pinebuds/platform/hal/hal_intersys.c

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/***************************************************************************
*
* 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 All unpublished rights reserved.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 "plat_addr_map.h"
#ifdef BT_CMU_BASE
#include "hal_intersys.h"
#include "hal_sleep.h"
#include "hal_trace.h"
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#include CHIP_SPECIFIC_HDR(reg_cmu)
#include CHIP_SPECIFIC_HDR(reg_btcmu)
#include "cmsis_nvic.h"
#include "hal_timer.h"
#ifdef TX_RX_PCM_MASK
#include "hal_chipid.h"
#endif
#ifdef CHIP_BEST1400
#define PEER_IRQ_AUTO_CLEAR
#endif
#define MAX_SEND_RECORD_COUNT 3
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// MCU-CMU ISIRQ_SET
#define CMU_BT2MCU_DATA_DONE_SET (1 << 0)
#define CMU_BT2MCU_DATA1_DONE_SET (1 << 1)
#define CMU_MCU2BT_DATA_IND_SET (1 << 2)
#define CMU_MCU2BT_DATA1_IND_SET (1 << 3)
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// MCU-CMU ISIRQ_CLR
#define CMU_BT2MCU_DATA_DONE_CLR (1 << 0)
#define CMU_BT2MCU_DATA1_DONE_CLR (1 << 1)
#define CMU_MCU2BT_DATA_IND_CLR (1 << 2)
#define CMU_MCU2BT_DATA1_IND_CLR (1 << 3)
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// BT-CMU ISIRQ_SET
#define BTCMU_MCU2BT_DATA_DONE_SET (1 << 0)
#define BTCMU_MCU2BT_DATA1_DONE_SET (1 << 1)
#define BTCMU_BT2MCU_DATA_IND_SET (1 << 2)
#define BTCMU_BT2MCU_DATA1_IND_SET (1 << 3)
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// BT-CMU ISIRQ_CLR
#define BTCMU_MCU2BT_DATA_DONE_CLR (1 << 0)
#define BTCMU_MCU2BT_DATA1_DONE_CLR (1 << 1)
#define BTCMU_BT2MCU_DATA_IND_CLR (1 << 2)
#define BTCMU_BT2MCU_DATA1_IND_CLR (1 << 3)
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enum HAL_INTERSYS_IRQ_TYPE_T {
HAL_INTERSYS_IRQ_SEND_IND,
HAL_INTERSYS_IRQ_RECV_DONE,
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HAL_INTERSYS_IRQ_TYPE_QTY
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};
struct HAL_INTERSYS_MSG_T {
struct HAL_INTERSYS_MSG_T *next; // pointer to next element in the list
enum HAL_INTERSYS_MSG_TYPE_T type; // message type
unsigned int len; // message data length in bytes
const unsigned char *data; // pointer to the message data
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};
struct HAL_INTERSYS_SEND_RECORD_T {
struct HAL_INTERSYS_MSG_T msg;
bool in_use;
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};
static const IRQn_Type rx_irq_id[HAL_INTERSYS_ID_QTY] = {
ISDATA_IRQn,
ISDATA1_IRQn,
};
static const IRQn_Type tx_irq_id[HAL_INTERSYS_ID_QTY] = {
ISDONE_IRQn,
ISDONE1_IRQn,
};
static struct HAL_INTERSYS_MSG_T **
*const bt_recv_msg_list_ppp[HAL_INTERSYS_ID_QTY] = {
(struct HAL_INTERSYS_MSG_T ***)(BT_RAM_BASE + BT_INTESYS_MEM_OFFSET +
0x4),
(struct HAL_INTERSYS_MSG_T ***)(BT_RAM_BASE + BT_INTESYS_MEM_OFFSET +
0xC),
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};
static struct HAL_INTERSYS_MSG_T **const recv_msg_list_p[HAL_INTERSYS_ID_QTY] =
{
(struct HAL_INTERSYS_MSG_T **)(BT_RAM_BASE + BT_INTESYS_MEM_OFFSET),
(struct HAL_INTERSYS_MSG_T **)(BT_RAM_BASE + BT_INTESYS_MEM_OFFSET +
0x8),
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};
static struct HAL_INTERSYS_MSG_T *send_msg_list_p[HAL_INTERSYS_ID_QTY];
static struct HAL_INTERSYS_MSG_T *send_pending_list_p[HAL_INTERSYS_ID_QTY];
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static struct HAL_INTERSYS_MSG_T recv_pending_head[HAL_INTERSYS_ID_QTY];
