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motor-control-sdk/source/position_sense/hdsl/driver/hdsl_drv.c
Dhaval Khandla 54303c850e am64x/am243x: hdsl: Add APIs for long message read and write 
- Also update the HDSL_write_pc_buffer API
- Update the SDK example to use updated APIs
- Set bit 7 in PC_ADD_H and PC_OFF_H in firmware for long messages

Fixes: PINDSW-7032

Signed-off-by: Dhaval Khandla <dhavaljk@ti.com>
2023-11-09 10:05:52 +05:30

620 lines
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/*
* Copyright (C) 2022-2023 Texas Instruments Incorporated
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <position_sense/hdsl/include/hdsl_drv.h>
#include <kernel/dpl/ClockP.h>
#include <drivers/hw_include/tistdtypes.h>
#define ONLINE_STATUS_1_L_FRES (1<<0)
#define ONLINE_STATUS_D_L_FREL (1)
#define PC_ADD_H_LONG_MSG_ENABLE (1<<7)
#define PC_ADD_H_LONG_MSG_WRITE (0<<6)
#define PC_ADD_H_LONG_MSG_READ (1<<6)
#define PC_ADD_H_LONG_MSG_ERROR (1<<5)
#define PC_ADD_H_OFFSET_EN_SHIFT (5)
#define PC_ADD_H_ADDR_TYPE_SHIFT (4)
#define PC_ADD_H_LENGTH_SHIFT (2)
#define PC_ADD_H_ADDR_HIGH_MASK (0x0300)
#define PC_ADD_L_ADDR_LOW_MASK (0x00FF)
#define PC_OFF_H_LONG_MSG_ENABLE (1<<7)
#define PC_OFF_H_OFFSET_HIGH_MASK (0x7F00)
#define PC_OFF_L_OFFSET_LOW_MASK (0x00FF)
#define PC_CTRL_ENABLE (0x01)
/* Should move the below to sysconfig generated code */
HDSL_Config hdslConfig0;
HDSL_Config hdslConfig1;
HDSL_Config hdslConfig2;
void hdsl_enable_load_share_mode(void *gPru_cfg ,uint32_t PRU_SLICE)
{
//HW_WR_REG32(0x30026104) |= 0x0800;
uint32_t rgval;
if(PRU_SLICE==1)
{
rgval = HW_RD_REG32((uint8_t *)gPru_cfg + CSL_ICSSCFG_EDPRU1TXCFGREGISTER);
rgval |= CSL_ICSSCFG_EDPRU1TXCFGREGISTER_PRU1_ENDAT_SHARE_EN_MASK;
HW_WR_REG32((uint8_t *)gPru_cfg + CSL_ICSSCFG_EDPRU1TXCFGREGISTER, rgval);
}
else
{
rgval = HW_RD_REG32((uint8_t *)gPru_cfg + CSL_ICSSCFG_EDPRU0TXCFGREGISTER);
rgval |= CSL_ICSSCFG_EDPRU0TXCFGREGISTER_PRU0_ENDAT_SHARE_EN_MASK;
HW_WR_REG32((uint8_t *)gPru_cfg + CSL_ICSSCFG_EDPRU0TXCFGREGISTER, rgval);
}
}
HDSL_Handle HDSL_open(PRUICSS_Handle icssgHandle, uint32_t icssCore,uint8_t PRU_mode)
{
/*
HDSL memory map:
RTU_PRU core: 0x0000 - 0x06FF
PRU core: 0x0700 - 0x0DFF
TX_PRU core: 0x0E00 - 0x1500
*/
uint32_t DMEM_BASE_OFFSET_RTU_PRU1=0;
uint32_t DMEM_BASE_OFFSET_PRU1=0x700;
uint32_t DMEM_BASE_OFFSET_TX_PRU1=0xE00;
HDSL_Handle hdslHandle;
if (PRU_mode==0)
{
hdslHandle = &hdslConfig0;
hdslHandle->baseMemAddr = (uint32_t *)(((PRUICSS_HwAttrs *)(icssgHandle->hwAttrs))->pru1DramBase);
}
else
{
if(icssCore == PRUICSS_RTU_PRU1)
{
hdslHandle = &hdslConfig0;
