source i2c_manager files from https://github.com/ropg/i2c_manager master
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hiruna
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785b7d5c28
commit
8f72cfaa94
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@ -6,10 +6,8 @@ menu "I2C Port 0"
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if I2C_MANAGER_0_ENABLED
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config I2C_MANAGER_0_SDA
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int "SDA (GPIO pin)"
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default 0
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config I2C_MANAGER_0_SCL
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int "SCL (GPIO pin)"
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default 0
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config I2C_MANAGER_0_FREQ_HZ
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int "Frequency (Hz)"
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default 400000
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@ -42,7 +42,7 @@ SOFTWARE.
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#if defined __has_include
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#if __has_include ("esp_idf_version.h")
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#if __has_include ("esp_idf_version.h")
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#include "esp_idf_version.h"
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
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#define HAS_CLK_FLAGS
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@ -58,29 +58,29 @@ static SemaphoreHandle_t* I2C_FN(_mutex) = &I2C_FN(_local_mutex)[0];
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static const uint8_t ACK_CHECK_EN = 1;
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#if defined (CONFIG_I2C_MANAGER_0_ENABLED)
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#define I2C_ZERO I2C_NUM_0
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#if defined (I2C_NUM_0) && defined (CONFIG_I2C_MANAGER_0_ENABLED)
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#define I2C_ZERO I2C_NUM_0
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#if defined (CONFIG_I2C_MANAGER_0_PULLUPS)
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#define I2C_MANAGER_0_PULLUPS true
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#else
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#define I2C_MANAGER_0_PULLUPS false
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#endif
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#define I2C_MANAGER_0_TIMEOUT ( CONFIG_I2C_MANAGER_0_TIMEOUT / portTICK_PERIOD_MS )
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#define I2C_MANAGER_0_LOCK_TIMEOUT ( CONFIG_I2C_MANAGER_0_LOCK_TIMEOUT / portTICK_PERIOD_MS )
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#define I2C_MANAGER_0_TIMEOUT ( pdMS_TO_TICKS( CONFIG_I2C_MANAGER_0_TIMEOUT ) )
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#define I2C_MANAGER_0_LOCK_TIMEOUT ( ( pdMS_TO_TICKS( CONFIG_I2C_MANAGER_0_LOCK_TIMEOUT ) )
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#endif
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#if defined (CONFIG_I2C_MANAGER_1_ENABLED)
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#define I2C_ONE I2C_NUM_1
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#if defined (I2C_NUM_1) && defined (CONFIG_I2C_MANAGER_1_ENABLED)
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#define I2C_ONE I2C_NUM_1
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#if defined (CONFIG_I2C_MANAGER_1_PULLUPS)
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#define I2C_MANAGER_1_PULLUPS true
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#else
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#define I2C_MANAGER_1_PULLUPS false
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#endif
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#define I2C_MANAGER_1_TIMEOUT ( CONFIG_I2C_MANAGER_1_TIMEOUT / portTICK_PERIOD_MS )
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#define I2C_MANAGER_1_LOCK_TIMEOUT ( CONFIG_I2C_MANAGER_1_LOCK_TIMEOUT / portTICK_PERIOD_MS )
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#define I2C_MANAGER_1_TIMEOUT ( pdMS_TO_TICKS( CONFIG_I2C_MANAGER_1_TIMEOUT ) )
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#define I2C_MANAGER_1_LOCK_TIMEOUT ( pdMS_TO_TICKS( CONFIG_I2C_MANAGER_1_LOCK_TIMEOUT ) )
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#endif
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#define ERROR_PORT(port, fail) { \
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@ -89,19 +89,19 @@ static const uint8_t ACK_CHECK_EN = 1;
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}
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#if defined(I2C_ZERO) && defined (I2C_ONE)
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#define I2C_PORT_CHECK(port, fail) \
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#define I2C_PORT_CHECK(port, fail) \
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if (port != I2C_NUM_0 && port != I2C_NUM_1) ERROR_PORT(port, fail);
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#else
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#if defined(I2C_ZERO)
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#define I2C_PORT_CHECK(port, fail) \
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#if defined(I2C_ZERO)
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#define I2C_PORT_CHECK(port, fail) \
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if (port != I2C_NUM_0) ERROR_PORT(port, fail);
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#elif defined(I2C_ONE)
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#define I2C_PORT_CHECK(port, fail) \
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#elif defined(I2C_ONE)
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#define I2C_PORT_CHECK(port, fail) \
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if (port != I2C_NUM_1) ERROR_PORT(port, fail);
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#else
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#define I2C_PORT_CHECK(port, fail) \
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#else
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#define I2C_PORT_CHECK(port, fail) \
