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safe NVS parsing

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Philippe G
2021-12-06 18:29:04 -08:00
parent 5ac153f808
commit a9efcfeca8
9 changed files with 114 additions and 101 deletions
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11
components/squeezelite/adac_core.c
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@@ -17,6 +17,11 @@
#include "esp_log.h"
#include "adac.h"
#define PARSE_PARAM(S,P,C,V) do { \
char *__p; \
if ((__p = strcasestr(S, P)) && (__p = strchr(__p, C))) V = atoi(__p+1); \
} while (0)
static const char TAG[] = "DAC core";
static int i2c_port = -1;
@@ -46,9 +51,9 @@ int adac_init(char *config, int i2c_port_num) {
.master.clk_speed = 250000,
};
if ((p = strcasestr(config, "i2c")) != NULL) i2c_addr = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
PARSE_PARAM(config, "i2c", '=', i2c_addr);
PARSE_PARAM(config, "sda", '=', i2c_config.sda_io_num);
PARSE_PARAM(config, "scl", '=', i2c_config.scl_io_num);
if (i2c_config.sda_io_num == -1 || i2c_config.scl_io_num == -1) {
ESP_LOGW(TAG, "DAC does not use i2c");