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Merge pull request #3101 from gebart/pr/warning-fixes 

Various warning fixes
This commit is contained in:
Peter Kietzmann 2015-05-31 17:03:49 +02:00
parent 555e1b6dc2 ea597a3bf3
commit 6dc0e789e1
15 changed files with 117 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
cpu/cortexm_common/include/core_cmFunc.h
View File

@ -598,6 +598,7 @@ __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
}
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
/** \brief Set FPSCR
This function assigns the given value to the Floating Point Status/Control register.
@ -606,13 +607,12 @@ __attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
*/
__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
{
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
/* Empty asm statement works as a scheduling barrier */
__ASM volatile ("");
__ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc");
__ASM volatile ("");
#endif
}
#endif
#endif /* (__CORTEX_M == 0x04) || (__CORTEX_M == 0x07) */

19
cpu/k60/devio/devio-null.c
View File

@ -25,22 +25,33 @@
int devnull_open_r(struct _reent *r, const char *path, int flags, int mode)
{
(void) r;
(void) path;
(void) flags;
(void) mode;
return 0;
}
int devnull_close_r(struct _reent *r, int fd)
{
(void) r;
(void) fd;
return 0;
}
long devnull_write_r(struct _reent *r, int fd, const char *ptr, int len)
{
(void) r;
(void) fd;
(void) ptr;
/* Aaand... it's gone!*/
return len;
}
long devnull_read_r(struct _reent *r, int fd, char *ptr, int len)
{
(void) r;
(void) fd;
/* Read null bytes */
memset(ptr, '\0', len);
return len;
@ -48,12 +59,20 @@ long devnull_read_r(struct _reent *r, int fd, char *ptr, int len)
long devnull_lseek_r(struct _reent *r, int fd, int ptr, int dir)
{
(void) r;
(void) fd;
(void) ptr;
(void) dir;
r->_errno = ENOSYS;
return -1;
}
long devnull_fstat_r(struct _reent *r, int fd, char *ptr, int len)
{
(void) r;
(void) fd;
(void) ptr;
(void) len;
r->_errno = ENOSYS;
return -1;
}

7
cpu/k60/devio/devio-uart.c
View File

@ -26,6 +26,8 @@
static inline long uart_write_r(uart_t uart_num, struct _reent *r, int fd, const char *ptr,
int len)
{
(void) r;
(void) fd;
int i = 0;
while (i < len) {
@ -39,6 +41,11 @@ static inline long uart_write_r(uart_t uart_num, struct _reent *r, int fd, const
static long uart_read_r(uart_t uart_num, struct _reent *r, int fd, char *ptr, int len)
{
/* not yet implemented */
(void) uart_num;
(void) r;
(void) fd;
(void) ptr;
(void) len;
return 0;
}

11
cpu/k60/syscalls.c
View File

@ -67,19 +67,17 @@ static ringbuffer_t rx_buf;
*/
static void stdio_rx_cb(void *arg, char data)
{
#ifndef MODULE_UART0
(void)arg;
ringbuffer_add_one(&rx_buf, data);
mutex_unlock(&uart_rx_mutex);
#else
#ifdef MODULE_UART0
if (uart0_handler_pid) {
uart0_handle_incoming(data);
uart0_notify_thread();
}
#else
ringbuffer_add_one(&rx_buf, data);
mutex_unlock(&uart_rx_mutex);
#endif
}
@ -119,6 +117,7 @@ _exit(int code)
/* See local variable `status` during debugger break. */
asm volatile ("bkpt #0");
#else
(void) code;
NVIC_SystemReset();
#endif

