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path: root/drivers/led/issi/is31fl3731-simple.c
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Diffstat (limited to 'drivers/led/issi/is31fl3731-simple.c')
-rw-r--r--drivers/led/issi/is31fl3731-simple.c136
1 files changed, 59 insertions, 77 deletions
diff --git a/drivers/led/issi/is31fl3731-simple.c b/drivers/led/issi/is31fl3731-simple.c
index f7f6980a3b..adf2ccfca0 100644
--- a/drivers/led/issi/is31fl3731-simple.c
+++ b/drivers/led/issi/is31fl3731-simple.c
@@ -18,44 +18,36 @@
*/
#include "is31fl3731-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:
-// 0b1110100 AD <-> GND
-// 0b1110111 AD <-> VCC
-// 0b1110101 AD <-> SCL
-// 0b1110110 AD <-> SDA
-#define ISSI_ADDR_DEFAULT 0x74
+#define IS31FL3731_REG_CONFIG 0x00
+#define IS31FL3731_REG_CONFIG_PICTUREMODE 0x00
+#define IS31FL3731_REG_CONFIG_AUTOPLAYMODE 0x08
+#define IS31FL3731_REG_CONFIG_AUDIOPLAYMODE 0x18
-#define ISSI_REG_CONFIG 0x00
-#define ISSI_REG_CONFIG_PICTUREMODE 0x00
-#define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08
-#define ISSI_REG_CONFIG_AUDIOPLAYMODE 0x18
+#define IS31FL3731_CONF_PICTUREMODE 0x00
+#define IS31FL3731_CONF_AUTOFRAMEMODE 0x04
+#define IS31FL3731_CONF_AUDIOMODE 0x08
-#define ISSI_CONF_PICTUREMODE 0x00
-#define ISSI_CONF_AUTOFRAMEMODE 0x04
-#define ISSI_CONF_AUDIOMODE 0x08
-
-#define ISSI_REG_PICTUREFRAME 0x01
+#define IS31FL3731_REG_PICTUREFRAME 0x01
// Not defined in the datasheet -- See AN for IC
-#define ISSI_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
+#define IS31FL3731_REG_GHOST_IMAGE_PREVENTION 0xC2 // Set bit 4 to enable de-ghosting
-#define ISSI_REG_SHUTDOWN 0x0A
-#define ISSI_REG_AUDIOSYNC 0x06
+#define IS31FL3731_REG_SHUTDOWN 0x0A
+#define IS31FL3731_REG_AUDIOSYNC 0x06
-#define ISSI_COMMANDREGISTER 0xFD
-#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
+#define IS31FL3731_COMMANDREGISTER 0xFD
+#define IS31FL3731_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
-#ifndef ISSI_TIMEOUT
-# define ISSI_TIMEOUT 100
+#ifndef IS31FL3731_I2C_TIMEOUT
+# define IS31FL3731_I2C_TIMEOUT 100
#endif
-#ifndef ISSI_PERSISTENCE
-# define ISSI_PERSISTENCE 0
+#ifndef IS31FL3731_I2C_PERSISTENCE
+# define IS31FL3731_I2C_PERSISTENCE 0
#endif
// Transfer buffer for TWITransmitData()
@@ -66,47 +58,24 @@ uint8_t g_twi_transfer_buffer[20];
// We could optimize this and take out the unused registers from these
// 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[LED_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][18] = {{0}};
-#elif LED_DRIVER_COUNT == 2
-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}};
-#elif LED_DRIVER_COUNT == 4
-uint8_t g_led_control_registers[LED_DRIVER_COUNT][18] = {{0}, {0}, {0}, {0}};
-#endif
-bool g_led_control_registers_update_required[LED_DRIVER_COUNT] = {false};
-
-// This is the bit pattern in the LED control registers
-// (for matrix A, add one to register for matrix B)
-//
-// reg - b7 b6 b5 b4 b3 b2 b1 b0
-// 0x00 - R08,R07,R06,R05,R04,R03,R02,R01
-// 0x02 - G08,G07,G06,G05,G04,G03,G02,R00
-// 0x04 - B08,B07,B06,B05,B04,B03,G01,G00
-// 0x06 - - , - , - , - , - ,B02,B01,B00
-// 0x08 - - , - , - , - , - , - , - , -
-// 0x0A - B17,B16,B15, - , - , - , - , -
-// 0x0C - G17,G16,B14,B13,B12,B11,B10,B09
-// 0x0E - R17,G15,G14,G13,G12,G11,G10,G09
-// 0x10 - R16,R15,R14,R13,R12,R11,R10,R09
+uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][144];
+bool g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
+
+uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {0};
+bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
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) {
+#if IS31FL3731_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
+ if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3731_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, IS31FL3731_I2C_TIMEOUT);
#endif
}
@@ -125,12 +94,12 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// thus this sets registers 0x24-0x33, 0x34-0x43, 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 IS31FL3731_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
+ if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3731_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, IS31FL3731_I2C_TIMEOUT);
#endif
}
}
@@ -142,26 +111,26 @@ void is31fl3731_init(uint8_t addr) {
// then disable software shutdown.
