diff options
Diffstat (limited to 'drivers/issi/is31fl3731-simple.c')
| -rw-r--r-- | drivers/issi/is31fl3731-simple.c | 71 |
1 files changed, 34 insertions, 37 deletions
diff --git a/drivers/issi/is31fl3731-simple.c b/drivers/issi/is31fl3731-simple.c index a7faa9c38c..fad4676def 100644 --- a/drivers/issi/is31fl3731-simple.c +++ b/drivers/issi/is31fl3731-simple.c @@ -17,11 +17,11 @@ */ #ifdef __AVR__ -#include <avr/interrupt.h> -#include <avr/io.h> -#include <util/delay.h> +# include <avr/interrupt.h> +# include <avr/io.h> +# include <util/delay.h> #else -#include "wait.h" +# include "wait.h" #endif #include <stdint.h> @@ -41,7 +41,7 @@ // 0b1110110 AD <-> SDA #define ISSI_ADDR_DEFAULT 0x74 -#define ISSI_REG_CONFIG 0x00 +#define ISSI_REG_CONFIG 0x00 #define ISSI_REG_CONFIG_PICTUREMODE 0x00 #define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08 #define ISSI_REG_CONFIG_AUDIOPLAYMODE 0x18 @@ -50,20 +50,20 @@ #define ISSI_CONF_AUTOFRAMEMODE 0x04 #define ISSI_CONF_AUDIOMODE 0x08 -#define ISSI_REG_PICTUREFRAME 0x01 +#define ISSI_REG_PICTUREFRAME 0x01 #define ISSI_REG_SHUTDOWN 0x0A #define ISSI_REG_AUDIOSYNC 0x06 #define ISSI_COMMANDREGISTER 0xFD -#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine' +#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine' #ifndef ISSI_TIMEOUT - #define ISSI_TIMEOUT 100 +# define ISSI_TIMEOUT 100 #endif #ifndef ISSI_PERSISTENCE - #define ISSI_PERSISTENCE 0 +# define ISSI_PERSISTENCE 0 #endif // Transfer buffer for TWITransmitData() @@ -75,17 +75,17 @@ uint8_t g_twi_transfer_buffer[20]; // buffers and the transfers in IS31FL3731_write_pwm_buffer() but it's // probably not worth the extra complexity. uint8_t g_pwm_buffer[LED_DRIVER_COUNT][144]; -bool g_pwm_buffer_update_required = false; +bool g_pwm_buffer_update_required = false; /* There's probably a better way to init this... */ #if LED_DRIVER_COUNT == 1 - uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}}; +uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}}; #elif LED_DRIVER_COUNT == 2 - uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}}; +uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}}; #elif LED_DRIVER_COUNT == 3 - uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}, {0}}; +uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}, {0}}; #elif LED_DRIVER_COUNT == 4 - uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}, {0}, {0}}; +uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}, {0}, {0}}; #endif bool g_led_control_registers_update_required = false; @@ -103,20 +103,19 @@ bool g_led_control_registers_update_required = false; // 0x0E - R17,G15,G14,G13,G12,G11,G10,G09 // 0x10 - R16,R15,R14,R13,R12,R11,R10,R09 - void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) { g_twi_transfer_buffer[0] = reg; g_twi_transfer_buffer[1] = data; - #if ISSI_PERSISTENCE > 0 - for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) == 0) { - break; - } +#if ISSI_PERSISTENCE > 0 + for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) { + if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) == 0) { + break; } - #else - i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT); - #endif + } +#else + i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT); +#endif } void IS31FL3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { @@ -136,14 +135,13 @@ void IS31FL3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) { g_twi_transfer_buffer[1 + j] = pwm_buffer[i + j]; } - #if ISSI_PERSISTENCE > 0 - for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) { - if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT) == 0) - break; - } - #else - i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT); - #endif +#if ISSI_PERSISTENCE > 0 + for (uint8_t i = 0; i < ISSI_PERSISTENCE; i++) { + if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT) == 0) break; + } +#else + i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT); +#endif } } @@ -196,7 +194,6 @@ void IS31FL3731_init(uint8_t addr) { // most usage after initialization is just writing PWM buffers in bank 0 // as there's not much point in double-buffering IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, 0); - } void IS31FL3731_set_value(int index, uint8_t value) { @@ -205,7 +202,7 @@ void IS31FL3731_set_value(int index, uint8_t value) { // Subtract 0x24 to get the second index of g_pwm_buffer g_pwm_buffer[led.driver][led.v - 0x24] = value; - g_pwm_buffer_update_required = true; + g_pwm_buffer_update_required = true; } } @@ -216,10 +213,10 @@ void IS31FL3731_set_value_all(uint8_t value) { } void IS31FL3731_set_led_control_register(uint8_t index, bool value) { - is31_led led = g_is31_leds[index]; + is31_led led = g_is31_leds[index]; - uint8_t control_register = (led.v - 0x24) / 8; - uint8_t bit_value = (led.v - 0x24) % 8; + uint8_t control_register = (led.v - 0x24) / 8; + uint8_t bit_value = (led.v - 0x24) % 8; if (value) { g_led_control_registers[led.driver][control_register] |= (1 << bit_value); @@ -239,7 +236,7 @@ void IS31FL3731_update_pwm_buffers(uint8_t addr, uint8_t index) { void IS31FL3731_update_led_control_registers(uint8_t addr, uint8_t index) { if (g_led_control_registers_update_required) { - for (int i=0; i<18; i++) { + for (int i = 0; i < 18; i++) { IS31FL3731_write_register(addr, i, g_led_control_registers[index][i]); } } |