diff options
Diffstat (limited to 'drivers/led/issi/is31fl3733-simple.c')
| -rw-r--r-- | drivers/led/issi/is31fl3733-simple.c | 135 | 
1 files changed, 62 insertions, 73 deletions
| diff --git a/drivers/led/issi/is31fl3733-simple.c b/drivers/led/issi/is31fl3733-simple.c index f9a0a271a8..514d9e366d 100644 --- a/drivers/led/issi/is31fl3733-simple.c +++ b/drivers/led/issi/is31fl3733-simple.c @@ -19,59 +19,48 @@   */  #include "is31fl3733-simple.h" +#include <string.h>  #include "i2c_master.h"  #include "wait.h" -// This is a 7-bit address, that gets left-shifted and bit 0 -// set to 0 for write, 1 for read (as per I2C protocol) -// The address will vary depending on your wiring: -// 00 <-> GND -// 01 <-> SCL -// 10 <-> SDA -// 11 <-> VCC -// ADDR1 represents A1:A0 of the 7-bit address. -// ADDR2 represents A3:A2 of the 7-bit address. -// The result is: 0b101(ADDR2)(ADDR1) -#define ISSI_ADDR_DEFAULT 0x50 - -#define ISSI_COMMANDREGISTER 0xFD -#define ISSI_COMMANDREGISTER_WRITELOCK 0xFE -#define ISSI_INTERRUPTMASKREGISTER 0xF0 -#define ISSI_INTERRUPTSTATUSREGISTER 0xF1 - -#define ISSI_PAGE_LEDCONTROL 0x00 // PG0 -#define ISSI_PAGE_PWM 0x01        // PG1 -#define ISSI_PAGE_AUTOBREATH 0x02 // PG2 -#define ISSI_PAGE_FUNCTION 0x03   // PG3 - -#define ISSI_REG_CONFIGURATION 0x00 // PG3 -#define ISSI_REG_GLOBALCURRENT 0x01 // PG3 -#define ISSI_REG_RESET 0x11         // PG3 -#define ISSI_REG_SWPULLUP 0x0F      // PG3 -#define ISSI_REG_CSPULLUP 0x10      // PG3 - -#ifndef ISSI_TIMEOUT -#    define ISSI_TIMEOUT 100 +#define IS31FL3733_COMMANDREGISTER 0xFD +#define IS31FL3733_COMMANDREGISTER_WRITELOCK 0xFE +#define IS31FL3733_INTERRUPTMASKREGISTER 0xF0 +#define IS31FL3733_INTERRUPTSTATUSREGISTER 0xF1 + +#define IS31FL3733_PAGE_LEDCONTROL 0x00 // PG0 +#define IS31FL3733_PAGE_PWM 0x01        // PG1 +#define IS31FL3733_PAGE_AUTOBREATH 0x02 // PG2 +#define IS31FL3733_PAGE_FUNCTION 0x03   // PG3 + +#define IS31FL3733_REG_CONFIGURATION 0x00 // PG3 +#define IS31FL3733_REG_GLOBALCURRENT 0x01 // PG3 +#define IS31FL3733_REG_RESET 0x11         // PG3 +#define IS31FL3733_REG_SWPULLUP 0x0F      // PG3 +#define IS31FL3733_REG_CSPULLUP 0x10      // PG3 + +#ifndef IS31FL3733_I2C_TIMEOUT +#    define IS31FL3733_I2C_TIMEOUT 100  #endif -#ifndef ISSI_PERSISTENCE -#    define ISSI_PERSISTENCE 0 +#ifndef IS31FL3733_I2C_PERSISTENCE +#    define IS31FL3733_I2C_PERSISTENCE 0  #endif -#ifndef ISSI_PWM_FREQUENCY -#    define ISSI_PWM_FREQUENCY 0b000 // PFS - IS31FL3733B only +#ifndef IS31FL3733_PWM_FREQUENCY +#    define IS31FL3733_PWM_FREQUENCY IS31FL3733_PWM_FREQUENCY_8K4_HZ // PFS - IS31FL3733B only  #endif -#ifndef ISSI_SWPULLUP -#    define ISSI_SWPULLUP PUR_0R +#ifndef IS31FL3733_SWPULLUP +#    define IS31FL3733_SWPULLUP IS31FL3733_PUR_0R  #endif -#ifndef ISSI_CSPULLUP -#    define ISSI_CSPULLUP PUR_0R +#ifndef IS31FL3733_CSPULLUP +#    define IS31FL3733_CSPULLUP IS31FL3733_PUR_0R  #endif -#ifndef ISSI_GLOBALCURRENT -#    define ISSI_GLOBALCURRENT 0xFF +#ifndef IS31FL3733_GLOBALCURRENT +#    define IS31FL3733_GLOBALCURRENT 0xFF  #endif  // Transfer buffer for TWITransmitData() @@ -83,34 +72,34 @@ uint8_t g_twi_transfer_buffer[20];  // We could optimize this and take out the unused registers from these  // buffers and the transfers in is31fl3733_write_pwm_buffer() but it's  // probably not worth the extra complexity. -uint8_t g_pwm_buffer[LED_DRIVER_COUNT][192]; -bool    g_pwm_buffer_update_required[LED_DRIVER_COUNT] = {false}; +uint8_t g_pwm_buffer[IS31FL3733_DRIVER_COUNT][192]; +bool    g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};  /* There's probably a better way to init this... */ -#if LED_DRIVER_COUNT == 1 -uint8_t g_led_control_registers[LED_DRIVER_COUNT][24] = {{0}}; -#elif LED_DRIVER_COUNT == 2 -uint8_t g_led_control_registers[LED_DRIVER_COUNT][24] = {{0}, {0}}; -#elif LED_DRIVER_COUNT == 3 -uint8_t g_led_control_registers[LED_DRIVER_COUNT][24] = {{0}, {0}, {0}}; -#elif LED_DRIVER_COUNT == 4 -uint8_t g_led_control_registers[LED_DRIVER_COUNT][24] = {{0}, {0}, {0}, {0}}; +#if IS31FL3733_DRIVER_COUNT == 1 +uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}}; +#elif IS31FL3733_DRIVER_COUNT == 2 +uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}, {0}}; +#elif IS31FL3733_DRIVER_COUNT == 3 +uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}, {0}, {0}}; +#elif IS31FL3733_DRIVER_COUNT == 4 +uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}, {0}, {0}, {0}};  #endif -bool g_led_control_registers_update_required[LED_DRIVER_COUNT] = {false}; +bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};  