caclulate To for basic range, hangs @ sqrt

This commit is contained in:
Edward Emelianov 2022-05-20 20:39:22 +03:00
parent bc11cee187
commit 5265b98bac
10 changed files with 208 additions and 119 deletions

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@ -74,7 +74,7 @@ LDFLAGS += -T$(LDSCRIPT)
###############################################################################
# Used libraries
LDLIBS += -lc $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
LDLIBS += -lm -lc $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
DEFS += -DSTM32$(FAMILY) -DSTM32$(MCU) -DSTM32F10X_$(DENSITY)

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@ -28,8 +28,9 @@ static inline void gpio_setup(){
GPIOC->CRH |= CRH(13, CNF_ODOUTPUT | MODE_SLOW);
// USB pullup (PA15) - pushpull output
GPIOA->CRH = CRH(15, CNF_PPOUTPUT | MODE_SLOW);
// PB5 is powered MLX sensor (less than 23mA) - pushpull output
GPIOB->CRL = CRL(5, CNF_PPOUTPUT | MODE_SLOW);
// PB5 is powered MLX sensor (less than 23mA) - OD output
MLXPOW_OFF();
GPIOB->CRL = CRL(5, CNF_ODOUTPUT | MODE_SLOW);
}
void hw_setup(){

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@ -33,9 +33,9 @@
#define MLXPOW_pin (1<<5)
#define USBPU_ON() pin_set(USBPU_port, USBPU_pin)
#define USBPU_OFF() pin_clear(USBPU_port, USBPU_pin)
#define MLXPOW_ON() pin_set(MLXPOW_port, MLXPOW_pin)
#define MLXPOW_OFF() pin_clear(MLXPOW_port, MLXPOW_pin)
#define MLXPOW_VAL() pin_read(MLXPOW_port, MLXPOW_pin)
#define MLXPOW_ON() pin_clear(MLXPOW_port, MLXPOW_pin)
#define MLXPOW_OFF() pin_set(MLXPOW_port, MLXPOW_pin)
#define MLXPOW_VAL() ((MLXPOW_port->IDR & MLXPOW_pin)?0:1)
#define LED_blink(x) pin_toggle(x ## _port, x ## _pin)
#define LED_on(x) pin_clear(x ## _port, x ## _pin)

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@ -49,17 +49,22 @@ static void i2c_DMAr_setup(){
* @param withDMA == 1 to setup DMA receiver too
*/
void i2c_setup(uint8_t withDMA){
I2C1->CR1 = 0;
I2C1->SR1 = 0;
RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;
GPIOB->CRL = (GPIOB->CRL & ~(GPIO_CRL_CNF6 | GPIO_CRL_CNF7)) |
CRL(6, CNF_AFOD | MODE_NORMAL) | CRL(7, CNF_AFOD | MODE_NORMAL);
RCC->APB1ENR |= RCC_APB1ENR_I2C1EN;
I2C1->CR1 = 0; // clear all previous settings
I2C1->SR1 = 0;
RCC->APB1RSTR |= RCC_APB1RSTR_I2C1RST; // reset peripherial
RCC->APB1RSTR &= ~RCC_APB1RSTR_I2C1RST;
I2C1->CR2 = 8; // FREQR=8MHz, T=125ns
I2C1->TRISE = 9; // (9-1)*125 = 1mks
//I2C1->CR2 = 10; // FREQR=10MHz, T=100ns
I2C1->TRISE = 9; // (9-1)*125 = 1us
//I2C1->TRISE = 4; // (4-1)*100 = 300ns
I2C1->CCR = 40; // normal mode, 8MHz/2/40 = 100kHz
I2C1->CR1 |= I2C_CR1_PE; // enable periph
//I2C1->CCR = I2C_CCR_FS | 10; // fast mode, 10MHz/2/10 = 500kHz
if(withDMA) i2c_DMAr_setup();
I2C1->CR1 |= I2C_CR1_PE; // enable periph
}
void i2c_set_addr7(uint8_t addr){
@ -162,6 +167,7 @@ i2c_status i2c_7bit_receive_twobytes(uint8_t *data){
DBG("2 ADDR");
if(I2C1->SR1 & I2C_SR1_AF){ // NACK
ret = I2C_NACK;
DBG("2 NACK");
goto eotr;
}
DBG("2 ACK");

