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Fix the USB enumeration process

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Keep the interval between usb_enable() and AT91F_CDC_Enumerate()
as short as possible
This commit is contained in:
wh201906
2023-04-13 01:10:07 +08:00
parent 2be05ceeae
commit d5cd08b30e
1 changed files with 9 additions and 6 deletions
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15
armsrc/appmain.c
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@@ -2722,12 +2722,6 @@ void __attribute__((noreturn)) AppMain(void) {
usart_init(USART_BAUD_RATE, USART_PARITY);
#endif
// This is made as late as possible to ensure enumeration without timeout
// against device such as http://www.hobbytronics.co.uk/usb-host-board-v2
usb_disable();
usb_enable();
allow_send_wtx = true;
#ifdef WITH_FLASH
// If flash is not present, BUSY_TIMEOUT kicks in, let's do it after USB
loadT55xxConfig();
@@ -2735,9 +2729,18 @@ void __attribute__((noreturn)) AppMain(void) {
//
// Enforce a spiffs check/garbage collection at boot so we are likely to never
// fall under the 2 contigous free blocks availables
// This is a time-consuming process on large flash.
rdv40_spiffs_check();
#endif
// This is made as late as possible to ensure enumeration without timeout
// against device such as http://www.hobbytronics.co.uk/usb-host-board-v2
// In other words, keep the interval between usb_enable() and the main loop as short as possible.
// (AT91F_CDC_Enumerate() will be called in the main loop)
usb_disable();
usb_enable();
allow_send_wtx = true;
for (;;) {
WDT_HIT();