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Inital Remote Wakeup Support

Not working yet...
This commit is contained in:
Rowan Decker 2015-03-08 22:35:55 -07:00
parent aeaaaaa468
commit dc562cdcb3
3 changed files with 61 additions and 35 deletions

View File

@ -51,18 +51,18 @@
//#define UART_DEBUG_UNKNOWN 1 //#define UART_DEBUG_UNKNOWN 1
#define TX_STATE_BOTH_FREE_EVEN_FIRST 0 #define TX_STATE_BOTH_FREE_EVEN_FIRST 0
#define TX_STATE_BOTH_FREE_ODD_FIRST 1 #define TX_STATE_BOTH_FREE_ODD_FIRST 1
#define TX_STATE_EVEN_FREE 2 #define TX_STATE_EVEN_FREE 2
#define TX_STATE_ODD_FREE 3 #define TX_STATE_ODD_FREE 3
#define TX_STATE_NONE_FREE_EVEN_FIRST 4 #define TX_STATE_NONE_FREE_EVEN_FIRST 4
#define TX_STATE_NONE_FREE_ODD_FIRST 5 #define TX_STATE_NONE_FREE_ODD_FIRST 5
#define BDT_OWN 0x80 #define BDT_OWN 0x80
#define BDT_DATA1 0x40 #define BDT_DATA1 0x40
#define BDT_DATA0 0x00 #define BDT_DATA0 0x00
#define BDT_DTS 0x08 #define BDT_DTS 0x08
#define BDT_STALL 0x04 #define BDT_STALL 0x04
#define TX 1 #define TX 1
#define RX 0 #define RX 0
@ -72,23 +72,23 @@
#define DATA1 1 #define DATA1 1
#define GET_STATUS 0 #define GET_STATUS 0
#define CLEAR_FEATURE 1 #define CLEAR_FEATURE 1
#define SET_FEATURE 3 #define SET_FEATURE 3
#define SET_ADDRESS 5 #define SET_ADDRESS 5
#define GET_DESCRIPTOR 6 #define GET_DESCRIPTOR 6
#define SET_DESCRIPTOR 7 #define SET_DESCRIPTOR 7
#define GET_CONFIGURATION 8 #define GET_CONFIGURATION 8
#define SET_CONFIGURATION 9 #define SET_CONFIGURATION 9
#define GET_INTERFACE 10 #define GET_INTERFACE 10
#define SET_INTERFACE 11 #define SET_INTERFACE 11
#define SYNCH_FRAME 12 #define SYNCH_FRAME 12
#define TX_STATE_BOTH_FREE_EVEN_FIRST 0 #define TX_STATE_BOTH_FREE_EVEN_FIRST 0
#define TX_STATE_BOTH_FREE_ODD_FIRST 1 #define TX_STATE_BOTH_FREE_ODD_FIRST 1
#define TX_STATE_EVEN_FREE 2 #define TX_STATE_EVEN_FREE 2
#define TX_STATE_ODD_FREE 3 #define TX_STATE_ODD_FREE 3
#define TX_STATE_NONE_FREE 4 #define TX_STATE_NONE_FREE 4
@ -96,9 +96,9 @@
// ----- Macros ----- // ----- Macros -----
#define BDT_PID(n) (((n) >> 2) & 15) #define BDT_PID(n) (((n) >> 2) & 15)
#define BDT_DESC(count, data) (BDT_OWN | BDT_DTS \ #define BDT_DESC(count, data) (BDT_OWN | BDT_DTS \
| ((data) ? BDT_DATA1 : BDT_DATA0) \ | ((data) ? BDT_DATA1 : BDT_DATA0) \
| ((count) << 16)) | ((count) << 16))
@ -167,6 +167,7 @@ volatile uint8_t usb_reboot_timer = 0;
static uint8_t reply_buffer[8]; static uint8_t reply_buffer[8];
volatile uint8_t remote_wakeup_enabled = 0;
// ----- Functions ----- // ----- Functions -----
@ -294,7 +295,8 @@ static void usb_setup()
data = reply_buffer; data = reply_buffer;
break; break;
case 0x0080: // GET_STATUS (device) case 0x0080: // GET_STATUS (device)
reply_buffer[0] = 0; //I think this is the corrent endianess
reply_buffer[0] = (remote_wakeup_enabled)<<1;
reply_buffer[1] = 0; reply_buffer[1] = 0;
datalen = 2; datalen = 2;
data = reply_buffer; data = reply_buffer;
@ -314,6 +316,11 @@ static void usb_setup()
datalen = 2; datalen = 2;
break; break;
case 0x0100: // CLEAR_FEATURE (device) case 0x0100: // CLEAR_FEATURE (device)
//Disable DEVICE_REMOTE_WAKEUP feature
if (setup.wValue == 0x01) {
remote_wakeup_enabled = 0;
}
break;
case 0x0101: // CLEAR_FEATURE (interface) case 0x0101: // CLEAR_FEATURE (interface)
// TODO: Currently ignoring, perhaps useful? -HaaTa // TODO: Currently ignoring, perhaps useful? -HaaTa
endpoint0_stall(); endpoint0_stall();
@ -334,6 +341,11 @@ static void usb_setup()
endpoint0_stall(); endpoint0_stall();
return; return;
case 0x0300: // SET_FEATURE (device) case 0x0300: // SET_FEATURE (device)
//Enable DEVICE_REMOTE_WAKEUP feature
if (setup.wValue == 0x01) {
remote_wakeup_enabled = 1;
}
break;
case 0x0301: // SET_FEATURE (interface) case 0x0301: // SET_FEATURE (interface)
// TODO: Currently ignoring, perhaps useful? -HaaTa // TODO: Currently ignoring, perhaps useful? -HaaTa
endpoint0_stall(); endpoint0_stall();
@ -936,7 +948,7 @@ restart:
serial_phex(b->desc >> 16); serial_phex(b->desc >> 16);
serial_print("\n"); serial_print("\n");
#endif #endif
endpoint--; // endpoint is index to zero-based arrays endpoint--; // endpoint is index to zero-based arrays
if ( stat & 0x08 ) if ( stat & 0x08 )
{ // transmit { // transmit
@ -1108,6 +1120,11 @@ restart:
//serial_print("sleep\n"); //serial_print("sleep\n");
USB0_ISTAT = USB_ISTAT_SLEEP; USB0_ISTAT = USB_ISTAT_SLEEP;
} }
if ( (status & USB_ISTAT_RESUME /* 20 */ ) ) {
//serial_print("resume\n");
USB0_ISTAT = USB_ISTAT_RESUME;
}
} }
@ -1121,7 +1138,7 @@ uint8_t usb_init()
// If no USB cable is attached, do not initialize usb // If no USB cable is attached, do not initialize usb
// XXX Test -HaaTa // XXX Test -HaaTa
//if ( USB0_OTGISTAT & USB_OTGSTAT_ID ) //if ( USB0_OTGISTAT & USB_OTGSTAT_ID )
// return 0; // return 0;
// Clear out endpoints table // Clear out endpoints table
for ( int i = 0; i <= NUM_ENDPOINTS * 4; i++ ) for ( int i = 0; i <= NUM_ENDPOINTS * 4; i++ )

