/**
* Initialize all Temper Devices currently attached to the system
* @return pcsensor_devices*
*/
pcsensor_devices* setup_libusb_access() {
static pcsensor_devices *available_devices;
if (debug) {
usb_set_debug(255);
} else {
usb_set_debug(0);
}
usb_init();
usb_find_busses();
usb_find_devices();
// Get an array of MAX_SENSORS
available_devices = find_lvr_winusb();
if (available_devices->sensor_count == 0) {
if (debug) {
printf("Couldn't find the USB device, Exiting\n");
}
return NULL;
}
int i;
for (i = 0; i < available_devices->sensor_count; i++) {
usb_dev_handle *lvr_winusb = available_devices->sensors[i];
usb_detach(lvr_winusb, INTERFACE1);
usb_detach(lvr_winusb, INTERFACE2);
if (usb_set_configuration(lvr_winusb, 0x01) < 0) {
if (debug) {
printf("Could not set configuration 1\n");
}
return NULL;
}
// Microdia tiene 2 interfaces
if (usb_claim_interface(lvr_winusb, INTERFACE1) < 0) {
if (debug) {
printf("Could not claim interface\n");
}
return NULL;
}
if (usb_claim_interface(lvr_winusb, INTERFACE2) < 0) {
if (debug) {
printf("Could not claim interface\n");
}
return NULL;
}
}
return available_devices;
}
static usb_dev_handle* setup_libusb_access() {
usb_dev_handle *lvr_winusb;
if(debug) {
usb_set_debug(255);
} else {
usb_set_debug(0);
}
usb_init();
usb_find_busses();
usb_find_devices();
if(!(lvr_winusb = find_lvr_winusb())) {
if(debug){
printf("Couldn't find the USB device, Exiting\n");
}
return NULL;
}
usb_detach(lvr_winusb, INTERFACE1);
usb_detach(lvr_winusb, INTERFACE2);
if (usb_set_configuration(lvr_winusb, 0x01) < 0) {
if(debug){
printf("Could not set configuration 1\n");
}
return NULL;
}
// Microdia tiene 2 interfaces
if (usb_claim_interface(lvr_winusb, INTERFACE1) < 0) {
if(debug){
printf("Could not claim interface\n");
}
return NULL;
}
if (usb_claim_interface(lvr_winusb, INTERFACE2) < 0) {
if(debug){
printf("Could not claim interface\n");
}
return NULL;
}
return lvr_winusb;
}
void bootloader_main() {
SystemInit();
spiflash_reinit();
CGU_Init();
hw_digital_output(LED1);
hw_digital_output(LED2);
hw_digital_output(CC3K_CONN_LED);
hw_digital_output(CC3K_ERR_LED);
hw_digital_write(CC3K_CONN_LED, 0);
hw_digital_write(CC3K_ERR_LED, 0);
init_systick();
__enable_irq();
usb_init();
usb_set_speed(USB_SPEED_FULL);
usb_attach();
while(!exit_and_jump) {
led_task();
__WFI(); /* conserve power */
}
delay_ms(25);
usb_detach();
delay_ms(100);
if (dfu_target == TARGET_RAM) {
jump_to_flash(DFU_DEST_BASE, 0);
}
}
// see usb_hw_layer.h for documentation
void usb_task(void)
{
if (usb_attached())
{
if (UCON_USBEN==0)
{
usb_attach();
}
}
else
{
if (UCON_USBEN==1)
{
usb_detach();
}
}
if ((usb_state == USB_STATE_ATTACHED)&&(!UCON_SE0))
{
UIR=0;
UIE=0;
//enable_interrupts(INT_USB);
//enable_interrupts(GLOBAL);
UIE=__USB_UIF_IDLE | __USB_UIF_RESET; //enable IDLE and RESET USB ISR
usb_state=USB_STATE_POWERED;
}
}
void usb_port_reset(USBPort *port)
{
USBDevice *dev = port->dev;
assert(dev != NULL);
usb_detach(port);
usb_attach(port);
usb_device_reset(dev);
}
void usb_reset(USBPort *port)
{
USBDevice *dev = port->dev;
assert(dev != NULL);
usb_detach(port);
usb_attach(port);
usb_send_msg(dev, USB_MSG_RESET);
}
void main(void)
{
int i;
set_tris_b(0x10000000);
output_high(PIN_B0);