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@ -16,6 +16,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include "hardware.h"
#include "i2c.h"
#include "mlx90640.h"
@ -70,14 +71,27 @@ int read_reg(uint16_t reg, uint16_t *val){
}
// blocking read N uint16_t values starting from `reg`
// @return N of registers read
int read_data(uint16_t reg, uint16_t *data, int N){
if(N < 1 ) return 0;
int i;
for(i = 0; i < N; ++i){
if(!read_reg(reg+i, data++)) break;
// @param reg - register to read
// @param N (io) - amount of bytes to read / bytes read
// @return `dataarray` or NULL if failed
uint16_t *read_data(uint16_t reg, uint16_t *N){
uint16_t n = *N;
if(n < 1 || n > MLX_DMA_MAXLEN) return NULL;
uint16_t i, *data = dataarray;
#ifdef EBUG
SEND("Tms="); printu(Tms); newline();
#endif
for(i = 0; i < n; ++i){
if(!read_reg(reg++, data++)){
DBG("can't read");
break;
}
return i;
}
#ifdef EBUG
SEND("Tms="); printu(Tms); newline();
#endif
*N = i;
return dataarray;
}
// write register value
@ -146,7 +160,7 @@ static int get_parameters(){
SEND("0 Tms="); printu(Tms); newline();
#endif
int8_t i8;
int16_t i16, *pi16;
int16_t i16;
uint16_t *pu16;
uint16_t val = CREG_VAL(REG_VDD);
i8 = (int8_t) (val >> 8);
@ -169,14 +183,14 @@ static int get_parameters(){
#ifdef EBUG
SEND("1 Tms="); printu(Tms); newline();
#endif
int8_t occRow[24];
int8_t occColumn[32];
occacc(occRow, 24, &CREG_VAL(REG_OCCROW14));
occacc(occColumn, 32, &CREG_VAL(REG_OCCCOL14));
int8_t accRow[24];
int8_t accColumn[32];
occacc(accRow, 24, &CREG_VAL(REG_ACCROW14));
occacc(accColumn, 32, &CREG_VAL(REG_ACCCOL14));
int8_t occRow[MLX_H];
int8_t occColumn[MLX_W];
occacc(occRow, MLX_H, &CREG_VAL(REG_OCCROW14));
occacc(occColumn, MLX_W, &CREG_VAL(REG_OCCCOL14));
int8_t accRow[MLX_H];
int8_t accColumn[MLX_W];
occacc(accRow, MLX_H, &CREG_VAL(REG_ACCROW14));
occacc(accColumn, MLX_W, &CREG_VAL(REG_ACCCOL14));
val = CREG_VAL(REG_APTATOCCS);
// need to do multiplication instead of bitshift, so:
float occRemScale = 1<<(val&0x0F),
@ -205,31 +219,28 @@ static int get_parameters(){
float accRowScale = 1<<((val & 0x0f00)>>8),
accColumnScale = 1<<((val & 0x00f0)>>4),
accRemScale = 1<<(val & 0x0f);
pi16 = params.offset;
pu16 = &CREG_VAL(REG_OFFAK1);
float *fp = params.kta;
float *kta = params.kta, *offset = params.offset;
#ifdef EBUG
SEND("2 Tms="); printu(Tms); newline();
#endif
for(int row = 0; row < 24; ++row){
for(int row = 0; row < MLX_H; ++row){
int idx = (row&1)<<1;
for(int col = 0; col < 32; ++col){
for(int col = 0; col < MLX_W; ++col){
// offset
register uint16_t rv = *pu16++;
i16 = (rv & 0xFC00) >> 10;
if(i16 > 0x1F) i16 -= 0x40;
register float oft = (float)offavg + occRow[row]*occRowScale + occColumn[col]*occColumnScale + i16*occRemScale;
*pi16++ = (int16_t)oft;
*offset++ = (float)offavg + (float)occRow[row]*occRowScale + (float)occColumn[col]*occColumnScale + (float)i16*occRemScale;
// kta