6
cpu/kinetis_common/hwtimer_arch.c
View File

@ -87,6 +87,7 @@ inline static void hwtimer_stop(void)
void hwtimer_arch_init(void (*handler)(int), uint32_t fcpu)
{
(void) fcpu; /* fcpu does not affect the Low power timer module frequency */
timeout_handler = handler;
/* unlock LPTIMER_DEV */
@ -146,7 +147,7 @@ void hwtimer_arch_disable_interrupt(void)
void hwtimer_arch_set(unsigned long offset, short timer)
{
(void)timer;
(void)timer; /* we only support one timer */
stimer.counter32b += lptmr_get_cnr();
hwtimer_stop();
@ -165,7 +166,7 @@ void hwtimer_arch_set(unsigned long offset, short timer)
void hwtimer_arch_set_absolute(unsigned long value, short timer)
{
(void)timer;
(void)timer; /* we only support one timer */
stimer.counter32b += lptmr_get_cnr();
hwtimer_stop();
@ -184,6 +185,7 @@ void hwtimer_arch_set_absolute(unsigned long value, short timer)
void hwtimer_arch_unset(short timer)
{
(void)timer; /* we only support one timer */
stimer.counter32b += lptmr_get_cnr();
hwtimer_stop();
stimer.diff = 0;

2
cpu/kinetis_common/i2c.c
View File

@ -155,6 +155,8 @@ int i2c_init_master(i2c_t dev, i2c_speed_t speed)
int i2c_init_slave(i2c_t dev, uint8_t address)
{
/* TODO: implement slave mode */
(void) dev;
(void) address;
return -1;
}

4
cpu/kinetis_common/random_rnga.c
View File

@ -35,7 +35,7 @@ void random_init(void)
int random_read(char *buf, unsigned int num)
{
int count = 0;
unsigned int count = 0;
/* self-seeding */
while (!(KINETIS_RNGA->SR & RNG_SR_OREG_LVL_MASK));
@ -55,7 +55,7 @@ int random_read(char *buf, unsigned int num)
}
}
return count;
return (int)count;
}
void random_poweron(void)

4
cpu/kinetis_common/random_rngb.c
View File

@ -37,7 +37,7 @@ void random_init(void)
int random_read(char *buf, unsigned int num)
{
int count = 0;
unsigned int count = 0;
while (count < num) {
uint32_t tmp;
@ -54,7 +54,7 @@ int random_read(char *buf, unsigned int num)
}
}
return count;
return (int)count;
}
void random_poweron(void)

