eddy/stm32samples
1
0
Fork 0
mirror of https://github.com/eddyem/stm32samples.git synced 2025-12-06 02:35:23 +03:00
Code Issues Packages Projects Releases Wiki Activity

little fix in USB ringbuffer for STM32F103

Browse Source
This commit is contained in:
Edward Emelianov 2022-08-31 14:48:21 +03:00
parent a56bc1bf14
commit fcf5e03338
4 changed files with 19 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
F0:F030,F042,F072/usbcan/kicad/stm32.kicad_pro
View File

@ -314,6 +314,7 @@
],
"rule_severities": {
"bus_definition_conflict": "error",
"bus_entry_needed": "error",
"bus_label_syntax": "error",
"bus_to_bus_conflict": "error",
"bus_to_net_conflict": "error",
@ -406,7 +407,7 @@
}
],
"meta": {
"version": 0
"version": 2
},
"net_colors": null
},
@ -422,6 +423,7 @@
"page_layout_descr_file": ""
},
"schematic": {
"annotate_start_num": 0,
"drawing": {
"default_bus_thickness": 12.0,
"default_junction_size": 40.0,
@ -435,20 +437,24 @@
"intersheets_ref_show": false,
"intersheets_ref_suffix": "",
"junction_size_choice": 3,
"label_size_ratio": 0.3,
"pin_symbol_size": 25.0,
"text_offset_ratio": 0.3
},
"legacy_lib_dir": "",
"legacy_lib_list": [],
"meta": {
"version": 0
"version": 1
},
"net_format_name": "Pcbnew",
"ngspice": {
"fix_include_paths": true,
"fix_passive_vals": false,
"meta": {
"version": 0
},
"model_mode": 0
"model_mode": 0,
"workbook_filename": ""
},
"page_layout_descr_file": "",
"plot_directory": "",

12
F1:F103/PL2303_ringbuffer/ringbuffer.c
View File

@ -63,7 +63,7 @@ int RB_read(char s[BLOCKSIZE]){
return _1st;
}
static int addportion(const char *str, int l){
int RB_write(const char *str, int l){
int r = restlen();
if(l > r) l = r;
if(!l) return 0;
@ -77,13 +77,3 @@ static int addportion(const char *str, int l){
return l;
}
void RB_write(const char *str, int l){
if(!str || !*str) return;
if(!usbON) return;
while(l){
if(tx_succesfull) send_next();
int a = addportion(str, l);
l -= a;
str += a;
}
}

2
F1:F103/PL2303_ringbuffer/ringbuffer.h
View File

@ -28,6 +28,6 @@
#define BLOCKSIZE (USB_TXBUFSZ)
int RB_read(char s[BLOCKSIZE]);
void RB_write(const char *str, int l);
int RB_write(const char *str, int l);
#endif // RINGBUFFER_H__

10
F1:F103/PL2303_ringbuffer/usb.c
View File

@ -40,12 +40,18 @@ void send_next(){
// put `buf` into queue to send
void USB_send(const char *buf){
if(!buf) return;
if(!buf || !usbON) return;
int len = 0;
const char *b = buf;
while(*b++) ++len;
if(!usbON || !len) return;
RB_write(buf, len); // this is a blocking procedure if there's too little free memory in buffer
int l = len;
while(l){
if(tx_succesfull) send_next();
int a = RB_write(buf, l);
l -= a;
buf += a;
}
}
// interrupt IN handler (never used?)