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Feature/make pretty apps and ports (#80)

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* Added pretty-apps and pretty-ports make targets

* pretty-fied apps folder C files

* Pretty-fied ports folder C and H files

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
This commit is contained in:
Steve Karg
2020-04-30 10:13:11 -05:00
committed by GitHub
parent 0abcbea971
commit fdd49f1791
152 changed files with 9668 additions and 11674 deletions
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ports/bdk-atxx4-mstp/seeprom.c
+91 -85
View File
@@ -1,28 +1,28 @@
/**************************************************************************
*
* Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
* Used algorithm and code from Joerg Wunsch and Ruwan Jayanetti.
* http://www.nongnu.org/avr-libc/user-manual/group__twi__demo.html
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*********************************************************************/
*
* Copyright (C) 2009 Steve Karg <skarg@users.sourceforge.net>
* Used algorithm and code from Joerg Wunsch and Ruwan Jayanetti.
* http://www.nongnu.org/avr-libc/user-manual/group__twi__demo.html
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*********************************************************************/
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
@@ -57,7 +57,8 @@
#endif
/* The lower 3 bits of TWSR are reserved on the ATmega163 */
#define TW_STATUS_MASK (_BV(TWS7)|_BV(TWS6)|_BV(TWS5)|_BV(TWS4)|_BV(TWS3))
#define TW_STATUS_MASK \
(_BV(TWS7) | _BV(TWS6) | _BV(TWS5) | _BV(TWS4) | _BV(TWS3))
/* start condition transmitted */
#define TW_START 0x08
/* repeated start condition transmitted */
@@ -93,21 +94,20 @@
/* Number of iterations is the max amount to wait for write cycle
to complete a full page write */
/* .005s/.000025=200 */
#define MAX_ITER (((SEEPROM_I2C_CLOCK/1000)/10)*SEEPROM_WRITE_CYCLE)
#define MAX_ITER (((SEEPROM_I2C_CLOCK / 1000) / 10) * SEEPROM_WRITE_CYCLE)
/*************************************************************************
* DESCRIPTION: Return bytes from SEEPROM memory at address
* RETURN: number of bytes read, or -1 on error
* NOTES: none
**************************************************************************/
int seeprom_bytes_read(
uint16_t eeaddr, /* SEEPROM starting memory address */
uint8_t * buf, /* data to store */
* DESCRIPTION: Return bytes from SEEPROM memory at address
* RETURN: number of bytes read, or -1 on error
* NOTES: none
**************************************************************************/
int seeprom_bytes_read(uint16_t eeaddr, /* SEEPROM starting memory address */
uint8_t *buf, /* data to store */
int len)
{ /* number of bytes of data to read */
{ /* number of bytes of data to read */
uint8_t sla, twcr, n = 0;
int rv = 0;
uint8_t twst; /* status - only valid while TWINT is set. */
uint8_t twst; /* status - only valid while TWINT is set. */
uint16_t timeout = 0xFFFF;
#if SEEPROM_WORD_ADDRESS_16BIT
@@ -118,11 +118,11 @@ int seeprom_bytes_read(
sla = SEEPROM_I2C_ADDRESS | (((eeaddr >> 8) & 0x07) << 1);
#endif
/* First cycle: master transmitter mode */
restart:
restart:
if (n++ >= MAX_ITER) {
return -1;
}
begin:
begin:
/* send start condition */
TWCR = _BV(TWINT) | _BV(TWSTA) | _BV(TWEN);
/* wait for transmission */
@@ -159,7 +159,8 @@ int seeprom_bytes_read(
/* clear interrupt to start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MT_SLA_ACK:
@@ -184,7 +185,8 @@ int seeprom_bytes_read(
/* clear interrupt to start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MT_DATA_ACK:
@@ -203,7 +205,8 @@ int seeprom_bytes_read(
/* clear interrupt to start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MT_DATA_ACK:
@@ -229,7 +232,8 @@ int seeprom_bytes_read(
/* send repeated start condition */
TWCR = _BV(TWINT) | _BV(TWSTA) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_START:
@@ -247,7 +251,8 @@ int seeprom_bytes_read(
/* clear interrupt to start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MR_SLA_ACK:
@@ -272,7 +277,8 @@ int seeprom_bytes_read(
/* clear int to start transmission */
TWCR = twcr;
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MR_DATA_NACK:
@@ -288,32 +294,32 @@ int seeprom_bytes_read(
goto error;
}
}
quit:
quit:
/* Except in the case of lost arbitration, all bus transactions
must properly be terminated by the master initiating a
stop condition. */
/* send stop condition */
TWCR = _BV(TWINT) | _BV(TWSTO) | _BV(TWEN);
return rv;
error:
error:
rv = -1;
goto quit;
}