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@ -56,6 +56,8 @@ extern volatile uint8_t usb_cdc_line_coding[7];
extern volatile uint8_t usb_cdc_line_rtsdtr; extern volatile uint8_t usb_cdc_line_rtsdtr;
extern volatile uint8_t usb_cdc_transmit_flush_timer; extern volatile uint8_t usb_cdc_transmit_flush_timer;
extern volatile uint8_t remote_wakeup_enabled;
// ----- Functions ----- // ----- Functions -----
@ -75,10 +77,10 @@ usb_packet_t *usb_rx( uint32_t endpoint );
static inline uint32_t usb_rx_byte_count(uint32_t endpoint) __attribute__((always_inline)); static inline uint32_t usb_rx_byte_count(uint32_t endpoint) __attribute__((always_inline));
static inline uint32_t usb_rx_byte_count(uint32_t endpoint) static inline uint32_t usb_rx_byte_count(uint32_t endpoint)
{ {
endpoint--; endpoint--;
if ( endpoint >= NUM_ENDPOINTS ) if ( endpoint >= NUM_ENDPOINTS )
return 0; return 0;
return usb_rx_byte_count_data[ endpoint ]; return usb_rx_byte_count_data[ endpoint ];
} }
void usb_device_reload(); void usb_device_reload();

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@ -76,6 +76,13 @@ void usb_keyboard_send()
uint32_t wait_count = 0; uint32_t wait_count = 0;
usb_packet_t *tx_packet; usb_packet_t *tx_packet;
if (remote_wakeup_enabled) {
USB0_CTL |= USB_CTL_RESUME;
_delay_ms(5); //wait 1 to 15ms
USB0_CTL &= ~USB_CTL_RESUME;
_delay_ms(5);
}
// Wait till ready // Wait till ready
while ( 1 ) while ( 1 )
{ {