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Add gpio_set_iomux_function().

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This commit is contained in:
ourairquality 2016-08-15 22:23:45 +10:00
parent 8405b989f9
commit 4b77138f71
2 changed files with 20 additions and 15 deletions
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25
core/esp_spi.c
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@ -30,32 +30,27 @@
static bool _minimal_pins[2] = {false, false};
inline static void _set_pin_function(uint8_t pin, uint32_t function)
{
iomux_set_function(gpio_to_iomux(pin), function);
}
bool spi_init(uint8_t bus, spi_mode_t mode, uint32_t freq_divider, bool msb, spi_endianness_t endianness, bool minimal_pins)
{
switch (bus)
{
case 0:
_set_pin_function(_SPI0_MISO_GPIO, _SPI0_FUNC);
_set_pin_function(_SPI0_MOSI_GPIO, _SPI0_FUNC);
_set_pin_function(_SPI0_SCK_GPIO, _SPI0_FUNC);
gpio_set_iomux_function(_SPI0_MISO_GPIO, _SPI0_FUNC);
gpio_set_iomux_function(_SPI0_MOSI_GPIO, _SPI0_FUNC);
gpio_set_iomux_function(_SPI0_SCK_GPIO, _SPI0_FUNC);
if (!minimal_pins)
{
_set_pin_function(_SPI0_HD_GPIO, _SPI0_FUNC);
_set_pin_function(_SPI0_WP_GPIO, _SPI0_FUNC);
_set_pin_function(_SPI0_CS0_GPIO, _SPI0_FUNC);
gpio_set_iomux_function(_SPI0_HD_GPIO, _SPI0_FUNC);
gpio_set_iomux_function(_SPI0_WP_GPIO, _SPI0_FUNC);
gpio_set_iomux_function(_SPI0_CS0_GPIO, _SPI0_FUNC);
}
break;
case 1:
_set_pin_function(_SPI1_MISO_GPIO, _SPI1_FUNC);
_set_pin_function(_SPI1_MOSI_GPIO, _SPI1_FUNC);
_set_pin_function(_SPI1_SCK_GPIO, _SPI1_FUNC);
gpio_set_iomux_function(_SPI1_MISO_GPIO, _SPI1_FUNC);
gpio_set_iomux_function(_SPI1_MOSI_GPIO, _SPI1_FUNC);
gpio_set_iomux_function(_SPI1_SCK_GPIO, _SPI1_FUNC);
if (!minimal_pins)
_set_pin_function(_SPI1_CS0_GPIO, _SPI1_FUNC);
gpio_set_iomux_function(_SPI1_CS0_GPIO, _SPI1_FUNC);
break;
default:
return false;