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Remove unnecessary volatile qualifiers.
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Erik Slagter committed Oct 26, 2013
1 parent 088a7bc commit d201c51
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Showing 2 changed files with 21 additions and 21 deletions.
38 changes: 19 additions & 19 deletions usitwislave.c
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Expand Up @@ -27,27 +27,27 @@ enum
} startstop_state_t;

static void (*idle_callback)(void);
static void (*data_callback)(uint8_t volatile input_buffer_length, const volatile uint8_t *input_buffer,
uint8_t volatile *output_buffer_length, uint8_t volatile *output_buffer);
static void (*data_callback)(uint8_t input_buffer_length, const uint8_t *input_buffer,
uint8_t *output_buffer_length, uint8_t *output_buffer);

static volatile uint8_t of_state;
static volatile uint8_t ss_state;
static uint8_t of_state;
static uint8_t ss_state;

static volatile uint8_t slave_address;
static uint8_t slave_address;

static volatile uint8_t input_buffer[USI_TWI_BUFFER_SIZE];
static volatile uint8_t input_buffer_length;
static volatile uint8_t output_buffer[USI_TWI_BUFFER_SIZE];
static volatile uint8_t output_buffer_length;
static volatile uint8_t output_buffer_current;
static uint8_t input_buffer[USI_TWI_BUFFER_SIZE];
static uint8_t input_buffer_length;
static uint8_t output_buffer[USI_TWI_BUFFER_SIZE];
static uint8_t output_buffer_length;
static uint8_t output_buffer_current;

static uint8_t stats_enabled;
static volatile uint16_t start_conditions_count;
static volatile uint16_t stop_conditions_count;
static volatile uint16_t error_conditions_count;
static volatile uint16_t overflow_conditions_count;
static volatile uint16_t local_frames_count;
static volatile uint16_t idle_call_count;
static uint8_t stats_enabled;
static uint16_t start_conditions_count;
static uint16_t stop_conditions_count;
static uint16_t error_conditions_count;
static uint16_t overflow_conditions_count;
static uint16_t local_frames_count;
static uint16_t idle_call_count;

static void set_sda_to_input(void)
{
Expand Down Expand Up @@ -329,8 +329,8 @@ ISR(USI_OVERFLOW_VECTOR)
}

void usi_twi_slave(uint8_t slave_address_in, uint8_t use_sleep,
void (*data_callback_in)(volatile uint8_t input_buffer_length, volatile const uint8_t *input_buffer,
volatile uint8_t *output_buffer_length, volatile uint8_t *output_buffer),
void (*data_callback_in)(uint8_t input_buffer_length, const uint8_t *input_buffer,
uint8_t *output_buffer_length, uint8_t *output_buffer),
void (*idle_callback_in)(void))
{
uint8_t call_datacallback = 0;
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4 changes: 2 additions & 2 deletions usitwislave.h
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Expand Up @@ -11,8 +11,8 @@ enum
};

void usi_twi_slave(uint8_t slave_address, uint8_t use_sleep,
void (*data_callback)(volatile uint8_t input_buffer_length, volatile const uint8_t *input_buffer,
volatile uint8_t *output_buffer_length, volatile uint8_t *output_buffer),
void (*data_callback)(uint8_t input_buffer_length, const uint8_t *input_buffer,
uint8_t *output_buffer_length, uint8_t *output_buffer),
void (*idle_callback)(void));

void usi_twi_enable_stats(uint8_t onoff);
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