|
@@ -0,0 +1,66 @@
|
|
|
+
|
|
|
+#include <avr/io.h>
|
|
|
+#include <avr/pgmspace.h> /* required by usbdrv.h */
|
|
|
+#include <avr/interrupt.h> /* for sei() */
|
|
|
+#include <util/delay.h> /* for _delay_ms() */
|
|
|
+
|
|
|
+#include <stdlib.h>
|
|
|
+
|
|
|
+#include "usbdrv.h"
|
|
|
+#include "oddebug.h" /* This is also an example for using debug
|
|
|
+ * macros */
|
|
|
+#include "config.h"
|
|
|
+#include "requests.h" /* The custom request numbers we use */
|
|
|
+#include "uart.h"
|
|
|
+#include "sram.h"
|
|
|
+#include "debug.h"
|
|
|
+#include "crc.h"
|
|
|
+#include "usb_bulk.h"
|
|
|
+
|
|
|
+extern uint8_t read_buffer[BUFFER_SIZE];
|
|
|
+extern uint32_t req_addr;
|
|
|
+extern uint32_t req_size;
|
|
|
+extern uint8_t req_bank;
|
|
|
+extern uint32_t req_bank_size;
|
|
|
+extern uint8_t req_state;
|
|
|
+extern uint8_t rx_remaining;
|
|
|
+extern uint8_t tx_remaining;
|
|
|
+extern uint8_t tx_buffer[32];
|
|
|
+
|
|
|
+uint8_t usbFunctionWrite(uint8_t * data, uint8_t len)
|
|
|
+{
|
|
|
+ if (len > rx_remaining) {
|
|
|
+ printf("usbFunctionWrite more data than expected remain: %i len: %i\n",
|
|
|
+ rx_remaining, len);
|
|
|
+ len = rx_remaining;
|
|
|
+ }
|
|
|
+ if (req_state == REQ_UPLOAD) {
|
|
|
+
|
|
|
+ rx_remaining -= len;
|
|
|
+#if DEBUG_USB_RAW
|
|
|
+ printf("usbFunctionWrite addr: 0x%08lx len: %i rx_remaining=%i\n",
|
|
|
+ req_addr, len, rx_remaining);
|
|
|
+#endif
|
|
|
+ cli();
|
|
|
+ sram_copy(req_addr, data, len);
|
|
|
+ sei();
|
|
|
+ req_addr += len;
|
|
|
+ }
|
|
|
+ return len;
|
|
|
+}
|
|
|
+
|
|
|
+uint8_t usbFunctionRead(uint8_t * data, uint8_t len)
|
|
|
+{
|
|
|
+ uint8_t i;
|
|
|
+ if (len > tx_remaining)
|
|
|
+ len = tx_remaining;
|
|
|
+ tx_remaining -= len;
|
|
|
+#if DEBUG_USB_RAW
|
|
|
+ printf("usbFunctionRead len=%i tx_remaining=%i \n", len, tx_remaining);
|
|
|
+#endif
|
|
|
+ for (i = 0; i < len; i++) {
|
|
|
+ *data = tx_buffer[len];
|
|
|
+ data++;
|
|
|
+ }
|
|
|
+ return len;
|
|
|
+}
|