/**
* \brief Handle start of frame
*
* Called by USB stack when a start of frame is received, i.e., every
* millisecond during normal operation. This function triggers processing
* of the user interface if the HID interface has been enabled.
*/
void main_sof_action(void)
{
if (!main_b_mouse_enable) {
return;
}
ui_process(udd_get_frame_number());
}
int main (int argc, char **argv)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
// Assert pshold to stay powered on
OUTPUT(pshold);
HIGH(pshold);
// En fast batt charging
OUTPUT(usb_i_sel);
LOW(usb_i_sel);
// Init UI
ui_setup();
// do nothing
while(1) {
// Usb processing
//ser.process(); done on timer
// Update ui
ui_process();
}
}
void main_sof_action(void)
{
if ((!main_b_msc_enable) ||
(!main_b_cdc_enable))
return;
ui_process(udd_get_frame_number());
}
void main_sof_action(void)
{
static bool btn_last_state = 0;
bool btn_state = ui_button();
if (!main_b_generic_enable)
return;
ui_process(udd_get_frame_number());
if(btn_state!=btn_last_state) {
report_to_send[0]=btn_state;
udi_hid_generic_send_report_in(report_to_send);
}
btn_last_state=btn_state;
}
/*! \brief Main function. Execution starts here.
*/
int main(void)
{
irq_initialize_vectors();
cpu_irq_enable();
// Initialize the sleep manager
sleepmgr_init();
#if !SAMD21 && !SAMR21 && !SAMD11 && !SAML21
sysclk_init();
board_init();
#else
system_init();
#endif
ui_init();
ui_powerdown();
// Start USB stack to authorize VBus monitoring
udc_start();
// The main loop manages only the power mode
// because the USB management is done by interrupt
while (true) {
#ifdef USB_DEVICE_LOW_SPEED
// No USB "Keep a live" interrupt available in low speed
// to scan generic interface then use main loop
if (main_b_generic_enable) {
static volatile uint16_t virtual_sof_sub = 0;
static uint16_t virtual_sof = 0;
if (sysclk_get_cpu_hz()/50000 ==
virtual_sof_sub++) {
virtual_sof_sub = 0;
static uint16_t virtual_sof = 0;
ui_process(virtual_sof++);
}
}
#else
sleepmgr_enter_sleep();
#endif
}
}
/*! \brief Main function. Execution starts here.
*/
int main(void)
{
uint8_t write_data[PATTERN_TEST_LENGTH];
uint8_t read_data[PATTERN_TEST_LENGTH];
uint32_t file_size = 0,remaining_len = 0;;
struct i2c_master_packet tx_buf = {
.address = SLAVE_ADDRESS,
.data_length = PATTERN_TEST_LENGTH,
.data = write_data,
.ten_bit_address = false,
.high_speed = false,
.hs_master_code = 0x0,
};
struct i2c_master_packet rx_buf = {
.address = SLAVE_ADDRESS,
.data_length = 1,
.data = read_data,
.ten_bit_address = false,
.high_speed = false,
.hs_master_code = 0x0,
};
uint8_t nb_twi_packets_sent;
uint16_t cdc_rx_size;
irq_initialize_vectors();
cpu_irq_enable();
sleepmgr_init();
system_init();
configure_usart();
ui_init();
ui_powerdown();
udc_start();
printf("Start application\r\n");
while (true) {
if (!b_com_port_opened) {
continue;
}
if (b_cdc_data_rx == true) {
b_cdc_data_rx = false;
cdc_rx_size = udi_cdc_get_nb_received_data();
udi_cdc_read_buf((void *)cdc_data, cdc_rx_size);
if (file_size == 0 && cdc_rx_size == 4) {
MSB0W(file_size) = cdc_data[0];
MSB1W(file_size) = cdc_data[1];
MSB2W(file_size) = cdc_data[2];
MSB3W(file_size) = cdc_data[3];
printf("File size :%ld\r\n",file_size);
}
remaining_len += cdc_rx_size;
if (cdc_rx_size == TARGET_PAGE_SIZE/2) {
if (!b_wait) {
memcpy((void *)(write_data), (const void *)cdc_data, cdc_rx_size);
b_wait = true;
if (file_size + 4 == remaining_len) {
tx_buf.data_length = TARGET_PAGE_SIZE/2;
while (i2c_master_write_packet_wait(&i2c_master_instance, &tx_buf) != STATUS_OK) ;
}
}
else {
memcpy((void *)(write_data + (TARGET_PAGE_SIZE/2)), (const void *)cdc_data, cdc_rx_size);
tx_buf.data_length = TARGET_PAGE_SIZE;
while (i2c_master_write_packet_wait(&i2c_master_instance, &tx_buf) != STATUS_OK) ;
b_wait = false;
}
} else {
if ((cdc_rx_size) <= PATTERN_TEST_LENGTH) {
tx_buf.data_length = cdc_rx_size;
memcpy((void *)(write_data), (const void *)cdc_data, cdc_rx_size);
