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Remove usb_device_generic_hid_struct_t in favor of a local buffer and buffer index variable.

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This commit is contained in:
László Monda
2016-03-02 20:26:06 +01:00
parent d6d15ec884
commit b3867fe6de
2 changed files with 6 additions and 12 deletions
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11
right/usb_interface_generic_hid.c
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@@ -11,12 +11,13 @@
#include "usb_descriptor_configuration.h"
#include "composite.h"
static usb_device_generic_hid_struct_t UsbGenericHidDevice;
static uint8_t GenericHidBuffer[2][USB_GENERIC_HID_IN_BUFFER_LENGTH];
static uint8_t GenericHidBufferIndex;
static usb_status_t UsbReceiveData()
{
return USB_DeviceHidRecv(UsbCompositeDevice.genericHidHandle, USB_GENERIC_HID_ENDPOINT_OUT_ID,
(uint8_t *)&UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0],
&GenericHidBuffer[GenericHidBufferIndex][0],
USB_GENERIC_HID_OUT_BUFFER_LENGTH);
}
@@ -32,7 +33,7 @@ usb_status_t UsbGenericHidCallback(class_handle_t handle, uint32_t event, void *
GPIO_SetPinsOutput(BOARD_LED_GREEN_GPIO, 1U << BOARD_LED_GREEN_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_BLUE_GPIO, 1U << BOARD_LED_BLUE_GPIO_PIN);
uint8_t command = (uint8_t)UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0];
uint8_t command = GenericHidBuffer[GenericHidBufferIndex][0];
switch (command) {
case 'r':
@@ -47,9 +48,9 @@ usb_status_t UsbGenericHidCallback(class_handle_t handle, uint32_t event, void *
}
USB_DeviceHidSend(UsbCompositeDevice.genericHidHandle, USB_GENERIC_HID_ENDPOINT_IN_ID,
(uint8_t *)&UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0],
&GenericHidBuffer[GenericHidBufferIndex][0],
USB_GENERIC_HID_OUT_BUFFER_LENGTH);
UsbGenericHidDevice.bufferIndex ^= 1U;
GenericHidBufferIndex ^= 1U;
return UsbReceiveData();
break;
case kUSB_DeviceHidEventGetReport:

7
right/usb_interface_generic_hid.h
View File

@@ -6,13 +6,6 @@
#define USB_GENERIC_HID_IN_BUFFER_LENGTH (64U)
#define USB_GENERIC_HID_OUT_BUFFER_LENGTH (64U)
// Typedefs:
typedef struct _usb_device_generic_hid_struct {
uint32_t buffer[2][USB_GENERIC_HID_IN_BUFFER_LENGTH >> 2];
uint8_t bufferIndex;
} usb_device_generic_hid_struct_t;
// Functions:
extern usb_status_t UsbGenericHidCallback(class_handle_t handle, uint32_t event, void *param);