i16 = (rv & 0xF) >> 1;
if(i16 > 0x03) i16 -= 0x08;
*fp++ = (ktaavg[idx|(col&1)] + i16*mul) / div;
*kta++ = (ktaavg[idx|(col&1)] + i16*mul) / div;
// alpha
i16 = (rv & 0x3F0) >> 4;
if(i16 > 0x1F) i16 -= 0x40;
oft = (float)a_r + accRow[row]*accRowScale + accColumn[col]*accColumnScale +i16*accRemScale;
float oft = (float)a_r + accRow[row]*accRowScale + accColumn[col]*accColumnScale +i16*accRemScale;
*a++ = oft / diva;
//*a++ /= diva;
}
}
#ifdef EBUG
@ -280,14 +291,14 @@ static int get_parameters(){
div = 1<<((CREG_VAL(REG_CT34) & 0x0F) + 8); // kstoscale
val = CREG_VAL(REG_KSTO12);
i8 = (int8_t)(val & 0xFF);
params.ksTo[0] = (float)i8 / div;
params.ksTo[0] = 273.15f * i8 / div;
i8 = (int8_t)(val >> 8);
params.ksTo[1] = (float)i8 / div;
params.ksTo[1] = 273.15f * i8 / div;
val = CREG_VAL(REG_KSTO34);
i8 = (int8_t)(val & 0xFF);
params.ksTo[2] = (float)i8 / div;
params.ksTo[2] = 273.15f * i8 / div;
i8 = (int8_t)(val >> 8);
params.ksTo[3] = (float)i8 / div;
params.ksTo[3] = 273.15f * i8 / div;
params.CT[0] = 0.f; // 0degr - between ranges 1 and 2
val = CREG_VAL(REG_CT34);
mul = ((val & 0x3000)>>12)*10.f; // step
@ -305,57 +316,82 @@ static int get_parameters(){
return TRUE;
}
// calculate Vsup, Tamb, gain, off, Vdd, Ta
static void stage1(){
int16_t i16a = (int16_t)IMD_VAL(REG_IVDDPIX);
float dvdd = i16a - params.vdd25;
dvdd = dvdd / params.kVdd;
float vdd = dvdd + 3.3f;
SEND("Vd="); float2str(vdd, 2); newline();
i16a = (int16_t)IMD_VAL(REG_ITAPTAT);
int16_t i16b = (int16_t)IMD_VAL(REG_ITAVBE);
float Ta = (float)i16a / (i16a * params.alphaPTAT + i16b); // vptatart
Ta *= (float)(1<<18);
Ta = (Ta / (1 + params.KvPTAT*dvdd) - params.vPTAT25);
Ta = Ta / params.KtPTAT + 25.;
SEND("Ta="); float2str(Ta, 2); newline();
i16a = (int16_t)IMD_VAL(REG_IGAIN);
float Kgain = params.gainEE / (float)i16a;
SEND("Kgain="); float2str(Kgain, 2); newline();
;
//int idx = (row&1)<<1;
//for(int col = 0; col < 32; ++col){
// *fp++ = (ktaavg[idx|(col&1)]
// pix_gain = pix*Kgain
// pix_os = pix_gain - offset*(1+kta*(Ta-Ta0))*(1+kv*(vdd-vdd0))
}
/**
* @brief process_subpage - calculate all parameters from `dataarray` into `mlx_image`
*/
static void process_subpage(){
DBG("process_subpage()");
SEND("Tms="); printu(Tms); newline();
SEND("subpage="); printu(subpageno); newline();
(void)subpageno; (void)simpleimage;
for(int i = 0; i < 32; ++i){
for(int i = 0; i < MLX_W; ++i){
printi((int8_t)dataarray[i]); bufputchar(' ');
} newline();
stage1();
SEND("072a="); printuhex(IMD_VAL(REG_IVDDPIX));
SEND("\n0720="); printuhex(IMD_VAL(REG_ITAPTAT));
SEND("\n0700="); printuhex(IMD_VAL(REG_ITAVBE));
SEND("\n070a="); printuhex(IMD_VAL(REG_IGAIN)); newline();
int16_t i16a = (int16_t)IMD_VAL(REG_IVDDPIX);
float dvdd = i16a - params.vdd25;
dvdd = dvdd / params.kVdd;
SEND("Vd="); float2str(dvdd+3.3f, 2); newline();
i16a = (int16_t)IMD_VAL(REG_ITAPTAT);
int16_t i16b = (int16_t)IMD_VAL(REG_ITAVBE);
