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-rw-r--r--drivers/gpio/pca9555.c72
1 files changed, 36 insertions, 36 deletions
diff --git a/drivers/gpio/pca9555.c b/drivers/gpio/pca9555.c
index b0e542d8d..496bbca04 100644
--- a/drivers/gpio/pca9555.c
+++ b/drivers/gpio/pca9555.c
@@ -22,57 +22,57 @@
#define TIMEOUT 100
enum {
- CMD_INPUT_0 = 0,
- CMD_INPUT_1,
- CMD_OUTPUT_0,
- CMD_OUTPUT_1,
- CMD_INVERSION_0,
- CMD_INVERSION_1,
- CMD_CONFIG_0,
- CMD_CONFIG_1,
+ CMD_INPUT_0 = 0,
+ CMD_INPUT_1,
+ CMD_OUTPUT_0,
+ CMD_OUTPUT_1,
+ CMD_INVERSION_0,
+ CMD_INVERSION_1,
+ CMD_CONFIG_0,
+ CMD_CONFIG_1,
};
void pca9555_init(uint8_t slave_addr) {
- static uint8_t s_init = 0;
- if (!s_init) {
- i2c_init();
+ static uint8_t s_init = 0;
+ if (!s_init) {
+ i2c_init();
- s_init = 1;
- }
+ s_init = 1;
+ }
- // TODO: could check device connected
- // i2c_start(SLAVE_TO_ADDR(slave) | I2C_WRITE);
- // i2c_stop();
+ // TODO: could check device connected
+ // i2c_start(SLAVE_TO_ADDR(slave) | I2C_WRITE);
+ // i2c_stop();
}
void pca9555_set_config(uint8_t slave_addr, uint8_t port, uint8_t conf) {
- uint8_t addr = SLAVE_TO_ADDR(slave_addr);
- uint8_t cmd = port ? CMD_CONFIG_1 : CMD_CONFIG_0;
+ uint8_t addr = SLAVE_TO_ADDR(slave_addr);
+ uint8_t cmd = port ? CMD_CONFIG_1 : CMD_CONFIG_0;
- i2c_status_t ret = i2c_writeReg(addr, cmd, &conf, sizeof(conf), TIMEOUT);
- if (ret != I2C_STATUS_SUCCESS) {
- print("pca9555_set_config::FAILED\n");
- }
+ i2c_status_t ret = i2c_writeReg(addr, cmd, &conf, sizeof(conf), TIMEOUT);
+ if (ret != I2C_STATUS_SUCCESS) {
+ print("pca9555_set_config::FAILED\n");
+ }
}
void pca9555_set_output(uint8_t slave_addr, uint8_t port, uint8_t conf) {
- uint8_t addr = SLAVE_TO_ADDR(slave_addr);
- uint8_t cmd = port ? CMD_OUTPUT_1 : CMD_OUTPUT_0;
+ uint8_t addr = SLAVE_TO_ADDR(slave_addr);
+ uint8_t cmd = port ? CMD_OUTPUT_1 : CMD_OUTPUT_0;
- i2c_status_t ret = i2c_writeReg(addr, cmd, &conf, sizeof(conf), TIMEOUT);
- if (ret != I2C_STATUS_SUCCESS) {
- print("pca9555_set_output::FAILED\n");
- }
+ i2c_status_t ret = i2c_writeReg(addr, cmd, &conf, sizeof(conf), TIMEOUT);
+ if (ret != I2C_STATUS_SUCCESS) {
+ print("pca9555_set_output::FAILED\n");
+ }
}
uint8_t pca9555_readPins(uint8_t slave_addr, uint8_t port) {
- uint8_t addr = SLAVE_TO_ADDR(slave_addr);
- uint8_t cmd = port ? CMD_INPUT_1 : CMD_INPUT_0;
+ uint8_t addr = SLAVE_TO_ADDR(slave_addr);
+ uint8_t cmd = port ? CMD_INPUT_1 : CMD_INPUT_0;
- uint8_t data = 0;
- i2c_status_t ret = i2c_readReg(addr, cmd, &data, sizeof(data), TIMEOUT);
- if (ret != I2C_STATUS_SUCCESS) {
- print("pca9555_readPins::FAILED\n");
- }
- return data;
+ uint8_t data = 0;
+ i2c_status_t ret = i2c_readReg(addr, cmd, &data, sizeof(data), TIMEOUT);
+ if (ret != I2C_STATUS_SUCCESS) {
+ print("pca9555_readPins::FAILED\n");
+ }
+ return data;
}