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@@ -30,7 +30,8 @@
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#define NACK_VAL 0x1 /*!< I2C nack value */
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static const char *TAG = "cmd_i2ctools";
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-
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+#define NOT_OUTPUT "has input capabilities only"
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+#define NOT_GPIO "is not a GPIO"
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static gpio_num_t i2c_gpio_sda = 19;
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static gpio_num_t i2c_gpio_scl = 18;
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static uint32_t i2c_frequency = 100000;
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@@ -62,11 +63,12 @@ static struct {
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} i2cdump_args;
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static struct {
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- struct arg_lit *load;
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struct arg_int *port;
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struct arg_int *freq;
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struct arg_int *sda;
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struct arg_int *scl;
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+ struct arg_lit *load;
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+ struct arg_lit *clear;
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struct arg_end *end;
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} i2cconfig_args;
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@@ -371,7 +373,6 @@ static int do_i2c_show_display(int argc, char **argv){
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static int do_i2c_set_display(int argc, char **argv)
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{
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int width=0, height=0, address=60, back=-1, speed=8000000 ;
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- int result = 0;
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char * name = NULL;
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char * driver= NULL;
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char config_string[200]={};
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@@ -444,7 +445,7 @@ static int do_i2c_set_display(int argc, char **argv)
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if (i2cdisp_args.back->count) {
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back=i2cdisp_args.back->ival[0];
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if(!GPIO_IS_VALID_OUTPUT_GPIO(back)){
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- fprintf(f,"Invalid GPIO for back light: %d %s\n", back, GPIO_IS_VALID_GPIO(back)?"has input capabilities only":"is not a GPIO");
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+ fprintf(f,"Invalid GPIO for back light: %d %s\n", back, GPIO_IS_VALID_GPIO(back)?NOT_OUTPUT:NOT_GPIO );
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back=-1;
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nerrors ++;
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}
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@@ -489,29 +490,40 @@ static int do_i2c_set_display(int argc, char **argv)
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name,back,speed,width,height,address,driver,rotate || i2cdisp_args.hflip->count?",HFlip":"",rotate || i2cdisp_args.vflip->count?",VFlip":"" );
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fprintf(f,"Updating display configuration string configuration to :\n"
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"display_config = \"%s\"",config_string );
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- result = config_set_value(NVS_TYPE_STR, "display_config", config_string)!=ESP_OK;
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- }
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- else {
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- result = 1;
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+ nerrors = config_set_value(NVS_TYPE_STR, "display_config", config_string)!=ESP_OK;
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}
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+
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FREE_AND_NULL(name);
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FREE_AND_NULL(driver);
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fflush (f);
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log_send_messaging(nerrors>0?MESSAGING_ERROR:MESSAGING_INFO,"%s", buf);
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fclose(f);
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FREE_AND_NULL(buf);
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- return result;
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+ return nerrors==0;
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}
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static int do_i2cconfig_cmd(int argc, char **argv)
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{
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esp_err_t err=ESP_OK;
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- int res=0;
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- char * err_message=malloc(1);
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int nerrors = arg_parse_msg(argc, argv,(struct arg_hdr **)&i2cconfig_args);
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if (nerrors != 0) {
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return 0;
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}
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+ /* Check "--clear" option */
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+ if (i2cconfig_args.clear->count) {
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+ log_send_messaging(MESSAGING_WARNING,"i2c config cleared");
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+ config_set_value(NVS_TYPE_STR, "i2c_config", "");
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+ return 0;
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+ }
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+
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+ char *buf = NULL;
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+ size_t buf_size = 0;
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+ FILE *f = open_memstream(&buf, &buf_size);
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+ if (f == NULL) {
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+ log_send_messaging(MESSAGING_ERROR,"Unable to open memory stream.");
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+ return 0;
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+ }
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+
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/* Check "--load" option */
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if (i2cconfig_args.load->count) {
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log_send_messaging(MESSAGING_WARNING,"Loading i2c config");
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@@ -522,8 +534,8 @@ static int do_i2cconfig_cmd(int argc, char **argv)
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/* Check "--port" option */
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if (i2cconfig_args.port->count) {
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if (i2c_get_port(i2cconfig_args.port->ival[0], &i2c_port) != ESP_OK) {
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- log_send_messaging(MESSAGING_ERROR, "Invalid port %u ",i2cconfig_args.port->ival[0]);
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- return 1;
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+ fprintf(f,"Invalid port %u \n",i2cconfig_args.port->ival[0]);
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+ nerrors ++;
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}
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}
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/* Check "--freq" option */
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@@ -533,60 +545,67 @@ static int do_i2cconfig_cmd(int argc, char **argv)
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if (i2cconfig_args.sda->count){
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/* Check "--sda" option */
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i2c_gpio_sda = i2cconfig_args.sda->ival[0];
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+ if(!GPIO_IS_VALID_OUTPUT_GPIO(i2c_gpio_sda )){
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+ fprintf(f,"Invalid SDA gpio: %d %s\n", i2c_gpio_sda , GPIO_IS_VALID_GPIO(i2c_gpio_sda )?NOT_OUTPUT:NOT_GPIO );
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+ nerrors ++;
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+ }
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}
