feat(bsec): Apply default configuration if there is no config file

epicardium/modules/bsec.c

@@ -12,8 +12,13 @@
 
 #include "max32665.h"
 #include "gcr_regs.h"
+
+#include <string.h>
 #include <stdio.h>
 
+// From generic_18v_3s_4d/bsec_serialized_configurations_iaq.c
+static const uint8_t bsec_config_generic_18v_3s_4d[454] = {4,7,4,1,61,0,0,0,0,0,0,0,174,1,0,0,48,0,1,0,0,192,168,71,64,49,119,76,0,0,225,68,137,65,0,63,205,204,204,62,0,0,64,63,205,204,204,62,0,0,0,0,216,85,0,100,0,0,0,0,0,0,0,0,28,0,2,0,0,244,1,225,0,25,0,0,128,64,0,0,32,65,144,1,0,0,112,65,0,0,0,63,16,0,3,0,10,215,163,60,10,215,35,59,10,215,35,59,9,0,5,0,0,0,0,0,1,88,0,9,0,7,240,150,61,0,0,0,0,0,0,0,0,28,124,225,61,52,128,215,63,0,0,160,64,0,0,0,0,0,0,0,0,205,204,12,62,103,213,39,62,230,63,76,192,0,0,0,0,0,0,0,0,145,237,60,191,251,58,64,63,177,80,131,64,0,0,0,0,0,0,0,0,93,254,227,62,54,60,133,191,0,0,64,64,12,0,10,0,0,0,0,0,0,0,0,0,229,0,254,0,2,1,5,48,117,100,0,44,1,112,23,151,7,132,3,197,0,92,4,144,1,64,1,64,1,144,1,48,117,48,117,48,117,48,117,100,0,100,0,100,0,48,117,48,117,48,117,100,0,100,0,48,117,48,117,100,0,100,0,100,0,100,0,48,117,48,117,48,117,100,0,100,0,100,0,48,117,48,117,100,0,100,0,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,255,255,255,255,255,255,255,255,220,5,220,5,220,5,255,255,255,255,255,255,220,5,220,5,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,44,1,0,0,0,0,52,233,0,0};
+
 /**********************************************************************************************************************/
 /* header files */
 /**********************************************************************************************************************/
@@ -83,12 +88,12 @@ void output_ready(
 	       (unsigned int)(breath_voc_equivalent * 1e6));
 }
 
-static int bsec_load(char *path, uint8_t *buffer, uint32_t n_buffer)
+static uint32_t bsec_load(char *path, uint8_t *buffer, uint32_t n_buffer)
 {
 	uint32_t len = 0;
 	int fd, res;
 
-	printf("BSEC load %s %d\n", path, (int)n_buffer);
+	printf("BSEC load %s %lu\n", path, n_buffer);
 
 	if ((fd = epic_file_open(path, "r")) < 0) {
 		printf("Open failed\n");
@@ -107,7 +112,7 @@ static int bsec_load(char *path, uint8_t *buffer, uint32_t n_buffer)
 		goto done;
 	}
 
-	if (epic_file_read(fd, buffer, header) != header) {
+	if (epic_file_read(fd, buffer, header) != (int)header) {
 		printf("Read failed\n");
 		goto done;
 	}
@@ -158,7 +163,7 @@ void state_save(const uint8_t *state_buffer, uint32_t length)
 		goto done;
 	}
 
-	if (epic_file_write(fd, state_buffer, header) != header) {
+	if (epic_file_write(fd, state_buffer, header) != (int)header) {
 		printf("Write failed\n");
 		goto done;
 	}
@@ -198,7 +203,15 @@ i2c_read(uint8_t addr, uint8_t reg, uint8_t *p_buf, uint16_t size)
  */
 uint32_t config_load(uint8_t *config_buffer, uint32_t n_buffer)
 {
-	return bsec_load("bsec_iaq.config", config_buffer, n_buffer);
+	uint32_t len = bsec_load("bsec_iaq.config", config_buffer, n_buffer);
+
+	if (len == 0) {
+		printf("Using default bsec_config_generic_18v_3s_4d\n");
+		len = sizeof(bsec_config_generic_18v_3s_4d);
+		memcpy(config_buffer, bsec_config_generic_18v_3s_4d, len);
+	}
+
+	return len;
 }
 
 #if 0
@@ -266,10 +279,12 @@ void vBSECTask(void *pvParameters)
 	);
 #endif
 	if (ret.bme680_status) {
+		printf("bme680 init failed\n");
 		/* Could not intialize BME680 or BSEC library */
 		while (1)
 			;
 	} else if (ret.bsec_status) {
+		printf("bsec init failed\n");
 		/* Could not intialize BSEC library */
 		while (1)
 			;