lby/mr-library
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

1。代码优化。

Browse Source
This commit is contained in:
MacRsh
2023-12-27 23:47:57 +08:00
parent f4cfebefe1
commit b2c2ff1532
13 changed files with 78 additions and 92 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
device/soft_i2c.c
View File

@@ -34,6 +34,7 @@ MR_INLINE void soft_i2c_bus_sda_set(struct mr_soft_i2c_bus *soft_i2c_bus, uint8_
MR_INLINE uint8_t soft_i2c_sda_get(struct mr_soft_i2c_bus *soft_i2c_bus)
{
uint8_t value = 0;
mr_dev_ioctl(soft_i2c_bus->desc, MR_CTL_PIN_SET_NUMBER, &soft_i2c_bus->sda_pin);
mr_dev_read(soft_i2c_bus->desc, &value, sizeof(value));
return value;
@@ -185,13 +186,12 @@ static uint8_t mr_soft_i2c_bus_read(struct mr_i2c_bus *i2c_bus, int ack_state)
{
struct mr_soft_i2c_bus *soft_i2c_bus = (struct mr_soft_i2c_bus *)i2c_bus;
uint8_t data = 0;
size_t bits = 0;
soft_i2c_scl_set(soft_i2c_bus, SOFT_I2C_LOW);
mr_delay_us(soft_i2c_bus->delay);
soft_i2c_bus_sda_set(soft_i2c_bus, SOFT_I2C_HIGH);
for (bits = 0; bits < 8; bits++)
for (size_t bits = 0; bits < 8; bits++)
{
mr_delay_us(soft_i2c_bus->delay);
soft_i2c_scl_set(soft_i2c_bus, SOFT_I2C_LOW);
@@ -214,9 +214,8 @@ static uint8_t mr_soft_i2c_bus_read(struct mr_i2c_bus *i2c_bus, int ack_state)
static void 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;
size_t bits = 0;
for (bits = 0; bits < 8; bits++)
for (size_t bits = 0; bits < 8; bits++)
{
if (data & 0x80)
{
@@ -272,6 +271,7 @@ int mr_soft_i2c_bus_register(struct mr_soft_i2c_bus *soft_i2c_bus, const char *n
soft_i2c_bus->sda_pin = sda_pin;
soft_i2c_bus->desc = -1;
/* Register the soft-i2c-bus */
return mr_i2c_bus_register(&soft_i2c_bus->i2c_bus, name, &drv);
}