diff options
Diffstat (limited to 'drivers/led/issi/is31fl3733-simple.c')
| -rw-r--r-- | drivers/led/issi/is31fl3733-simple.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/led/issi/is31fl3733-simple.c b/drivers/led/issi/is31fl3733-simple.c index 8bdea3827f..805905ebc2 100644 --- a/drivers/led/issi/is31fl3733-simple.c +++ b/drivers/led/issi/is31fl3733-simple.c @@ -63,8 +63,7 @@ # define IS31FL3733_SYNC_4 IS31FL3733_SYNC_NONE #endif -// Transfer buffer for TWITransmitData() -uint8_t g_twi_transfer_buffer[20]; +uint8_t i2c_transfer_buffer[20]; // These buffers match the IS31FL3733 PWM registers. // The control buffers match the page 0 LED On/Off registers. @@ -80,17 +79,17 @@ bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) { // If the transaction fails function returns false. - g_twi_transfer_buffer[0] = reg; - g_twi_transfer_buffer[1] = data; + i2c_transfer_buffer[0] = reg; + i2c_transfer_buffer[1] = data; #if IS31FL3733_I2C_PERSISTENCE > 0 for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) { + if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) { return false; } } #else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) { + if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) { return false; } #endif @@ -106,24 +105,24 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { // Assumes page 1 is already selected. // If any of the transactions fails function returns false. // 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 < IS31FL3733_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 IS31FL3733_I2C_PERSISTENCE > 0 for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) { + if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) { return false; } } #else - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) { + if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) { return false; } #endif |