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; -#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) { +#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) {              return false;          }      }  #else -    if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT) != 0) { +    if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) {          return false;      }  #endif @@ -131,14 +120,14 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {          // Thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer.          memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 16); -#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) { +#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) {                  return false;              }          }  #else -        if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT) != 0) { +        if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) {              return false;          }  #endif @@ -154,20 +143,20 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {      // Sync is passed so set it according to the datasheet.      // Unlock the command register. -    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); +    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);      // Select PG0 -    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL); +    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);      // Turn off all LEDs.      for (int i = 0x00; i <= 0x17; i++) {          is31fl3733_write_register(addr, i, 0x00);      }      // Unlock the command register. -    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); +    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);      // Select PG1 -    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM); +    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);      // Set PWM on all LEDs to 0      // No need to setup Breath registers to PWM as that is the default.      for (int i = 0x00; i <= 0xBF; i++) { @@ -175,18 +164,18 @@ void is31fl3733_init(uint8_t addr, uint8_t sync) {      }      // Unlock the command register. -    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); +    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5);      // Select PG3 -    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION); +    is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_FUNCTION);      // Set de-ghost pull-up resistors (SWx) -    is31fl3733_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP); +    is31fl3733_write_register(addr, IS31FL3733_REG_SWPULLUP, IS31FL3733_SWPULLUP);      // Set de-ghost pull-down resistors (CSx) -    is31fl3733_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP); +    is31fl3733_write_register(addr, IS31FL3733_REG_CSPULLUP, IS31FL3733_CSPULLUP);      // Set global current to maximum. -    is31fl3733_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT); +    is31fl3733_write_register(addr, IS31FL3733_REG_GLOBALCURRENT, IS31FL3733_GLOBALCURRENT);      // Disable software shutdown. -    is31fl3733_write_register(addr, ISSI_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01); +    is31fl3733_write_register(addr, IS31FL3733_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((IS31FL3733_PWM_FREQUENCY & 0b111) << 3) | 0x01);      // Wait 10ms to ensure the device has woken up.      wait_ms(10); @@ -230,8 +219,8 @@ void is31fl3733_set_led_control_register(uint8_t index, bool value) {  void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {      if (g_pwm_buffer_update_required[index]) {          // Firstly we need to unlock the command register and select PG1. -        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); -        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM); +        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5); +        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_PWM);          // If any of the transactions fail we risk writing dirty PG0,          // refresh page 0 just in case. @@ -245,8 +234,8 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {  void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {      if (g_led_control_registers_update_required[index]) {          // Firstly we need to unlock the command register and select PG0 -        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); -        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL); +        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER_WRITELOCK, 0xC5); +        is31fl3733_write_register(addr, IS31FL3733_COMMANDREGISTER, IS31FL3733_PAGE_LEDCONTROL);          for (int i = 0; i < 24; i++) {              is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);          } | 
