void usb_handle_class_ctrl_write_callback(uns8 *data, uns16 count) {
switch (usb_sdp.bRequest) {
case req_SET_LINE_CODING:
// dump it into class_data
memcpy(/* dst */ (void *)&class_data,/* src */ (void *)data, count);
// Now we need to send an ACK status back
control_mode = cm_CTRL_WRITE_SENDING_STATUS;
usb_send_status_ack();
line_coding *my_lc;
my_lc = (line_coding*) &class_data;
#ifdef CDC_DEBUG
serial_print_int_hex(my_lc->dte_rate.as_byte_array[0]);
serial_print_int_hex(my_lc->dte_rate.as_byte_array[1]);
serial_print_int_hex(my_lc->dte_rate.as_byte_array[2]);
serial_print_int_hex(my_lc->dte_rate.as_byte_array[3]);
serial_print_str(" st=");
serial_print_int(my_lc->stop_bits);
serial_print_str(" p=");
serial_print_int(my_lc->parity);
serial_print_str(" db=");
serial_print_int(my_lc->data_bits);
#endif
break;
default:
#ifdef CDC_DEBUG
serial_print_str(" ??ctrl write cb req=");
serial_print_int_hex(usb_sdp.bRequest);
serial_putc(' ');
#endif
break;
}
}
void mrf24j40_handle_isr() {
uns8 intstat;
// first we need to get a copy of intstat to find out what happened
intstat = mrf24j40_short_addr_read(INTSTAT);
// mrf24j40 intstat register is cleared on read
if (test_bit(intstat, INTSTAT_RXIF)) {
#ifndef __PIC32MX__
serial_print_str("R");
#endif
// handle receive
mrf24j40_receive_callback();
}
if (test_bit(intstat, INTSTAT_TXNIF)) {
#ifndef __PIC32MX__
serial_print_str("Tx complete txstat=0x");
#endif
uns8 stat = mrf24j40_short_addr_read(TXSTAT);
mrf24j40_transmit_callback(stat & 0b00000001, // success = 0
stat >> 6, // retries
test_bit(stat, TXSTAT_CCAFAIL)); // due to cca failure?
#ifndef __PIC32MX__
serial_print_int_hex(stat);
serial_print_nl();
#endif
}
}
void mrf24j40_set_extended_address(uns8 *_extended_address) {
uns8 count;
uns8 mem_pos = EADR7;
#ifndef __PIC32MX__
serial_print_str("Setting EA to: ");
#endif
for (count = 0; count < 8; count++) {
extended_address[count] = _extended_address[count];
mrf24j40_short_addr_write(mem_pos--, extended_address[count]);
#ifndef __PIC32MX__
serial_print_int_hex(extended_address[count]);
serial_putc(' ');
#endif
}
#ifndef __PIC32MX__
serial_print_nl();
#endif
}
void usb_handle_class_request_callback(setup_data_packet sdp) {
switch (sdp.bRequest) {
case req_SET_LINE_CODING:
// we now expect the line coding to arrive in the data stage
#ifdef CDC_DEBUG
serial_print_str("SET_LINE ");
#endif
control_mode = cm_CTRL_WRITE_DATA_STAGE_CLASS;
break;
case req_GET_LINE_CODING:
#ifdef CDC_DEBUG
serial_print_str("GET_LINE ");
serial_print_str(" len=");
serial_print_int(sdp.wLength);
serial_putc(' ');
#endif
//control_mode = cm_CTRL_READ_DATA_STAGE_CLASS;
control_mode = cm_CTRL_READ_DATA_STAGE_CLASS;
// need to prime ep0 IN with some funky data here
usb_send_data(/*ep*/ 0, /*data*/ &class_data, /*count*/ 7, /*first*/ 1);
// actually we know this will be the last packet, so go straight to waiting for the status ack
control_mode = cm_CTRL_READ_AWAITING_STATUS;
break;
case req_SET_CONTROL_LINE_STATE:
#ifdef CDC_DEBUG
serial_print_str("scls=");//dtr = bit 0, rts = bit 1
serial_print_int_hex(sdp.wValue);
#endif
// no data, so just ack the status
control_mode = cm_CTRL_WRITE_SENDING_STATUS;
usb_send_status_ack();
// Could put a callback here for your own code when DTR or RTS change
break;
default:
#ifdef CDC_DEBUG
serial_print_str("??r=");
serial_print_int(sdp.bRequest);
#endif
}
}
void draw_print_buffer() {
#ifdef DRAW_DEBUG
uns8 inv_y, x , y,
byte_loc, bit_loc;
uns16 buffer_loc;
for(y = 0 ; y < DRAW_PIXELS_HIGH ; y++) {
inv_y = DRAW_PIXELS_HIGH - 1 - y; // need to print out from the top
if (inv_y < 10) {
serial_putc('0');
}
serial_print_int(inv_y);
serial_putc(' ');
serial_print_int_hex(inv_y * DRAW_PIXELS_WIDE / DRAW_PIXELS_PER_BYTE);
serial_putc('|');
for(x = 0 ; x < DRAW_PIXELS_WIDE ; x++) {
buffer_loc = inv_y * DRAW_PIXELS_WIDE + x;
byte_loc = buffer_loc / DRAW_PIXELS_PER_BYTE;
bit_loc = buffer_loc & (DRAW_PIXELS_PER_BYTE -1);
//if (bit_loc == 0) {
// serial_putc(' ');
// serial_print_int_hex(byte_loc);
// serial_putc(' ');
//}
if (test_bit(draw_buffer0[byte_loc], bit_loc)) {
serial_putc('1');
} else {
serial_putc('0');
}
}
serial_print_str("|\n");
}
#endif
}
