Cypress CY8CKIT-040 PSoC 4000 Pioneer Kit, Руководство пользователя

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CY8CKIT-040 PSoC
®
4000 Pioneer Kit Guide, Doc. # 001-91316 Rev. *F 78
Code Examples
5.4.2.2 Firmware Details
Figure 5-31 shows the flow chart of code implemented in main.c .
Figure 5-31. CapSense Touchpad With I
2
C Tuner Project Flow Chart
5.4.2.3 Hardware Connections
Plug the Trackpad shield board into the Arduino headers of the kit, as shown in Figure 5-27 . Other
connections are hardwired on the board.
Open CY8CKIT_040_CapSense_I2C.cydwr in the Workspace Explorer and select the suitable pin.
Table 5-10. Pin Connection
1
1. Trackpad_X0 (Touchpad0_Col0_TP) to Trackpad_X5 (Touchpad0_Col5_TP) maps to
COL5 to COL0 of the Trackpad so as to make the Trackpad x-axis left aligned.
Pin Name Port Name
CMOD P0_4
Trackpad_X0 P0_3
Trackpad_X1 P0_7
Trackpad_X2 P0_6
Trackpad_X3 P0_5
Trackpad_X4 P0_0
Trackpad_X5 P0_1
Trackpad_Y0 P1_4
Trackpad_Y1 P1_5
Trackpad_Y2 P1_6
Trackpad_Y3 P1_0
Trackpad_Y4 P1_7
I2C_SCL P1_2
I2C_SDA P1_3
Initialize CapSense and
Enable Tuner
Process CapSense and
Send data over tuner
Start