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OneOfEleven
2023-11-10 13:36:02 +00:00
parent ef5270e115
commit 630c6ac196
9 changed files with 18 additions and 16 deletions
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2
driver/backlight.c
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@ -28,7 +28,7 @@ void BACKLIGHT_init(void)
{
// 48MHz / 94 / 1024 ~ 500Hz
const uint32_t PWM_FREQUENCY_HZ = 1000;
PWM_PLUS0_CLKSRC |= ((48000000 / 1024 / PWM_FREQUENCY_HZ) << 16);
PWM_PLUS0_CLKSRC |= ((CPU_CLOCK_HZ / 1024 / PWM_FREQUENCY_HZ) << 16);
PWM_PLUS0_PERIOD = 1023;
PORTCON_PORTB_SEL0 &= ~(PORTCON_PORTB_SEL0_B6_MASK);

12
driver/uart.c
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@ -31,17 +31,17 @@ void UART_Init(void)
uint32_t Frequency;
UART1->CTRL = (UART1->CTRL & ~UART_CTRL_UARTEN_MASK) | UART_CTRL_UARTEN_BITS_DISABLE;
Delta = SYSCON_RC_FREQ_DELTA;
Positive = (Delta & SYSCON_RC_FREQ_DELTA_RCHF_SIG_MASK) >> SYSCON_RC_FREQ_DELTA_RCHF_SIG_SHIFT;
Frequency = (Delta & SYSCON_RC_FREQ_DELTA_RCHF_DELTA_MASK) >> SYSCON_RC_FREQ_DELTA_RCHF_DELTA_SHIFT;
Frequency = Positive ? Frequency + 48000000U : 48000000U - Frequency;
Delta = SYSCON_RC_FREQ_DELTA;
Positive = (Delta & SYSCON_RC_FREQ_DELTA_RCHF_SIG_MASK) >> SYSCON_RC_FREQ_DELTA_RCHF_SIG_SHIFT;
Frequency = (Delta & SYSCON_RC_FREQ_DELTA_RCHF_DELTA_MASK) >> SYSCON_RC_FREQ_DELTA_RCHF_DELTA_SHIFT;
Frequency = Positive ? Frequency + CPU_CLOCK_HZ : CPU_CLOCK_HZ - Frequency;
UART1->BAUD = Frequency / 39053U;
UART1->CTRL = UART_CTRL_RXEN_BITS_ENABLE | UART_CTRL_TXEN_BITS_ENABLE | UART_CTRL_RXDMAEN_BITS_ENABLE;
UART1->RXTO = 4;
UART1->FC = 0;
UART1->FC = 0;
UART1->FIFO = UART_FIFO_RF_LEVEL_BITS_8_BYTE | UART_FIFO_RF_CLR_BITS_ENABLE | UART_FIFO_TF_CLR_BITS_ENABLE;
UART1->IE = 0;
UART1->IE = 0;
DMA_CTR = (DMA_CTR & ~DMA_CTR_DMAEN_MASK) | DMA_CTR_DMAEN_BITS_DISABLE;