delay_ms(500);
output_low(PIN_B0);
fprintf(A, "rs232 init...\n\r");
usb_init_cs();
while(1)
{
if(input(PIN_B7))
{
output_high(PIN_B0);
usb_task();
while(input(PIN_B7))
{
if (usb_enumerated())
{
if (usb_kbhit(1))
{
receive_msg();
//usb_get_packet(1, rdata, 1);
//fprintf(A, "%u", rdata[0]);
//switch(rdata[0])
//{
// case 0x01: output_high(PIN_B0); break;
// case 0x02: output_low(PIN_B0); break;
//}
}
}
}
usb_detach();
output_low(PIN_B0);
}
}
}
// see usb_hw_layer.h for documentation
void usb_task(void)
{
#if defined(USB_ISR_POLLING)
if (interrupt_active(INT_USB))
{
usb_isr();
}
#endif
if (usb_attached())
{
if (UCON_USBEN==0)
{
debug_usb(debug_putc, "\r\n\nUSB TASK: ATTACH");
usb_attach();
}
}
else
{
if (UCON_USBEN==1)
{
debug_usb(debug_putc, "\r\n\nUSB TASK: DE-ATTACH");
usb_detach();
}
}
if ((usb_state == USB_STATE_ATTACHED)&&(!UCON_SE0))
{
UIR=0;
UIE=0;
#if !defined(USB_ISR_POLLING)
enable_interrupts(INT_USB);
enable_interrupts(GLOBAL);
#endif
UIE=__USB_UIF_IDLE | __USB_UIF_RESET; //enable IDLE and RESET USB ISR
usb_state=USB_STATE_POWERED;
debug_usb(debug_putc, "\r\n\nUSB TASK: POWERED");
}
}
// ****************************************************************************
void HAL_service(void)
{
#ifndef NODEBUG
#define CANARY 0xcafebabe
/*
There is an issue if we initialize the last_found static variable with
_stacktop at compile time. For some reason it does not contain the proper
value.
We therefore initialize it with 0 and check for that. If we enounter 0 we
load the _stacktop address and everything works well.
Worst case the program hangs when last_found is not aligned to 4 bytes, as
a hard fault is raised.
*/
static uint32_t *last_found;
uint32_t *now;
if (last_found == NULL) {
last_found = (uint32_t *)&_stacktop;
}
now = last_found;
while (*now != CANARY && now > (uint32_t *)&_ram) {
--now;
}
if (now < last_found) {
last_found = now;
fprintf(STDOUT_DEBUG, "Stack down to 0x%08x\n", (uint32_t)now);
}
#endif
if (start_bootloader) {
uint32_t end = milliseconds + 50;
fprintf(STDOUT_DEBUG, "REBOOTING INTO BOOTLOADER\n");
// Wait a short while ...
while (milliseconds < end);
usb_detach();
// Place a special value into a certain RAM location that is detected
// by the bootloader, so that it enters firmware upgrade mode
*magic_value = BOOTLOADER_MAGIC;
// Disable the interrupts as they are apparently not cleared by a
// system reset.
NVIC_DisableIRQ(UART_SERCOM_IRQN);
NVIC_DisableIRQ(USB_IRQn);
NVIC_DisableIRQ(TCC0_IRQn);
NVIC_SystemReset();
}
// Status LED handling: Light up if initializing, blink if no signal,
// otherwise off
if (global_flags.initializing) {
HAL_gpio_set(HAL_GPIO_LED);
HAL_gpio_set(HAL_GPIO_LED2);
}
else if (global_flags.no_signal) {
HAL_gpio_write(HAL_GPIO_LED, global_flags.blink_flag);
HAL_gpio_write(HAL_GPIO_LED2, global_flags.blink_flag);
}
else {
HAL_gpio_clear(HAL_GPIO_LED);
HAL_gpio_clear(HAL_GPIO_LED2);
}
// If we have data to send via USB serial, and USB serial is available to
// send, then do it
if (send_buffer_index) {
if (!test_interface_is_write_busy()) {
test_interface_write(send_buffer, send_buffer_index);
send_buffer_index = 0;
}
}
}
// see usb_hw_layer.h for documentation
void usb_init_cs(void)
{
usb_detach();
}