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1.代码优化。

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MacRsh
2023-12-31 16:32:01 +08:00
parent f2b55fd7b1
commit d6292586ec
14 changed files with 31 additions and 35 deletions
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11
device/pwm.c
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@@ -100,8 +100,7 @@ static int pwm_calculate(struct mr_pwm *pwm, uint32_t freq)
}
/* Optimize the prescaler and period */
uint32_t divisor = 0;
for (divisor = 9; divisor > 1; divisor--)
for (uint32_t divisor = 9; divisor > 1; divisor--)
{
/* Check if reload value can be divided by current divisor */
while ((psc_best % divisor) == 0)
@@ -152,11 +151,11 @@ static int mr_pwm_close(struct mr_dev *dev)
struct mr_pwm_ops *ops = (struct mr_pwm_ops *)dev->drv->ops;
/* Disable all channels */
for (int i = 0; i < 32; i++)
for (size_t i = 0; i < 32; i++)
{
if (MR_BIT_IS_SET(pwm->channel, (1 << i)) == MR_ENABLE)
{
ops->channel_configure(pwm, i, MR_DISABLE, MR_PWM_POLARITY_NORMAL);
ops->channel_configure(pwm, (int)i, MR_DISABLE, MR_PWM_POLARITY_NORMAL);
MR_BIT_CLR(pwm->channel, (1 << i));
}
}
@@ -169,7 +168,7 @@ static ssize_t mr_pwm_read(struct mr_dev *dev, int off, void *buf, size_t size,
struct mr_pwm *pwm = (struct mr_pwm *)dev;
struct mr_pwm_ops *ops = (struct mr_pwm_ops *)dev->drv->ops;
uint32_t *rd_buf = (uint32_t *)buf;
ssize_t rd_size = 0;
ssize_t rd_size;
/* Check if the channel is enabled */
if (MR_BIT_IS_SET(pwm->channel, (1 << off)) == MR_DISABLE)
@@ -191,7 +190,7 @@ static ssize_t mr_pwm_write(struct mr_dev *dev, int off, const void *buf, size_t
struct mr_pwm *pwm = (struct mr_pwm *)dev;
struct mr_pwm_ops *ops = (struct mr_pwm_ops *)dev->drv->ops;
uint32_t *wr_buf = (uint32_t *)buf;
ssize_t wr_size = 0;
ssize_t wr_size;
/* Check if the channel is enabled */
if (MR_BIT_IS_SET(pwm->channel, (1 << off)) == MR_DISABLE)