kingkevin
/
espressif_tinyusb
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Apply power to USB

This commit is contained in:
Kevin Townsend 2013-09-10 09:20:59 +02:00
parent 3e54ab7c9e
commit 50d0e9bb8d
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
demos/bsp/boards/microbuilder/board_lpc4357usb.c
View File

@ -69,7 +69,15 @@ void board_init(void)
scu_pinmux(0x7, 5, MD_PDN, 0x5); /* P7_5 = TRACEDATA[1] */
scu_pinmux(0x7, 6, MD_PDN, 0x5); /* P7_6 = TRACEDATA[2] */
scu_pinmux(0x7, 7, MD_PDN, 0x5); /* P7_7 = TRACEDATA[3] */
// USB0 Power: EA4357 channel B U20 GPIO26 active low (base board), P2_3 on LPC4357
scu_pinmux(0x2, 3, MD_PUP | MD_EZI, FUNC7); // USB0 VBus Power
// 1.5Kohm pull-up resistor is needed on the USB DP data signal. GPIO28 (base), P9_5 (LPC4357) controls
//scu_pinmux(0x9, 5, MD_PUP|MD_EZI|MD_ZI, FUNC4); // GPIO5[18]
//GPIO_SetDir(5, BIT_(18), 1); // output
//GPIO_ClearValue(5, BIT_(18));
/* Init I2C @ 400kHz */
I2C_Init(LPC_I2C0, 400000);
I2C_Cmd(LPC_I2C0, ENABLE);