hdslHandle->baseMemAddr = (uint32_t *)((((PRUICSS_HwAttrs *)(icssgHandle->hwAttrs))->pru1DramBase)+DMEM_BASE_OFFSET_RTU_PRU1);
}
else if(icssCore == PRUICSS_PRU1)
{
hdslHandle = &hdslConfig1;
hdslHandle->baseMemAddr = (uint32_t *)((((PRUICSS_HwAttrs *)(icssgHandle->hwAttrs))->pru1DramBase) + DMEM_BASE_OFFSET_PRU1);
}
else if(icssCore == PRUICSS_TX_PRU1)
{
hdslHandle = &hdslConfig2;
hdslHandle->baseMemAddr = (uint32_t *)((((PRUICSS_HwAttrs *)(icssgHandle->hwAttrs))->pru1DramBase) + DMEM_BASE_OFFSET_TX_PRU1);
}
else
{
hdslHandle = NULL;
}
}
if (hdslHandle != NULL)
{
hdslHandle->icssgHandle = icssgHandle;
hdslHandle->icssCore = icssCore;
hdslHandle->hdslInterface = (HDSL_Interface *) hdslHandle->baseMemAddr;
hdslHandle->multi_turn = 0;
}
return hdslHandle;
}
void HDSL_iep_init(HDSL_Handle hdslHandle)
{
HW_WR_REG32((uint32_t)(((PRUICSS_HwAttrs *)(hdslHandle->icssgHandle->hwAttrs))->iep0RegBase) + CSL_ICSS_G_PR1_IEP1_SLV_GLOBAL_CFG_REG,
(CSL_ICSS_G_PR1_IEP1_SLV_GLOBAL_CFG_REG_CNT_ENABLE_MASK | (1 << CSL_ICSS_G_PR1_IEP1_SLV_GLOBAL_CFG_REG_DEFAULT_INC_SHIFT)));
/* Use OCP as IEP CLK src */
HW_WR_REG32((uint32_t)(((PRUICSS_HwAttrs *)(hdslHandle->icssgHandle->hwAttrs))->cfgRegBase) + CSL_ICSSCFG_IEPCLK, CSL_ICSSCFG_IEPCLK_OCP_EN_MASK);
}
int HDSL_enable_sync_signal(uint8_t ES, uint32_t period)
{
/*program here*/
uint32_t start_time = 10000;
uint32_t inEvent;
uint32_t outEvent_latch;
uint32_t outEvent_gpio;
uint32_t iep_base = CSL_PRU_ICSSG0_DRAM0_SLV_RAM_BASE + CSL_ICSS_G_PR1_IEP1_SLV_REGS_BASE;
/*Enable IEP. Enable the Counter and set the DEFAULT_INC and CMP_INC to 1.*/
HWREG(CSL_PRU_ICSSG0_DRAM0_SLV_RAM_BASE + CSL_ICSS_G_PR1_IEP1_SLV_REGS_BASE + CSL_ICSS_G_PR1_IEP1_SLV_GLOBAL_CFG_REG) = 0x111;
/*Enable SYNC0 and program pulse width*/
/*Enable SYNC and SYNC0*/
HWREG(iep_base + CSL_ICSS_G_PR1_IEP1_SLV_SYNC_CTRL_REG) |= 0x03;
/*Enable cyclic mod*/
HWREG(iep_base + CSL_ICSS_G_PR1_IEP1_SLV_SYNC_CTRL_REG) |= 0x20;
/*32504 4500 = num_of_cycles, 50Khz signals, 20us time period//(pulse_width / 4) - 1; */
HWREG(iep_base + CSL_ICSS_G_PR1_IEP1_SLV_SYNC_PWIDTH_REG) = (period)/2;
/* (period / 4) - 1; */
HWREG(iep_base + CSL_ICSS_G_PR1_IEP1_SLV_SYNC0_PERIOD_REG) =(period);
/*Program CMP1*/
HWREG(iep_base + CSL_ICSS_G_PR1_IEP1_SLV_CMP_CFG_REG) |= 0x00000004;
/*<start time>; Ensure this start time is in future*/
HWREG(iep_base + CSL_ICSS_G_PR1_IEP1_SLV_CMP1_REG0) = start_time;
/*TSR configuration:*/
inEvent = SYNCEVENT_INTRTR_IN_27;
outEvent_latch = SYNCEVT_RTR_SYNC10_EVT;
outEvent_gpio = SYNCEVT_RTR_SYNC30_EVT;
HWREG(CSL_TIMESYNC_EVENT_INTROUTER0_CFG_BASE + outEvent_latch) = inEvent | 0x10000;
HWREG(CSL_TIMESYNC_EVENT_INTROUTER0_CFG_BASE + outEvent_gpio) = inEvent | 0x10000;
