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code formatting and using essential types
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@kanndil
kanndil committed Jan 14, 2025
1 parent c59ab71 commit 6aaaa1f
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Showing 3 changed files with 176 additions and 91 deletions.
75 changes: 40 additions & 35 deletions fw/EF_I2S.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,164 +3,165 @@

#include <EF_I2S.h>

void EF_I2S_setGclkEnable (uint32_t i2s_base, int value){

void EF_I2S_setGclkEnable (uint32_t i2s_base, uint32_t value){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
i2s->GCLK = value;
}

void EF_I2S_enable (uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control |= EF_I2S_CTRL_REG_EN_MASK;
i2s->CTRL = control;
}

void EF_I2S_disable (uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control &= ~EF_I2S_CTRL_REG_EN_MASK;
i2s->CTRL = control;
}

void EF_I2S_enableFifo(uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control |= EF_I2S_CTRL_REG_FIFO_EN_MASK;
i2s->CTRL = control;
}

void EF_I2S_disableFifo(uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control &= ~EF_I2S_CTRL_REG_FIFO_EN_MASK;
i2s->CTRL = control;
}

void EF_I2S_enableAVG(uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control |= EF_I2S_CTRL_REG_AVG_EN_MASK;
i2s->CTRL = control;
}

void EF_I2S_enableZCR(uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control |= EF_I2S_CTRL_REG_ZCR_EN_MASK;
i2s->CTRL = control;
}

void EF_I2S_disableAVG(uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control &= ~EF_I2S_CTRL_REG_AVG_EN_MASK;
i2s->CTRL = control;
}

void EF_I2S_disableZCR(uint32_t i2s_base){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;
int control = i2s->CTRL;
uint32_t control = i2s->CTRL;
control &= ~EF_I2S_CTRL_REG_ZCR_EN_MASK;
i2s->CTRL = control;
}



void EF_I2S_setConfigReg (uint32_t i2s_base, int config){
void EF_I2S_setConfigReg (uint32_t i2s_base, uint32_t config){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

i2s->CFG = config;

}

int EF_I2S_getConfigReg (uint32_t i2s_base){
void EF_I2S_getConfigReg (uint32_t i2s_base, uint32_t* config){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

return (i2s->CFG);
*config = i2s->CFG;

}

void EF_I2S_setPrescaler(uint32_t i2s_base, int prescaler){
void EF_I2S_setPrescaler(uint32_t i2s_base, uint32_t prescaler){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

i2s->PR = prescaler;
}


int EF_I2S_getPrescaler(uint32_t i2s_base){
void EF_I2S_getPrescaler(uint32_t i2s_base, uint32_t* prescaler){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

return (i2s->PR);
*prescaler = (i2s->PR);
}

void EF_I2S_setAVGT(uint32_t i2s_base, int average){
void EF_I2S_setAVGT(uint32_t i2s_base, uint32_t average){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

i2s->AVGT = average;
}

void EF_I2S_setZCRT(uint32_t i2s_base, int average){
void EF_I2S_setZCRT(uint32_t i2s_base, uint32_t average){
EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

i2s->ZCRT = average;
}



int EF_I2S_getRxFifoLevel(uint32_t i2s_base){
void EF_I2S_getRxFifoLevel(uint32_t i2s_base, uint32_t* level){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

return (i2s->RX_FIFO_LEVEL);
*level = i2s->RX_FIFO_LEVEL;
}

void EF_I2S_setRxFifoThreshold(uint32_t i2s_base, int threshold){
void EF_I2S_setRxFifoThreshold(uint32_t i2s_base, uint32_t threshold){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

i2s->RX_FIFO_THRESHOLD = threshold;
}

int EF_I2S_getRxFifoThreshold(uint32_t i2s_base){
void EF_I2S_getRxFifoThreshold(uint32_t i2s_base, uint32_t* threshold){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

return (i2s->RX_FIFO_THRESHOLD) ;
*threshold = i2s->RX_FIFO_THRESHOLD;
}

// bit 0: RX FIFO is Empty
// bit 1: RX FIFO level is above the value in the RX FIFO Level Threshold Register
// bit 2: RX FIFO is Full


int EF_I2S_getRIS(uint32_t i2s_base){
void EF_I2S_getRIS(uint32_t i2s_base, uint32_t* ris_value){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

return (i2s->RIS);
*ris_value = i2s->RIS;
}



int EF_I2S_getMIS(uint32_t i2s_base){
void EF_I2S_getMIS(uint32_t i2s_base, uint32_t* mis_value){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

return (i2s->MIS);
*mis_value = i2s->MIS;
}

void EF_I2S_setIM(uint32_t i2s_base, int mask){
void EF_I2S_setIM(uint32_t i2s_base, uint32_t mask){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

i2s->IM = mask;
}

void EF_I2S_setIC(uint32_t i2s_base, int mask){
void EF_I2S_setIC(uint32_t i2s_base, uint32_t mask){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

