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path: root/drivers/led/issi/is31fl3737.c
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Diffstat (limited to 'drivers/led/issi/is31fl3737.c')
-rw-r--r--drivers/led/issi/is31fl3737.c146
1 files changed, 74 insertions, 72 deletions
diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c
index 947c0a1d1a..d769bb9707 100644
--- a/drivers/led/issi/is31fl3737.c
+++ b/drivers/led/issi/is31fl3737.c
@@ -18,59 +18,48 @@
*/
#include "is31fl3737.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 IS31FL3737_COMMANDREGISTER 0xFD
+#define IS31FL3737_COMMANDREGISTER_WRITELOCK 0xFE
+#define IS31FL3737_INTERRUPTMASKREGISTER 0xF0
+#define IS31FL3737_INTERRUPTSTATUSREGISTER 0xF1
+
+#define IS31FL3737_PAGE_LEDCONTROL 0x00 // PG0
+#define IS31FL3737_PAGE_PWM 0x01 // PG1
+#define IS31FL3737_PAGE_AUTOBREATH 0x02 // PG2
+#define IS31FL3737_PAGE_FUNCTION 0x03 // PG3
+
+#define IS31FL3737_REG_CONFIGURATION 0x00 // PG3
+#define IS31FL3737_REG_GLOBALCURRENT 0x01 // PG3
+#define IS31FL3737_REG_RESET 0x11 // PG3
+#define IS31FL3737_REG_SWPULLUP 0x0F // PG3
+#define IS31FL3737_REG_CSPULLUP 0x10 // PG3
+
+#ifndef IS31FL3737_I2C_TIMEOUT
+# define IS31FL3737_I2C_TIMEOUT 100
#endif
-#ifndef ISSI_PERSISTENCE
-# define ISSI_PERSISTENCE 0
+#ifndef IS31FL3737_I2C_PERSISTENCE
+# define IS31FL3737_I2C_PERSISTENCE 0
#endif
-#ifndef ISSI_PWM_FREQUENCY
-# define ISSI_PWM_FREQUENCY 0b000 // PFS - IS31FL3737B only
+#ifndef IS31FL3737_PWM_FREQUENCY
+# define IS31FL3737_PWM_FREQUENCY IS31FL3737_PWM_FREQUENCY_8K4_HZ // PFS - IS31FL3737B only
#endif
-#ifndef ISSI_SWPULLUP
-# define ISSI_SWPULLUP PUR_0R
+#ifndef IS31FL3737_SWPULLUP
+# define IS31FL3737_SWPULLUP IS31FL3737_PUR_0R
#endif
-#ifndef ISSI_CSPULLUP
-# define ISSI_CSPULLUP PUR_0R
+#ifndef IS31FL3737_CSPULLUP
+# define IS31FL3737_CSPULLUP IS31FL3737_PUR_0R
#endif
-#ifndef ISSI_GLOBALCURRENT
-# define ISSI_GLOBALCURRENT 0xFF
+#ifndef IS31FL3737_GLOBALCURRENT
+# define IS31FL3737_GLOBALCURRENT 0xFF
#endif
// Transfer buffer for TWITransmitData()
@@ -83,22 +72,22 @@ uint8_t g_twi_transfer_buffer[20];
// buffers and the transfers in is31fl3737_write_pwm_buffer() but it's
// probably not worth the extra complexity.
-uint8_t g_pwm_buffer[DRIVER_COUNT][192];
-bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
+uint8_t g_pwm_buffer[IS31FL3737_DRIVER_COUNT][192];
+bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false};
-uint8_t g_led_control_registers[DRIVER_COUNT][24] = {0};
-bool g_led_control_registers_update_required[DRIVER_COUNT] = {false};
+uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][24] = {0};
+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;
-#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 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;
}
#else
- i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, ISSI_TIMEOUT);
+ i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3737_I2C_TIMEOUT);
#endif
}
@@ -116,12 +105,12 @@ void is31fl3737_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) break;
+#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;
}
#else
- i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, ISSI_TIMEOUT);
+ i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3737_I2C_TIMEOUT);
#endif
}
}
@@ -133,20 +122,20 @@ void is31fl3737_init(uint8_t addr) {
// then disable software shutdown.
// Unlock the command register.
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
// Select PG0
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
// Turn off all LEDs.
for (int i = 0x00; i <= 0x17; i++) {
is31fl3737_write_register(addr, i, 0x00);
}
// Unlock the command register.
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
// Select PG1
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_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++) {
@@ -154,27 +143,27 @@ void is31fl3737_init(uint8_t addr) {
}
// Unlock the command register.
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
// Select PG3
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_FUNCTION);
// Set de-ghost pull-up resistors (SWx)
- is31fl3737_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP);
+ is31fl3737_write_register(addr, IS31FL3737_REG_SWPULLUP, IS31FL3737_SWPULLUP);
// Set de-ghost pull-down resistors (CSx)
- is31fl3737_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP);
+ is31fl3737_write_register(addr, IS31FL3737_REG_CSPULLUP, IS31FL3737_CSPULLUP);
// Set global current to maximum.
- is31fl3737_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);
+ is31fl3737_write_register(addr, IS31FL3737_REG_GLOBALCURRENT, IS31FL3737_GLOBALCURRENT);
// Disable software shutdown.
- is31fl3737_write_register(addr, ISSI_REG_CONFIGURATION, ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+ is31fl3737_write_register(addr, IS31FL3737_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
}
void is31fl3737_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
- is31_led led;
+ is31fl3737_led_t led;
if (index >= 0 && index < RGB_MATRIX_LED_COUNT) {
- memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
+ memcpy_P(&led, (&g_is31fl3737_leds[index]), sizeof(led));
if (g_pwm_buffer[led.driver][led.r] == red && g_pwm_buffer[led.driver][led.g] == green && g_pwm_buffer[led.driver][led.b] == blue) {
return;
@@ -193,8 +182,8 @@ void is31fl3737_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
}
void is31fl3737_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
- is31_led led;
- memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
+ is31fl3737_led_t led;
+ memcpy_P(&led, (&g_is31fl3737_leds[index]), sizeof(led));
uint8_t control_register_r = led.r / 8;
uint8_t control_register_g = led.g / 8;
@@ -225,22 +214,35 @@ void is31fl3737_set_led_control_register(uint8_t index, bool red, bool green, bo
void is31fl3737_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
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
is31fl3737_write_pwm_buffer(addr, g_pwm_buffer[index]);
+ g_pwm_buffer_update_required[index] = false;
}
- g_pwm_buffer_update_required[index] = false;
}
void is31fl3737_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
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- is31fl3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
for (int i = 0; i < 24; i++) {
is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
}
+ g_led_control_registers_update_required[index] = false;
}
- g_led_control_registers_update_required[index] = false;
+}
+
+void is31fl3737_flush(void) {
+ is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_1, 0);
+#if defined(IS31FL3737_I2C_ADDRESS_2)
+ is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_2, 1);
+# if defined(IS31FL3737_I2C_ADDRESS_3)
+ is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_3, 2);
+# if defined(IS31FL3737_I2C_ADDRESS_4)
+ is31fl3737_update_pwm_buffers(IS31FL3737_I2C_ADDRESS_4, 3);
+# endif
+# endif
+#endif
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 20:47:56 +0000