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add ADC/DAC and PWM

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This commit is contained in:
Edward Emelianov
2025-10-06 23:27:30 +03:00
parent 17b4d714e0
commit 24ddc7e1a6
16 changed files with 477 additions and 932 deletions
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85
F3:F303/MLX90640-allsky/proto.c
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@@ -20,6 +20,7 @@
#include <stm32f3.h>
#include <string.h>
#include "adc.h"
#include "hardware.h"
#include "i2c.h"
#include "mlxproc.h"
@@ -89,12 +90,16 @@ const char *const helpstring =
"i0..4 - setup I2C with speed 10k, 100k, 400k, 1M or 2M (experimental!)\n"
"p - pause MLX\n"
"s - stop MLX (and start from zero @ 'c')\n"
"A - get ADC values\n"
"C - \"cartoon\" mode on/off (show each new image) - USB only!!!\n"
"Dn - dump MLX parameters for sensor number n\n"
"Ia addr [n] - set device address for interactive work or (with n) change address of n'th sensor\n"
"Ir reg n - read n words from 16-bit register\n"
"Iw words - send words (hex/dec/oct/bin) to I2C\n"
"Is - scan I2C bus\n"
"M - get MCU temperature and Vdd value\n"
"O - set output of DAC (0..4095)\n"
"Px - set PWM output (0..100%) or get current value\n"
"Us - send string 's' to other interface\n"
;
@@ -140,7 +145,7 @@ static int getsensnum(const char *buf){
if(!buf || !*buf) return -1;
uint32_t num;
const char *nxt = getnum(buf, &num);
if(!nxt || nxt == buf || num >= N_SESORS) return -1;
if(!nxt || nxt == buf || num >= N_SENSORS) return -1;
return (int) num;
}
@@ -311,7 +316,7 @@ TRUE_INLINE void listactive(){
uint8_t *ids = mlx_activeids();
sendfun->S("Found "); sendfun->P('0'+N);
sendfun->S(" active sensors:"); N();
for(int i = 0; i < N_SESORS; ++i)
for(int i = 0; i < N_SENSORS; ++i)
if(ids[i]){
sendfun->S("SENSID");
sendfun->S(u2str(i)); sendfun->P('=');
@@ -331,6 +336,7 @@ TRUE_INLINE void getenv(){
bme280_t env;
if(!get_environment(&env)) sendfun->S("BADENVIRONMENT\n");
sendfun->S("TEMPERATURE="); sendfun->S(float2str(env.T, 2));
sendfun->S("\nSKYTEMPERATURE="); sendfun->S(float2str(env.Tsky, 2));
sendfun->S("\nPRESSURE_HPA="); sendfun->S(float2str(env.P/100.f, 2));
sendfun->S("\nPRESSURE_MM="); sendfun->S(float2str(env.P * 0.00750062f, 2));
sendfun->S("\nHUMIDITY="); sendfun->S(float2str(env.H, 2));
@@ -339,6 +345,43 @@ TRUE_INLINE void getenv(){
N();
}
TRUE_INLINE const char *DAC_chval(const char *buf){
uint32_t D;
const char *nxt = getnum(buf, &D);
if(!nxt || nxt == buf || D > 4095) return ERR;
DAC1->DHR12R1 = D;
return OK;
}
TRUE_INLINE void getADC(){
sendfun->S("AIN0="); sendfun->S(u2str(getADCval(ADC_AIN0)));
sendfun->S("\nAIN1="); sendfun->S(u2str(getADCval(ADC_AIN1)));
sendfun->S("\nAIN5="); sendfun->S(u2str(getADCval(ADC_AIN5)));
N();
}
TRUE_INLINE void getMCUvals(){
sendfun->S("MCUTEMP="); sendfun->S(float2str(getMCUtemp(), 2));
sendfun->S("\nMCUVDD="); sendfun->S(float2str(getVdd(), 2));
N();
}
TRUE_INLINE const char* setpwm(const char *buf){
uint32_t D;
if(!buf || !*buf){
sendfun->S("PWM1="); sendfun->S(u2str(TIM3->CCR1));
sendfun->S("\nPWM2="); sendfun->S(u2str(TIM3->CCR2));
sendfun->S("\nPWM3="); sendfun->S(u2str(TIM3->CCR3));
sendfun->S("\nPWM4="); sendfun->S(u2str(TIM3->CCR4));
N();
return NULL;
}
const char *nxt = getnum(buf, &D);
if(!nxt || nxt == buf || !setPWM(PWM_CH_HEATER, D)) return ERR;
return OK;
}
/**
* @brief parse_cmd - user string parser
* @param buf - user data
@@ -349,32 +392,32 @@ const char *parse_cmd(char *buf, int sendto){
if(!buf || !*buf) return NULL;
chsendfun(sendto);
if(buf[1]){
switch(*buf){ // "long" commands
switch(*buf++){ // "long" commands
case 'a':
return chhwaddr(buf + 1);
return chhwaddr(buf);
case 'd':
return drawimg(buf+1, 1);
return drawimg(buf, 1);
case 'g':
return drawimg(buf+1, 2);
return drawimg(buf, 2);
case 'i':
return setupI2C(buf + 1);
return setupI2C(buf);
case 'm':
return drawimg(buf+1, 0);
return drawimg(buf, 0);
case 't':
getimt(buf + 1); return NULL;
getimt(buf); return NULL;
case 'D':
dumpparams(buf + 1);
dumpparams(buf);
return NULL;
break;
case 'I':
buf = omit_spaces(buf + 1);
buf = omit_spaces(buf);
switch(*buf){
case 'a':
return chaddr(buf + 1);
return chaddr(buf);
case 'r':
return rdI2C(buf + 1);
return rdI2C(buf);
case 'w':
return wrI2C(buf + 1);
return wrI2C(buf);
case 's':
i2c_init_scan_mode();
return OK;
@@ -382,16 +425,23 @@ const char *parse_cmd(char *buf, int sendto){
return ERR;
}
break;
case 'O':
return DAC_chval(buf);
case 'P':
return setpwm(buf);
case 'U':
if(sendto == SEND_USB) chsendfun(SEND_USART);
else chsendfun(SEND_USB);
if(sendfun->S(buf + 1) && N()) return OK;
if(sendfun->S(buf) && N()) return OK;
return ERR;
default:
return ERR;
}
}
switch(*buf){ // "short" (one letter) commands
case 'A':
getADC();
break;
case 'c':
mlx_continue(); return OK;
break;
@@ -416,6 +466,11 @@ const char *parse_cmd(char *buf, int sendto){
case 'G':
getst();
break;
case 'M':
getMCUvals();
break;
case 'P':
return setpwm(NULL);
case 'R':
NVIC_SystemReset();
break;