diff options
Diffstat (limited to 'drivers/led/issi/is31fl3218.c')
| -rw-r--r-- | drivers/led/issi/is31fl3218.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/led/issi/is31fl3218.c b/drivers/led/issi/is31fl3218.c index 970e9a0be9..6072f6cecd 100644 --- a/drivers/led/issi/is31fl3218.c +++ b/drivers/led/issi/is31fl3218.c @@ -17,17 +17,17 @@ #include "i2c_master.h" // This is the full 8-bit address -#define ISSI_ADDRESS 0b10101000 +#define IS31FL3218_I2C_ADDRESS 0xA8 // These are the register addresses -#define ISSI_REG_SHUTDOWN 0x00 -#define ISSI_REG_PWM 0x01 -#define ISSI_REG_CONTROL 0x13 -#define ISSI_REG_UPDATE 0x16 -#define ISSI_REG_RESET 0x17 +#define IS31FL3218_REG_SHUTDOWN 0x00 +#define IS31FL3218_REG_PWM 0x01 +#define IS31FL3218_REG_CONTROL 0x13 +#define IS31FL3218_REG_UPDATE 0x16 +#define IS31FL3218_REG_RESET 0x17 // Default timeout if no I2C response -#define ISSI_TIMEOUT 100 +#define IS31FL3218_I2C_TIMEOUT 100 // Reusable buffer for transfers uint8_t g_twi_transfer_buffer[20]; @@ -40,35 +40,35 @@ bool g_pwm_buffer_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_transmit(ISSI_ADDRESS, g_twi_transfer_buffer, 2, ISSI_TIMEOUT); + i2c_transmit(IS31FL3218_I2C_ADDRESS, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT); } void is31fl3218_write_pwm_buffer(uint8_t *pwm_buffer) { - g_twi_transfer_buffer[0] = ISSI_REG_PWM; + g_twi_transfer_buffer[0] = IS31FL3218_REG_PWM; memcpy(g_twi_transfer_buffer + 1, pwm_buffer, 18); - i2c_transmit(ISSI_ADDRESS, g_twi_transfer_buffer, 19, ISSI_TIMEOUT); + i2c_transmit(IS31FL3218_I2C_ADDRESS, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT); } void is31fl3218_init(void) { // In case we ever want to reinitialize (?) - is31fl3218_write_register(ISSI_REG_RESET, 0x00); + is31fl3218_write_register(IS31FL3218_REG_RESET, 0x00); // Turn off software shutdown - is31fl3218_write_register(ISSI_REG_SHUTDOWN, 0x01); + is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01); // Set all PWM values to zero for (uint8_t i = 0; i < 18; i++) { - is31fl3218_write_register(ISSI_REG_PWM + i, 0x00); + is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00); } // Enable all channels for (uint8_t i = 0; i < 3; i++) { - is31fl3218_write_register(ISSI_REG_CONTROL + i, 0b00111111); + is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0b00111111); } // Load PWM registers and LED Control register data - is31fl3218_write_register(ISSI_REG_UPDATE, 0x01); + is31fl3218_write_register(IS31FL3218_REG_UPDATE, 0x01); } void is31fl3218_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) { @@ -91,7 +91,7 @@ void is31fl3218_update_pwm_buffers(void) { if (g_pwm_buffer_update_required) { is31fl3218_write_pwm_buffer(g_pwm_buffer); // Load PWM registers and LED Control register data - is31fl3218_write_register(ISSI_REG_UPDATE, 0x01); + is31fl3218_write_register(IS31FL3218_REG_UPDATE, 0x01); } g_pwm_buffer_update_required = false; } |