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https://github.com/qmk/qmk_firmware
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Add support for up to 4 IS31FL3733 drivers (#12342)
Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com>
This commit is contained in:
Donald Kjer
GitHub
parent
81821f0a12
commit
8e96c5a060
5 changed files with 167 additions and 29 deletions
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@ -15,7 +15,20 @@ LED_MATRIX_ENABLE = yes
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LED_MATRIX_DRIVER = IS31FL3731
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```
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Configure the hardware via your `config.h`:
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You can use between 1 and 4 IS31FL3731 IC's. Do not specify `LED_DRIVER_ADDR_<N>` defines for IC's that are not present on your keyboard. You can define the following items in `config.h`:
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| Variable | Description | Default |
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|----------|-------------|---------|
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| `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 |
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| `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 |
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| `LED_DRIVER_COUNT` | (Required) How many LED driver IC's are present | |
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| `DRIVER_LED_TOTAL` | (Required) How many LED lights are present across all drivers | |
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| `LED_DRIVER_ADDR_1` | (Required) Address for the first LED driver | |
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| `LED_DRIVER_ADDR_2` | (Optional) Address for the second LED driver | |
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| `LED_DRIVER_ADDR_3` | (Optional) Address for the third LED driver | |
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| `LED_DRIVER_ADDR_4` | (Optional) Address for the fourth LED driver | |
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Here is an example using 2 drivers.
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```c
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// This is a 7-bit address, that gets left-shifted and bit 0
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@ -25,18 +38,16 @@ Configure the hardware via your `config.h`:
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// 0b1110111 AD <-> VCC
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// 0b1110101 AD <-> SCL
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// 0b1110110 AD <-> SDA
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#define DRIVER_ADDR_1 0b1110100
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#define DRIVER_ADDR_2 0b1110110
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#define LED_DRIVER_ADDR_1 0b1110100
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#define LED_DRIVER_ADDR_2 0b1110110
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#define DRIVER_COUNT 2
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#define DRIVER_1_LED_TOTAL 25
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#define DRIVER_2_LED_TOTAL 24
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#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)
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#define LED_DRIVER_COUNT 2
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#define LED_DRIVER_1_LED_TOTAL 25
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#define LED_DRIVER_2_LED_TOTAL 24
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#define DRIVER_LED_TOTAL (LED_DRIVER_1_LED_TOTAL + LED_DRIVER_2_LED_TOTAL)
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```
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!> Note the parentheses, this is so when `DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)` will give very different results than `rand() % DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL`.
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Currently only 2 drivers are supported, but it would be trivial to support all 4 combinations.
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!> Note the parentheses, this is so when `LED_DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (LED_DRIVER_1_LED_TOTAL + LED_DRIVER_2_LED_TOTAL)` will give very different results than `rand() % LED_DRIVER_1_LED_TOTAL + LED_DRIVER_2_LED_TOTAL`.
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Define these arrays listing all the LEDs in your `<keyboard>.c`:
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@ -15,7 +15,20 @@ RGB_MATRIX_ENABLE = yes
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RGB_MATRIX_DRIVER = IS31FL3731
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```
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Configure the hardware via your `config.h`:
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You can use between 1 and 4 IS31FL3731 IC's. Do not specify `DRIVER_ADDR_<N>` defines for IC's that are not present on your keyboard. You can define the following items in `config.h`:
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| Variable | Description | Default |
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|----------|-------------|---------|
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| `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 |
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| `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 |
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| `DRIVER_COUNT` | (Required) How many RGB driver IC's are present | |
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| `DRIVER_LED_TOTAL` | (Required) How many RGB lights are present across all drivers | |
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| `DRIVER_ADDR_1` | (Required) Address for the first RGB driver | |
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| `DRIVER_ADDR_2` | (Optional) Address for the second RGB driver | |
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| `DRIVER_ADDR_3` | (Optional) Address for the third RGB driver | |
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| `DRIVER_ADDR_4` | (Optional) Address for the fourth RGB driver | |
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Here is an example using 2 drivers.
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```c
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// This is a 7-bit address, that gets left-shifted and bit 0
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@ -36,8 +49,6 @@ Configure the hardware via your `config.h`:
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!> Note the parentheses, this is so when `DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)` will give very different results than `rand() % DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL`.
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Currently only 2 drivers are supported, but it would be trivial to support all 4 combinations.
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Define these arrays listing all the LEDs in your `<keyboard>.c`:
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```c
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@ -53,12 +64,10 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
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}
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```
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Where `Cx_y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3731.pdf) and the header file `drivers/issi/is31fl3731.h`. The `driver` is the index of the driver you defined in your `config.h` (`0` or `1` right now).
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Where `Cx_y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3731.pdf) and the header file `drivers/issi/is31fl3731.h`. The `driver` is the index of the driver you defined in your `config.h` (`0`, `1`, `2`, or `3`).
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---
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### IS31FL3733/IS31FL3737 :id=is31fl3733is31fl3737
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!> For the IS31FL3737, replace all instances of `IS31FL3733` below with `IS31FL3737`.
