add ADC (don't working DAC, don't workint Tsens)

2026-02-28 11:54:30 +03:00 · 2023-01-23 17:35:44 +03:00
parent a74e6f071b
commit 3b3c150474
32 changed files with 2598 additions and 0 deletions
--- a/F3:F303/ADC/proto.c
+++ b/F3:F303/ADC/proto.c
@@ -0,0 +1,115 @@
+/*
+ * This file is part of the adc project.
+ * Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stm32f3.h>
+#include <string.h>
+
+#include "adc.h"
+#include "strfunc.h"
+#include "usb.h"
+#include "version.inc"
+
+//#define LOCBUFFSZ       (32)
+// local buffer for I2C data to send
+//static uint8_t locBuffer[LOCBUFFSZ];
+extern volatile uint32_t Tms;
+volatile uint8_t ADCmon = 0;
+
+const char *helpstring =
+        "https://github.com/eddyem/stm32samples/tree/master/F3:F303/I2C_scan build#" BUILD_NUMBER " @ " BUILD_DATE "\n"
+        "A - get ADC values\n"
+        "dx - change DAC current value to x\n"
+        "m - monitor ADC on/off\n"
+        "t - MCU temperature\n"
+        "T - print current Tms\n"
+        "v - Vdd\n"
+;
+/*
+// read N numbers from buf, @return 0 if wrong or none
+TRUE_INLINE uint16_t readNnumbers(const char *buf){
+    uint32_t D;
+    const char *nxt;
+    uint16_t N = 0;
+    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");
+    }
+    USND("Send "); USND(u2str(N)); USND(" bytes\n");
+    return 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 "Wrong DAC amplitude\n";
+    DAC1->DHR12R1 = D;
+    return "OK";
+}
+
+void printADCvals(){
+    USB_sendstr("AIN0: "); USB_sendstr(u2str(getADCval(ADC_AIN0)));
+    USB_sendstr(" ("); USB_sendstr(float2str(getADCvoltage(ADC_AIN0), 2));
+    USB_sendstr(" V)\nAIN1: "); USB_sendstr(u2str(getADCval(ADC_AIN1)));
+    USB_sendstr(" ("); USB_sendstr(float2str(getADCvoltage(ADC_AIN1), 2));
+    USB_sendstr(" V)\nAIN5: "); USB_sendstr(u2str(getADCval(ADC_AIN5)));
+    USB_sendstr(" ("); USB_sendstr(float2str(getADCvoltage(ADC_AIN5), 2));
+    USB_sendstr(" V)\nTS: ");
+    USB_sendstr(u2str(getADCval(ADC_TS)));
+    USB_sendstr("\nVREF: ");
+    USB_sendstr(u2str(getADCval(ADC_VREF)));
+    newline();
+}
+
+const char *parse_cmd(const char *buf){
+    // "long" commands
+    switch(*buf){
+        case 'd':
+            return DAC_chval(buf + 1);
+        break;
+    }
+    // "short" commands
+    if(buf[1]) return buf; // echo wrong data
+    switch(*buf){
+        case 'A':
+            printADCvals();
+        break;
+        case 'm':
+            ADCmon = !ADCmon;
+            USB_sendstr("Monitoring is ");
+            if(ADCmon) USB_sendstr("on\n");
+            else USB_sendstr("off\n");
+        break;
+        case 't':
+            return float2str(getMCUtemp(), 2);
+        break;
+        case 'T':
+            USB_sendstr("T=");
+            USB_sendstr(u2str(Tms));
+            newline();
+        break;
+        case 'v':
+            return float2str(getVdd(), 2);
+        break;
+        default: // help
+            USB_sendstr(helpstring);
+        break;
+    }
+    return NULL;
+}