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VFS Terminal cleanup

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This commit is contained in:
David Cermak
2021-05-17 14:59:03 +02:00
parent 9f4fe3a177
commit 59c3837345
11 changed files with 268 additions and 264 deletions
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99
esp_modem/src/esp_modem_term_uart.cpp
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@ -11,67 +11,70 @@
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cxx_include/esp_modem_dte.hpp"
#include "esp_log.h"
#include "driver/uart.h"
#include "esp_modem_config.h"
#include "exception_stub.hpp"
#include "esp_vfs_dev.h"
#include <sys/fcntl.h>
static const char *TAG = "uart_terminal";
namespace esp_modem::terminal {
namespace esp_modem {
struct uart_resource {
explicit uart_resource(const esp_modem_dte_config *config);
explicit uart_resource(const esp_modem_dte_config *config, struct QueueDefinition** event_queue);
~uart_resource();
uart_port_t port;
int fd;
};
uart_resource::uart_resource(const esp_modem_dte_config *config) :
port(-1), fd(-1)
uart_resource::~uart_resource()
{
/* Config UART */
uart_config_t uart_config = {};
uart_config.baud_rate = config->vfs_config.baud_rate;
uart_config.data_bits = UART_DATA_8_BITS;
uart_config.parity = UART_PARITY_DISABLE;
uart_config.stop_bits = UART_STOP_BITS_1;
uart_config.flow_ctrl = UART_HW_FLOWCTRL_DISABLE;
uart_config.source_clk = UART_SCLK_REF_TICK;
throw_if_esp_fail(uart_param_config(config->vfs_config.port_num, &uart_config), "config uart parameter failed");
throw_if_esp_fail(uart_set_pin(config->vfs_config.port_num, config->vfs_config.tx_io_num, config->vfs_config.rx_io_num,
UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE), "config uart gpio failed");
throw_if_esp_fail(uart_driver_install(config->vfs_config.port_num, config->vfs_config.rx_buffer_size, config->vfs_config.tx_buffer_size,
0, nullptr, 0), "install uart driver failed");
// throw_if_esp_fail(uart_set_rx_timeout(config->vfs_config.port_num, 1), "set rx timeout failed");
//
// throw_if_esp_fail(uart_set_rx_full_threshold(config->uart_config.port_num, 64), "config rx full threshold failed");
/* mark UART as initialized */
port = config->vfs_config.port_num;
esp_vfs_dev_uart_use_driver(port);
fd = open(config->vfs_config.dev_name, O_RDWR);
throw_if_false(fd >= 0, "Cannot open the fd");
}
uart_resource::~uart_resource() {
if (port >= UART_NUM_0 && port < UART_NUM_MAX) {
uart_driver_delete(port);
}
}
} // namespace esp_modem::terminal
uart_resource::uart_resource(const esp_modem_dte_config *config, struct QueueDefinition** event_queue) :
port(-1)
{
esp_err_t res;
/* Config UART */
uart_config_t uart_config = {};
uart_config.baud_rate = config->uart_config.baud_rate;
uart_config.data_bits = config->uart_config.data_bits;
uart_config.parity = config->uart_config.parity;
uart_config.stop_bits = config->uart_config.stop_bits;
uart_config.flow_ctrl = (config->uart_config.flow_control == ESP_MODEM_FLOW_CONTROL_HW) ? UART_HW_FLOWCTRL_CTS_RTS
: UART_HW_FLOWCTRL_DISABLE;
uart_config.source_clk = UART_SCLK_APB;
throw_if_esp_fail(uart_param_config(config->uart_config.port_num, &uart_config), "config uart parameter failed");
if (config->uart_config.flow_control == ESP_MODEM_FLOW_CONTROL_HW) {
res = uart_set_pin(config->uart_config.port_num, config->uart_config.tx_io_num, config->uart_config.rx_io_num,
config->uart_config.rts_io_num, config->uart_config.cts_io_num);
} else {
res = uart_set_pin(config->uart_config.port_num, config->uart_config.tx_io_num, config->uart_config.rx_io_num,
UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
}
throw_if_esp_fail(res, "config uart gpio failed");
/* Set flow control threshold */
if (config->uart_config.flow_control == ESP_MODEM_FLOW_CONTROL_HW) {
res = uart_set_hw_flow_ctrl(config->uart_config.port_num, UART_HW_FLOWCTRL_CTS_RTS, UART_FIFO_LEN - 8);
} else if (config->uart_config.flow_control == ESP_MODEM_FLOW_CONTROL_SW) {
res = uart_set_sw_flow_ctrl(config->uart_config.port_num, true, 8, UART_FIFO_LEN - 8);
}
throw_if_esp_fail(res, "config uart flow control failed");
/* Install UART driver and get event queue used inside driver */
res = uart_driver_install(config->uart_config.port_num,
config->uart_config.rx_buffer_size, config->uart_config.tx_buffer_size,
config->uart_config.event_queue_size, config->uart_config.event_queue_size ? event_queue : nullptr,
0);
throw_if_esp_fail(res, "install uart driver failed");
throw_if_esp_fail(uart_set_rx_timeout(config->uart_config.port_num, 1), "set rx timeout failed");
throw_if_esp_fail(uart_set_rx_full_threshold(config->uart_config.port_num, 64), "config rx full threshold failed");
/* mark UART as initialized */
port = config->uart_config.port_num;
}
} // namespace esp_modem