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path: root/drivers/led/issi/is31fl3741.c
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Diffstat (limited to 'drivers/led/issi/is31fl3741.c')
-rw-r--r--drivers/led/issi/is31fl3741.c63
1 files changed, 33 insertions, 30 deletions
diff --git a/drivers/led/issi/is31fl3741.c b/drivers/led/issi/is31fl3741.c
index 2f43473fc1..70671c2a40 100644
--- a/drivers/led/issi/is31fl3741.c
+++ b/drivers/led/issi/is31fl3741.c
@@ -82,7 +82,7 @@ uint8_t g_twi_transfer_buffer[20] = {0xFF};
// The scaling buffers match the PG2 and PG3 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
// We could optimize this and take out the unused registers from these
-// buffers and the transfers in IS31FL3741_write_pwm_buffer() but it's
+// buffers and the transfers in is31fl3741_write_pwm_buffer() but it's
// probably not worth the extra complexity.
uint8_t g_pwm_buffer[DRIVER_COUNT][ISSI_MAX_LEDS];
bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
@@ -90,7 +90,7 @@ bool g_scaling_registers_update_required[DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[DRIVER_COUNT][ISSI_MAX_LEDS];
-void IS31FL3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
+void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
g_twi_transfer_buffer[1] = data;
@@ -103,14 +103,14 @@ void IS31FL3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
#endif
}
-bool IS31FL3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assume PG0 is already selected
for (int i = 0; i < 342; i += 18) {
if (i == 180) {
// unlock the command register and select PG1
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM1);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM1);
}
g_twi_transfer_buffer[0] = i % 180;
@@ -148,7 +148,7 @@ bool IS31FL3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
return true;
}
-void IS31FL3741_init(uint8_t addr) {
+void is31fl3741_init(uint8_t addr) {
// In order to avoid the LEDs being driven with garbage data
// in the LED driver's PWM registers, shutdown is enabled last.
// Set up the mode and other settings, clear the PWM registers,
@@ -156,44 +156,47 @@ void IS31FL3741_init(uint8_t addr) {
// Unlock the command register.
// Unlock the command register.
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
// Select PG4
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
// Set to Normal operation
- IS31FL3741_write_register(addr, ISSI_REG_CONFIGURATION, 0x01);
+ is31fl3741_write_register(addr, ISSI_REG_CONFIGURATION, 0x01);
// Set Golbal Current Control Register
- IS31FL3741_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);
+ is31fl3741_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);
// Set Pull up & Down for SWx CSy
- IS31FL3741_write_register(addr, ISSI_REG_PULLDOWNUP, ((ISSI_CSPULLUP << 4) | ISSI_SWPULLUP));
+ is31fl3741_write_register(addr, ISSI_REG_PULLDOWNUP, ((ISSI_CSPULLUP << 4) | ISSI_SWPULLUP));
- // IS31FL3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
+ // is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
}
-void IS31FL3741_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+void is31fl3741_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
is31_led led;
if (index >= 0 && index < RGB_MATRIX_LED_COUNT) {
memcpy_P(&led, (&g_is31_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;
+ }
+ g_pwm_buffer_update_required[led.driver] = 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;
}
}
-void IS31FL3741_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
+void is31fl3741_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
for (int i = 0; i < RGB_MATRIX_LED_COUNT; i++) {
- IS31FL3741_set_color(i, red, green, blue);
+ is31fl3741_set_color(i, red, green, blue);
}
}
-void IS31FL3741_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
+void is31fl3741_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));
@@ -218,19 +221,19 @@ void IS31FL3741_set_led_control_register(uint8_t index, bool red, bool green, bo
g_scaling_registers_update_required[led.driver] = true;
}
-void IS31FL3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
+void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
// unlock the command register and select PG2
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM0);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM0);
- IS31FL3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
+ is31fl3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
}
g_pwm_buffer_update_required[index] = false;
}
-void IS31FL3741_set_pwm_buffer(const is31_led *pled, uint8_t red, uint8_t green, uint8_t blue) {
+void is31fl3741_set_pwm_buffer(const is31_led *pled, uint8_t red, uint8_t green, uint8_t blue) {
g_pwm_buffer[pled->driver][pled->r] = red;
g_pwm_buffer[pled->driver][pled->g] = green;
g_pwm_buffer[pled->driver][pled->b] = blue;
@@ -238,31 +241,31 @@ void IS31FL3741_set_pwm_buffer(const is31_led *pled, uint8_t red, uint8_t green,
g_pwm_buffer_update_required[pled->driver] = true;
}
-void IS31FL3741_update_led_control_registers(uint8_t addr, uint8_t index) {
+void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
if (g_scaling_registers_update_required[index]) {
// unlock the command register and select PG2
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_SCALING_0);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_SCALING_0);
// CS1_SW1 to CS30_SW6 are on PG2
for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
- IS31FL3741_write_register(addr, i, g_scaling_registers[index][i]);
+ is31fl3741_write_register(addr, i, g_scaling_registers[index][i]);
}
// unlock the command register and select PG3
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
- IS31FL3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_SCALING_1);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+ is31fl3741_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_SCALING_1);
// CS1_SW7 to CS39_SW9 are on PG3
for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
- IS31FL3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
+ is31fl3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
}
}
-void IS31FL3741_set_scaling_registers(const is31_led *pled, uint8_t red, uint8_t green, uint8_t blue) {
+void is31fl3741_set_scaling_registers(const is31_led *pled, uint8_t red, uint8_t green, uint8_t blue) {
g_scaling_registers[pled->driver][pled->r] = red;
g_scaling_registers[pled->driver][pled->g] = green;
g_scaling_registers[pled->driver][pled->b] = blue;