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Fix I2C Scan for S2 and C3 #5528

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Merged
merged 1 commit into from
Aug 12, 2021
Merged

Fix I2C Scan for S2 and C3 #5528

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6 changes: 4 additions & 2 deletions cores/esp32/esp32-hal-i2c.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1844,11 +1844,13 @@ i2c_t * i2cInit(uint8_t i2c_num, int8_t sda, int8_t scl, uint32_t clk_speed){
}

i2c_err_t i2cWrite(i2c_t * i2c, uint16_t address, uint8_t* buff, uint16_t size, bool sendStop, uint16_t timeOutMillis){
esp_err_t ret = ESP_OK;
esp_err_t ret = ESP_OK;
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (address << 1) | I2C_MASTER_WRITE, ACK_CHECK_EN);
i2c_master_write(cmd, buff, size, ACK_CHECK_EN);
if(size){
i2c_master_write(cmd, buff, size, ACK_CHECK_EN);
}
//if send stop?
i2c_master_stop(cmd);
ret = i2c_master_cmd_begin(i2c->num, cmd, timeOutMillis / portTICK_RATE_MS);
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