float dTa = (float)i16a / (i16a * params.alphaPTAT + i16b); // vptatart
dTa *= (float)(1<<18);
dTa = (dTa / (1 + params.KvPTAT*dvdd) - params.vPTAT25);
dTa = dTa / params.KtPTAT; // without 25degr - Ta0
SEND("Ta="); float2str(dTa+25., 2); newline();
i16a = (int16_t)IMD_VAL(REG_IGAIN);
float Kgain = params.gainEE / (float)i16a;
SEND("Kgain="); float2str(Kgain, 2); newline();
// now make first approximation to image
uint16_t pixno = 0; // current pixel number - for indexing in parameters etc
for(int row = 0; row < MLX_H; ++row){
int idx = (row&1)<<1; // index for params.kv
for(int col = 0; col < MLX_W; ++col, ++pixno){
uint8_t sp = (row&1)^(col&1); // subpage of current pixel
if(sp != subpageno) continue;
register float curval = (float)((int16_t)dataarray[pixno]) * Kgain; // gain compensation
curval -= params.offset[pixno] * (1.f + params.kta[pixno]*dTa) *
(1.f + params.kv[idx|(col&1)]*dvdd); // add offset
float IRcompens = curval; // IR_compensated
curval -= params.cpOffset[subpageno] * (1.f - params.cpKta * dTa) *
(1.f + params.cpKv * dvdd); // CP
if(!simpleimage){
curval = IRcompens - params.tgc * curval; // IR gradient compens
float alphaComp = params.alpha[pixno] - params.tgc * params.cpAlpha[subpageno];
alphaComp /= 1.f + params.KsTa * dTa;
// calculate To for basic range
float Tar = dTa + 273.15f + 25.f;
Tar = Tar*Tar*Tar*Tar;
float ac3 = alphaComp*alphaComp*alphaComp;
float Sx = ac3*IRcompens + alphaComp*ac3*Tar;
Sx = params.KsTa * sqrt(sqrt(Sx));
float To = IRcompens / (alphaComp * (1.f - params.ksTo[1]) + Sx) + Tar;
curval = sqrt(sqrt(To)) - 273.15; // To
// TODO: extended
}
mlx_image[pixno] = curval;
}
}
SEND("Tms="); printu(Tms); newline();
NL();
}
// start image acquiring for next subpage
static int startima(){
DBG("startima()");
// write `overwrite` flag twice
if(!write_reg(REG_CONTROL, reg_control_val[subpageno]) ||
!write_reg(REG_STATUS, REG_STATUS_OVWEN) ||
!write_reg(REG_STATUS, REG_STATUS_OVWEN)) return FALSE;
return TRUE;
}
/**
* @brief parse_buffer - swap bytes in `dataarray` (after receiving or before transmitting data)
*/
*
static void parse_buffer(){
uint16_t *ptr = dataarray;
DBG("parse_buffer()");
@ -371,7 +407,7 @@ static void parse_buffer(){
#if 0
sendbuf();
#endif
}
}*/
/**
* @brief mlx90640_process - main finite-state machine
@ -382,13 +418,14 @@ void mlx90640_process(){
#define chktmout() do{if(Tms - Tlast > MLX_TIMEOUT){chstate(M_ERROR); DBG("Timeout! -> M_ERROR"); }}while(0)
static int errctr = 0;
static uint32_t Tlast = 0;
uint16_t reg, N;
/*
uint8_t gotdata = 0;
uint16_t reg;
if(i2cDMAr == I2C_DMA_READY){ // convert received data into little-endian
i2cDMAr = I2C_DMA_RELAX;
parse_buffer();
gotdata = 1;
}
}*/
switch(mlx_state){
case M_FIRSTSTART: // init working mode by request
if(write_reg(REG_CONTROL, reg_control_val[0])
@ -396,14 +433,30 @@ void mlx90640_process(){
SEND("REG_CTRL="); printuhex(reg); NL();
if(read_reg(REG_STATUS, &reg)){
