diff options
Diffstat (limited to 'drivers/led/issi/is31fl3218.c')
| -rw-r--r-- | drivers/led/issi/is31fl3218.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/led/issi/is31fl3218.c b/drivers/led/issi/is31fl3218.c index 39db09d518..9bfdc9c44d 100644 --- a/drivers/led/issi/is31fl3218.c +++ b/drivers/led/issi/is31fl3218.c @@ -28,8 +28,7 @@ # define IS31FL3218_I2C_PERSISTENCE 0 #endif -// Reusable buffer for transfers -uint8_t g_twi_transfer_buffer[20]; +uint8_t i2c_transfer_buffer[20]; // IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining. uint8_t g_pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT]; @@ -39,27 +38,27 @@ uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0}; bool g_led_control_registers_update_required = false; void is31fl3218_write_register(uint8_t reg, uint8_t data) { - g_twi_transfer_buffer[0] = reg; - g_twi_transfer_buffer[1] = data; + i2c_transfer_buffer[0] = reg; + i2c_transfer_buffer[1] = data; #if IS31FL3218_I2C_PERSISTENCE > 0 for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) { - if (i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT) == 0) break; + if (i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT) == 0) break; } #else - i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT); + i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT); #endif } void is31fl3218_write_pwm_buffer(uint8_t *pwm_buffer) { - g_twi_transfer_buffer[0] = IS31FL3218_REG_PWM; - memcpy(g_twi_transfer_buffer + 1, pwm_buffer, 18); + i2c_transfer_buffer[0] = IS31FL3218_REG_PWM; + memcpy(i2c_transfer_buffer + 1, pwm_buffer, 18); #if IS31FL3218_I2C_PERSISTENCE > 0 for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) { - i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT); + i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT); } #else - i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT); + i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT); #endif } |