// select "function register" bank
- is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
// enable software shutdown
- is31fl3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
-#ifdef ISSI_3731_DEGHOST // set to enable de-ghosting of the array
- is31fl3731_write_register(addr, ISSI_REG_GHOST_IMAGE_PREVENTION, 0x10);
+ is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x00);
+#ifdef IS31FL3731_DEGHOST // set to enable de-ghosting of the array
+ is31fl3731_write_register(addr, IS31FL3731_REG_GHOST_IMAGE_PREVENTION, 0x10);
#endif
// this delay was copied from other drivers, might not be needed
wait_ms(10);
// picture mode
- is31fl3731_write_register(addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE);
+ is31fl3731_write_register(addr, IS31FL3731_REG_CONFIG, IS31FL3731_REG_CONFIG_PICTUREMODE);
// display frame 0
- is31fl3731_write_register(addr, ISSI_REG_PICTUREFRAME, 0x00);
+ is31fl3731_write_register(addr, IS31FL3731_REG_PICTUREFRAME, 0x00);
// audio sync off
- is31fl3731_write_register(addr, ISSI_REG_AUDIOSYNC, 0x00);
+ is31fl3731_write_register(addr, IS31FL3731_REG_AUDIOSYNC, 0x00);
// select bank 0
- is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
// turn off all LEDs in the LED control register
for (int i = 0x00; i <= 0x11; i++) {
@@ -179,21 +148,21 @@ void is31fl3731_init(uint8_t addr) {
}
// select "function register" bank
- is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, IS31FL3731_BANK_FUNCTIONREG);
// disable software shutdown
- is31fl3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x01);
+ is31fl3731_write_register(addr, IS31FL3731_REG_SHUTDOWN, 0x01);
// select bank 0 and leave it selected.
// 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);
+ is31fl3731_write_register(addr, IS31FL3731_COMMANDREGISTER, 0);
}
void is31fl3731_set_value(int index, uint8_t value) {
- is31_led led;
+ is31fl3731_led_t led;
if (index >= 0 && index < LED_MATRIX_LED_COUNT) {
- memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
+ memcpy_P(&led, (&g_is31fl3731_leds[index]), sizeof(led));
// Subtract 0x24 to get the second index of g_pwm_buffer
@@ -212,8 +181,8 @@ void is31fl3731_set_value_all(uint8_t value) {
}
void is31fl3731_set_led_control_register(uint8_t index, bool value) {
- is31_led led;
- memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
+ is31fl3731_led_t led;
+ memcpy_P(&led, (&g_is31fl3731_leds[index]), sizeof(led));
uint8_t control_register = (led.v - 0x24) / 8;
uint8_t bit_value = (led.v - 0x24) % 8;
@@ -242,3 +211,16 @@ void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
g_led_control_registers_update_required[index] = false;
}
}
+
+void is31fl3731_flush(void) {
+ is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_1, 0);
+#if defined(IS31FL3731_I2C_ADDRESS_2)
+ is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_2, 1);
+# if defined(IS31FL3731_I2C_ADDRESS_3)
+ is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_3, 2);
+# if defined(IS31FL3731_I2C_ADDRESS_4)
+ is31fl3731_update_pwm_buffers(IS31FL3731_I2C_ADDRESS_4, 3);
+# endif
+# endif
+#endif
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-12 21:18:32 +0000