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cpu/gd32v: allow SPI pin remapping in config

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This commit is contained in:
Gunar Schorcht 2023-02-05 18:42:17 +01:00
parent ebc869a83f
commit ae984b0bea
1 changed files with 9 additions and 0 deletions
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9
cpu/gd32v/periph/spi.c
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@ -120,6 +120,15 @@ void spi_init(spi_t bus)
void spi_init_pins(spi_t bus)
{
if (spi_config[bus].sclk_pin == GPIO_PIN(PORT_B, 3) &&
spi_config[bus].miso_pin == GPIO_PIN(PORT_B, 4) &&
spi_config[bus].mosi_pin == GPIO_PIN(PORT_B, 5)) {
/* The remapping periph clock must first be enabled */
RCU->APB2EN |= RCU_APB2EN_AFEN_Msk;
/* Then the remap can occur */
AFIO->PCF0 |= AFIO_PCF0_SPI0_REMAP_Msk;
}
if (gpio_is_valid(spi_config[bus].sclk_pin)) {
gpio_init_af(spi_config[bus].sclk_pin, GPIO_AF_OUT_PP);
}