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This commit is contained in:
Edward Emelianov
2025-09-16 22:53:15 +03:00
parent ec8d56c4ae
commit 3e701f147f
25 changed files with 1345 additions and 982 deletions
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50
F3:F303/I2C_scan/proto.c
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@@ -20,7 +20,7 @@
#include <string.h>
#include "i2c.h"
#include "strfunc.h"
#include "usb.h"
#include "usb_dev.h"
#include "version.inc"
#define LOCBUFFSZ (32)
@@ -48,7 +48,7 @@ static const char *helpstring =
TRUE_INLINE const char *setupI2C(const char *buf){
if(!buf || !*buf){
USND("Current speed: "); USB_putbyte('0' + i2c_curspeed); newline();
U("Current speed: "); USB_putbyte('0' + i2c_curspeed); newline();
return NULL;
}
buf = omit_spaces(buf);
@@ -63,13 +63,13 @@ TRUE_INLINE const char *setupI2C(const char *buf){
static uint8_t I2Caddress = 0;
TRUE_INLINE const char *saI2C(const char *buf){
uint32_t addr;
USND("saI2C: '"); USND(buf); USND("'\n");
U("saI2C: '"); U(buf); U("'\n");
const char *nxt = getnum(buf, &addr);
if(nxt && nxt != buf){
if(addr > 0x7f) return "Wrong address\n";
I2Caddress = (uint8_t) addr << 1;
}else addr = I2Caddress >> 1;
USND("I2Caddr="); USND(uhex2str(addr)); newline();
U("I2Caddr="); USND(uhex2str(addr));
return OK;
}
static void rdI2C(const char *buf, int is16){
@@ -85,53 +85,50 @@ static void rdI2C(const char *buf, int is16){
}else{
nxt = getnum(buf, &N);
if(!nxt || buf == nxt || N > 0xffff || (!is16 && N > 0xff)){
USND("Bad register number\n");
USND("Bad register number");
return;
}
buf = nxt;
}
uint16_t reg = N;
nxt = getnum(buf, &N);
if(!nxt || buf == nxt || N > LOCBUFFSZ){
USND("Bad length (<=32)\n");
uint32_t maxn = (is16) ? I2C_BUFSIZE : I2C_BUFSIZE / 2;
if(!nxt || buf == nxt || N > maxn){
USND("Bad length");
return;
}
const char *erd = "Error reading I2C\n";
uint8_t *b8 = NULL; uint16_t *b16 = NULL;
if(noreg){ // don't write register
if(noreg == 1){
USND("Simple read:\n");
USND("Simple read:");
if(!(b8 = read_i2c(I2Caddress, N))){
USND(erd);
U(erd);
return;
}
}else{
USND("Try to read using DMA .. ");
if(!read_i2c_dma(I2Caddress, N)) USND(erd);
else USND(OK);
U("Try to read using DMA .. ");
if(!read_i2c_dma(I2Caddress, N)) U(erd);
else U(OK);
return;
}
}else{
if(is16){
if(!(b16 = read_i2c_reg16(I2Caddress, reg, N))){
USND(erd);
U(erd);
return;
}
}else{
if(!(b8 = read_i2c_reg(I2Caddress, reg, N))){
USND(erd);
U(erd);
return;
}
}
}
if(N == 0){ USND(OK); return; }
if(!noreg){USND("Register "); USND(uhex2str(reg)); USND(":\n");}
if(!is16){ hexdump(USB_sendstr, b8, N); return; }
for(int i = 0; i < (int)N; ++i){
USND(uhex2str(b16[i])); USB_putbyte(' ');
if((i & 7) == 7) newline();
}
if(N & 7) newline();
if(N == 0){ U(OK); return; }
if(!noreg){U("Register "); U(uhex2str(reg)); U(":\n");}
if(is16) hexdump16(USB_sendstr, b16, N);
else hexdump(USB_sendstr, b8, N);
}
// read N numbers from buf, @return 0 if wrong or none
TRUE_INLINE uint16_t readNnumbers(const char *buf){
@@ -141,9 +138,9 @@ TRUE_INLINE uint16_t readNnumbers(const char *buf){
while((nxt = getnum(buf, &D)) && nxt != buf && N < LOCBUFFSZ){
buf = nxt;
locBuffer[N++] = (uint8_t) D&0xff;
USND("add byte: "); USND(uhex2str(D&0xff)); USND("\n");
U("add byte: "); USND(uhex2str(D&0xff));
}
USND("Send "); USND(u2str(N)); USND(" bytes\n");
U("Send "); U(u2str(N)); USND(" bytes");
return N;
}
static const char *wrI2C(const char *buf, int isdma){
@@ -195,12 +192,11 @@ const char *parse_cmd(const char *buf){
return OK;
break;
case 'T':
USND("T=");
U("T=");
USND(u2str(Tms));
newline();
break;
default: // help
USND(helpstring);
U(helpstring);
break;
}
return NULL;