SEND("REG_STATUS="); printuhex(reg); NL();}
if(read_data_dma(REG_CALIDATA, REG_CALIDATA_LEN)){
/*
#define PARTD 512
if(read_data_dma(REG_CALIDATA, PARTD)){
chstate(M_READCONF);
DBG("-> M_READCONF");
}else chkerr();
*/
N = REG_CALIDATA_LEN;
if(read_data(REG_CALIDATA, &N)){
chstate(M_READCONF);
DBG("-> M_READCONF");
}else chkerr();
}else chkerr();
break;
case M_READCONF:
if(gotdata){ // calculate calibration parameters
//if(gotdata){ // calculate calibration parameters
/* uint16_t *d = &dataarray[PARTD];
for(uint16_t r = REG_CALIDATA+PARTD; r < REG_CALIDATA + REG_CALIDATA_LEN; ++r){
if(!read_reg(r, d++)){
chstate(M_FIRSTSTART);
DBG("can't read all confdata -> M_FIRSTSTART");
return;
}
}*/
if(get_parameters()){
chstate(M_RELAX);
DBG("-> M_RELAX");
@ -411,16 +464,15 @@ void mlx90640_process(){
chstate(M_FIRSTSTART);
DBG("-> M_FIRSTSTART");
}
}else chktmout();
//}else chktmout();
break;
case M_STARTIMA:
subpageno = 0;
if(startima()){
chstate(M_PROCESS);
DBG("-> M_PROCESS");
}else{
chstate(M_ERROR);
DBG("can't start sp0 -> M_ERROR");
DBG("can't start subpage -> M_ERROR");
}
break;
case M_PROCESS:
@ -430,7 +482,15 @@ void mlx90640_process(){
chstate(M_ERROR);
DBG("wrong subpage number -> M_ERROR");
}else{ // all OK, run image reading
if(read_data_dma(REG_IMAGEDATA, MLX_PIXARRSZ)){
write_reg(REG_STATUS, 0); // clear rdy bit
/*
if(read_data_dma(REG_IMAGEDATA, PARTD)){
chstate(M_READOUT);
DBG("-> M_READOUT");
}else chkerr();
*/
N = MLX_PIXARRSZ;
if(read_data(REG_IMAGEDATA, &N)){
chstate(M_READOUT);
DBG("-> M_READOUT");
}else chkerr();
@ -439,21 +499,29 @@ void mlx90640_process(){
}else chkerr();
break;
case M_READOUT:
if(gotdata){
//if(gotdata){
/* uint16_t *d = &dataarray[PARTD];
for(uint16_t r = REG_IMAGEDATA+PARTD; r < REG_IMAGEDATA+MLX_PIXARRSZ; ++r){
if(!read_reg(r, d++)){
chstate(M_ERROR);
DBG("can't read all confdata -> M_ERROR");
return;
}
}*/
process_subpage();
subpageno = !subpageno;
DBG("Subpage ready");
chstate(M_RELAX);
/*
if(++subpageno > 1){ // image ready
subpageno = 0;
chstate(M_RELAX);
DBG("Image READY!");
}else{
if(startima()){
chstate(M_PROCESS);
DBG("-> M_PROCESS");
}else{
chstate(M_ERROR);
DBG("can't start sp1 -> M_ERROR");
}
}
}else chktmout();
chstate(M_STARTIMA);
DBG("-> M_STARTIMA");
}*/
//}else chktmout();
break;
case M_POWERON:
if(Tms - Tlast > MLX_POWON_WAIT){
@ -494,12 +562,17 @@ void mlx90640_restart(){
// @param simple ==1 for simplest image processing (without T calibration)
int mlx90640_take_image(uint8_t simple){
simpleimage = simple;
if(mlx_state != M_RELAX) return FALSE;
if(mlx_state == M_ERROR){
DBG("Restart I2C");
i2c_setup(i2cDMAr != I2C_DMA_NOTINIT);
} else if(mlx_state != M_RELAX) return FALSE;
if(params.kVdd == 0){ // no parameters -> make first run
mlx_state = M_FIRSTSTART;
DBG("no params -> M_FIRSTSTART");
return TRUE;
}
//subpageno = 0;
mlx_state = M_STARTIMA;
DBG("-> M_STARTIMA");
return TRUE;
}

