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USB manual PLL control

pull/323/head
Alex Voinea 2024-05-04 20:19:59 +02:00
parent 75570a82ff
commit a61706fb2e
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GPG Key ID: 37EDFD565CB33BAD
2 changed files with 9 additions and 1 deletions
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2
lib/lufa_config.h
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@ -7,7 +7,7 @@
#define FIXED_NUM_CONFIGURATIONS 1 #define FIXED_NUM_CONFIGURATIONS 1
#define INTERRUPT_CONTROL_ENDPOINT #define INTERRUPT_CONTROL_ENDPOINT
#define USE_FLASH_DESCRIPTORS #define USE_FLASH_DESCRIPTORS
#define USE_STATIC_OPTIONS (USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL) #define USE_STATIC_OPTIONS (USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_MANUAL_PLL)
#define NO_INTERNAL_SERIAL #define NO_INTERNAL_SERIAL
#define NO_DEVICE_SELF_POWER #define NO_DEVICE_SELF_POWER
#define NO_DEVICE_REMOTE_WAKEUP #define NO_DEVICE_REMOTE_WAKEUP

8
src/modules/usb_cdc.cpp
View File

@ -90,6 +90,14 @@ namespace usb {
CDC cdc; CDC cdc;
void CDC::Init() { void CDC::Init() {
#if defined(USE_STATIC_OPTIONS) && (USE_STATIC_OPTIONS & USB_OPT_MANUAL_PLL)
#if defined(USB_SERIES_4_AVR)
PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1));
#endif
USB_PLL_On();
while (!(USB_PLL_IsReady()));
#endif
USB_Init(); USB_Init();
/* Create a regular character stream for the interface so that it can be used with the stdio.h functions */ /* Create a regular character stream for the interface so that it can be used with the stdio.h functions */