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Move code of rtl837x_pins.c to BANK2 due to BANK0 overflow

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This commit is contained in:
feelfree69
2026-04-21 21:37:25 +02:00
parent da8ec8fe88
commit 812bf3bb67
2 changed files with 14 additions and 11 deletions
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rtl837x_pins.c
+10 -7
View File
@@ -2,7 +2,10 @@
#include "rtl837x_common.h"
#include "rtl837x_regs.h"
uint8_t i2c_bus_from_sda_pin(uint8_t sda_pin) {
#pragma codeseg BANK2
#pragma constseg BANK2
uint8_t i2c_bus_from_sda_pin(uint8_t sda_pin) __banked {
switch (sda_pin) {
case GPIO47_I2C_SDA0:
return 0;
@@ -19,7 +22,7 @@ uint8_t i2c_bus_from_sda_pin(uint8_t sda_pin) {
}
}
uint8_t i2c_bus_from_scl_pin(uint8_t scl_pin) {
uint8_t i2c_bus_from_scl_pin(uint8_t scl_pin) __banked{
switch (scl_pin) {
case GPIO46_I2C_SCL0:
return 0;
@@ -35,18 +38,18 @@ uint8_t i2c_bus_from_scl_pin(uint8_t scl_pin) {
}
/* Returns RTL837X_REG_GPIO_XX_OUTPUT register address */
static uint16_t gpio_output_reg(uint8_t pin) {
static uint16_t gpio_output_reg(uint8_t pin) __banked{
return pin < 32 ? RTL837X_REG_GPIO_00_31_OUTPUT : RTL837X_REG_GPIO_32_63_OUTPUT;
}
/* Returns RTL837X_REG_GPIO_XX_DIRECTION register address */
static uint16_t gpio_direction_reg(uint8_t pin) {
static uint16_t gpio_direction_reg(uint8_t pin) __banked {
return pin < 32 ? RTL837X_REG_GPIO_00_31_DIRECTION : RTL837X_REG_GPIO_32_63_DIRECTION;
}
/* Enable GPIO functions for pin */
static void gpio_mux_setup(uint8_t pin)
static void gpio_mux_setup(uint8_t pin) __banked
{
// Some GPIOs require setting MUX registers to enable GPIO
switch (pin) {
@@ -94,7 +97,7 @@ static void gpio_mux_setup(uint8_t pin)
}
}
void gpio_input_setup(uint8_t pin) {
void gpio_input_setup(uint8_t pin) __banked {
if (pin == GPIO_NA) {
return;
}
@@ -103,7 +106,7 @@ void gpio_input_setup(uint8_t pin) {
reg_bit_clear(gpio_direction_reg(pin), (pin % 32));
}
void gpio_output_setup(uint8_t pin, __xdata uint8_t initial_val) {
void gpio_output_setup(uint8_t pin, __xdata uint8_t initial_val) __banked{
if (pin == GPIO_NA) {
return;
}
rtl837x_pins.h
+4 -4
View File
@@ -72,22 +72,22 @@
#define GPIO_NA 0xFF
/* Convert SDA PIN GPIO to I2C bus number */
uint8_t i2c_bus_from_sda_pin(uint8_t sda_pin);
uint8_t i2c_bus_from_sda_pin(uint8_t sda_pin) __banked;
/* Convert SCL PIN GPIO to I2C bus number */
uint8_t i2c_bus_from_scl_pin(uint8_t scl_pin);
uint8_t i2c_bus_from_scl_pin(uint8_t scl_pin) __banked;
/*
* Setup a GPIO pin as input
* pin: GPIO pin number 0-63
*/
void gpio_input_setup(uint8_t pin);
void gpio_input_setup(uint8_t pin) __banked;
/*
* Setup a GPIO pin as output
* pin: GPIO pin number 0-63
* initial_val: 1 for bit set in RTL837X_REG_GPIO_xx_OUTPUT, 0 for bit not set
*/
void gpio_output_setup(uint8_t pin, __xdata uint8_t initial_val);
void gpio_output_setup(uint8_t pin, __xdata uint8_t initial_val) __banked;
#endif