HWREG(CSL_TIMESYNC_EVENT_INTROUTER0_CFG_BASE + SYNCEVT_RTR_SYNC28_EVT) = inEvent | 0x10000;
return 1;
}
uint64_t HDSL_get_pos(HDSL_Handle hdslHandle, int position_id)
{
uint64_t val;
HDSL_Interface *hdslInterfaceStruct = hdslHandle->hdslInterface;
switch(position_id){
case 0:
/* Fast Position */
val = hdslInterfaceStruct->POS0 | (hdslInterfaceStruct->POS1 << 8) |
(hdslInterfaceStruct->POS2 << 16) | (hdslInterfaceStruct->POS3 << 24);
val |= (uint64_t)hdslInterfaceStruct->POS4 << 32;
return val;
break;
case 1:
/* Safe Position 1 */
val = hdslInterfaceStruct->VPOS0 | (hdslInterfaceStruct->VPOS1 << 8) |
(hdslInterfaceStruct->VPOS2 << 16) | (hdslInterfaceStruct->VPOS3 << 24);
val |= (uint64_t)hdslInterfaceStruct->VPOS4 << 32;
return val;
break;
case 2:
/* Safe Position 2 */
val = hdslInterfaceStruct->VPOS20 | (hdslInterfaceStruct->VPOS21 << 8) |
(hdslInterfaceStruct->VPOS22 << 16) | (hdslInterfaceStruct->VPOS23 << 24);
val |= (uint64_t)hdslInterfaceStruct->VPOS24 << 32;
return val;
break;
default:
return -1;
}
}
uint8_t HDSL_get_qm(HDSL_Handle hdslHandle)
{
uint8_t ureg = hdslHandle->hdslInterface->MASTER_QM & 0xF;
return ureg;
}
uint16_t HDSL_get_events(HDSL_Handle hdslHandle)
{
uint16_t ureg = hdslHandle->hdslInterface->EVENT_L | (hdslHandle->hdslInterface->EVENT_H << 8);
return ureg;
}
uint8_t HDSL_get_safe_events(HDSL_Handle hdslHandle)
{
return hdslHandle->hdslInterface->EVENT_S;
}
uint16_t HDSL_get_online_status_d(HDSL_Handle hdslHandle)
{
uint16_t ureg = hdslHandle->hdslInterface->ONLINE_STATUS_D_L | (hdslHandle->hdslInterface->ONLINE_STATUS_D_H << 8);
return ureg;
}
uint16_t HDSL_get_online_status_1(HDSL_Handle hdslHandle)
{
uint16_t ureg =hdslHandle->hdslInterface->ONLINE_STATUS_1_L | (hdslHandle->hdslInterface->ONLINE_STATUS_1_H << 8);
return ureg;
}
uint16_t HDSL_get_online_status_2(HDSL_Handle hdslHandle)
{
uint16_t ureg = hdslHandle->hdslInterface->ONLINE_STATUS_2_L | (hdslHandle->hdslInterface->ONLINE_STATUS_2_H << 8);
return ureg;
}
uint8_t HDSL_get_sum(HDSL_Handle hdslHandle)
{
uint8_t ureg = hdslHandle->hdslInterface->SAFE_SUM;
return ureg;
}
uint8_t HDSL_get_acc_err_cnt(HDSL_Handle hdslHandle)
{
return (uint8_t) (hdslHandle->hdslInterface->ACC_ERR_CNT & 0x1F);
}
uint8_t HDSL_get_rssi(HDSL_Handle hdslHandle)
{
uint8_t ureg = (hdslHandle->hdslInterface->DELAY & 0xF0) >> 4;
return ureg;
}
int32_t HDSL_write_pc_short_msg(HDSL_Handle hdslHandle,uint8_t addr, uint8_t data, uint64_t timeout)
{
uint64_t end;
end = ClockP_getTimeUsec() + timeout;
while((hdslHandle->hdslInterface->ONLINE_STATUS_1_L & ONLINE_STATUS_1_L_FRES) != 1)
