diff options
| -rw-r--r-- | docs/feature_rgb_matrix.md | 25 | ||||
| -rw-r--r-- | drivers/issi/is31fl3737.c | 43 | ||||
| -rw-r--r-- | quantum/rgb_matrix/rgb_matrix_drivers.c | 15 |
3 files changed, 54 insertions, 29 deletions
diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md index be763ee025..f3e25f2f13 100644 --- a/docs/feature_rgb_matrix.md +++ b/docs/feature_rgb_matrix.md @@ -145,9 +145,22 @@ There is basic support for addressable RGB matrix lighting with the I2C IS31FL37 RGB_MATRIX_ENABLE = yes RGB_MATRIX_DRIVER = IS31FL3737 ``` +You can use between 1 and 2 IS31FL3737 IC's. Do not specify `DRIVER_ADDR_2` define for second IC if not present on your keyboard. Configure the hardware via your `config.h`: +| Variable | Description | Default | +|----------|-------------|---------| +| `ISSI_TIMEOUT` | (Optional) How long to wait for i2c messages, in milliseconds | 100 | +| `ISSI_PERSISTENCE` | (Optional) Retry failed messages this many times | 0 | +| `DRIVER_COUNT` | (Required) How many RGB driver IC's are present | | +| `DRIVER_LED_TOTAL` | (Required) How many RGB lights are present across all drivers | | +| `DRIVER_ADDR_1` | (Required) Address for the first RGB driver | | +| `DRIVER_ADDR_2` | (Optional) Address for the second RGB driver | | + + +Here is an example using 2 drivers. + ```c // 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) @@ -159,14 +172,16 @@ Configure the hardware via your `config.h`: // ADDR represents A3:A0 of the 7-bit address. // The result is: 0b101(ADDR) #define DRIVER_ADDR_1 0b1010000 -#define DRIVER_ADDR_2 0b1010000 // this is here for compliancy reasons. +#define DRIVER_ADDR_2 0b1010001 #define DRIVER_COUNT 2 -#define DRIVER_1_LED_TOTAL 64 -#define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL +#define DRIVER_1_LED_TOTAL 30 +#define DRIVER_2_LED_TOTAL 36 +#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL) ``` +!> 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`. -Currently only a single drivers is supported, but it would be trivial to support all 4 combinations. For now define `DRIVER_ADDR_2` as `DRIVER_ADDR_1` +Currently only 2 drivers are supported, but it would be trivial to support all 4 combinations. Define these arrays listing all the LEDs in your `<keyboard>.c`: @@ -183,7 +198,7 @@ const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL] = { } ``` -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). +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`, `1` for now). --- diff --git a/drivers/issi/is31fl3737.c b/drivers/issi/is31fl3737.c index e40bfa0d79..30906b4840 100644 --- a/drivers/issi/is31fl3737.c +++ b/drivers/issi/is31fl3737.c @@ -66,11 +66,12 @@ uint8_t g_twi_transfer_buffer[20]; // We could optimize this and take out the unused registers from these // 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 = false; +bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false}; -uint8_t g_led_control_registers[DRIVER_COUNT][24] = {{0}}; -bool g_led_control_registers_update_required = false; +uint8_t g_led_control_registers[DRIVER_COUNT][24] = {0}; +bool g_led_control_registers_update_required[DRIVER_COUNT] = {false}; void IS31FL3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) { g_twi_transfer_buffer[0] = reg; @@ -158,10 +159,10 @@ void IS31FL3737_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) { is31_led led; memcpy_P(&led, (&g_is31_leds[index]), sizeof(led)); - g_pwm_buffer[led.driver][led.r] = red; - g_pwm_buffer[led.driver][led.g] = green; - g_pwm_buffer[led.driver][led.b] = blue; - g_pwm_buffer_update_required = true; + g_pwm_buffer[led.driver][led.r] = red; + g_pwm_buffer[led.driver][led.g] = green; + g_pwm_buffer[led.driver][led.b] = blue; + g_pwm_buffer_update_required[led.driver] = true; } } @@ -199,30 +200,28 @@ void IS31FL3737_set_led_control_register(uint8_t index, bool red, bool green, bo g_led_control_registers[led.driver][control_register_b] &= ~(1 << bit_b); } - g_led_control_registers_update_required = true; + g_led_control_registers_update_required[led.driver] = true; } -void IS31FL3737_update_pwm_buffers(uint8_t addr1, uint8_t addr2) { - if (g_pwm_buffer_update_required) { +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(addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3737_write_register(addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM); - IS31FL3737_write_pwm_buffer(addr1, g_pwm_buffer[0]); - // IS31FL3737_write_pwm_buffer(addr2, g_pwm_buffer[1]); + IS31FL3737_write_pwm_buffer(addr, g_pwm_buffer[index]); } - g_pwm_buffer_update_required = false; + g_pwm_buffer_update_required[index] = false; } -void IS31FL3737_update_led_control_registers(uint8_t addr1, uint8_t addr2) { - if (g_led_control_registers_update_required) { +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(addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3737_write_register(addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL); for (int i = 0; i < 24; i++) { - IS31FL3737_write_register(addr1, i, g_led_control_registers[0][i]); - // IS31FL3737_write_register(addr2, i, g_led_control_registers[1][i]); + IS31FL3737_write_register(addr, i, g_led_control_registers[index][i]); } - g_led_control_registers_update_required = false; } + g_led_control_registers_update_required[index] = false; } diff --git a/quantum/rgb_matrix/rgb_matrix_drivers.c b/quantum/rgb_matrix/rgb_matrix_drivers.c index 6a11d4791e..dfdf452190 100644 --- a/quantum/rgb_matrix/rgb_matrix_drivers.c +++ b/quantum/rgb_matrix/rgb_matrix_drivers.c @@ -65,6 +65,9 @@ static void init(void) { # endif # elif defined(IS31FL3737) IS31FL3737_init(DRIVER_ADDR_1); +# if defined(DRIVER_ADDR_2) && (DRIVER_ADDR_2 != DRIVER_ADDR_1) // provides backward compatibility + IS31FL3737_init(DRIVER_ADDR_2); +# endif # else IS31FL3741_init(DRIVER_ADDR_1); # endif @@ -105,7 +108,10 @@ static void init(void) { IS31FL3733_update_led_control_registers(DRIVER_ADDR_4, 3); # endif # elif defined(IS31FL3737) - IS31FL3737_update_led_control_registers(DRIVER_ADDR_1, DRIVER_ADDR_2); + IS31FL3737_update_led_control_registers(DRIVER_ADDR_1, 0); +# if defined(DRIVER_ADDR_2) && (DRIVER_ADDR_2 != DRIVER_ADDR_1) // provides backward compatibility + IS31FL3737_update_led_control_registers(DRIVER_ADDR_2, 1); +# endif # else IS31FL3741_update_led_control_registers(DRIVER_ADDR_1, 0); # endif @@ -152,7 +158,12 @@ const rgb_matrix_driver_t rgb_matrix_driver = { .set_color_all = IS31FL3733_set_color_all, }; # elif defined(IS31FL3737) -static void flush(void) { IS31FL3737_update_pwm_buffers(DRIVER_ADDR_1, DRIVER_ADDR_2); } +static void flush(void) { + IS31FL3737_update_pwm_buffers(DRIVER_ADDR_1, 0); +# if defined(DRIVER_ADDR_2) && (DRIVER_ADDR_2 != DRIVER_ADDR_1) // provides backward compatibility + IS31FL3737_update_pwm_buffers(DRIVER_ADDR_2, 1); +# endif +} const rgb_matrix_driver_t rgb_matrix_driver = { .init = init, |