static struct HAL_INTERSYS_SEND_RECORD_T send_msgs[HAL_INTERSYS_ID_QTY]
[MAX_SEND_RECORD_COUNT];
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static HAL_INTERSYS_RX_IRQ_HANDLER rx_irq_handler[HAL_INTERSYS_ID_QTY]
[HAL_INTERSYS_MSG_TYPE_QTY];
static HAL_INTERSYS_TX_IRQ_HANDLER tx_irq_handler[HAL_INTERSYS_ID_QTY]
[HAL_INTERSYS_MSG_TYPE_QTY];
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static uint8_t chan_opened[HAL_INTERSYS_ID_QTY] = {
0,
0,
};
STATIC_ASSERT(sizeof(chan_opened[0]) * 8 >= HAL_INTERSYS_MSG_TYPE_QTY,
"chan_opened size too small");
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static bool need_flow_ctrl[HAL_INTERSYS_ID_QTY] = {
false,
false,
};
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static bool chan_busy[HAL_INTERSYS_ID_QTY] = {
false,
false,
};
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static bool busy_now = false;
#ifdef PEER_IRQ_AUTO_CLEAR
static bool peer_irq_auto_clear;
#endif
static struct CMU_T *const cmu = (struct CMU_T *)CMU_BASE;
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static struct BTCMU_T *const btcmu = (struct BTCMU_T *)BT_CMU_BASE;
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static void hal_intersys_busy(enum HAL_INTERSYS_ID_T id, bool busy) {
int i;
bool new_state;
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if (chan_busy[id] == busy) {
return;
}
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chan_busy[id] = busy;
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if (busy_now == busy) {
return;
}
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if (busy) {
hal_sys_wake_lock(HAL_SYS_WAKE_LOCK_USER_INTERSYS);
busy_now = true;
} else {
new_state = false;
for (i = 0; i < HAL_INTERSYS_ID_QTY; i++) {
if (chan_busy[i]) {
new_state = true;
break;
}
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}
if (!new_state) {
hal_sys_wake_unlock(HAL_SYS_WAKE_LOCK_USER_INTERSYS);
busy_now = false;
}
}
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}
#ifdef PEER_IRQ_AUTO_CLEAR
void hal_intersys_peer_irq_auto_clear(bool enable) {
peer_irq_auto_clear = enable;
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}
#endif
static int hal_intersys_peer_irq_set(enum HAL_INTERSYS_ID_T id,
enum HAL_INTERSYS_IRQ_TYPE_T type) {
uint32_t value;
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if (id == HAL_INTERSYS_ID_0) {
if (type == HAL_INTERSYS_IRQ_SEND_IND) {
value = CMU_MCU2BT_DATA_IND_SET;
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} else {
value = CMU_BT2MCU_DATA_DONE_SET;
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}
} else {
if (type == HAL_INTERSYS_IRQ_SEND_IND) {
value = CMU_MCU2BT_DATA1_IND_SET;
} else {
value = CMU_BT2MCU_DATA1_DONE_SET;
}
}
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#ifdef PEER_IRQ_AUTO_CLEAR
uint32_t ret;
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ret = int_lock();
cmu->ISIRQ_SET = value;
if (peer_irq_auto_clear) {
if (CMU_MCU2BT_DATA_IND_SET == value) {
cmu->ISIRQ_CLR |= CMU_MCU2BT_DATA_IND_CLR;
} else {
cmu->ISIRQ_CLR |= CMU_BT2MCU_DATA_DONE_CLR;
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}
hal_sys_timer_delay(MS_TO_TICKS(2));
}
int_unlock(ret);
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#else
cmu->ISIRQ_SET = value;
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#endif
return 0;
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}