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else {
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- REALLOC_CAT(err_message,"Missing --sda option.");
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- res=1;
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+ fprintf(f,"Missing SDA GPIO\n");
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+ nerrors ++;
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}
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-
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if (i2cconfig_args.scl->count){
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- /* Check "--sda" option */
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+ /* Check "--scl" option */
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i2c_gpio_scl = i2cconfig_args.scl->ival[0];
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+ if(!GPIO_IS_VALID_OUTPUT_GPIO(i2c_gpio_scl )){
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+ fprintf(f,"Invalid SCL gpio: %d %s\n", i2c_gpio_scl , GPIO_IS_VALID_GPIO(i2c_gpio_scl )?NOT_OUTPUT:NOT_GPIO );
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+ nerrors ++;
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+ }
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}
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else {
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- REALLOC_CAT(err_message,"Missing --scl option.");
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- res=1;
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+ fprintf(f,"Missing SCL GPIO\n");
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+ nerrors ++;
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}
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}
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#ifdef CONFIG_SQUEEZEAMP
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if (i2c_port == I2C_NUM_0) {
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i2c_port = I2C_NUM_1;
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- log_send_messaging(MESSAGING_ERROR, "can't use i2c port 0 on SqueezeAMP. Changing to port 1.");
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+ fprintf(f,"can't use i2c port 0 on SqueezeAMP. Changing to port 1.\n");
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}
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#endif
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- if(!res){
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- log_send_messaging(MESSAGING_INFO,"Uninstall i2c driver from port %u if needed",i2c_port);
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+ if(!nerrors){
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+ fprintf(f,"Uninstalling i2c driver from port %u if needed\n",i2c_port);
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if(is_i2c_started(i2c_port)){
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if((err=i2c_driver_delete(i2c_port))!=ESP_OK){
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- log_send_messaging(MESSAGING_ERROR, "i2c driver delete failed. %s", esp_err_to_name(err));
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- res = 1;
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+ fprintf(f,"i2c driver delete failed. %s\n", esp_err_to_name(err));
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+ nerrors++;
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}
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}
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}
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- if(!res){
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- log_send_messaging(MESSAGING_INFO, "Initializing driver with config scl=%u sda=%u speed=%u port=%u",i2c_gpio_scl,i2c_gpio_sda,i2c_frequency,i2c_port);
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+ if(!nerrors){
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+ fprintf(f,"Initializing driver with config scl=%u sda=%u speed=%u port=%u\n",i2c_gpio_scl,i2c_gpio_sda,i2c_frequency,i2c_port);
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if((err=i2c_master_driver_initialize())==ESP_OK){
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- log_send_messaging(MESSAGING_INFO, "Initalize success.");
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+ fprintf(f,"Initalize success.\n");
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// now start the i2c driver
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- log_send_messaging(MESSAGING_INFO,"Starting the i2c driver.");
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+ fprintf(f,"Starting the i2c driver.");
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if((err=i2c_master_driver_install())!=ESP_OK){
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- log_send_messaging(MESSAGING_ERROR,"I2C master driver install failed. %s", esp_err_to_name(err));
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- res=1;
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+ fprintf(f,"I2C master driver install failed. %s\n", esp_err_to_name(err));
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+ nerrors++;
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}
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else
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{
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- log_send_messaging(MESSAGING_INFO,"i2c driver successfully started.");
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+ fprintf(f,"i2c driver successfully started.\n");
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}
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}
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else {
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- log_send_messaging(MESSAGING_ERROR,"I2C initialization failed. %s", esp_err_to_name(err));
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- res=1;
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+ fprintf(f,"I2C initialization failed. %s\n", esp_err_to_name(err));
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+ nerrors++;
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}
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}
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- if(!res && !i2cconfig_args.load->count){
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- log_send_messaging(MESSAGING_INFO,"Storing i2c parameters.");
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+ if(!nerrors && !i2cconfig_args.load->count){
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+ fprintf(f,"Storing i2c parameters.\n");
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i2c_config_t config={
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.mode = I2C_MODE_MASTER,
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.sda_io_num = i2c_gpio_sda,
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@@ -597,11 +616,12 @@ static int do_i2cconfig_cmd(int argc, char **argv)
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};
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config_i2c_set(&config, i2c_port);
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}
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- if(res){
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- log_send_messaging(MESSAGING_ERROR,"%s", err_message);
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- }
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- free(err_message);
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- return res;
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+ fflush (f);
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+ log_send_messaging(nerrors>0?MESSAGING_ERROR:MESSAGING_INFO,"%s", buf);
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+ fclose(f);
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+ FREE_AND_NULL(buf);
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+
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+ return nerrors==0;
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}
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#define RUN_SHOW_ERROR(c)
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@@ -1071,6 +1091,7 @@ cJSON * i2config_cb(){
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}
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static void register_i2cconfig(void)
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{
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+ i2cconfig_args.clear = arg_lit0(NULL, "clear", "clear configuration and return");
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i2cconfig_args.port = arg_int0("p", "port", "0|1", "Set the I2C bus port number");
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i2cconfig_args.freq = arg_int0("f", "freq", "int", "Set the frequency(Hz) of I2C bus. e.g. 100000");
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i2cconfig_args.sda = arg_int0("d", "sda", "int", "Set the gpio for I2C SDA. e.g. 19");
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