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@@ -43,6 +43,10 @@
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#define AW_CONFIG_DEFAULT 0b10110000
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#define AW_CHIPEN 1
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+#define AW_PWM_REGISTER_COUNT 216
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+
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+#define AW_SPI_START(PIN) spi_start(PIN, false, 0, AW_SPI_DIVISOR)
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+
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#ifndef AW_SCALING_MAX
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# define AW_SCALING_MAX 150
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#endif
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@@ -63,13 +67,13 @@
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# define AW_SPI_DIVISOR 4
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#endif
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-uint8_t g_spi_transfer_buffer[20] = {0};
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-aw_led g_pwm_buffer[DRIVER_LED_TOTAL];
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-bool g_pwm_buffer_update_required[DRIVER_LED_TOTAL];
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+uint8_t g_spi_transfer_buffer[3] = {0};
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+uint8_t g_pwm_buffer[DRIVER_COUNT][AW_PWM_REGISTER_COUNT];
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+bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
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bool AW20216_write_register(pin_t slave_pin, uint8_t page, uint8_t reg, uint8_t data) {
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// Do we need to call spi_stop() if this fails?
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- if (!spi_start(slave_pin, false, 0, AW_SPI_DIVISOR)) {
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+ if (!AW_SPI_START(slave_pin)) {
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return false;
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}
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@@ -147,10 +151,11 @@ void AW20216_init(void) {
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}
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void AW20216_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
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- g_pwm_buffer[index].r = red;
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- g_pwm_buffer[index].g = green;
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- g_pwm_buffer[index].b = blue;
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- g_pwm_buffer_update_required[index] = true;
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+ aw_led led = g_aw_leds[index];
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+ g_pwm_buffer[led.driver][led.r] = red;
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+ g_pwm_buffer[led.driver][led.g] = green;
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+ g_pwm_buffer[led.driver][led.b] = blue;
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+ g_pwm_buffer_update_required[led.driver] = true;
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return;
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}
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void AW20216_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
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@@ -159,12 +164,19 @@ void AW20216_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
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}
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return;
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}
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+
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+void AW20216_write_pwm_buffer(pin_t slave_pin, uint8_t buffer_idx) {
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+ AW_SPI_START(slave_pin);
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+ spi_write((AWINIC_ID | AW_PAGE_PWM | AW_WRITE));
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+ spi_write(0);
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+ spi_transmit(g_pwm_buffer[buffer_idx], AW_PWM_REGISTER_COUNT);
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+ spi_stop();
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+}
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+
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void AW20216_update_pwm_buffers(void) {
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- for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) {
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- if (g_pwm_buffer_update_required[i]) {
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- AW20216_update_pwm(i, g_pwm_buffer[i].r, g_pwm_buffer[i].g, g_pwm_buffer[i].b);
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- g_pwm_buffer_update_required[i] = false;
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- }
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- }
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+ AW20216_write_pwm_buffer(DRIVER_1_CS, 0);
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+#ifdef DRIVER_2_CS
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+ AW20216_write_pwm_buffer(DRIVER_2_CS, 1);
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+#endif
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return;
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}
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