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wip: packets kinda flow now

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Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross
2019-01-25 14:28:03 +13:00
parent d31bcea114
commit 5f0d83b2e2
6 changed files with 47 additions and 95 deletions
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11
include/grainuum.h
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@@ -90,6 +90,12 @@ enum usb_pids {
USB_PID_MDATA = 0x0f,
};
enum valenty_usb_pids {
VUSB_PID_IN = 0x2,
VUSB_PID_OUT = 0x0,
VUSB_PID_SETUP = 0x3,
};
struct GrainuumUSB;
struct GrainuumState;
struct GrainuumConfig;
@@ -153,10 +159,10 @@ typedef int (*usb_data_out_finish_t)(struct GrainuumUSB *usb,
struct usb_packet {
union {
struct {
uint8_t pid;
// uint8_t pid;
uint8_t data[GRAINUUM_PACKET_SIZE_MAX + 2]; /* Including CRC */
} __attribute((packed, aligned(4)));
uint8_t raw_data[GRAINUUM_PACKET_SIZE_MAX + 3];
uint8_t raw_data[GRAINUUM_PACKET_SIZE_MAX + 2];
} __attribute((packed, aligned(4)));
uint8_t size; /* Not including pid (so may be 0) */
/* Checksum omitted */
@@ -497,6 +503,7 @@ int grainuumDataQueued(struct GrainuumUSB *usb);
* @api
*/
void grainuumProcess(struct GrainuumUSB *usb,
uint8_t pid,
const uint8_t packet[12],
uint32_t size);