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
hdslHandle->hdslInterface->S_PC_DATA = data;
hdslHandle->hdslInterface->SLAVE_REG_CTRL = addr;
while((hdslHandle->hdslInterface->ONLINE_STATUS_1_L & ONLINE_STATUS_1_L_FRES) != 0)
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
while((hdslHandle->hdslInterface->ONLINE_STATUS_1_L & ONLINE_STATUS_1_L_FRES) != 1)
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
return SystemP_SUCCESS;
}
int32_t HDSL_read_pc_short_msg(HDSL_Handle hdslHandle,uint8_t addr, uint8_t *data, uint64_t timeout)
{
uint64_t end;
end = ClockP_getTimeUsec() + timeout;
while((hdslHandle->hdslInterface->ONLINE_STATUS_1_L & ONLINE_STATUS_1_L_FRES) != 1)
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
hdslHandle->hdslInterface->S_PC_DATA = 0;
hdslHandle->hdslInterface->SLAVE_REG_CTRL = (addr | (1<<7));
while((hdslHandle->hdslInterface->ONLINE_STATUS_1_L & ONLINE_STATUS_1_L_FRES) != 0)
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
while((hdslHandle->hdslInterface->ONLINE_STATUS_1_L & ONLINE_STATUS_1_L_FRES) != 1)
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
*data = hdslHandle->hdslInterface->S_PC_DATA;
return SystemP_SUCCESS;
}
int32_t HDSL_write_pc_long_msg(HDSL_Handle hdslHandle, uint16_t addr, uint8_t offsetEnable, uint8_t addrType, uint8_t length, uint16_t offset, uint64_t timeout)
{
uint64_t end;
end = ClockP_getTimeUsec() + timeout;
while(!(hdslHandle->hdslInterface->ONLINE_STATUS_D_L & (1<<ONLINE_STATUS_D_L_FREL)))
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
/*
Setting PC_ADD_L
Bits 7:0 contain bits 7:0 of 10 bit address for long message
*/
hdslHandle->hdslInterface->PC_ADD_L = (addr & PC_ADD_L_ADDR_LOW_MASK);
/*
Setting PC_ADD_H
Bit 7 should always be set for long message
Bit 6 is unset for write operation
Bit 5 is to enable/disable offset
Bit 4 is to select direct/indirect addressing
Bits 3:2 define the length of the message
Bits 1:0 contain bits 9:8 of 10 bit address for long message
*/
hdslHandle->hdslInterface->PC_ADD_H = (PC_ADD_H_LONG_MSG_ENABLE) |
(PC_ADD_H_LONG_MSG_WRITE) |
(offsetEnable << PC_ADD_H_OFFSET_EN_SHIFT) |
(addrType << PC_ADD_H_ADDR_TYPE_SHIFT) |
(length << PC_ADD_H_LENGTH_SHIFT) |
((addr & PC_ADD_H_ADDR_HIGH_MASK) >> 8);
/*
Setting PC_OFF_L
Bits 7:0 contain bits 7:0 of 15 bit offset value
*/
hdslHandle->hdslInterface->PC_OFF_L = (offset & PC_OFF_L_OFFSET_LOW_MASK);
/*
Setting PC_OFF_H
Bit 7 should always be set for long message
Bits 6:0 contain bits 14:8 of 15 bit offset value
*/
hdslHandle->hdslInterface->PC_OFF_H = (PC_OFF_H_LONG_MSG_ENABLE) |
((offset & PC_OFF_H_OFFSET_HIGH_MASK) >> 8);
/* Setting PC_CTRL */
