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path: root/drivers/led/issi/is31fl3745.c
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Diffstat (limited to 'drivers/led/issi/is31fl3745.c')
-rw-r--r--drivers/led/issi/is31fl3745.c117
1 files changed, 62 insertions, 55 deletions
diff --git a/drivers/led/issi/is31fl3745.c b/drivers/led/issi/is31fl3745.c
index 0f91a75bcc..3a67f6819a 100644
--- a/drivers/led/issi/is31fl3745.c
+++ b/drivers/led/issi/is31fl3745.c
@@ -62,28 +62,54 @@
# define IS31FL3745_SYNC_4 IS31FL3745_SYNC_NONE
#endif
+const uint8_t i2c_addresses[IS31FL3745_DRIVER_COUNT] = {
+ IS31FL3745_I2C_ADDRESS_1,
+#ifdef IS31FL3745_I2C_ADDRESS_2
+ IS31FL3745_I2C_ADDRESS_2,
+# ifdef IS31FL3745_I2C_ADDRESS_3
+ IS31FL3745_I2C_ADDRESS_3,
+# ifdef IS31FL3745_I2C_ADDRESS_4
+ IS31FL3745_I2C_ADDRESS_4,
+# endif
+# endif
+#endif
+};
+
+const uint8_t driver_sync[IS31FL3745_DRIVER_COUNT] = {
+ IS31FL3745_SYNC_1,
+#ifdef IS31FL3745_I2C_ADDRESS_2
+ IS31FL3745_SYNC_2,
+# ifdef IS31FL3745_I2C_ADDRESS_3
+ IS31FL3745_SYNC_3,
+# ifdef IS31FL3745_I2C_ADDRESS_4
+ IS31FL3745_SYNC_4,
+# endif
+# endif
+#endif
+};
+
uint8_t g_pwm_buffer[IS31FL3745_DRIVER_COUNT][IS31FL3745_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required[IS31FL3745_DRIVER_COUNT] = {false};
bool g_scaling_registers_update_required[IS31FL3745_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3745_DRIVER_COUNT][IS31FL3745_SCALING_REGISTER_COUNT];
-void is31fl3745_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
+void is31fl3745_write_register(uint8_t index, uint8_t reg, uint8_t data) {
#if IS31FL3745_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3745_I2C_PERSISTENCE; i++) {
- if (i2c_write_register(addr << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
- i2c_write_register(addr << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT);
+ i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3745_I2C_TIMEOUT);
#endif
}
-void is31fl3745_select_page(uint8_t addr, uint8_t page) {
- is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
- is31fl3745_write_register(addr, IS31FL3745_REG_COMMAND, page);
+void is31fl3745_select_page(uint8_t index, uint8_t page) {
+ is31fl3745_write_register(index, IS31FL3745_REG_COMMAND_WRITE_LOCK, IS31FL3745_COMMAND_WRITE_LOCK_MAGIC);
+ is31fl3745_write_register(index, IS31FL3745_REG_COMMAND, page);
}
-void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
+void is31fl3745_write_pwm_buffer(uint8_t index) {
// Assumes page 0 is already selected.
// Transmit PWM registers in 8 transfers of 18 bytes.
@@ -91,10 +117,10 @@ void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
for (uint8_t i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i += 18) {
#if IS31FL3745_I2C_PERSISTENCE > 0
for (uint8_t j = 0; j < IS31FL3745_I2C_PERSISTENCE; j++) {
- if (i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ if (i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
- i2c_write_register(addr << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT);
+ i2c_write_register(i2c_addresses[index] << 1, i + 1, g_pwm_buffer[index] + i, 18, IS31FL3745_I2C_TIMEOUT);
#endif
}
}
@@ -102,58 +128,46 @@ void is31fl3745_write_pwm_buffer(uint8_t addr, uint8_t index) {
void is31fl3745_init_drivers(void) {
i2c_init();
- is31fl3745_init(IS31FL3745_I2C_ADDRESS_1, IS31FL3745_SYNC_1);
-#if defined(IS31FL3745_I2C_ADDRESS_2)
- is31fl3745_init(IS31FL3745_I2C_ADDRESS_2, IS31FL3745_SYNC_2);
-# if defined(IS31FL3745_I2C_ADDRESS_3)
- is31fl3745_init(IS31FL3745_I2C_ADDRESS_3, IS31FL3745_SYNC_3);
-# if defined(IS31FL3745_I2C_ADDRESS_4)
- is31fl3745_init(IS31FL3745_I2C_ADDRESS_4, IS31FL3745_SYNC_4);
-# endif
-# endif
-#endif
+ for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
+ is31fl3745_init(i);
+ }
for (int i = 0; i < IS31FL3745_LED_COUNT; i++) {
is31fl3745_set_scaling_register(i, 0xFF, 0xFF, 0xFF);
}
- is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_1, 0);
-#if defined(IS31FL3745_I2C_ADDRESS_2)
- is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_2, 1);
-# if defined(IS31FL3745_I2C_ADDRESS_3)
- is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_3, 2);
-# if defined(IS31FL3745_I2C_ADDRESS_4)
- is31fl3745_update_scaling_registers(IS31FL3745_I2C_ADDRESS_4, 3);
-# endif
-# endif
-#endif
+ for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
+ is31fl3745_update_scaling_registers(i);
+ }
}
-void is31fl3745_init(uint8_t addr, uint8_t sync) {
+void is31fl3745_init(uint8_t index) {
// 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,
// then disable software shutdown.
