blob: 2f850a3914c1ca6aa1cabb58db31c148639bd2ca [file] [log] [blame]
/*
*
* Copyright (c) 2020 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* 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 <lib/shell/Engine.h>
#include <lib/shell/streamer.h>
#include "lega_rtos_api.h"
#include "printf_uart.h"
#include <stdio.h>
#include <string.h>
#ifdef CFG_PLF_RV32
#include "asr_uart.h"
#define duet_uart_set_callback asr_uart_set_callback
#define duet_uart_callback_func asr_uart_callback_func_t
#elif defined CFG_PLF_DUET
#include "duet_uart.h"
#else
#include "lega_uart.h"
#define duet_uart_set_callback lega_uart_set_callback
#define duet_uart_callback_func lega_uart_callback_func
#define UART1_INDEX LEGA_UART1_INDEX
#endif
namespace chip {
namespace Shell {
namespace {
#define HAL_UART_BUF_QUEUE_BYTES 256
lega_queue_t hal_uart_buf_queue;
void shell_handle_uartirq(char ch)
{
lega_rtos_push_to_queue(&hal_uart_buf_queue, &ch, LEGA_NEVER_TIMEOUT);
}
int streamer_asr_init(streamer_t * streamer)
{
(void) streamer;
duet_uart_set_callback(UART1_INDEX, (duet_uart_callback_func) (shell_handle_uartirq));
lega_rtos_init_queue(&hal_uart_buf_queue, "shell_buffer_queue", sizeof(char), HAL_UART_BUF_QUEUE_BYTES);
return 0;
}
ssize_t streamer_asr_read(streamer_t * streamer, char * buffer, size_t length)
{
(void) streamer;
uint16_t i = 0;
uint32_t rx_count = 0;
int32_t ret;
uint8_t * pdata = (uint8_t *) buffer;
for (i = 0; i < (uint16_t) length; i++)
{
ret = lega_rtos_pop_from_queue(&hal_uart_buf_queue, &pdata[i], LEGA_NEVER_TIMEOUT);
if (!ret)
{
rx_count++;
}
else
{
break;
}
}
return rx_count;
}
ssize_t streamer_asr_write(streamer_t * streamer, const char * buffer, size_t length)
{
(void) streamer;
uart_put_buf(buffer, (uint16_t) length);
return length;
}
static streamer_t streamer_asr = {
.init_cb = streamer_asr_init,
.read_cb = streamer_asr_read,
.write_cb = streamer_asr_write,
};
} // namespace
streamer_t * streamer_get(void)
{
return &streamer_asr;
}
} // namespace Shell
} // namespace chip