hdslHandle->hdslInterface->PC_CTRL = PC_CTRL_ENABLE;
while((hdslHandle->hdslInterface->ONLINE_STATUS_D_L & (1<<ONLINE_STATUS_D_L_FREL)))
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
while(!(hdslHandle->hdslInterface->ONLINE_STATUS_D_L & (1<<ONLINE_STATUS_D_L_FREL)))
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
/* Checking for error */
if(hdslHandle->hdslInterface->PC_ADD_H & PC_ADD_H_LONG_MSG_ERROR)
{
return SystemP_FAILURE;
}
return SystemP_SUCCESS;
}
int32_t HDSL_read_pc_long_msg(HDSL_Handle hdslHandle, uint16_t addr, uint8_t offsetEnable, uint8_t addrType, uint8_t length, uint16_t offset, uint64_t timeout)
{
uint64_t end;
end = ClockP_getTimeUsec() + timeout;
while(!(hdslHandle->hdslInterface->ONLINE_STATUS_D_L & (1<<ONLINE_STATUS_D_L_FREL)))
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
/*
Setting PC_ADD_L
Bits 7:0 contain bits 7:0 of 10 bit address for long message
*/
hdslHandle->hdslInterface->PC_ADD_L = (addr & PC_ADD_L_ADDR_LOW_MASK);
/*
Setting PC_ADD_H
Bit 7 should always be set for long message
Bit 6 is set for read operation
Bit 5 is to enable/disable offset
Bit 4 is to select direct/indirect addressing
Bits 3:2 define the length of the message
Bits 1:0 contain bits 9:8 of 10 bit address for long message
*/
hdslHandle->hdslInterface->PC_ADD_H = (PC_ADD_H_LONG_MSG_ENABLE) |
(PC_ADD_H_LONG_MSG_READ) |
(offsetEnable << PC_ADD_H_OFFSET_EN_SHIFT) |
(addrType << PC_ADD_H_ADDR_TYPE_SHIFT) |
(length << PC_ADD_H_LENGTH_SHIFT) |
((addr & PC_ADD_H_ADDR_HIGH_MASK) >> 8);
/*
Setting PC_OFF_L
Bits 7:0 contain bits 7:0 of 15 bit offset value
*/
hdslHandle->hdslInterface->PC_OFF_L = (offset & PC_OFF_L_OFFSET_LOW_MASK);
/*
Setting PC_OFF_H
Bit 7 should always be set for long message
Bits 6:0 contain bits 14:8 of 15 bit offset value
*/
hdslHandle->hdslInterface->PC_OFF_H = (PC_OFF_H_LONG_MSG_ENABLE) |
((offset & PC_OFF_H_OFFSET_HIGH_MASK) >> 8);
/* Setting PC_CTRL */
hdslHandle->hdslInterface->PC_CTRL = PC_CTRL_ENABLE;
while((hdslHandle->hdslInterface->ONLINE_STATUS_D_L & (1<<ONLINE_STATUS_D_L_FREL)))
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
while(!(hdslHandle->hdslInterface->ONLINE_STATUS_D_L & (1<<ONLINE_STATUS_D_L_FREL)))
{
if(ClockP_getTimeUsec() > end)
{
return SystemP_TIMEOUT;
}
}
/* Checking for error */
if(hdslHandle->hdslInterface->PC_ADD_H & PC_ADD_H_LONG_MSG_ERROR)
{
return SystemP_FAILURE;
}
return SystemP_SUCCESS;
}
void HDSL_write_pc_buffer(HDSL_Handle hdslHandle, uint8_t buff_off, uint8_t data)
{
switch(buff_off)
{
case 0:
hdslHandle->hdslInterface->PC_BUFFER0 = data;
break;
case 1:
hdslHandle->hdslInterface->PC_BUFFER1 = data;