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ERROR_PORT(port, fail);
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#endif
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#endif
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#endif
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static void i2c_send_address(i2c_cmd_handle_t cmd, uint16_t addr, i2c_rw_t rw) {
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@ -134,11 +134,11 @@ esp_err_t I2C_FN(_init)(i2c_port_t port) {
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i2c_config_t conf = {0};
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#ifdef HAS_CLK_FLAGS
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#ifdef HAS_CLK_FLAGS
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conf.clk_flags = 0;
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#endif
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#endif
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#if defined (I2C_ZERO)
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#if defined (I2C_ZERO)
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if (port == I2C_NUM_0) {
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conf.sda_io_num = CONFIG_I2C_MANAGER_0_SDA;
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conf.scl_io_num = CONFIG_I2C_MANAGER_0_SCL;
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@ -146,9 +146,9 @@ esp_err_t I2C_FN(_init)(i2c_port_t port) {
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conf.scl_pullup_en = conf.sda_pullup_en;
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conf.master.clk_speed = CONFIG_I2C_MANAGER_0_FREQ_HZ;
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}
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#endif
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#endif
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#if defined (I2C_ONE)
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#if defined (I2C_ONE)
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if (port == I2C_NUM_1) {
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conf.sda_io_num = CONFIG_I2C_MANAGER_1_SDA;
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conf.scl_io_num = CONFIG_I2C_MANAGER_1_SCL;
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@ -156,7 +156,7 @@ esp_err_t I2C_FN(_init)(i2c_port_t port) {
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conf.scl_pullup_en = conf.sda_pullup_en;
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conf.master.clk_speed = CONFIG_I2C_MANAGER_1_FREQ_HZ;
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}
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#endif
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#endif
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conf.mode = I2C_MODE_MASTER;
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@ -168,7 +168,7 @@ esp_err_t I2C_FN(_init)(i2c_port_t port) {
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ESP_LOGW(TAG, "If it was already open, we'll use it with whatever settings were used "
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"to open it. See I2C Manager README for details.");
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} else {
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ESP_LOGI(TAG, "Initialised port %d (SDA: %d, SCL: %d, speed: %lu Hz.)",
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ESP_LOGI(TAG, "Initialised port %d (SDA: %d, SCL: %d, speed: %d Hz.)",
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port, conf.sda_io_num, conf.scl_io_num, conf.master.clk_speed);
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}
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@ -186,19 +186,19 @@ esp_err_t I2C_FN(_read)(i2c_port_t port, uint16_t addr, uint32_t reg, uint8_t *b
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// May seem weird, but init starts with a check if it's needed, no need for that check twice.
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I2C_FN(_init)(port);
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ESP_LOGV(TAG, "Reading port %d, addr 0x%03x, reg 0x%04lx", port, addr, reg);
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ESP_LOGV(TAG, "Reading port %d, addr 0x%03x, reg 0x%04x", port, addr, reg);
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TickType_t timeout = 0;
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#if defined (I2C_ZERO)
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#if defined (I2C_ZERO)
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if (port == I2C_NUM_0) {
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timeout = I2C_MANAGER_0_TIMEOUT;
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}
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#endif
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#if defined (I2C_ONE)
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#endif
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#if defined (I2C_ONE)
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if (port == I2C_NUM_1) {
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timeout = I2C_MANAGER_1_TIMEOUT;
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}
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#endif
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#endif
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if (I2C_FN(_lock)((int)port) == ESP_OK) {
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i2c_cmd_handle_t cmd = i2c_cmd_link_create();
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@ -222,7 +222,7 @@ esp_err_t I2C_FN(_read)(i2c_port_t port, uint16_t addr, uint32_t reg, uint8_t *b
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}
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if (result != ESP_OK) {
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ESP_LOGW(TAG, "Error: %d", result);
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ESP_LOGD(TAG, "Error: %d", result);
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}
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ESP_LOG_BUFFER_HEX_LEVEL(TAG, buffer, size, ESP_LOG_VERBOSE);
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@ -239,19 +239,19 @@ esp_err_t I2C_FN(_write)(i2c_port_t port, uint16_t addr, uint32_t reg, const uin
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// May seem weird, but init starts with a check if it's needed, no need for that check twice.