53
cpu/kinetis_common/spi.c
View File

@ -352,8 +352,11 @@
/**
* @brief Array holding one pre-initialized mutex for each hardware SPI device
*/
/* TODO: Avoid adding duplicate entries with the same index. GCC warns about it
* but it works. It does look strange in the preprocessed output, however.
/* We try to avoid adding duplicate entries with the same index by comparing the
* SPI_x_INDEX macros, the #if statements become quite long though.
*
* If not checking for multiple initializations GCC will warn about it
* but the binary still works. It does look strange in the preprocessed output, however.
*
* The warning message is:
* warning: initialized field overwritten [-Woverride-init]
@ -371,25 +374,34 @@ static mutex_t locks[] = {
#if SPI_0_EN
[SPI_0_INDEX] = MUTEX_INIT,
#endif
#if SPI_1_EN
#if SPI_1_EN && (SPI_1_INDEX != SPI_0_INDEX)
[SPI_1_INDEX] = MUTEX_INIT,
#endif
#if SPI_2_EN
#if SPI_2_EN && (SPI_2_INDEX != SPI_0_INDEX) && (SPI_2_INDEX != SPI_1_INDEX)
[SPI_2_INDEX] = MUTEX_INIT,
#endif
#if SPI_3_EN
#if SPI_3_EN && (SPI_3_INDEX != SPI_0_INDEX) && (SPI_3_INDEX != SPI_1_INDEX) \
&& (SPI_3_INDEX != SPI_2_INDEX)
[SPI_3_INDEX] = MUTEX_INIT,
#endif
#if SPI_4_EN
#if SPI_4_EN && (SPI_4_INDEX != SPI_0_INDEX) && (SPI_4_INDEX != SPI_1_INDEX) \
&& (SPI_4_INDEX != SPI_2_INDEX) && (SPI_4_INDEX != SPI_3_INDEX)
[SPI_4_INDEX] = MUTEX_INIT,
#endif
#if SPI_5_EN
#if SPI_5_EN && (SPI_5_INDEX != SPI_0_INDEX) && (SPI_5_INDEX != SPI_1_INDEX) \
&& (SPI_5_INDEX != SPI_2_INDEX) && (SPI_5_INDEX != SPI_3_INDEX) \
&& (SPI_5_INDEX != SPI_4_INDEX)
[SPI_5_INDEX] = MUTEX_INIT,
#endif
#if SPI_6_EN
#if SPI_6_EN && (SPI_6_INDEX != SPI_0_INDEX) && (SPI_6_INDEX != SPI_1_INDEX) \
&& (SPI_6_INDEX != SPI_2_INDEX) && (SPI_6_INDEX != SPI_3_INDEX) \
&& (SPI_6_INDEX != SPI_4_INDEX) && (SPI_6_INDEX != SPI_5_INDEX)
[SPI_6_INDEX] = MUTEX_INIT,
#endif
#if SPI_7_EN
#if SPI_7_EN && (SPI_7_INDEX != SPI_0_INDEX) && (SPI_7_INDEX != SPI_1_INDEX) \
&& (SPI_7_INDEX != SPI_2_INDEX) && (SPI_7_INDEX != SPI_3_INDEX) \
&& (SPI_7_INDEX != SPI_4_INDEX) && (SPI_7_INDEX != SPI_5_INDEX) \
&& (SPI_7_INDEX != SPI_6_INDEX)
[SPI_7_INDEX] = MUTEX_INIT,
#endif
};
@ -464,12 +476,12 @@ static spi_state_t spi_config[SPI_NUMOF];
* @return The actual achieved frequency on success
* @return Less than 0 on error.
*/
static int find_closest_baudrate_scalers(const uint32_t module_clock, const uint32_t target_clock,
static long find_closest_baudrate_scalers(const uint32_t module_clock, const long target_clock,
uint8_t *closest_prescaler, uint8_t *closest_scaler)
{
uint8_t i;
uint8_t k;
int freq;
long freq;
static const uint8_t num_scalers = 16;
static const uint8_t num_prescalers = 4;
static const int br_scalers[16] = {
@ -478,7 +490,7 @@ static int find_closest_baudrate_scalers(const uint32_t module_clock, const uint
};
static const int br_prescalers[4] = {2, 3, 5, 7};
int closest_frequency = -1;
long closest_frequency = -1;
/* Test all combinations until we arrive close to the target clock */
for (i = 0; i < num_prescalers; ++i) {
@ -533,18 +545,18 @@ static int find_closest_baudrate_scalers(const uint32_t module_clock, const uint
* @return The actual achieved frequency on success
* @return Less than 0 on error.
*/
static int find_closest_delay_scalers(const uint32_t module_clock, const uint32_t target_freq,
static long find_closest_delay_scalers(const uint32_t module_clock, const long target_freq,
uint8_t *closest_prescaler, uint8_t *closest_scaler)
{
uint8_t i;
uint8_t k;
int freq;
long freq;
int prescaler;
int scaler;
static const uint8_t num_scalers = 16;
static const uint8_t num_prescalers = 4;
int closest_frequency = -1;
long closest_frequency = -1;
/* Test all combinations until we arrive close to the target clock */
for (i = 0; i < num_prescalers; ++i) {
@ -832,6 +844,9 @@ int spi_init_slave(spi_t dev, spi_conf_t conf, char(*cb)(char data))
spi_dev->RSER = (uint32_t)0;
/* set callback */
spi_config[dev].cb = cb;
return 0;
}
@ -1041,13 +1056,13 @@ int spi_transfer_bytes(spi_t dev, char *out, char *in, unsigned int length)
/* Default: send idle data */
byte_out = (uint8_t)SPI_IDLE_DATA;
for (i = 0; i < length; i++) {
for (i = 0; i < (int)length; i++) {
if (out != NULL) {
/* Send given out data */
byte_out = (uint8_t)out[i];
}
if (i >= length - 1) {
if (i >= (int)length - 1) {
/* Last byte, set End-of-Queue flag, clear Continue flag. */
flags &= ~(SPI_PUSHR_CONT_MASK);
flags |= SPI_PUSHR_EOQ_MASK;
@ -1248,13 +1263,13 @@ int spi_transfer_regs(spi_t dev, uint8_t reg, char *out, char *in, unsigned int
/* Default: send idle data */
byte_out = (uint8_t)SPI_IDLE_DATA;
for (i = 0; i < length; i++) {
for (i = 0; i < (int)length; i++) {
if (out != NULL) {
/* Send given out data */
byte_out = (uint8_t)out[i];
}
if (i >= length - 1) {
if (i >= (int)length - 1) {
/* Last byte, set End-of-Queue flag, clear Continue flag. */
flags &= ~(SPI_PUSHR_CONT_MASK);
flags |= SPI_PUSHR_EOQ_MASK;