- is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
+ is31fl3745_select_page(index, IS31FL3745_COMMAND_SCALING);
// Turn off all LEDs.
for (uint8_t i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
- is31fl3745_write_register(addr, i + 1, 0x00);
+ is31fl3745_write_register(index, i + 1, 0x00);
}
- is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
+ is31fl3745_select_page(index, IS31FL3745_COMMAND_PWM);
for (uint8_t i = 0; i < IS31FL3745_PWM_REGISTER_COUNT; i++) {
- is31fl3745_write_register(addr, i + 1, 0x00);
+ is31fl3745_write_register(index, i + 1, 0x00);
}
- is31fl3745_select_page(addr, IS31FL3745_COMMAND_FUNCTION);
+ is31fl3745_select_page(index, IS31FL3745_COMMAND_FUNCTION);
- is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
- is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
- is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
- is31fl3745_write_register(addr, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
+ uint8_t sync = driver_sync[index];
+
+ is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_PULLDOWNUP, (IS31FL3745_SW_PULLDOWN << 4) | IS31FL3745_CS_PULLUP);
+ is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_GLOBAL_CURRENT, IS31FL3745_GLOBAL_CURRENT);
+ is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_SPREAD_SPECTRUM, (sync & 0b11) << 6);
+ is31fl3745_write_register(index, IS31FL3745_FUNCTION_REG_CONFIGURATION, IS31FL3745_CONFIGURATION);
// Wait 10ms to ensure the device has woken up.
wait_ms(10);
@@ -192,22 +206,22 @@ void is31fl3745_set_scaling_register(uint8_t index, uint8_t red, uint8_t green,
g_scaling_registers_update_required[led.driver] = true;
}
-void is31fl3745_update_pwm_buffers(uint8_t addr, uint8_t index) {
+void is31fl3745_update_pwm_buffers(uint8_t index) {
if (g_pwm_buffer_update_required[index]) {
- is31fl3745_select_page(addr, IS31FL3745_COMMAND_PWM);
+ is31fl3745_select_page(index, IS31FL3745_COMMAND_PWM);
- is31fl3745_write_pwm_buffer(addr, index);
+ is31fl3745_write_pwm_buffer(index);
g_pwm_buffer_update_required[index] = false;
}
}
-void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
+void is31fl3745_update_scaling_registers(uint8_t index) {
if (g_scaling_registers_update_required[index]) {
- is31fl3745_select_page(addr, IS31FL3745_COMMAND_SCALING);
+ is31fl3745_select_page(index, IS31FL3745_COMMAND_SCALING);
for (uint8_t i = 0; i < IS31FL3745_SCALING_REGISTER_COUNT; i++) {
- is31fl3745_write_register(addr, i + 1, g_scaling_registers[index][i]);
+ is31fl3745_write_register(index, i + 1, g_scaling_registers[index][i]);
}
g_scaling_registers_update_required[index] = false;
@@ -215,14 +229,7 @@ void is31fl3745_update_scaling_registers(uint8_t addr, uint8_t index) {
}
void is31fl3745_flush(void) {
- is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_1, 0);
-#if defined(IS31FL3745_I2C_ADDRESS_2)
- is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_2, 1);
-# if defined(IS31FL3745_I2C_ADDRESS_3)
- is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_3, 2);
-# if defined(IS31FL3745_I2C_ADDRESS_4)
- is31fl3745_update_pwm_buffers(IS31FL3745_I2C_ADDRESS_4, 3);
-# endif
-# endif
-#endif
+ for (uint8_t i = 0; i < IS31FL3745_DRIVER_COUNT; i++) {
+ is31fl3745_update_pwm_buffers(i);
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 10:38:22 +0000