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I2C_FN(_init)(port);
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ESP_LOGV(TAG, "Writing port %d, addr 0x%03x, reg 0x%04lx", port, addr, reg);
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ESP_LOGV(TAG, "Writing port %d, addr 0x%03x, reg 0x%04x", port, addr, reg);
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TickType_t timeout = 0;
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#if defined (I2C_ZERO)
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#if defined (I2C_ZERO)
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if (port == I2C_NUM_0) {
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timeout = (CONFIG_I2C_MANAGER_0_TIMEOUT) / portTICK_PERIOD_MS;
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timeout = pdMS_TO_TICKS( CONFIG_I2C_MANAGER_0_TIMEOUT );
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}
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#endif
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#if defined (I2C_ONE)
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#endif
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#if defined (I2C_ONE)
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if (port == I2C_NUM_1) {
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timeout = (CONFIG_I2C_MANAGER_1_TIMEOUT) / portTICK_PERIOD_MS;
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timeout = pdMS_TO_TICKS( CONFIG_I2C_MANAGER_1_TIMEOUT );
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}
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#endif
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#endif
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if (I2C_FN(_lock)((int)port) == ESP_OK) {
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i2c_cmd_handle_t cmd = i2c_cmd_link_create();
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@ -271,7 +271,7 @@ esp_err_t I2C_FN(_write)(i2c_port_t port, uint16_t addr, uint32_t reg, const uin
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}
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if (result != ESP_OK) {
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ESP_LOGW(TAG, "Error: %d", result);
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ESP_LOGD(TAG, "Error: %d", result);
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}
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ESP_LOG_BUFFER_HEX_LEVEL(TAG, buffer, size, ESP_LOG_VERBOSE);
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@ -292,16 +292,16 @@ esp_err_t I2C_FN(_lock)(i2c_port_t port) {
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ESP_LOGV(TAG, "Mutex lock set for %d.", (int)port);
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TickType_t timeout;
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#if defined (I2C_ZERO)
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#if defined (I2C_ZERO)
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if (port == I2C_NUM_0) {
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timeout = (CONFIG_I2C_MANAGER_0_LOCK_TIMEOUT) / portTICK_PERIOD_MS;
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timeout = pdMS_TO_TICKS( CONFIG_I2C_MANAGER_0_LOCK_TIMEOUT );
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}
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#endif
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#if defined (I2C_ONE)
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#endif
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#if defined (I2C_ONE)
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if (port == I2C_NUM_1) {
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timeout = (CONFIG_I2C_MANAGER_1_LOCK_TIMEOUT) / portTICK_PERIOD_MS;
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timeout = pdMS_TO_TICKS( CONFIG_I2C_MANAGER_1_LOCK_TIMEOUT );
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}
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#endif
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#endif
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if (xSemaphoreTake(I2C_FN(_mutex)[port], timeout) == pdTRUE) {
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return ESP_OK;
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@ -331,16 +331,16 @@ esp_err_t I2C_FN(_force_unlock)(i2c_port_t port) {
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#ifdef I2C_OEM
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void I2C_FN(_locking)(void* leader) {
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void I2C_FN(_locking)(void* leader) {
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if (leader) {
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ESP_LOGI(TAG, "Now following I2C Manager for locking");
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I2C_FN(_mutex) = (SemaphoreHandle_t*)leader;
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}
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}
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}
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#else
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void* i2c_manager_locking() {
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void* i2c_manager_locking() {
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return (void*)i2c_manager_mutex;
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}
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@ -29,9 +29,9 @@ extern "C" {
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#define STR_QUOTE(s) STR_EXPAND(STR_EXPAND(s))
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#ifdef I2C_OEM
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#define I2C_NAME_PREFIX CONCAT(I2C_OEM, _i2c)
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#define I2C_NAME_PREFIX CONCAT(I2C_OEM, _i2c)
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#else
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#define I2C_NAME_PREFIX i2c_manager
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#define I2C_NAME_PREFIX i2c_manager
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#endif
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#define I2C_TAG STR_EXPAND(I2C_NAME_PREFIX)
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@ -53,19 +53,19 @@ esp_err_t I2C_FN(_force_unlock)(i2c_port_t port);
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#ifdef I2C_OEM
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void I2C_FN(_locking)(void* leader);
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void I2C_FN(_locking)(void* leader);
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#else
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void* i2c_manager_locking();
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void* i2c_manager_locking();
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typedef struct {
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typedef struct {
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int32_t (* read)(void *handle, uint8_t address, uint8_t reg, uint8_t *buffer, uint16_t size);
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int32_t (* write)(void *handle, uint8_t address, uint8_t reg, const uint8_t *buffer, uint16_t size);
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void *handle;
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} i2c_hal_t;
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} i2c_hal_t;
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void* i2c_hal(i2c_port_t port);
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void* i2c_hal(i2c_port_t port);
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#endif
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