diff options
Diffstat (limited to 'drivers/led/issi/is31fl3737-simple.c')
| -rw-r--r-- | drivers/led/issi/is31fl3737-simple.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/led/issi/is31fl3737-simple.c b/drivers/led/issi/is31fl3737-simple.c index 930a6c9a90..967a102b48 100644 --- a/drivers/led/issi/is31fl3737-simple.c +++ b/drivers/led/issi/is31fl3737-simple.c @@ -49,8 +49,7 @@ # define IS31FL3737_GLOBAL_CURRENT 0xFF #endif -// Transfer buffer for TWITransmitData() -uint8_t g_twi_transfer_buffer[20]; +uint8_t i2c_transfer_buffer[20]; // These buffers match the IS31FL3737 PWM registers. // The control buffers match the page 0 LED On/Off registers. @@ -66,15 +65,15 @@ uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][IS31FL3737_LED_CONTROL_ bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false}; void is31fl3737_write_register(uint8_t addr, 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 IS31FL3737_I2C_PERSISTENCE > 0 for (uint8_t i = 0; i < IS31FL3737_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3737_I2C_TIMEOUT) == 0) break; + if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3737_I2C_TIMEOUT) == 0) break; } #else - i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3737_I2C_TIMEOUT); + i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3737_I2C_TIMEOUT); #endif } @@ -87,22 +86,22 @@ void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { // assumes page 1 is already selected // transmit PWM registers in 12 transfers of 16 bytes - // g_twi_transfer_buffer[] is 20 bytes + // i2c_transfer_buffer[] is 20 bytes // iterate over the pwm_buffer contents at 16 byte intervals for (int i = 0; i < IS31FL3737_PWM_REGISTER_COUNT; i += 16) { - g_twi_transfer_buffer[0] = i; + i2c_transfer_buffer[0] = i; // copy the data from i to i+15 // device will auto-increment register for data after the first byte // thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer - memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 16); + memcpy(i2c_transfer_buffer + 1, pwm_buffer + i, 16); #if IS31FL3737_I2C_PERSISTENCE > 0 for (uint8_t i = 0; i < IS31FL3737_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3737_I2C_TIMEOUT) == 0) break; + if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3737_I2C_TIMEOUT) == 0) break; } #else - i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3737_I2C_TIMEOUT); + i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3737_I2C_TIMEOUT); #endif } } |