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i2c: fixed i2c_cmd_t not initialized properly issue

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This commit is contained in:
Michael (XIAO Xufeng)
2021-11-25 04:16:51 +00:00
parent 7cf7bec582
commit f055fbb713
1 changed files with 6 additions and 25 deletions
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31
components/driver/i2c.c
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@@ -930,26 +930,16 @@ err:
esp_err_t i2c_master_start(i2c_cmd_handle_t cmd_handle) esp_err_t i2c_master_start(i2c_cmd_handle_t cmd_handle)
{ {
I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG); I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG);
i2c_cmd_t cmd; i2c_cmd_t cmd = { 0 };
cmd.hw_cmd.ack_en = 0;
cmd.hw_cmd.ack_exp = 0;
cmd.hw_cmd.ack_val = 0;
cmd.hw_cmd.op_code = I2C_LL_CMD_RESTART; cmd.hw_cmd.op_code = I2C_LL_CMD_RESTART;
cmd.hw_cmd.byte_num = 0;
cmd.data = NULL;
return i2c_cmd_link_append(cmd_handle, &cmd); return i2c_cmd_link_append(cmd_handle, &cmd);
} }
esp_err_t i2c_master_stop(i2c_cmd_handle_t cmd_handle) esp_err_t i2c_master_stop(i2c_cmd_handle_t cmd_handle)
{ {
I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG); I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG);
i2c_cmd_t cmd; i2c_cmd_t cmd = { 0 };
cmd.hw_cmd.ack_en = 0;
cmd.hw_cmd.ack_exp = 0;
cmd.hw_cmd.ack_val = 0;
cmd.hw_cmd.op_code = I2C_LL_CMD_STOP; cmd.hw_cmd.op_code = I2C_LL_CMD_STOP;
cmd.hw_cmd.byte_num = 0;
cmd.data = NULL;
return i2c_cmd_link_append(cmd_handle, &cmd); return i2c_cmd_link_append(cmd_handle, &cmd);
} }
@@ -964,10 +954,8 @@ esp_err_t i2c_master_write(i2c_cmd_handle_t cmd_handle, const uint8_t *data, siz
while (data_len > 0) { while (data_len > 0) {
len_tmp = data_len > 0xff ? 0xff : data_len; len_tmp = data_len > 0xff ? 0xff : data_len;
data_len -= len_tmp; data_len -= len_tmp;
i2c_cmd_t cmd; i2c_cmd_t cmd = { 0 };
cmd.hw_cmd.ack_en = ack_en; cmd.hw_cmd.ack_en = ack_en;
cmd.hw_cmd.ack_exp = 0;
cmd.hw_cmd.ack_val = 0;
cmd.hw_cmd.op_code = I2C_LL_CMD_WRITE; cmd.hw_cmd.op_code = I2C_LL_CMD_WRITE;
cmd.hw_cmd.byte_num = len_tmp; cmd.hw_cmd.byte_num = len_tmp;
cmd.data = (uint8_t*) data + data_offset; cmd.data = (uint8_t*) data + data_offset;
@@ -983,13 +971,10 @@ esp_err_t i2c_master_write(i2c_cmd_handle_t cmd_handle, const uint8_t *data, siz
esp_err_t i2c_master_write_byte(i2c_cmd_handle_t cmd_handle, uint8_t data, bool ack_en) esp_err_t i2c_master_write_byte(i2c_cmd_handle_t cmd_handle, uint8_t data, bool ack_en)
{ {
I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG); I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG);
i2c_cmd_t cmd; i2c_cmd_t cmd = { 0 };
cmd.hw_cmd.ack_en = ack_en; cmd.hw_cmd.ack_en = ack_en;
cmd.hw_cmd.ack_exp = 0;
cmd.hw_cmd.ack_val = 0;
cmd.hw_cmd.op_code = I2C_LL_CMD_WRITE; cmd.hw_cmd.op_code = I2C_LL_CMD_WRITE;
cmd.hw_cmd.byte_num = 1; cmd.hw_cmd.byte_num = 1;
cmd.data = NULL;
cmd.byte_cmd = data; cmd.byte_cmd = data;
return i2c_cmd_link_append(cmd_handle, &cmd); return i2c_cmd_link_append(cmd_handle, &cmd);
} }
@@ -1002,9 +987,7 @@ static esp_err_t i2c_master_read_static(i2c_cmd_handle_t cmd_handle, uint8_t *da
while (data_len > 0) { while (data_len > 0) {
len_tmp = data_len > 0xff ? 0xff : data_len; len_tmp = data_len > 0xff ? 0xff : data_len;
data_len -= len_tmp; data_len -= len_tmp;
i2c_cmd_t cmd; i2c_cmd_t cmd = { 0 };
cmd.hw_cmd.ack_en = 0;
cmd.hw_cmd.ack_exp = 0;
cmd.hw_cmd.ack_val = ack & 0x1; cmd.hw_cmd.ack_val = ack & 0x1;
cmd.hw_cmd.byte_num = len_tmp; cmd.hw_cmd.byte_num = len_tmp;
cmd.hw_cmd.op_code = I2C_LL_CMD_READ; cmd.hw_cmd.op_code = I2C_LL_CMD_READ;
@@ -1024,9 +1007,7 @@ esp_err_t i2c_master_read_byte(i2c_cmd_handle_t cmd_handle, uint8_t *data, i2c_a
I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG); I2C_CHECK(cmd_handle != NULL, I2C_CMD_LINK_INIT_ERR_STR, ESP_ERR_INVALID_ARG);
I2C_CHECK(ack < I2C_MASTER_ACK_MAX, I2C_ACK_TYPE_ERR_STR, ESP_ERR_INVALID_ARG); I2C_CHECK(ack < I2C_MASTER_ACK_MAX, I2C_ACK_TYPE_ERR_STR, ESP_ERR_INVALID_ARG);
i2c_cmd_t cmd; i2c_cmd_t cmd = { 0 };
cmd.hw_cmd.ack_en = 0;
cmd.hw_cmd.ack_exp = 0;
cmd.hw_cmd.ack_val = ((ack == I2C_MASTER_LAST_NACK) ? I2C_MASTER_NACK : (ack & 0x1)); cmd.hw_cmd.ack_val = ((ack == I2C_MASTER_LAST_NACK) ? I2C_MASTER_NACK : (ack & 0x1));
cmd.hw_cmd.byte_num = 1; cmd.hw_cmd.byte_num = 1;
cmd.hw_cmd.op_code = I2C_LL_CMD_READ; cmd.hw_cmd.op_code = I2C_LL_CMD_READ;