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@ -31,7 +31,9 @@
#define MLX_POWON_WAIT 2000
// amount of pixels
#define MLX_PIXNO (24*32)
#define MLX_W (32)
#define MLX_H (24)
#define MLX_PIXNO (MLX_W*MLX_H)
// pixels + service data
#define MLX_PIXARRSZ (MLX_PIXNO + 64)
@ -48,10 +50,10 @@ typedef struct{
float cpKta; // K_Ta_CP
float KsTa;
float CT[3]; // range borders (0, 160, 320 degrC?)
float ksTo[4]; // K_S_To for each range
float ksTo[4]; // K_S_To for each range * 273.15
float alphacorr[4]; // Alpha_corr for each range
float alpha[MLX_PIXNO]; // full - with alpha_scale
int16_t offset[MLX_PIXNO];
float offset[MLX_PIXNO];
float kta[MLX_PIXNO]; // full K_ta - with scale1&2
float kv[4]; // full - with scale; 0 - odd row, odd col; 1 - odd row even col; 2 - even row, odd col; 3 - even row, even col
float cpAlpha[2]; // alpha_CP_subpage 0 and 1
@ -85,7 +87,7 @@ extern float mlx_image[MLX_PIXNO];
int read_reg(uint16_t reg, uint16_t *val);
int write_reg(uint16_t reg, uint16_t val);
int read_data(uint16_t reg, uint16_t *data, int N);
uint16_t *read_data(uint16_t reg, uint16_t *N);
int read_data_dma(uint16_t reg, int N);
void mlx90640_process();
int mlx90640_take_image(uint8_t simple);

