#include "config.h"
#include "conf_usb.h"
#include "device_template_task.h"
#include "lib_mcu/usb/usb_drv.h"
#include "usb_descriptors.h"
#include "modules/usb/device_chap9/usb_standard_request.h"
#include "lib_mcu/wdt/wdt_drv.h"
Go to the source code of this file.
Functions | |
void | device_template_task_init (void) |
void | device_template_task (void) |
void | sof_action () |
Variables | |
volatile U8 | cpt_sof |
U8 | buf [256] |
U8 | rxok |
Definition in file device_template_task.c.
void device_template_task_init | ( | void | ) |
This function initializes the hardware/software resources required for device application task.
none |
Definition at line 78 of file device_template_task.c.
00079 { 00080 Joy_init(); 00081 Hwb_button_init(); 00082 Leds_init(); 00083 cpt_sof=0; 00084 Usb_enable_sof_interrupt(); 00085 rxok=FALSE; 00086 }
void device_template_task | ( | void | ) |
Entry point of the device application This function links the application with the USB bus.
none |
Definition at line 95 of file device_template_task.c.
00096 { 00097 U8 i; 00098 U8 *ptr; 00099 static U8 dummy_data; 00100 00101 //.. FIRST CHECK THE DEVICE ENUMERATION STATE 00102 if (Is_device_enumerated()) 00103 { 00104 //.. HERE START THE USB DEVICE APPLICATIVE CODE 00105 //.. The example bellow just perform a loop back transmition/reception 00106 //.. All data received wth the OUT endpoint are store in a ram buffer and 00107 //.. send back to the IN endpoint 00108 00109 //.. For example, blink a led with start of frame counter 00110 if(cpt_sof>0x7F) 00111 { Led0_on(); } 00112 else { Led0_off();} 00113 00114 //.. First interface management 00115 //.. Select the OUT endpoint declared in descriptors 00116 //.. load the endpoint with the content of a ram buffer for example 00117 Usb_select_endpoint(EP_TEMP_OUT); 00118 if ( Is_usb_receive_out()) 00119 { 00120 ptr=buf; 00121 for(i=Usb_byte_counter();i;i--) 00122 { 00123 *ptr++=Usb_read_byte(); 00124 } 00125 Usb_ack_receive_out(); 00126 rxok=TRUE; 00127 } 00128 //.. First interface management (cont) 00129 //.. Select the IN endpoint declared in descriptors 00130 //.. If we receive something, just store in the ram buffer 00131 Usb_select_endpoint(EP_TEMP_IN); 00132 if ( Is_usb_read_control_enabled()&&(rxok==TRUE)) 00133 { 00134 ptr=buf; 00135 for(i=0;i<EP_IN_LENGTH_TEMP1;i++) 00136 Usb_write_byte(*ptr++); 00137 Usb_ack_in_ready(); 00138 rxok=FALSE; 00139 } 00140 00141 //.. Second interface management (interrupt IN endpoint) 00142 //.. Just Send dummy data bytes 00143 Usb_select_endpoint(EP_TEMP_INT_IN); // Select this enpoint 00144 if (Is_usb_write_enabled()) // Check data can be loaded 00145 { // And load dummy data... 00146 Usb_write_byte(dummy_data); 00147 Usb_write_byte(dummy_data+1); 00148 Usb_write_byte(dummy_data+2); 00149 Usb_write_byte(dummy_data+3); 00150 Usb_ack_in_ready(); 00151 dummy_data+=4; 00152 } 00153 } 00154 }
Definition at line 62 of file device_template_task.c.
Referenced by device_template_task(), device_template_task_init(), and sof_action().
Definition at line 65 of file device_template_task.c.
Referenced by device_template_task(), and device_template_task_init().