start coding for multi-sensor variant: gather data of all sensors and process image[N] only by request

F3:F303/MLX90640multi/mlxproc.h

@@ -0,0 +1,48 @@
+/*
+ * This file is part of the mlx90640 project.
+ * Copyright 2025 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/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#include "mlx90640.h"
+
+// maximal errors number to stop processing
+#define MLX_MAX_ERRORS      (11)
+// if there's no new data by this time - reset bus
+#define MLX_I2CERR_TMOUT    (5000)
+
+typedef enum{
+    MLX_NOTINIT,        // just start - need to get parameters
+    MLX_WAITPARAMS,     // wait for parameters DMA reading
+    MLX_WAITSUBPAGE,    // wait for subpage changing
+    MLX_READSUBPAGE,    // wait ending of subpage DMA reading
+    MLX_RELAX           // do nothing - pause
+} mlx_state_t;
+
+int mlx_setaddr(uint8_t addr);
+mlx_state_t mlx_state();
+void mlx_stop();
+void mlx_continue();
+void mlx_process();
+int mlx_getparams(MLX90640_params *pars);
+fp_t *mlx_getimage(uint32_t *Tgot);
+int mlx_setresolution(uint8_t newresol);
+uint8_t mlx_getresolution();
+int mlx_sethwaddr(uint8_t addr);
+uint32_t mlx_lastimT();