t ep_num, - uint8_t* pbuf, uint32_t buf_size) -{ +enum status_code usb_device_endpoint_read_buffer_job(struct usb_module *module_inst, uint8_t ep_num, uint8_t *pbuf, uint32_t buf_size) { /* Sanity check arguments */ Assert(module_inst); Assert(module_inst->hw); @@ -767,10 +720,10 @@ enum status_code usb_device_endpoint_read_buffer_job(struct usb_module *module_i }; /* get endpoint configuration from setting register */ - usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[0].ADDR.reg = (uint32_t)pbuf; + usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[0].ADDR.reg = (uint32_t)pbuf; usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[0].PCKSIZE.bit.MULTI_PACKET_SIZE = buf_size; - usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[0].PCKSIZE.bit.BYTE_COUNT = 0; - module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK0RDY; + usb_descriptor_table.usb_endpoint_table[ep_num].DeviceDescBank[0].PCKSIZE.bit.BYTE_COUNT = 0; + module_inst->hw->DEVICE.DeviceEndpoint[ep_num].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK0RDY; return STATUS_OK; } @@ -785,24 +738,21 @@ enum status_code usb_device_endpoint_read_buffer_job(struct usb_module *module_i * \retval STATUS_OK Job started successfully * \retval STATUS_ERR_DENIED Endpoint is not ready */ -enum status_code usb_device_endpoint_setup_buffer_job(struct usb_module *module_inst, - uint8_t* pbuf) -{ +enum status_code usb_device_endpoint_setup_buffer_job(struct usb_module *module_inst, uint8_t *pbuf) { /* Sanity check arguments */ Assert(module_inst); Assert(module_inst->hw); /* get endpoint configuration from setting register */ - usb_descriptor_table.usb_endpoint_table[0].DeviceDescBank[0].ADDR.reg = (uint32_t)pbuf; + usb_descriptor_table.usb_endpoint_table[0].DeviceDescBank[0].ADDR.reg = (uint32_t)pbuf; usb_descriptor_table.usb_endpoint_table[0].DeviceDescBank[0].PCKSIZE.bit.MULTI_PACKET_SIZE = 8; - usb_descriptor_table.usb_endpoint_table[0].DeviceDescBank[0].PCKSIZE.bit.BYTE_COUNT = 0; - module_inst->hw->DEVICE.DeviceEndpoint[0].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK0RDY; + usb_descriptor_table.usb_endpoint_table[0].DeviceDescBank[0].PCKSIZE.bit.BYTE_COUNT = 0; + module_inst->hw->DEVICE.DeviceEndpoint[0].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK0RDY; return STATUS_OK; } -static void _usb_device_interrupt_handler(void) -{ +static void _usb_device_interrupt_handler(void) { uint16_t ep_inst; uint16_t flags, flags_run; ep_inst = _usb_instances->hw->DEVICE.EPINTSMRY.reg; @@ -812,21 +762,16 @@ static void _usb_device_interrupt_handler(void) int i; /* get interrupt flags */ - flags = _usb_instances->hw->DEVICE.INTFLAG.reg; - flags_run = flags & - _usb_instances->device_enabled_callback_mask & - _usb_instances->device_registered_callback_mask; + flags = _usb_instances->hw->DEVICE.INTFLAG.reg; + flags_run = flags & _usb_instances->device_enabled_callback_mask & _usb_instances->device_registered_callback_mask; - for (i = 0; i < USB_DEVICE_CALLBACK_N; i ++) { + for (i = 0; i < USB_DEVICE_CALLBACK_N; i++) { if (flags & _usb_device_irq_bits[i]) { - _usb_instances->hw->DEVICE.INTFLAG.reg = - _usb_device_irq_bits[i]; + _usb_instances->hw->DEVICE.INTFLAG.reg = _usb_device_irq_bits[i]; } if (flags_run & _usb_device_irq_bits[i]) { if (i == USB_DEVICE_CALLBACK_LPMSUSP) { - device_callback_lpm_wakeup_enable = - usb_descriptor_table.usb_endpoint_table[0].DeviceDescBank[0].EXTREG.bit.VARIABLE - & USB_LPM_ATTRIBUT_REMOTEWAKE_MASK; + device_callback_lpm_wakeup_enable = usb_descriptor_table.usb_endpoint_table[0].DeviceDescBank[0].EXTREG.bit.VARIABLE & USB_LPM_ATTRIBUT_REMOTEWAKE_MASK; } (_usb_instances->device_callback[i])(_usb_instances, &device_callback_lpm_wakeup_enable); } @@ -836,25 +781,22 @@ static void _usb_device_interrupt_handler(void) /* endpoint interrupt */ for (uint8_t i = 0; i < USB_EPT_NUM; i++) { - if (ep_inst & (1 << i)) { - flags = _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg; - flags_run = flags & - _usb_instances->device_endpoint_enabled_callback_mask[i] & - _usb_instances->device_endpoint_registered_callback_mask[i]; + flags = _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg; + flags_run = flags & _usb_instances->device_endpoint_enabled_callback_mask[i] & _usb_instances->device_endpoint_registered_callback_mask[i]; // endpoint transfer stall interrupt if (flags & USB_DEVICE_EPINTFLAG_STALL_Msk) { if (_usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_STALL1) { _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_STALL1; - ep_callback_para.endpoint_address = USB_EP_DIR_IN | i; + ep_callback_para.endpoint_address = USB_EP_DIR_IN | i; } else if (_usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_STALL0) { _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_STALL0; - ep_callback_para.endpoint_address = USB_EP_DIR_OUT | i; + ep_callback_para.endpoint_address = USB_EP_DIR_OUT | i; } if (flags_run & USB_DEVICE_EPINTFLAG_STALL_Msk) { - (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_STALL])(_usb_instances,&ep_callback_para); + (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_STALL])(_usb_instances, &ep_callback_para); } return; } @@ -862,9 +804,9 @@ static void _usb_device_interrupt_handler(void) // endpoint received setup interrupt if (flags & USB_DEVICE_EPINTFLAG_RXSTP) { _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_RXSTP; - if(_usb_instances->device_endpoint_enabled_callback_mask[i] & _usb_endpoint_irq_bits[USB_DEVICE_ENDPOINT_CALLBACK_RXSTP]) { + if (_usb_instances->device_endpoint_enabled_callback_mask[i] & _usb_endpoint_irq_bits[USB_DEVICE_ENDPOINT_CALLBACK_RXSTP]) { ep_callback_para.received_bytes = (uint16_t)(usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[0].PCKSIZE.bit.BYTE_COUNT); - (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_RXSTP])(_usb_instances,&ep_callback_para); + (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_RXSTP])(_usb_instances, &ep_callback_para); } return; } @@ -873,17 +815,17 @@ static void _usb_device_interrupt_handler(void) if (flags & USB_DEVICE_EPINTFLAG_TRCPT_Msk) { if (_usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_TRCPT1) { _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_TRCPT1; - ep_callback_para.endpoint_address = USB_EP_DIR_IN | i; - ep_callback_para.sent_bytes = (uint16_t)(usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[1].PCKSIZE.bit.BYTE_COUNT); + ep_callback_para.endpoint_address = USB_EP_DIR_IN | i; + ep_callback_para.sent_bytes = (uint16_t)(usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[1].PCKSIZE.bit.BYTE_COUNT); } else if (_usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_TRCPT0) { _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_TRCPT0; - ep_callback_para.endpoint_address = USB_EP_DIR_OUT | i; - ep_callback_para.received_bytes = (uint16_t)(usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[0].PCKSIZE.bit.BYTE_COUNT); - ep_callback_para.out_buffer_size = (uint16_t)(usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[0].PCKSIZE.bit.MULTI_PACKET_SIZE); + ep_callback_para.endpoint_address = USB_EP_DIR_OUT | i; + ep_callback_para.received_bytes = (uint16_t)(usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[0].PCKSIZE.bit.BYTE_COUNT); + ep_callback_para.out_buffer_size = (uint16_t)(usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[0].PCKSIZE.bit.MULTI_PACKET_SIZE); } - if(flags_run & USB_DEVICE_EPINTFLAG_TRCPT_Msk) { - (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_TRCPT])(_usb_instances,&ep_callback_para); + if (flags_run & USB_DEVICE_EPINTFLAG_TRCPT_Msk) { + (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_TRCPT])(_usb_instances, &ep_callback_para); } return; } @@ -899,7 +841,7 @@ static void _usb_device_interrupt_handler(void) if (_usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_TRCPT1) { return; } - } else if(_usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_TRFAIL0) { + } else if (_usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_TRFAIL0) { _usb_instances->hw->DEVICE.DeviceEndpoint[i].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_TRFAIL0; if (usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[0].STATUS_BK.reg & USB_DEVICE_STATUS_BK_ERRORFLOW) { usb_descriptor_table.usb_endpoint_table[i].DeviceDescBank[0].STATUS_BK.reg &= ~USB_DEVICE_STATUS_BK_ERRORFLOW; @@ -910,8 +852,8 @@ static void _usb_device_interrupt_handler(void) } } - if(flags_run & USB_DEVICE_EPINTFLAG_TRFAIL_Msk) { - (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_TRFAIL])(_usb_instances,&ep_callback_para); + if (flags_run & USB_DEVICE_EPINTFLAG_TRFAIL_Msk) { + (_usb_instances->device_endpoint_callback[i][USB_DEVICE_ENDPOINT_CALLBACK_TRFAIL])(_usb_instances, &ep_callback_para); } return; } @@ -925,13 +867,13 @@ static void _usb_device_interrupt_handler(void) * * \param module_inst pointer to USB module instance */ -void usb_enable(struct usb_module *module_inst) -{ +void usb_enable(struct usb_module *module_inst) { Assert(module_inst); Assert(module_inst->hw); module_inst->hw->DEVICE.CTRLA.reg |= USB_CTRLA_ENABLE; - while (module_inst->hw->DEVICE.SYNCBUSY.reg == USB_SYNCBUSY_ENABLE); + while (module_inst->hw->DEVICE.SYNCBUSY.reg == USB_SYNCBUSY_ENABLE) + ; } /** @@ -939,68 +881,56 @@ void usb_enable(struct usb_module *module_inst) * * \param module_inst pointer to USB module instance */ -void usb_disable(struct usb_module *module_inst) -{ +void usb_disable(struct usb_module *module_inst) { Assert(module_inst); Assert(module_inst->hw); module_inst->hw->DEVICE.INTENCLR.reg = USB_DEVICE_INTENCLR_MASK; - module_inst->hw->DEVICE.INTFLAG.reg = USB_DEVICE_INTFLAG_MASK; + module_inst->hw->DEVICE.INTFLAG.reg = USB_DEVICE_INTFLAG_MASK; module_inst->hw->DEVICE.CTRLA.reg &= ~USB_CTRLA_ENABLE; - while (module_inst->hw->DEVICE.SYNCBUSY.reg == USB_SYNCBUSY_ENABLE); + while (module_inst->hw->DEVICE.SYNCBUSY.reg == USB_SYNCBUSY_ENABLE) + ; } /** * \brief Interrupt handler for the USB module. */ -void USB_0_Handler(void) -{ +void USB_0_Handler(void) { if (_usb_instances->hw->DEVICE.CTRLA.bit.MODE) { - } else { /*device mode ISR */ _usb_device_interrupt_handler(); } } -void