adc_gpio_i2c/i2c_bb
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Test: switch to gpio_sys.

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This commit is contained in:
Thomas Klaehn
2019-07-29 12:34:19 +02:00
parent d018e6e6b2
commit f5d62bd9f6
6 changed files with 12 additions and 12 deletions
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8
src/i2c.c
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@@ -23,9 +23,9 @@ int i2c_open(const struct i2c_bb *i2c)
assert(NULL != i2c);
res = gpio_open(i2c->sda);
res |= gpio_direction(i2c->sda, OUT);
res |= gpio_direction(i2c->sda, 1);
res |= gpio_open(i2c->scl);
res |= gpio_direction(i2c->scl, OUT);
res |= gpio_direction(i2c->scl, 1);
res |= gpio_write(i2c->sda, 1);
res |= gpio_write(i2c->scl, 1);
@@ -170,11 +170,11 @@ static uint8_t read_bit(const struct i2c_bb *i2c)
gpio_write(i2c->sda, 1);
usleep(5);
gpio_write(i2c->scl, 1);
gpio_direction(i2c->sda, IN);
gpio_direction(i2c->sda, 0);
usleep(5);
res = gpio_read(i2c->sda);
gpio_write(i2c->scl, 0);
gpio_direction(i2c->sda, OUT);
gpio_direction(i2c->sda, 1);
if(res < 0) {
res = 0;