58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
|
#include <stdint.h>
|
||
|
|
|
||
|
|
// Create external function at 0x00006f88
|
||
|
|
extern void maybe_usb_setup_read(char endpoint,void *fun,uint32_t target_buffer);
|
||
|
|
extern void dwc3_ep0_start_trans(char endpoint,uint32_t target_buf, uint32_t len);
|
||
|
|
extern int usb_event_handler(void);
|
||
|
|
extern void * get_endpoint_buffer(char endpoint);
|
||
|
|
extern void sleep(int endpoint,uint32_t timeout);
|
||
|
|
|
||
|
|
#define recv_buffer 0x02021800 + 0x2000
|
||
|
|
#define data_received 0x02021800 + 0x2004
|
||
|
|
|
||
|
|
// do {
|
||
|
|
// /* loops until image has been received */
|
||
|
|
// usb_event_handler();
|
||
|
|
// iVar2 = download_ready?(); #TODO, set some global to indicate readyness
|
||
|
|
// } while (iVar2 == 0);
|
||
|
|
|
||
|
|
void recv_data_cb(uint32_t endpoint, uint32_t len){
|
||
|
|
void *rbuf;
|
||
|
|
void *dest_buf = (void *)recv_buffer;
|
||
|
|
volatile void *dref = (void *)data_received;
|
||
|
|
|
||
|
|
for(int i= 0; i < len; i++){
|
||
|
|
rbuf = get_endpoint_buffer(2);
|
||
|
|
*(char *)dest_buf = *(char *)(void *)((int)rbuf + i);
|
||
|
|
}
|
||
|
|
// while(1){}
|
||
|
|
// asm("mov x0, #0x0");
|
||
|
|
// asm("br x0");
|
||
|
|
*(uint8_t *)dref = 3;
|
||
|
|
}
|
||
|
|
|
||
|
|
void recv_data(){
|
||
|
|
// Set data_received to 0
|
||
|
|
// uint32_t *r = (uint32_t *) data_received;
|
||
|
|
// r = 0;
|
||
|
|
volatile void *dref = (void *)data_received;
|
||
|
|
*(uint8_t *)dref = 0;
|
||
|
|
|
||
|
|
maybe_usb_setup_read(2, recv_data_cb, 1);
|
||
|
|
while(1){
|
||
|
|
usb_event_handler();
|
||
|
|
if(*(uint8_t *)dref == 3){
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
sleep(1, 10);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
recv_data();
|
||
|
|
// recv_data();
|
||
|
|
// sleep(1, 5000);
|
||
|
|
asm("mov x0, #0x0");
|
||
|
|
asm("br x0");
|
||
|
|
}
|