View File

@ -23,8 +23,6 @@
#include "usb.h"
#include "version.inc"
#define D16LEN (256)
extern uint32_t Tms;
static const char* _states[M_STATES_AMOUNT] = {
@ -51,7 +49,6 @@ static void dumpfarr(float *arr){
}
static void dumpparams(){
int16_t *pi16;
SEND("\nkVdd="); printi(params.kVdd);
SEND("\nvdd25="); printi(params.vdd25);
SEND("\nKvPTAT="); float2str(params.KvPTAT, 4);
@ -60,10 +57,10 @@ static void dumpparams(){
SEND("\nalphaPTAT="); float2str(params.alphaPTAT, 2);
SEND("\ngainEE="); printi(params.gainEE);
SEND("\nPixel offset parameters:\n");
pi16 = params.offset;
float *offset = params.offset;
for(int row = 0; row < 24; ++row){
for(int col = 0; col < 32; ++col){
printi(*pi16++); bufputchar(' ');
float2str(*offset++, 2); bufputchar(' ');
}
newline();
}
@ -94,10 +91,21 @@ static void dumpparams(){
NL();
}
static void dumpimage(){
float *idata = mlx_image;
for(int row = 0; row < MLX_H; ++row){
for(int col = 0; col < MLX_W; ++col, ++idata){
float2str(*idata,1); bufputchar(' ');
}
newline();
}
NL();
}
const char *parse_cmd(char *buf){
int32_t Num = 0;
uint16_t r, d;
uint16_t data[D16LEN];
uint16_t *data;
const float pi = 3.1415927f, e = 2.7182818f;
char *ptr, cmd = *buf++;
switch(cmd){
@ -112,7 +120,7 @@ const char *parse_cmd(char *buf){
if(buf != (ptr = getnum(buf, &Num))){
r = Num;
if(ptr != getnum(ptr, &Num)){
if(Num < 1) return "N>0";
if(Num < 1 || Num > MLX_DMA_MAXLEN) return "0<N<=832";
if(!read_data_dma(r, Num)) return("Can't read");
else return "OK";
}else return "Need amount";
@ -143,9 +151,13 @@ const char *parse_cmd(char *buf){
if(buf != (ptr = getnum(buf, &Num))){
r = Num;
if(ptr != getnum(ptr, &Num)){
if(Num < 1 || Num > 256) return "N from 0 to 256";
d = read_data(r, data, Num);
if(d < Num){
if(Num < 1 || Num > MLX_DMA_MAXLEN) return "N from 0 to 832";
uint16_t od = d = Num;
if(!(data = read_data(r, &d))){
SEND("Can't read\n");
return NULL;
}
if(d != od){
addtobuf("Got only ");
printu(d);
addtobuf(" values\n");
@ -190,6 +202,10 @@ const char *parse_cmd(char *buf){
USB_sendstr("Soft reset\n");
NVIC_SystemReset();
break;
case 'S':
dumpimage();
return NULL;
break;
case 'T':
SEND("Tms="); printu(Tms); NL();
return NULL;
@ -201,17 +217,6 @@ const char *parse_cmd(char *buf){
if(write_reg(r, Num)) return "OK";
else return "Failed";
break;
case 'W':
r = 0;
while(r < D16LEN){
if(buf == (ptr = getnum(buf, &Num))) break;
data[r++] = ((Num & 0xff) << 8) | (Num >> 8);
buf = ptr + 1;
}
if(r == 0) return "Need at least one uint8_t";
if(I2C_OK == i2c_7bit_send((uint8_t*)data, r*2, 1)) return "Sent\n";
else return "Error\n";
break;
default: // help
addtobuf(
"MLX90640 build #" BUILD_NUMBER " @" BUILD_DATE "\n\n"
@ -219,16 +224,16 @@ const char *parse_cmd(char *buf){
"'d reg N' - read registers starting from `reg` using DMA\n"
"'Ee' - expose image: E - full, e - simple\n"
"'f' - test float printf (0.00, 3.1, -2.72, -3.142, 2.7183, -INF, NAN)\n"
"'g reg N' - read N (<256) registers starting from `reg`\n"
"'g reg N' - read N registers starting from `reg`\n"
"'I' - restart I2C\n"
"'M' - MLX state\n"
"'O' - turn On or restart MLX sensor\n"
"'P' - dump params\n"
"'r reg' - read `reg`\n"
"'R' - software reset\n"
"'S' - show image\n"
"'T' - get Tms\n"
"'w reg dword' - write `dword` to `reg`\n"
"'W d0 d1 ...' - write N (<256) 16-bit words directly to I2C\n"
);
NL();
return NULL;

View File

@ -66,13 +66,15 @@ static int usbwr(const uint8_t *buf, uint16_t l){
while(--ctra && tx_succesfull == 0){
IWDG->KR = IWDG_REFRESH;
}
if(tx_succesfull == 0) return 1;
tx_succesfull = 0;
EP_Write(3, buf, l);
ctra = 1000000;
/* ctra = 1000000;
while(--ctra && tx_succesfull == 0){
IWDG->KR = IWDG_REFRESH;
}
if(tx_succesfull == 0){usbON = 0; return 1;} // usb is OFF?
*/
return 0;
}

View File

@ -1,2 +1,2 @@
#define BUILD_NUMBER "141"
#define BUILD_DATE "2022-05-19"
#define BUILD_NUMBER "197"
#define BUILD_DATE "2022-05-20"