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Make the two keyboard halves communicate with each other via I2C.

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This commit is contained in:
László Monda
2016-03-11 15:39:08 +01:00
parent 7b30750ef5
commit 51de538b4a
16 changed files with 180 additions and 24 deletions
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16
right/usb_interface_mouse.c
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@@ -1,6 +1,9 @@
#include "include/board/board.h"
#include "usb_composite_device.h"
#include "usb_interface_mouse.h"
#include "fsl_i2c.h"
#include "i2c.h"
#include "main.h"
static usb_device_endpoint_struct_t UsbMouseEndpoints[USB_MOUSE_ENDPOINT_COUNT] = {{
USB_MOUSE_ENDPOINT_INDEX | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT),
@@ -39,8 +42,19 @@ static usb_mouse_report_t UsbMouseReport;
static uint8_t scrollCounter = 0;
static volatile usb_status_t UsbMouseAction(void)
{
uint8_t i2cBuffer[I2C_DATA_LENGTH];
i2c_master_transfer_t masterXfer;
masterXfer.slaveAddress = LEFT_KEYBOARD_HALF_I2C_ADDRESS_7BIT;
masterXfer.direction = kI2C_Read;
masterXfer.subaddress = 0;
masterXfer.subaddressSize = 0;
masterXfer.data = i2cBuffer;
masterXfer.dataSize = I2C_DATA_LENGTH;
masterXfer.flags = kI2C_TransferDefaultFlag;
I2C_MasterTransferBlocking(EXAMPLE_I2C_MASTER_BASEADDR, &masterXfer);
UsbMouseReport.buttons = 0;
UsbMouseReport.x = 0;
UsbMouseReport.x = i2cBuffer[1] - i2cBuffer[0];
UsbMouseReport.y = 0;
UsbMouseReport.wheelX = 0;
UsbMouseReport.wheelY = 0;