sravan/system76-embedded-controller
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Mark pointers as const

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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
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10
src/arch/avr/uart.c
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@ -54,7 +54,7 @@ struct Uart *uart_new(int16_t num) {
}
}
void uart_init(struct Uart *uart, uint32_t baud) {
void uart_init(struct Uart *const uart, uint32_t baud) {
uint32_t baud_prescale = (F_CPU / (baud * 16UL)) - 1;
*(uart->baud_h) = (uint8_t)(baud_prescale >> 8);
*(uart->baud_l) = (uint8_t)(baud_prescale);
@ -63,20 +63,20 @@ void uart_init(struct Uart *uart, uint32_t baud) {
*(uart->c) = uart->c_init;
}
uint8_t uart_can_read(struct Uart *uart) {
uint8_t uart_can_read(struct Uart *const uart) {
return (*(uart->a)) & uart->a_read;
}
uint8_t uart_read(struct Uart *uart) {
uint8_t uart_read(struct Uart *const uart) {
while (!uart_can_read(uart)) {}
return *(uart->data);
}
uint8_t uart_can_write(struct Uart *uart) {
uint8_t uart_can_write(struct Uart *const uart) {
return (*(uart->a)) & uart->a_write;
}
void uart_write(struct Uart *uart, uint8_t data) {
void uart_write(struct Uart *const uart, uint8_t data) {
while (!uart_can_write(uart)) {}
*(uart->data) = data;
}