break;
case 2:
hdslHandle->hdslInterface->PC_BUFFER2 = data;
break;
case 3:
hdslHandle->hdslInterface->PC_BUFFER3 = data;
break;
case 4:
hdslHandle->hdslInterface->PC_BUFFER4 = data;
break;
case 5:
hdslHandle->hdslInterface->PC_BUFFER5 = data;
break;
case 6:
hdslHandle->hdslInterface->PC_BUFFER6 = data;
break;
case 7:
hdslHandle->hdslInterface->PC_BUFFER7 = data;
break;
default:
break;
}
}
uint8_t HDSL_read_pc_buffer(HDSL_Handle hdslHandle, uint8_t buff_off)
{
switch(buff_off)
{
case 0:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER0);
break;
case 1:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER1);
break;
case 2:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER2);
break;
case 3:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER3);
break;
case 4:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER4);
break;
case 5:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER5);
break;
case 6:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER6);
break;
case 7:
return (uint8_t) (hdslHandle->hdslInterface->PC_BUFFER7);
break;
default:
return 0;
break;
}
}
uint8_t HDSL_get_sync_ctrl(HDSL_Handle hdslHandle)
{
return (uint8_t) (hdslHandle->hdslInterface->SYNC_CTRL);
}
void HDSL_set_sync_ctrl(HDSL_Handle hdslHandle, uint8_t val)
{
hdslHandle->hdslInterface->SYNC_CTRL = val;
}
uint8_t HDSL_get_master_qm(HDSL_Handle hdslHandle)
{
return (uint8_t) hdslHandle->hdslInterface->MASTER_QM;
}
uint8_t HDSL_get_edges(HDSL_Handle hdslHandle)
{
return (uint8_t) hdslHandle->hdslInterface->EDGES;
}
void HDSL_set_pc_addr(HDSL_Handle hdslHandle, uint8_t pc_addrh, uint8_t pc_addrl, uint8_t pc_offh, uint8_t pc_offl)
{
hdslHandle->hdslInterface->PC_ADD_L = pc_addrl;
hdslHandle->hdslInterface->PC_ADD_H = pc_addrh;
hdslHandle->hdslInterface->PC_OFF_L = pc_offl;
hdslHandle->hdslInterface->PC_OFF_H = pc_offh;
}
void HDSL_set_pc_ctrl(HDSL_Handle hdslHandle, uint8_t value)
{
hdslHandle->hdslInterface->PC_CTRL = value;
}
uint8_t HDSL_get_delay(HDSL_Handle hdslHandle)
{
return (uint8_t) hdslHandle->hdslInterface->DELAY;
}
uint8_t HDSL_get_enc_id(HDSL_Handle hdslHandle, int byte)
{
switch(byte)
{
case 0:
return (uint8_t) hdslHandle->hdslInterface->ENC_ID0;
case 1:
return (uint8_t) hdslHandle->hdslInterface->ENC_ID1;
case 2:
return (uint8_t) hdslHandle->hdslInterface->ENC_ID2;
default:
return -1;
}
}
void* HDSL_get_src_loc(HDSL_Handle hdslHandle)
{
/* returns HDSL interface struct memory location */
return (void *)hdslHandle->hdslInterface;
}
uint32_t HDSL_get_length(HDSL_Handle hdslHandle)
{
return sizeof(*(hdslHandle->hdslInterface));
}
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