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### IS31FL3733 :id=is31fl3733
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There is basic support for addressable RGB matrix lighting with the I2C IS31FL3733 RGB controller. To enable it, add this to your `rules.mk`:
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@ -67,7 +76,24 @@ RGB_MATRIX_ENABLE = yes
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RGB_MATRIX_DRIVER = IS31FL3733
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```
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Configure the hardware via your `config.h`:
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You can use between 1 and 4 IS31FL3733 IC's. Do not specify `DRIVER_ADDR_<N>` defines for IC's that are not present on your keyboard. You can define the following items in `config.h`:
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| Variable | Description | Default |
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|----------|-------------|---------|
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| `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 |
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| `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 |
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| `DRIVER_COUNT` | (Required) How many RGB driver IC's are present | |
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| `DRIVER_LED_TOTAL` | (Required) How many RGB lights are present across all drivers | |
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| `DRIVER_ADDR_1` | (Required) Address for the first RGB driver | |
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| `DRIVER_ADDR_2` | (Optional) Address for the second RGB driver | |
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| `DRIVER_ADDR_3` | (Optional) Address for the third RGB driver | |
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| `DRIVER_ADDR_4` | (Optional) Address for the fourth RGB driver | |
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| `DRIVER_SYNC_1` | (Optional) Sync configuration for the first RGB driver | 0 |
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| `DRIVER_SYNC_2` | (Optional) Sync configuration for the second RGB driver | 0 |
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| `DRIVER_SYNC_3` | (Optional) Sync configuration for the third RGB driver | 0 |
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| `DRIVER_SYNC_4` | (Optional) Sync configuration for the fourth RGB driver | 0 |
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Here is an example using 2 drivers.
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```c
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// This is a 7-bit address, that gets left-shifted and bit 0
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@ -81,6 +107,58 @@ Configure the hardware via your `config.h`:
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// ADDR2 represents A3:A2 of the 7-bit address.
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// The result is: 0b101(ADDR2)(ADDR1)
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#define DRIVER_ADDR_1 0b1010000
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#define DRIVER_ADDR_2 0b1010011
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#define DRIVER_COUNT 2
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#define DRIVER_1_LED_TOTAL 58
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#define DRIVER_2_LED_TOTAL 10
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#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)
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```
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!> Note the parentheses, this is so when `DRIVER_LED_TOTAL` is used in code and expanded, the values are added together before any additional math is applied to them. As an example, `rand() % (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)` will give very different results than `rand() % DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL`.
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Currently only 4 drivers are supported, but it would be trivial to support all 8 combinations.
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Define these arrays listing all the LEDs in your `<keyboard>.c`:
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```c
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const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
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/* Refer to IS31 manual for these locations
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* driver
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* | R location
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* | | G location
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* | | | B location
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* | | | | */
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{0, B_1, A_1, C_1},
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....
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}
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```
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Where `X_Y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3733.pdf) and the header file `drivers/issi/is31fl3733.h`. The `driver` is the index of the driver you defined in your `config.h` (`0`, `1`, `2`, or `3` for now).
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---
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### IS31FL3737 :id=is31fl3737
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There is basic support for addressable RGB matrix lighting with the I2C IS31FL3737 RGB controller. To enable it, add this to your `rules.mk`:
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```makefile
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RGB_MATRIX_ENABLE = yes
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RGB_MATRIX_DRIVER = IS31FL3737
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```
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Configure the hardware via your `config.h`:
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```c
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// This is a 7-bit address, that gets left-shifted and bit 0
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// set to 0 for write, 1 for read (as per I2C protocol)
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// The address will vary depending on your wiring:
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// 0000 <-> GND
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// 0101 <-> SCL
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// 1010 <-> SDA
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// 1111 <-> VCC
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// ADDR represents A3:A0 of the 7-bit address.
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// The result is: 0b101(ADDR)
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#define DRIVER_ADDR_1 0b1010000
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#define DRIVER_ADDR_2 0b1010000 // this is here for compliancy reasons.
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#define DRIVER_COUNT 2
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@ -105,7 +183,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
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}
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```
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Where `X_Y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3733.pdf) and the header file `drivers/issi/is31fl3733.h`. The `driver` is the index of the driver you defined in your `config.h` (Only `0` right now).
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Where `X_Y` is the location of the LED in the matrix defined by [the datasheet](https://www.issi.com/WW/pdf/31FL3737.pdf) and the header file `drivers/issi/is31fl3737.h`. The `driver` is the index of the driver you defined in your `config.h` (Only `0` right now).