/*************************************************************************
* DESCRIPTION: Write some data and wait until it is sent
* RETURN: number of bytes written, or -1 on error
* NOTES: only writes from offset to end of page.
**************************************************************************/
* DESCRIPTION: Write some data and wait until it is sent
* RETURN: number of bytes written, or -1 on error
* NOTES: only writes from offset to end of page.
**************************************************************************/
static int seeprom_bytes_write_page(
uint16_t eeaddr, /* SEEPROM starting memory address */
uint8_t * buf, /* data to send */
uint16_t eeaddr, /* SEEPROM starting memory address */
uint8_t *buf, /* data to send */
int len)
{ /* number of bytes of data */
{ /* number of bytes of data */
uint8_t sla, n = 0;
int rv = 0;
uint16_t endaddr;
uint8_t twst; /* status - only valid while TWINT is set. */
uint8_t twst; /* status - only valid while TWINT is set. */
uint16_t page_end_addr;
uint16_t timeout = 0xFFFF;
@@ -330,11 +336,11 @@ static int seeprom_bytes_write_page(
/* patch high bits of EEPROM address into SLA */
sla = SEEPROM_I2C_ADDRESS | (((eeaddr >> 8) & 0x07) << 1);
#endif
restart:
restart:
if (n++ >= MAX_ITER) {
return -1;
}
begin:
begin:
/* Writing to the EEPROM device is simpler than reading,
since only a master transmitter mode transfer is needed.
Note that the first packet after the SLA+W selection is
@@ -373,7 +379,8 @@ static int seeprom_bytes_write_page(
/* clear interrupt to start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MT_SLA_ACK:
@@ -394,7 +401,8 @@ static int seeprom_bytes_write_page(
/* clear interrupt to start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MT_DATA_ACK:
@@ -413,8 +421,7 @@ static int seeprom_bytes_write_page(
/* clear interrupt to start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0) {
};
while ((TWCR & _BV(TWINT)) == 0) { };
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MT_DATA_ACK:
@@ -432,7 +439,8 @@ static int seeprom_bytes_write_page(
/* start transmission */
TWCR = _BV(TWINT) | _BV(TWEN);
/* wait for transmission */
while ((TWCR & _BV(TWINT)) == 0);
while ((TWCR & _BV(TWINT)) == 0)
;
twst = TWSR & TW_STATUS_MASK;
switch (twst) {
case TW_MT_DATA_NACK:
@@ -446,36 +454,35 @@ static int seeprom_bytes_write_page(
goto error;
}
}
quit:
quit:
/* send stop condition */
TWCR = _BV(TWINT) | _BV(TWSTO) | _BV(TWEN);
return rv;
error:
error:
rv = -1;
goto quit;
}
/*************************************************************************
* DESCRIPTION: Write some data and wait until it is sent
* RETURN: number of bytes written, or -1 on error
* NOTES:
* When the word address, internally generated,
* reaches the page boundary, the following
* byte is placed at the beginning of the same
* page. If more than 64 data words are
* transmitted to the EEPROM, the data word
* address will "roll over" and previous data will be
* overwritten. The address "roll over" during write
* is from the last byte of the current page to the
* first byte of the same page.
**************************************************************************/
int seeprom_bytes_write(
uint16_t off, /* SEEPROM starting memory address */
uint8_t * buf, /* data to send */
* DESCRIPTION: Write some data and wait until it is sent
* RETURN: number of bytes written, or -1 on error
* NOTES:
* When the word address, internally generated,
* reaches the page boundary, the following
* byte is placed at the beginning of the same
* page. If more than 64 data words are
* transmitted to the EEPROM, the data word
* address will "roll over" and previous data will be
* overwritten. The address "roll over" during write
* is from the last byte of the current page to the
* first byte of the same page.
**************************************************************************/
int seeprom_bytes_write(uint16_t off, /* SEEPROM starting memory address */
uint8_t *buf, /* data to send */
int len)
{ /* number of bytes of data */
{ /* number of bytes of data */
int status = 0;
int rv = 0;
@@ -497,12 +504,11 @@ int seeprom_bytes_write(
}
/*************************************************************************
* Description: Initialize the SEEPROM TWI connection
* Returns: none
* Notes: none
**************************************************************************/
void seeprom_init(
void)
* Description: Initialize the SEEPROM TWI connection
* Returns: none
* Notes: none
**************************************************************************/
void seeprom_init(void)
{
/* bit rate prescaler */
TWSR = 0;