2
cpu/kinetis_common/timer.c
View File

@ -144,6 +144,7 @@ int timer_set(tim_t dev, int channel, unsigned int timeout)
int timer_set_absolute(tim_t dev, int channel, unsigned int value)
{
(void) channel; /* we only support one channel */
switch (dev) {
#if TIMER_0_EN
@ -179,6 +180,7 @@ int timer_set_absolute(tim_t dev, int channel, unsigned int value)
int timer_clear(tim_t dev, int channel)
{
(void) channel; /* we only support one channel */
switch (dev) {
#if TIMER_0_EN

2
cpu/stm32f4/periph/i2c.c
View File

@ -218,6 +218,8 @@ static void _toggle_pins(GPIO_TypeDef *port_scl, GPIO_TypeDef *port_sda, int pin
int i2c_init_slave(i2c_t dev, uint8_t address)
{
/* TODO: implement slave mode */
(void) dev;
(void) address;
return -1;
}

4
cpu/stm32f4/periph/random.c
View File

@ -34,7 +34,7 @@ int random_read(char *buf, unsigned int num)
{
/* cppcheck-suppress variableScope */
uint32_t tmp;
int count = 0;
unsigned int count = 0;
while (count < num) {
/* wait for random data to be ready to read */
@ -48,7 +48,7 @@ int random_read(char *buf, unsigned int num)
}
}
return count;
return (int)count;
}
void random_poweron(void)

9
cpu/stm32f4/periph/spi.c
View File

@ -352,20 +352,23 @@ int spi_transfer_byte(spi_t dev, char out, char *in)
int spi_transfer_bytes(spi_t dev, char *out, char *in, unsigned int length)
{
int trans_bytes = 0;
int i, trans_ret, trans_bytes = 0;
char in_temp;
for (unsigned int i = 0; i < length; i++) {
char in_temp;
int trans_ret;
for (i = 0; i < length; i++) {
if (out) {
trans_ret = spi_transfer_byte(dev, out[i], &in_temp);
}
else {
trans_ret = spi_transfer_byte(dev, 0, &in_temp);
}
if (trans_ret < 0) {
return -1;
}
if (in != NULL) {
in[i] = in_temp;
}

