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stm32: Move irq handler code above irq setup

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Only code movement.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-08-22 08:48:10 -04:00
parent 2a2cf1f536
commit a44bc950a3
3 changed files with 88 additions and 88 deletions
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36
src/stm32/serial.c
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@ -44,24 +44,6 @@ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PB11,PB10");
#define CR1_FLAGS (USART_CR1_UE | USART_CR1_RE | USART_CR1_TE \
| USART_CR1_RXNEIE)
void
serial_init(void)
{
enable_pclock((uint32_t)USARTx);
uint32_t pclk = get_pclock_frequency((uint32_t)USARTx);
uint32_t div = DIV_ROUND_CLOSEST(pclk, CONFIG_SERIAL_BAUD);
USARTx->BRR = (((div / 16) << USART_BRR_DIV_Mantissa_Pos)
| ((div % 16) << USART_BRR_DIV_Fraction_Pos));
USARTx->CR1 = CR1_FLAGS;
NVIC_SetPriority(USARTx_IRQn, 0);
NVIC_EnableIRQ(USARTx_IRQn);
gpio_peripheral(GPIO_Rx, GPIO_FUNCTION(7), 1);
gpio_peripheral(GPIO_Tx, GPIO_FUNCTION(7), 0);
}
DECL_INIT(serial_init);
void __visible
USARTx_IRQHandler(void)
{
@ -83,3 +65,21 @@ serial_enable_tx_irq(void)
{
USARTx->CR1 = CR1_FLAGS | USART_CR1_TXEIE;
}
void
serial_init(void)
{
enable_pclock((uint32_t)USARTx);
uint32_t pclk = get_pclock_frequency((uint32_t)USARTx);
uint32_t div = DIV_ROUND_CLOSEST(pclk, CONFIG_SERIAL_BAUD);
USARTx->BRR = (((div / 16) << USART_BRR_DIV_Mantissa_Pos)
| ((div % 16) << USART_BRR_DIV_Fraction_Pos));
USARTx->CR1 = CR1_FLAGS;
NVIC_SetPriority(USARTx_IRQn, 0);
NVIC_EnableIRQ(USARTx_IRQn);
gpio_peripheral(GPIO_Rx, GPIO_FUNCTION(7), 1);
gpio_peripheral(GPIO_Tx, GPIO_FUNCTION(7), 0);
}
DECL_INIT(serial_init);