static inline void btcmu_reg_update_wait(void) {
// Make sure BTCMU (26M clock domain) write opertions finish before return
btcmu->ISIRQ_CLR;
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}
static int hal_intersys_local_irq_clear(enum HAL_INTERSYS_ID_T id,
enum HAL_INTERSYS_IRQ_TYPE_T type) {
uint32_t value;
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if (id == HAL_INTERSYS_ID_0) {
if (type == HAL_INTERSYS_IRQ_SEND_IND) {
value = BTCMU_BT2MCU_DATA_IND_CLR;
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} else {
value = BTCMU_MCU2BT_DATA_DONE_CLR;
}
} else {
if (type == HAL_INTERSYS_IRQ_SEND_IND) {
value = BTCMU_BT2MCU_DATA1_IND_CLR;
} else {
value = BTCMU_MCU2BT_DATA1_DONE_CLR;
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}
}
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btcmu->ISIRQ_CLR = value;
btcmu_reg_update_wait();
return 0;
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}
static int hal_intersys_local_irq_set(enum HAL_INTERSYS_ID_T id,
enum HAL_INTERSYS_IRQ_TYPE_T type) {
uint32_t value;
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if (id == HAL_INTERSYS_ID_0) {
if (type == HAL_INTERSYS_IRQ_SEND_IND) {
value = BTCMU_BT2MCU_DATA_IND_SET;
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} else {
value = BTCMU_MCU2BT_DATA_DONE_SET;
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}
} else {
if (type == HAL_INTERSYS_IRQ_SEND_IND) {
value = BTCMU_BT2MCU_DATA1_IND_SET;
} else {
value = BTCMU_MCU2BT_DATA1_DONE_SET;
}
}
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btcmu->ISIRQ_SET = value;
btcmu_reg_update_wait();
return 0;
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}
// static void hal_intersys_wait_done_idle(void)
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//{
// while(hal_cmu_get_address()->ISIRQ_SET & (CMU_BT2MCU_DATA_DONE_SET
// |CMU_BT2MCU_DATA1_DONE_SET));
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//}
// static void hal_intersys_wait_data_idle(void)
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//{
// while(hal_cmu_get_address()->ISIRQ_SET & (CMU_MCU2BT_DATA_IND_SET
// |CMU_MCU2BT_DATA1_IND_SET));
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//}
debug_intersys_type g_debug_intersys;
static void hal_intersys_rx_irq(void) {
int id;
struct HAL_INTERSYS_MSG_T *msg_ptr;
enum HAL_INTERSYS_MSG_TYPE_T type;
unsigned int processed;
if (g_debug_intersys.cmd_opcode != 0xFFFF) {
g_debug_intersys.irq_happen += 1;
}
for (id = HAL_INTERSYS_ID_0; id < HAL_INTERSYS_ID_QTY; id++) {
if (NVIC_GetActive(rx_irq_id[id])) {
hal_intersys_local_irq_clear(id, HAL_INTERSYS_IRQ_SEND_IND);
if (recv_pending_head[id].data) {
// Previous unprocessed message
msg_ptr = &recv_pending_head[id];
} else {
// New message
msg_ptr = *recv_msg_list_p[id];
}
while (msg_ptr) {
type = msg_ptr->type;
if (type >= HAL_INTERSYS_MSG_TYPE_QTY) {
// Error
ASSERT(false, "INTERSYS-RX: Invalid msg type: %d", type);
break;
}
if (rx_irq_handler[id][type]) {
processed = rx_irq_handler[id][type](msg_ptr->data, msg_ptr->len);
// Check if flow control needed
if (processed < msg_ptr->len) {
recv_pending_head[id].next = msg_ptr->next;
recv_pending_head[id].type = msg_ptr->type;
recv_pending_head[id].len = msg_ptr->len - processed;
recv_pending_head[id].data = msg_ptr->data + processed;
break;
}
} else {
// Error
ASSERT(false, "INTERSYS-RX: Handler missing");
break;
}
msg_ptr = msg_ptr->next;
}