USB_1_Handler(void) -{ - _usb_device_interrupt_handler(); -} +void USB_1_Handler(void) { _usb_device_interrupt_handler(); } -void USB_2_Handler(void) -{ - _usb_device_interrupt_handler(); -} +void USB_2_Handler(void) { _usb_device_interrupt_handler(); } -void USB_3_Handler(void) -{ - _usb_device_interrupt_handler(); -} +void USB_3_Handler(void) { _usb_device_interrupt_handler(); } /** * \brief Get the default USB module settings * * \param[out] module_config Configuration structure to initialize to default values */ -void usb_get_config_defaults(struct usb_config *module_config) -{ +void usb_get_config_defaults(struct usb_config *module_config) { Assert(module_config); /* Sanity check arguments */ Assert(module_config); /* Write default configuration to config struct */ module_config->select_host_mode = 0; - module_config->run_in_standby = 1; + module_config->run_in_standby = 1; module_config->source_generator = 0; - module_config->speed_mode = USB_SPEED_FULL; + module_config->speed_mode = USB_SPEED_FULL; } -#define NVM_USB_PAD_TRANSN_POS 45 +#define NVM_USB_PAD_TRANSN_POS 45 #define NVM_USB_PAD_TRANSN_SIZE 5 -#define NVM_USB_PAD_TRANSP_POS 50 +#define NVM_USB_PAD_TRANSP_POS 50 #define NVM_USB_PAD_TRANSP_SIZE 5 -#define NVM_USB_PAD_TRIM_POS 55 +#define NVM_USB_PAD_TRIM_POS 55 #define NVM_USB_PAD_TRIM_SIZE 3 /** @@ -1020,56 +950,61 @@ void usb_get_config_defaults(struct usb_config *module_config) #define GCLK_USB 10 -enum status_code usb_init(struct usb_module *module_inst, Usb *const hw, - struct usb_config *module_config) -{ +enum status_code usb_init(struct usb_module *module_inst, Usb *const hw, struct usb_config *module_config) { /* Sanity check arguments */ Assert(hw); Assert(module_inst); Assert(module_config); - uint32_t i,j; + uint32_t i, j; uint32_t pad_transn, pad_transp, pad_trim; - Gclk *pgclk = GCLK; - Mclk *pmclk = MCLK; - Port *pport = PORT; - Oscctrl *posc = OSCCTRL; + Gclk * pgclk = GCLK; + Mclk * pmclk = MCLK; + Port * pport = PORT; + Oscctrl *posc = OSCCTRL; _usb_instances = module_inst; /* Associate the software module instance with the hardware module */ module_inst->hw = hw; - //setup peripheral and synchronous bus clocks to USB - pmclk->AHBMASK.bit.USB_ = 1; + // setup peripheral and synchronous bus clocks to USB + pmclk->AHBMASK.bit.USB_ = 1; pmclk->APBBMASK.bit.USB_ = 1; /* Set up the USB DP/DN pins */ - pport->Group[0].PMUX[12].reg = 0x77; //PA24, PA25, function column H for USB D-, D+ + pport->Group[0].PMUX[12].reg = 0x77; // PA24, PA25, function column H for USB D-, D+ pport->Group[0].PINCFG[24].bit.PMUXEN = 1; pport->Group[0].PINCFG[25].bit.PMUXEN = 1; - pport->Group[1].PMUX[11].bit.PMUXE = 7; //PB22, function column H for USB SOF_1KHz output + pport->Group[1].PMUX[11].bit.PMUXE = 7; // PB22, function column H for USB SOF_1KHz output pport->Group[1].PINCFG[22].bit.PMUXEN = 1; - //configure and enable DFLL for USB clock recovery mode at 48MHz + // configure and enable DFLL for USB clock recovery mode at 48MHz posc->DFLLCTRLA.bit.ENABLE = 0; - while (posc->DFLLSYNC.bit.ENABLE); - while (posc->DFLLSYNC.bit.DFLLCTRLB); + while (posc->DFLLSYNC.bit.ENABLE) + ; + while (posc->DFLLSYNC.bit.DFLLCTRLB) + ; posc->DFLLCTRLB.bit.USBCRM = 1; - while (posc->DFLLSYNC.bit.DFLLCTRLB); + while (posc->DFLLSYNC.bit.DFLLCTRLB) + ; posc->DFLLCTRLB.bit.MODE = 1; - while (posc->DFLLSYNC.bit.DFLLCTRLB); + while (posc->DFLLSYNC.bit.DFLLCTRLB) + ; posc->DFLLCTRLB.bit.QLDIS = 0; - while (posc->DFLLSYNC.bit.DFLLCTRLB); + while (posc->DFLLSYNC.bit.DFLLCTRLB) + ; posc->DFLLCTRLB.bit.CCDIS = 1; - posc->DFLLMUL.bit.MUL = 0xbb80; //4800 x 1KHz - while (posc->DFLLSYNC.bit.DFLLMUL); + posc->DFLLMUL.bit.MUL = 0xbb80; // 4800 x 1KHz + while (posc->DFLLSYNC.bit.DFLLMUL) + ; posc->DFLLCTRLA.bit.ENABLE = 1; - while (posc->DFLLSYNC.bit.ENABLE); + while (posc->DFLLSYNC.bit.ENABLE) + ; /* Setup clock for module */ - pgclk->PCHCTRL[GCLK_USB].bit.GEN = 0; + pgclk->PCHCTRL[GCLK_USB].bit.GEN = 0; pgclk->PCHCTRL[GCLK_USB].bit.CHEN = 1; /* Reset */ @@ -1084,21 +1019,21 @@ enum status_code usb_init(struct usb_module *module_inst, Usb *const hw, /* Load Pad Calibration */ - pad_transn = (USB_FUSES_TRANSN_ADDR >> USB_FUSES_TRANSN_Pos) & USB_FUSES_TRANSN_Msk; + pad_transn = (USB_FUSES_TRANSN_ADDR >> USB_FUSES_TRANSN_Pos) & USB_FUSES_TRANSN_Msk; if (pad_transn == 0x1F) { pad_transn = 5; } hw->DEVICE.PADCAL.bit.TRANSN = pad_transn; - pad_transp = (USB_FUSES_TRANSP_ADDR >> USB_FUSES_TRANSP_Pos) & USB_FUSES_TRANSP_Msk; + pad_transp = (USB_FUSES_TRANSP_ADDR >> USB_FUSES_TRANSP_Pos) & USB_FUSES_TRANSP_Msk; if (pad_transp == 0x1F) { pad_transp = 29; } hw->DEVICE.PADCAL.bit.TRANSP = pad_transp; - pad_trim = (USB_FUSES_TRIM_ADDR >> USB_FUSES_TRIM_Pos) & USB_FUSES_TRIM_Msk; + pad_trim = (USB_FUSES_TRIM_ADDR >> USB_FUSES_TRIM_Pos) & USB_FUSES_TRIM_Msk; if (pad_trim == 0x07) { pad_trim = 3; } @@ -1106,32 +1041,31 @@ enum status_code usb_init(struct usb_module *module_inst, Usb *const hw, hw->DEVICE.PADCAL.bit.TRIM = pad_trim; /* Set the configuration */ - hw->DEVICE.CTRLA.bit.MODE = module_config->select_host_mode; + hw->DEVICE.CTRLA.bit.MODE = module_config->select_host_mode; hw->DEVICE.CTRLA.bit.RUNSTDBY = module_config->run_in_standby; - hw->DEVICE.DESCADD.reg = (uint32_t)(&usb_descriptor_table.usb_endpoint_table[0]); + hw->DEVICE.DESCADD.reg = (uint32_t)(&usb_descriptor_table.usb_endpoint_table[0]); if (USB_SPEED_FULL == module_config->speed_mode) { module_inst->hw->DEVICE.CTRLB.bit.SPDCONF = USB_DEVICE_CTRLB_SPDCONF_FS_Val; - } else if(USB_SPEED_LOW == module_config->speed_mode) { + } else if (USB_SPEED_LOW == module_config->speed_mode) { module_inst->hw->DEVICE.CTRLB.bit.SPDCONF = USB_DEVICE_CTRLB_SPDCONF_LS_Val; } - memset((uint8_t *)(&usb_descriptor_table.usb_endpoint_table[0]), 0, - sizeof(usb_descriptor_table.usb_endpoint_table)); + memset((uint8_t *)(&usb_descriptor_table.usb_endpoint_table[0]), 0, sizeof(usb_descriptor_table.usb_endpoint_table)); /* device callback related */ for (i = 0; i < USB_DEVICE_CALLBACK_N; i++) { module_inst->device_callback[i] = NULL; } for (i = 0; i < USB_EPT_NUM; i++) { - for(j = 0; j < USB_DEVICE_EP_CALLBACK_N; j++) { + for (j = 0; j < USB_DEVICE_EP_CALLBACK_N; j++) { module_inst->device_endpoint_callback[i][j] = NULL; } } module_inst->device_registered_callback_mask = 0; - module_inst->device_enabled_callback_mask = 0; + module_inst->device_enabled_callback_mask = 0; for (j = 0; j < USB_EPT_NUM; j++) { module_inst->device_endpoint_registered_callback_mask[j] = 0; - module_inst->device_endpoint_enabled_callback_mask[j] = 0; + module_inst->device_endpoint_enabled_callback_mask[j] = 0; } /* Enable interrupts for this USB module */ @@ -1141,4 +1075,3 @@ enum status_code usb_init(struct usb_module *module_inst, Usb *const hw, return STATUS_OK; } - |