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add volatiles to the ring buffer pointers

This commit is contained in:
George Hotz 2019-06-14 13:22:33 -07:00
parent b35285ba7d
commit 59eaec5dd6
2 changed files with 6 additions and 6 deletions
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4
board/drivers/can.h
View File

@ -3,8 +3,8 @@
// CAN3_TX, CAN3_RX0, CAN3_SCE
typedef struct {
uint32_t w_ptr;
uint32_t r_ptr;
volatile uint32_t w_ptr;
volatile uint32_t r_ptr;
uint32_t fifo_size;
CAN_FIFOMailBox_TypeDef *elems;
} can_ring;

8
board/drivers/uart.h
View File

@ -2,11 +2,11 @@
#define FIFO_SIZE 0x400
typedef struct uart_ring {
uint16_t w_ptr_tx;
uint16_t r_ptr_tx;
volatile uint16_t w_ptr_tx;
volatile uint16_t r_ptr_tx;
uint8_t elems_tx[FIFO_SIZE];
uint16_t w_ptr_rx;
uint16_t r_ptr_rx;
volatile uint16_t w_ptr_rx;
volatile uint16_t r_ptr_rx;
uint8_t elems_rx[FIFO_SIZE];
USART_TypeDef *uart;
void (*callback)(struct uart_ring*);