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if (msg_ptr == NULL) {
if (!need_flow_ctrl[id]) {
hal_intersys_peer_irq_set(id, HAL_INTERSYS_IRQ_RECV_DONE);
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}
recv_pending_head[id].data = NULL;
}
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}
}
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}
static void hal_intersys_tx_irq(void) {
int id;
struct HAL_INTERSYS_MSG_T *msg_ptr;
enum HAL_INTERSYS_MSG_TYPE_T type;
for (id = HAL_INTERSYS_ID_0; id < HAL_INTERSYS_ID_QTY; id++) {
if (NVIC_GetActive(tx_irq_id[id])) {
hal_intersys_local_irq_clear(id, HAL_INTERSYS_IRQ_RECV_DONE);
msg_ptr = send_msg_list_p[id];
while (msg_ptr) {
type = msg_ptr->type;
if (type >= HAL_INTERSYS_MSG_TYPE_QTY) {
// Error
ASSERT(false, "INTERSYS-TX: Invalid msg type: %d", type);
break;
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}
if (tx_irq_handler[id][type]) {
tx_irq_handler[id][type](msg_ptr->data, msg_ptr->len);
};
CONTAINER_OF(msg_ptr, struct HAL_INTERSYS_SEND_RECORD_T, msg)->in_use =
false;
msg_ptr = msg_ptr->next;
}
if (send_pending_list_p[id]) {
send_msg_list_p[id] = send_pending_list_p[id];
send_pending_list_p[id] = NULL;
hal_intersys_peer_irq_set(id, HAL_INTERSYS_IRQ_SEND_IND);
} else {
send_msg_list_p[id] = NULL;
// Allow sleep
hal_intersys_busy(id, false);
}
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}
}
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}
int hal_intersys_open(enum HAL_INTERSYS_ID_T id,
enum HAL_INTERSYS_MSG_TYPE_T type,
HAL_INTERSYS_RX_IRQ_HANDLER rxhandler,
HAL_INTERSYS_TX_IRQ_HANDLER txhandler, bool rx_flowctrl) {
int i;
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if (id >= HAL_INTERSYS_ID_QTY) {
return 1;
}
if (type >= HAL_INTERSYS_MSG_TYPE_QTY) {
return 2;
}
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if (chan_opened[id] == 0) {
if (id == HAL_INTERSYS_ID_0) {
cmu->ISIRQ_CLR = CMU_BT2MCU_DATA_DONE_CLR | CMU_MCU2BT_DATA_IND_CLR;
} else {
cmu->ISIRQ_CLR = CMU_BT2MCU_DATA1_DONE_CLR | CMU_MCU2BT_DATA1_IND_CLR;
}
*bt_recv_msg_list_ppp[id] = &send_msg_list_p[id];
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NVIC_SetVector(rx_irq_id[id], (uint32_t)hal_intersys_rx_irq);
NVIC_SetPriority(rx_irq_id[id], IRQ_PRIORITY_NORMAL);
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NVIC_SetVector(tx_irq_id[id], (uint32_t)hal_intersys_tx_irq);
NVIC_SetPriority(tx_irq_id[id], IRQ_PRIORITY_NORMAL);
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// Stop IRQs by default
NVIC_DisableIRQ(rx_irq_id[id]);
NVIC_DisableIRQ(tx_irq_id[id]);
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send_msg_list_p[id] = NULL;
send_pending_list_p[id] = NULL;
recv_pending_head[id].data = NULL;
for (i = 0; i < MAX_SEND_RECORD_COUNT; i++) {
send_msgs[id][i].in_use = false;
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}
need_flow_ctrl[id] = rx_flowctrl;
} else {
ASSERT(need_flow_ctrl[id] == rx_flowctrl,
"INTERSYS-OPEN: rx_flowctrl=%d (should be %d)", rx_flowctrl,
need_flow_ctrl[id]);
return 3;
}
chan_opened[id] |= (1 << type);
rx_irq_handler[id][type] = rxhandler;
tx_irq_handler[id][type] = txhandler;
return 0;
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}
int hal_intersys_close(enum HAL_INTERSYS_ID_T id,
enum HAL_INTERSYS_MSG_TYPE_T type) {
if (id >= HAL_INTERSYS_ID_QTY) {
return 1;
}
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chan_opened[id] &= ~(1 << type);
