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1.编码风格修改，重新格式化。

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This commit is contained in:
MacRsh
2024-02-19 13:34:50 +08:00
parent b3722e4e23
commit dfee856535
27 changed files with 597 additions and 908 deletions
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70
device/soft_i2c.c
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@@ -49,8 +49,7 @@ static int soft_i2c_bus_wait_ack(struct mr_i2c_bus *i2c_bus)
soft_i2c_scl_set(soft_i2c_bus, SOFT_I2C_HIGH);
mr_delay_us(soft_i2c_bus->delay);
if (soft_i2c_sda_get(soft_i2c_bus) == SOFT_I2C_LOW)
{
if (soft_i2c_sda_get(soft_i2c_bus) == SOFT_I2C_LOW) {
ret = MR_EOK;
}
soft_i2c_scl_set(soft_i2c_bus, SOFT_I2C_LOW);
@@ -63,11 +62,9 @@ static void soft_i2c_bus_send_ack(struct mr_i2c_bus *i2c_bus, int ack)
struct mr_soft_i2c_bus *soft_i2c_bus = (struct mr_soft_i2c_bus *)i2c_bus;
soft_i2c_scl_set(soft_i2c_bus, SOFT_I2C_LOW);
if (ack == MR_ENABLE)
{
if (ack == MR_ENABLE) {
soft_i2c_bus_sda_set(soft_i2c_bus, SOFT_I2C_LOW);
} else
{
} else {
soft_i2c_bus_sda_set(soft_i2c_bus, SOFT_I2C_HIGH);
}
@@ -78,17 +75,18 @@ static void soft_i2c_bus_send_ack(struct mr_i2c_bus *i2c_bus, int ack)
soft_i2c_bus_sda_set(soft_i2c_bus, SOFT_I2C_HIGH);
}
static int mr_soft_i2c_bus_configure(struct mr_i2c_bus *i2c_bus, struct mr_i2c_config *config, int addr, int addr_bits)
static int mr_soft_i2c_bus_configure(struct mr_i2c_bus *i2c_bus,
struct mr_i2c_config *config,
int addr,
int addr_bits)
{
struct mr_soft_i2c_bus *soft_i2c_bus = (struct mr_soft_i2c_bus *)i2c_bus;
int state = (config->baud_rate != 0) ? MR_ENABLE : MR_DISABLE;
int mode = (state == MR_ENABLE) ? MR_PIN_MODE_OUTPUT_OD : MR_PIN_MODE_NONE;
if (state == MR_ENABLE)
{
if (state == MR_ENABLE) {
/* Soft I2C only support host mode */
if (config->host_slave != MR_I2C_HOST)
{
if (config->host_slave != MR_I2C_HOST) {
return MR_ENOTSUP;
}
@@ -98,13 +96,11 @@ static int mr_soft_i2c_bus_configure(struct mr_i2c_bus *i2c_bus, struct mr_i2c_c
/* Configure SCL and SDA */
int ret = _mr_fast_pin_mode(soft_i2c_bus->scl_pin, mode);
if (ret < 0)
{
if (ret < 0) {
return ret;
}
ret = _mr_fast_pin_mode(soft_i2c_bus->sda_pin, mode);
if (ret < 0)
{
if (ret < 0) {
return ret;
}
return MR_EOK;
@@ -127,18 +123,15 @@ static int mr_soft_i2c_bus_write(struct mr_i2c_bus *i2c_bus, uint8_t data);
static int mr_soft_i2c_bus_send_addr(struct mr_i2c_bus *i2c_bus, int addr, int addr_bits)
{
if (addr_bits == MR_I2C_ADDR_BITS_10)
{
if (addr_bits == MR_I2C_ADDR_BITS_10) {
int ret = mr_soft_i2c_bus_write(i2c_bus, addr >> 8);
if (ret < 0)
{
if (ret < 0) {
return ret;
}
}
int ret = mr_soft_i2c_bus_write(i2c_bus, addr);
if (ret < 0)
{
if (ret < 0) {
return ret;
}
return MR_EOK;
@@ -166,15 +159,13 @@ static int mr_soft_i2c_bus_read(struct mr_i2c_bus *i2c_bus, uint8_t *data, int a
mr_delay_us(soft_i2c_bus->delay);
soft_i2c_bus_sda_set(soft_i2c_bus, SOFT_I2C_HIGH);
for (size_t bits = 0; bits < (sizeof(*data) * 8); bits++)
{
for (size_t bits = 0; bits < (sizeof(*data) * 8); bits++) {
soft_i2c_scl_set(soft_i2c_bus, SOFT_I2C_LOW);
mr_delay_us(soft_i2c_bus->delay);
soft_i2c_scl_set(soft_i2c_bus, SOFT_I2C_HIGH);
mr_delay_us(soft_i2c_bus->delay);
*data <<= 1;
if (soft_i2c_sda_get(soft_i2c_bus) == SOFT_I2C_HIGH)
{
if (soft_i2c_sda_get(soft_i2c_bus) == SOFT_I2C_HIGH) {
*data |= 0x01;
}
}
@@ -189,8 +180,7 @@ static int mr_soft_i2c_bus_write(struct mr_i2c_bus *i2c_bus, uint8_t data)
{
struct mr_soft_i2c_bus *soft_i2c_bus = (struct mr_soft_i2c_bus *)i2c_bus;
for (size_t bits = 0; bits < 8; bits++)
{
for (size_t bits = 0; bits < 8; bits++) {
soft_i2c_bus_sda_set(soft_i2c_bus, (data & 0x80) ? SOFT_I2C_HIGH : SOFT_I2C_LOW);
data <<= 1;
@@ -212,22 +202,18 @@ static int mr_soft_i2c_bus_write(struct mr_i2c_bus *i2c_bus, uint8_t data)
*
* @return 0 on success, otherwise an error code.
*/
int mr_soft_i2c_bus_register(struct mr_soft_i2c_bus *soft_i2c_bus, const char *path, int scl_pin, int sda_pin)
int mr_soft_i2c_bus_register(struct mr_soft_i2c_bus *soft_i2c_bus,
const char *path,
int scl_pin,
int sda_pin)
{
static struct mr_i2c_bus_ops ops =
{
mr_soft_i2c_bus_configure,
mr_soft_i2c_bus_start,
mr_soft_i2c_bus_send_addr,
mr_soft_i2c_bus_stop,
mr_soft_i2c_bus_read,
mr_soft_i2c_bus_write
};
static struct mr_drv drv =
{
&ops,
MR_NULL
};
static struct mr_i2c_bus_ops ops = {mr_soft_i2c_bus_configure,
mr_soft_i2c_bus_start,
mr_soft_i2c_bus_send_addr,
mr_soft_i2c_bus_stop,
mr_soft_i2c_bus_read,
mr_soft_i2c_bus_write};
static struct mr_drv drv = {&ops, MR_NULL};
MR_ASSERT(soft_i2c_bus != MR_NULL);
MR_ASSERT(path != MR_NULL);