while (i2c_master_write_packet_wait(&i2c_master_instance, &tx_buf) != STATUS_OK) ;
} else {
nb_twi_packets_sent = 0;
while(cdc_rx_size / PATTERN_TEST_LENGTH) {
tx_buf.data_length = PATTERN_TEST_LENGTH;
memcpy((void *)(write_data), (const void *)(&cdc_data[(nb_twi_packets_sent++) * (PATTERN_TEST_LENGTH)]), PATTERN_TEST_LENGTH);
while (i2c_master_write_packet_wait(&i2c_master_instance, &tx_buf) != STATUS_OK) ;
cdc_rx_size -= (PATTERN_TEST_LENGTH);
}
if(cdc_rx_size) {
tx_buf.data_length = cdc_rx_size;
memcpy((void *)(write_data), (const void *)(&cdc_data[(nb_twi_packets_sent) * (PATTERN_TEST_LENGTH)]), cdc_rx_size);
while (i2c_master_write_packet_wait(&i2c_master_instance, &tx_buf) != STATUS_OK) ;
cdc_rx_size = 0;
}
}
}
}
if (i2c_master_read_packet_wait(&i2c_master_instance, &rx_buf) == STATUS_OK) {
udi_cdc_write_buf((const void *)(rx_buf.data),(iram_size_t)read_data[0]);
if (file_size + 4 == remaining_len) {
printf("File transfer successfully, file size:%ld, transefer size :%ld\r\n",file_size,remaining_len-4);
}
}
}
}
void main_suspend_action(void)
{
ui_powerdown();
}
void main_resume_action(void)
{
ui_wakeup();
}
void main_sof_action(void)
{
if (!main_b_cdc_enable)
return;
ui_process(udd_get_frame_number());
}
#ifdef USB_DEVICE_LPM_SUPPORT
void main_suspend_lpm_action(void)
{
ui_powerdown();
}
void main_remotewakeup_lpm_disable(void)
{
ui_wakeup_disable();
}
void main_remotewakeup_lpm_enable(void)
{
ui_wakeup_enable();
}
#endif
bool main_cdc_enable(uint8_t port)
{
main_b_cdc_enable = true;
configure_i2c_master();
return true;
}
void main_cdc_disable(uint8_t port)
{
main_b_cdc_enable = false;
b_com_port_opened = false;
i2c_master_disable(&i2c_master_instance);
}
void main_sof_action(void)
{
if (!main_b_kbd_enable)
return;
ui_process(udd_get_frame_number());
}
/**
* \brief Main application function
*
* This function ensures that the hardware and drivers are initialized before
* entering an infinite work loop.
*
* In the work loop, the maXTouch device is polled for new touch events and any
* new event is passed on to the user interface implementation for processing.
* The loop then attempts to enter sleep.
*
* The user interface processing itself is not started by the work loop, but by
* the USB callback function for start of frame.
*/
int main(void)
{
#ifdef USB_DEVICE_LOW_SPEED
uint16_t virtual_sof_sub;
uint16_t virtual_sof;
#endif
/* maXTouch data structure */
static struct mxt_device device;
/* Initialize system clocks */
sysclk_init();
/* Initialize interrupt vectors */
irq_initialize_vectors();
/* Enable interrupts */
cpu_irq_enable();
/* Initialize the sleep manager */
sleepmgr_init();
/* Initialize the board */
board_init();
/* Initialize the mXT touch device */
mxt_init(&device);
/* Initialize the graphical library */
gfx_init();
/* Set correct landscape orientation */
gfx_set_orientation(GFX_SWITCH_XY | GFX_FLIP_Y);
/* Set background color */
gfx_draw_filled_rect(0, 0, gfx_get_width(), gfx_get_height(),
COLOR_BACKGROUND);
/* Draw the help text */
gfx_draw_string_aligned(
"Middle finger to move cursor\n"
"Index finger to left click\n"
"Ring finger to right click",
gfx_get_width() / 2, gfx_get_height() / 2,
&sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR_WHITE,
TEXT_POS_CENTER, TEXT_ALIGN_CENTER);
/* Initialize the user interface */
ui_init();
ui_powerdown();
/* Start USB stack to authorize VBus monitoring */
udc_start();
/* Check if there are any new touch data pending */
while (true) {
if (mxt_is_message_pending(&device)) {
if (mxt_read_touch_event(&device, &ui_touch_event) == STATUS_OK) {
ui_flag_new_touch_event();
}
}
/* Try to sleep */
sleepmgr_enter_sleep();
#ifdef USB_DEVICE_LOW_SPEED
/* No USB "Keep alive" interrupt available in low speed
* to scan mouse interface then use main loop */
if (main_b_mouse_enable) {
virtual_sof_sub = 0;
virtual_sof = 0;
if (virtual_sof_sub++ == 700) {
virtual_sof_sub = 0;
ui_process(virtual_sof++);
}
}
#endif
}
}