3
drivers/at86rf231/at86rf231.c
View File

@ -66,6 +66,7 @@ void at86rf231_init(kernel_pid_t tpid)
int at86rf231_initialize(netdev_t *dev)
{
(void)dev;
at86rf231_gpio_spi_interrupts_init();
at86rf231_reset();
@ -234,6 +235,7 @@ int at86rf231_rem_raw_recv_callback(netdev_t *dev,
netdev_802154_raw_packet_cb_t recv_cb)
{
(void)dev;
(void)recv_cb;
at86rf231_raw_packet_cb = NULL;
return 0;
@ -256,6 +258,7 @@ int at86rf231_rem_data_recv_callback(netdev_t *dev,
netdev_rcv_data_cb_t recv_cb)
{
(void)dev;
(void)recv_cb;
at86rf231_data_packet_cb = NULL;
return 0;

33
sys/newlib/syscalls.c
View File

@ -64,17 +64,17 @@ static ringbuffer_t rx_buf;
*/
void rx_cb(void *arg, char data)
{
#ifndef MODULE_UART0
(void)arg;
ringbuffer_add_one(&rx_buf, data);
mutex_unlock(&uart_rx_mutex);
#else
#ifdef MODULE_UART0
if (uart0_handler_pid) {
uart0_handle_incoming(data);
uart0_notify_thread();
}
#else
ringbuffer_add_one(&rx_buf, data);
mutex_unlock(&uart_rx_mutex);
#endif
}
@ -162,6 +162,8 @@ int _getpid(void)
__attribute__ ((weak))
int _kill_r(struct _reent *r, int pid, int sig)
{
(void) pid;
(void) sig;
r->_errno = ESRCH; /* not implemented yet */
return -1;
}
@ -177,6 +179,8 @@ int _kill_r(struct _reent *r, int pid, int sig)
*/
int _open_r(struct _reent *r, const char *name, int mode)
{
(void) name;
(void) mode;
r->_errno = ENODEV; /* not implemented yet */
return -1;
}
@ -229,13 +233,15 @@ int _read_r(struct _reent *r, int fd, void *buffer, unsigned int count)
*/
int _write_r(struct _reent *r, int fd, const void *data, unsigned int count)
{
int i = 0;
(void) r;
(void) fd;
unsigned int i = 0;
while (i < count) {
uart_write_blocking(STDIO, ((char*)data)[i++]);
}
return i;
return (int)i;
}
/**
@ -248,6 +254,7 @@ int _write_r(struct _reent *r, int fd, const void *data, unsigned int count)
*/
int _close_r(struct _reent *r, int fd)
{
(void) fd;
r->_errno = ENODEV; /* not implemented yet */
return -1;
}
@ -264,6 +271,9 @@ int _close_r(struct _reent *r, int fd)
*/
_off_t _lseek_r(struct _reent *r, int fd, _off_t pos, int dir)
{
(void) fd;
(void) pos;
(void) dir;
r->_errno = ENODEV; /* not implemented yet */
return -1;
}
@ -277,8 +287,10 @@ _off_t _lseek_r(struct _reent *r, int fd, _off_t pos, int dir)
*
* @return TODO
*/
int _fstat_r(struct _reent *r, int fd, struct stat * st)
int _fstat_r(struct _reent *r, int fd, struct stat *st)
{
(void) fd;
(void) st;
r->_errno = ENODEV; /* not implemented yet */
return -1;
}
@ -294,6 +306,8 @@ int _fstat_r(struct _reent *r, int fd, struct stat * st)
*/
int _stat_r(struct _reent *r, char *name, struct stat *st)
{
(void) name;
(void) st;
r->_errno = ENODEV; /* not implemented yet */
return -1;
}
@ -325,8 +339,9 @@ int _isatty_r(struct _reent *r, int fd)
*
* @return TODO
*/
int _unlink_r(struct _reent *r, char* path)
int _unlink_r(struct _reent *r, char *path)
{
(void) path;
r->_errno = ENODEV; /* not implemented yet */
return -1;
}
@ -342,6 +357,8 @@ int _unlink_r(struct _reent *r, char* path)
__attribute__ ((weak))
int _kill(int pid, int sig)
{
(void) pid;
(void) sig;
errno = ESRCH; /* not implemented yet */
return -1;
}