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---
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@ -68,7 +68,7 @@ uint8_t g_twi_transfer_buffer[20];
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uint8_t g_pwm_buffer[DRIVER_COUNT][192];
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bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
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uint8_t g_led_control_registers[DRIVER_COUNT][24] = {{0}, {0}};
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uint8_t g_led_control_registers[DRIVER_COUNT][24] = {0};
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bool g_led_control_registers_update_required[DRIVER_COUNT] = {false};
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bool IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
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@ -46,16 +46,28 @@ static void init(void) {
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# endif
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# else
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# ifdef LED_DRIVER_ADDR_1
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IS31FL3733_init(LED_DRIVER_ADDR_1, 0);
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# ifndef LED_DRIVER_SYNC_1
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# define LED_DRIVER_SYNC_1 0
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# endif
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IS31FL3733_init(LED_DRIVER_ADDR_1, LED_DRIVER_SYNC_1);
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# endif
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# ifdef LED_DRIVER_ADDR_2
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IS31FL3733_init(LED_DRIVER_ADDR_2, 0);
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# ifndef LED_DRIVER_SYNC_2
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# define LED_DRIVER_SYNC_2 0
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# endif
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IS31FL3733_init(LED_DRIVER_ADDR_2, LED_DRIVER_SYNC_2);
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# endif
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# ifdef LED_DRIVER_ADDR_3
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IS31FL3733_init(LED_DRIVER_ADDR_3, 0);
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# ifndef LED_DRIVER_SYNC_3
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# define LED_DRIVER_SYNC_3 0
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# endif
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IS31FL3733_init(LED_DRIVER_ADDR_3, LED_DRIVER_SYNC_3);
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# endif
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# ifdef LED_DRIVER_ADDR_4
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IS31FL3733_init(LED_DRIVER_ADDR_4, 0);
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# ifndef LED_DRIVER_SYNC_4
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# define LED_DRIVER_SYNC_4 0
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# endif
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IS31FL3733_init(LED_DRIVER_ADDR_4, LED_DRIVER_SYNC_4);
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# endif
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# endif
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@ -133,7 +145,7 @@ const led_matrix_driver_t led_matrix_driver = {
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.set_value = IS31FL3731_set_value,
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.set_value_all = IS31FL3731_set_value_all,
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# else
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.set_value = IS31FL3733_set_value,
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.set_value = IS31FL3733_set_value,
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.set_value_all = IS31FL3733_set_value_all,
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# endif
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};
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@ -41,7 +41,28 @@ static void init(void) {
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IS31FL3731_init(DRIVER_ADDR_4);
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# endif
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# elif defined(IS31FL3733)
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IS31FL3733_init(DRIVER_ADDR_1, 0);
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# ifndef DRIVER_SYNC_1
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# define DRIVER_SYNC_1 0
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# endif
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IS31FL3733_init(DRIVER_ADDR_1, DRIVER_SYNC_1);
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# if defined DRIVER_ADDR_2 && (DRIVER_ADDR_1 != DRIVER_ADDR_2)
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# ifndef DRIVER_SYNC_2
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# define DRIVER_SYNC_2 0
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# endif
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IS31FL3733_init(DRIVER_ADDR_2, DRIVER_SYNC_2);
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# endif
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# ifdef DRIVER_ADDR_3
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# ifndef DRIVER_SYNC_3
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# define DRIVER_SYNC_3 0
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# endif
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IS31FL3733_init(DRIVER_ADDR_3, DRIVER_SYNC_3);
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# endif
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# ifdef DRIVER_ADDR_4
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# ifndef DRIVER_SYNC_4
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# define DRIVER_SYNC_4 0
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# endif
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IS31FL3733_init(DRIVER_ADDR_4, DRIVER_SYNC_4);
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# endif
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# elif defined(IS31FL3737)
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IS31FL3737_init(DRIVER_ADDR_1);
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# else
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@ -74,7 +95,15 @@ static void init(void) {
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# endif
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# elif defined(IS31FL3733)
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IS31FL3733_update_led_control_registers(DRIVER_ADDR_1, 0);
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# ifdef DRIVER_ADDR_2
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IS31FL3733_update_led_control_registers(DRIVER_ADDR_2, 1);
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# endif
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# ifdef DRIVER_ADDR_3
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IS31FL3733_update_led_control_registers(DRIVER_ADDR_3, 2);
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# endif
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# ifdef DRIVER_ADDR_4
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IS31FL3733_update_led_control_registers(DRIVER_ADDR_4, 3);
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# endif
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# elif defined(IS31FL3737)
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IS31FL3737_update_led_control_registers(DRIVER_ADDR_1, DRIVER_ADDR_2);
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# else
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@ -105,13 +134,21 @@ const rgb_matrix_driver_t rgb_matrix_driver = {
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# elif defined(IS31FL3733)
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static void flush(void) {
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IS31FL3733_update_pwm_buffers(DRIVER_ADDR_1, 0);
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# ifdef DRIVER_ADDR_2
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IS31FL3733_update_pwm_buffers(DRIVER_ADDR_2, 1);
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# endif
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# ifdef DRIVER_ADDR_3
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IS31FL3733_update_pwm_buffers(DRIVER_ADDR_3, 2);
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# endif
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# ifdef DRIVER_ADDR_4
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IS31FL3733_update_pwm_buffers(DRIVER_ADDR_4, 3);
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# endif
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}
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const rgb_matrix_driver_t rgb_matrix_driver = {
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.init = init,
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.flush = flush,
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.set_color = IS31FL3733_set_color,
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.init = init,
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.flush = flush,
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.set_color = IS31FL3733_set_color,
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.set_color_all = IS31FL3733_set_color_all,
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};
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# elif defined(IS31FL3737)
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