sravan/system76-embedded-controller
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Mark pointers as const

Browse Source 
Resulting binaries are identical.

Signed-off-by: Tim Crawford <tcrawford@system76.com>
This commit is contained in:
Tim Crawford
2024-03-01 07:59:13 -07:00
committed by Jeremy Soller
parent d60a8e4c8e
commit 9fb08ffa46
38 changed files with 213 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/arch/avr/i2c.c
View File

@ -10,7 +10,7 @@
#define TIMEOUT (F_CPU / 1000)
int16_t i2c_start(struct I2C *i2c, uint8_t addr, bool read) {
int16_t i2c_start(struct I2C *const i2c, uint8_t addr, bool read) {
uint32_t count;
// reset TWI control register
@ -47,12 +47,12 @@ int16_t i2c_start(struct I2C *i2c, uint8_t addr, bool read) {
return 0;
}
void i2c_stop(struct I2C *i2c) {
void i2c_stop(struct I2C *const i2c) {
// transmit STOP condition
TWCR = BIT(TWINT) | BIT(TWEN) | BIT(TWSTO);
}
int16_t i2c_write(struct I2C *i2c, uint8_t *data, uint16_t length) {
int16_t i2c_write(struct I2C *const i2c, uint8_t *const data, uint16_t length) {
uint16_t i;
for (i = 0; i < length; i++) {
// load data into data register
@ -74,7 +74,7 @@ int16_t i2c_write(struct I2C *i2c, uint8_t *data, uint16_t length) {
return i;
}
int16_t i2c_read(struct I2C *i2c, uint8_t *data, uint16_t length) {
int16_t i2c_read(struct I2C *const i2c, uint8_t *const data, uint16_t length) {
uint16_t i;
for (i = 0; i < length; i++) {
if ((i + 1) < length) {