mirror of
https://github.com/sle118/squeezelite-esp32.git
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107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/*
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include "esp_log.h"
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#include "driver/gpio.h"
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#include "driver/i2c.h"
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#include "driver/spi_master.h"
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#include "config.h"
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#include "accessors.h"
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#include "globdefs.h"
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static const char *TAG = "services";
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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/****************************************************************************************
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*
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*/
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esp_err_t config_i2c_set(const i2c_config_t * config, int port){
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int buffer_size=255;
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char * config_buffer=calloc(buffer_size,1);
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if(config_buffer) {
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snprintf(config_buffer,buffer_size,"scl=%u sda=%u speed=%u port=%u",config->scl_io_num,config->sda_io_num,config->master.clk_speed,port);
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ESP_LOGI(TAG,"Updating i2c configuration to %s",config_buffer);
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config_set_value(NVS_TYPE_STR, "i2c_config", config_buffer);
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free(config_buffer);
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}
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return ESP_OK;
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}
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/****************************************************************************************
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*
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*/
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const i2c_config_t * config_i2c_get(int * i2c_port) {
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char *nvs_item, *p;
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static i2c_config_t i2c = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = -1,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_io_num = -1,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = 0,
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};
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i2c.master.clk_speed = i2c_system_speed;
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nvs_item = config_alloc_get(NVS_TYPE_STR, "i2c_config");
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if (nvs_item) {
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if ((p = strcasestr(nvs_item, "scl")) != NULL) i2c.scl_io_num = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "sda")) != NULL) i2c.sda_io_num = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "speed")) != NULL) i2c.master.clk_speed = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "port")) != NULL) i2c_system_port = atoi(strchr(p, '=') + 1);
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free(nvs_item);
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}
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if(i2c_port) *i2c_port=i2c_system_port;
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return &i2c;
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}
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/****************************************************************************************
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*
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*/
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const spi_bus_config_t * config_spi_get(spi_host_device_t * spi_host) {
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char *nvs_item, *p;
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static spi_bus_config_t spi = {
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.mosi_io_num = -1,
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.sclk_io_num = -1,
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.miso_io_num = -1,
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.quadwp_io_num = -1,
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.quadhd_io_num = -1
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};
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nvs_item = config_alloc_get_str("spi_config", CONFIG_SPI_CONFIG, NULL);
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if (nvs_item) {
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if ((p = strcasestr(nvs_item, "data")) != NULL) spi.mosi_io_num = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "clk")) != NULL) spi.sclk_io_num = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "dc")) != NULL) spi_system_dc_gpio = atoi(strchr(p, '=') + 1);
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if ((p = strcasestr(nvs_item, "host")) != NULL) spi_system_host = atoi(strchr(p, '=') + 1);
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free(nvs_item);
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}
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if(spi_host) *spi_host = spi_system_host;
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return &spi;
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}
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/****************************************************************************************
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*
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*/
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void parse_set_GPIO(void (*cb)(int gpio, char *value)) {
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char *nvs_item, *p, type[16];
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int gpio;
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if ((nvs_item = config_alloc_get(NVS_TYPE_STR, "set_GPIO")) == NULL) return;
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p = nvs_item;
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do {
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if (sscanf(p, "%d=%15[^,]", &gpio, type) > 0) cb(gpio, type);
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p = strchr(p, ',');
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} while (p++);
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free(nvs_item);
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}
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