@@Original code in rbutil/mkamsboot/dualboot/dualboot.S: /* TODO : M200V4 */ #if defined(SANSA_C200V2) #define USB_PIN 1 #elif defined(SANSA_CLIP) || defined(SANSA_CLIPV2) #define USB_PIN 6 #elif defined(SANSA_FUZE) || defined(SANSA_E200V2) #define USB_PIN 3 #endif #ifdef USB_PIN /* TODO : remove this check when we'll have an USB driver */ ldr r0, =GPIOA mov r1, #0 str r1, [r0, #0x400] ldr r1, [r0, #(4*(1<