pinebuds/services/ble_app/app_ble_uart.cpp
2022-08-15 17:20:27 +08:00

144 lines
4.3 KiB
C++

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
//#include "mbed.h"
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include "hal_uart.h"
#include "hal_trace.h"
#define APP_BLE_UART_BUFF_SIZE 50 //16
enum HAL_UART_ID_T app_ble_uart_id = HAL_UART_ID_0;
extern "C" {
typedef void (*GATT_UART_HANDLER_T)(uint8_t *buf, uint32_t len);
extern void gatt_uart_register_write_request_cb(GATT_UART_HANDLER_T handler);
extern int gatt_uart_write(uint8_t *buffer, uint32_t length);
extern int gatt_loop_write(uint8_t *buffer, uint32_t length);
}
static uint32_t app_ble_debug_cnt = 0;
void app_ble_send_data(uint8_t *buffer, uint32_t length)
{
TRACE(1,"[%s]", __func__);
gatt_uart_write(buffer, length);
// gatt_loop_write(buffer, length);
}
typedef struct
{
volatile bool rx_done;
volatile bool tx_done;
uint8_t rx_data[APP_BLE_UART_BUFF_SIZE];
uint32_t rx_len;
} app_ble_uart_t;
app_ble_uart_t app_ble_uart;
static void uart_rx(uint32_t xfer_size, int dma_error, union HAL_UART_IRQ_T status)
{
app_ble_debug_cnt = 4;
if (dma_error) {
// TRACE(1,"uart_rx dma error: xfer_size=%d", xfer_size);
app_ble_debug_cnt = 0xfe;
app_ble_uart.rx_len = 0;
} else if (status.BE || status.FE || status.OE || status.PE) {
// TRACE(2,"uart_rx uart error: xfer_size=%d, status=0x%08x", xfer_size, status.reg);
app_ble_debug_cnt = 0xfd;
app_ble_uart.rx_len = 0;
} else {
app_ble_debug_cnt = 0xfc;
app_ble_uart.rx_len = xfer_size;
// hal_uart_dma_recv(app_ble_uart_id, app_ble_uart.rx_data, app_ble_uart.rx_len - 5, NULL, NULL);
// gatt_uart_write(app_ble_uart.rx_data, app_ble_uart.rx_len - 5);
// hal_uart_dma_recv(app_ble_uart_id, app_ble_uart.rx_data, 5, NULL, NULL);
// gatt_uart_write(app_ble_uart.rx_data, 5);
hal_uart_dma_recv(app_ble_uart_id, app_ble_uart.rx_data, sizeof(app_ble_uart.rx_data), NULL, NULL);
// //hal_uart_dma_send(app_ble_uart_id, app_ble_uart.rx_data, app_ble_uart.rx_len, NULL, NULL);
gatt_uart_write(app_ble_uart.rx_data, app_ble_uart.rx_len);
}
app_ble_uart.rx_done = true;
}
static void uart_tx(uint32_t xfer_size, int dma_error)
{
if (dma_error)
{
// TRACE(1,"uart_tx dma error: xfer_size=%d", xfer_size);
app_ble_debug_cnt = 0xfb;
}
app_ble_uart.tx_done = true;
}
void app_ble_uart_write_request_cb(uint8_t *buf, uint32_t len)
{
//send data over uart.
hal_uart_dma_send(app_ble_uart_id, buf, len, NULL, NULL);
//DUMP8("%x ", buf, len);
}
uint32_t app_ble_uart_open()
{
#if 1
int ret;
union HAL_UART_IRQ_T mask;
struct HAL_UART_CFG_T uart_cfg;
uart_cfg.parity = HAL_UART_PARITY_NONE,
uart_cfg.stop = HAL_UART_STOP_BITS_1,
uart_cfg.data = HAL_UART_DATA_BITS_8,
uart_cfg.flow = HAL_UART_FLOW_CONTROL_NONE,
uart_cfg.tx_level = HAL_UART_FIFO_LEVEL_1_2,
uart_cfg.rx_level = HAL_UART_FIFO_LEVEL_1_4,
uart_cfg.baud = 115200,
uart_cfg.dma_rx = true,
uart_cfg.dma_tx = true,
uart_cfg.dma_rx_stop_on_err = false;
app_ble_debug_cnt = 1;
ret = hal_uart_open(app_ble_uart_id, &uart_cfg);
if (ret) {
app_ble_debug_cnt = 0xff;
// TRACE(0,"Failed to open uart");
return 1;
}
app_ble_debug_cnt = 2;
hal_uart_irq_set_dma_handler(app_ble_uart_id, uart_rx, uart_tx);
// hal_uart_dma_recv(app_ble_uart_id, app_ble_uart.rx_data, sizeof(app_ble_uart.rx_data), NULL, NULL);
mask.reg = 0;
mask.BE = 1;
mask.FE = 1;
mask.OE = 1;
mask.PE = 1;
mask.RT = 1;
hal_uart_irq_set_mask(app_ble_uart_id, mask);
app_ble_debug_cnt = 3;
app_ble_uart.rx_done = false;
app_ble_uart.tx_done = false;
#endif
gatt_uart_register_write_request_cb(app_ble_uart_write_request_cb);
return 0;
}