rx_irq_handler[id][type] = NULL;
tx_irq_handler[id][type] = NULL;
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if (chan_opened[id] == 0) {
// Stop IRQs by default
NVIC_DisableIRQ(rx_irq_id[id]);
NVIC_DisableIRQ(tx_irq_id[id]);
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send_msg_list_p[id] = NULL;
send_pending_list_p[id] = NULL;
recv_pending_head[id].data = NULL;
need_flow_ctrl[id] = false;
}
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return 0;
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}
int hal_intersys_start_recv(enum HAL_INTERSYS_ID_T id) {
if (id >= HAL_INTERSYS_ID_QTY) {
return 1;
}
NVIC_EnableIRQ(rx_irq_id[id]);
// Check if there is any previous unprocessed message
if (recv_pending_head[id].data) {
hal_intersys_local_irq_set(id, HAL_INTERSYS_IRQ_SEND_IND);
}
return 0;
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}
int hal_intersys_stop_recv(enum HAL_INTERSYS_ID_T id) {
if (id >= HAL_INTERSYS_ID_QTY) {
return 1;
}
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NVIC_DisableIRQ(rx_irq_id[id]);
return 0;
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}
int hal_intersys_send(enum HAL_INTERSYS_ID_T id,
enum HAL_INTERSYS_MSG_TYPE_T type,
const unsigned char *data, unsigned int len) {
uint32_t lock;
int ret;
struct HAL_INTERSYS_SEND_RECORD_T *record;
struct HAL_INTERSYS_MSG_T *next;
int i;
if (id >= HAL_INTERSYS_ID_QTY) {
return 1;
}
if (type >= HAL_INTERSYS_MSG_TYPE_QTY) {
return 2;
}
if ((chan_opened[id] & (1 << type)) == 0) {
return 3;
}
NVIC_EnableIRQ(tx_irq_id[id]);
ret = -1;
record = &send_msgs[id][0];
lock = int_lock();
for (i = 0; i < MAX_SEND_RECORD_COUNT; i++) {
if (record->in_use) {
record++;
continue;
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}
record->in_use = true;
record->msg.next = NULL;
record->msg.type = type;
record->msg.len = len;
record->msg.data = data;
if (send_msg_list_p[id] == NULL) {
send_msg_list_p[id] = &record->msg;
hal_intersys_peer_irq_set(id, HAL_INTERSYS_IRQ_SEND_IND);
} else if (send_pending_list_p[id] == NULL) {
send_pending_list_p[id] = &record->msg;
} else {
next = send_pending_list_p[id];
while (next->next) {
next = next->next;
}
next->next = &record->msg;
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}
ret = 0;
// Prohibit sleep here
hal_intersys_busy(id, true);
break;
}
int_unlock(lock);
return ret;
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}
void hal_intersys_rx_done(enum HAL_INTERSYS_ID_T id) {
hal_intersys_peer_irq_set(id, HAL_INTERSYS_IRQ_RECV_DONE);
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}
#endif
#ifdef TX_RX_PCM_MASK
static FRAME2BUFF_HANDLER DecQ;
void hal_intersys_mic_rx_irq() {
int id;
id = HAL_INTERSYS_ID_1;
if (NVIC_GetActive(rx_irq_id[id])) {
hal_intersys_local_irq_clear(id, HAL_INTERSYS_IRQ_SEND_IND);
// TRACE(0,"HAL_INTERSYS_ID_1 CLEAR");
// output data to buff
DecQ();
}
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}
int hal_intersys_mic_open(enum HAL_INTERSYS_ID_T id, FRAME2BUFF_HANDLER dch) {
// if(btdrv_is_pcm_mask_enable()==1)
{
DecQ = dch;
NVIC_EnableIRQ(rx_irq_id[id]);
if (id == HAL_INTERSYS_ID_1) {
cmu->ISIRQ_CLR = CMU_BT2MCU_DATA1_DONE_CLR | CMU_MCU2BT_DATA1_IND_CLR;
NVIC_SetVector(rx_irq_id[id], (uint32_t)hal_intersys_mic_rx_irq);
NVIC_SetPriority(rx_irq_id[id], IRQ_PRIORITY_NORMAL);
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}
}
return 0;
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}
#endif