Expand All @@ -169,11 +170,11 @@ void EF_I2S_setIC(uint32_t i2s_base, int mask){



int EF_I2S_getIM(uint32_t i2s_base){
void EF_I2S_getIM(uint32_t i2s_base, uint32_t* im_value){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

return (i2s->IM);
*im_value = i2s->IM;
}


Expand All @@ -191,16 +192,20 @@ void EF_I2S_clearIrqRxempty(uint32_t i2s_base){
i2s->IC = 0x1;
}

int EF_I2S_readData(uint32_t i2s_base){
void EF_I2S_readData(uint32_t i2s_base, uint32_t* data){

EF_I2S_TYPE* i2s = (EF_I2S_TYPE*)i2s_base;

while((EF_I2S_getRIS(i2s_base) & 0x2) == 0x0); // wait over RX fifo is above Flag to unset
uint32_t ris_value;
do {
// wait until RX FIFO is not empty
EF_I2S_getRIS(i2s_base, ris_value);
}
while((ris_value & 0x2) == 0x0); // wait over RX fifo is above Flag to unset
//while (EF_I2S_getRIS(i2s_base) & 0x1);
int data = i2s->RXDATA;
*data = i2s->RXDATA;
EF_I2S_clearIrqRxLevel(i2s_base);
//EF_I2S_clearIrqRxLevel(i2s_base);
return data;

}

#endif
88 changes: 69 additions & 19 deletions fw/EF_I2S.h
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Original file line number Diff line number Diff line change
@@ -1,10 +1,50 @@
/*
Copyright 2025 Efabless Corp.
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
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.
*/


/*! \file EF_I2S.h
\brief C header file for I2S APIs which contains the function prototypes
*/

#ifndef EF_I2S_H
#define EF_I2S_H

#include <stdint.h>
#include <EF_I2S_regs.h>
/******************************************************************************
* Includes
******************************************************************************/
#include "EF_I2S_regs.h"
#include "EF_Driver_Common.h"

void EF_I2S_setGclkEnable (uint32_t i2s_base, int value);
/******************************************************************************
* Macros and Constants
******************************************************************************/

/******************************************************************************
* Typedefs and Enums
******************************************************************************/

/******************************************************************************
* Function Prototypes
******************************************************************************/


void EF_I2S_setGclkEnable (uint32_t i2s_base, uint32_t value);

void EF_I2S_enable (uint32_t i2s_base);

Expand All @@ -22,36 +62,46 @@ void EF_I2S_enableZCR(uint32_t i2s_base);

void EF_I2S_disableZCR(uint32_t i2s_base);

void EF_I2S_setConfigReg (uint32_t i2s_base, int config);
void EF_I2S_setConfigReg (uint32_t i2s_base, uint32_t config);

int EF_I2S_getConfigReg (uint32_t i2s_base);
void EF_I2S_getConfigReg (uint32_t i2s_base, uint32_t* config);

void EF_I2S_setPrescaler(uint32_t i2s_base, int prescaler);
void EF_I2S_setPrescaler(uint32_t i2s_base, uint32_t prescaler);

int EF_I2S_getPrescaler(uint32_t i2s_base);
void EF_I2S_getPrescaler(uint32_t i2s_base, uint32_t* prescaler);

void EF_I2S_setAVGT(uint32_t i2s_base, int average);
void EF_I2S_setAVGT(uint32_t i2s_base, uint32_t average);

void EF_I2S_setZCRT(uint32_t i2s_base, int average);
void EF_I2S_setZCRT(uint32_t i2s_base, uint32_t average);

int EF_I2S_getRxFifoLevel(uint32_t i2s_base);
void EF_I2S_getRxFifoLevel(uint32_t i2s_base, uint32_t* level);

void EF_I2S_setRxFifoThreshold(uint32_t i2s_base, int threshold);
void EF_I2S_setRxFifoThreshold(uint32_t i2s_base, uint32_t threshold);

int EF_I2S_getRxFifoThreshold(uint32_t i2s_base);
void EF_I2S_getRxFifoThreshold(uint32_t i2s_base, uint32_t* threshold);

int EF_I2S_getRIS(uint32_t i2s_base);
void EF_I2S_getRIS(uint32_t i2s_base, uint32_t* ris_value);

int EF_I2S_getMIS(uint32_t i2s_base);
void EF_I2S_getMIS(uint32_t i2s_base, uint32_t* mis_value);

void EF_I2S_setIM(uint32_t i2s_base, int mask);
void EF_I2S_setIM(uint32_t i2s_base, uint32_t mask);

void EF_I2S_setIC(uint32_t i2s_base, int mask);
void EF_I2S_setIC(uint32_t i2s_base, uint32_t mask);

int EF_I2S_getIM(uint32_t i2s_base);
void EF_I2S_getIM(uint32_t i2s_base, uint32_t* im_value);

void EF_I2S_clearIrqRxLevel(uint32_t i2s_base);

int EF_I2S_readData(uint32_t i2s_base);
void EF_I2S_readData(uint32_t i2s_base, uint32_t* data);


/******************************************************************************
* External Variables
******************************************************************************/


#endif // EF_I2S_H

#endif
/******************************************************************************
* End of File
******************************************************************************/
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