funkey/FunKey-GPIO-Mapping
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force correct interrupt bank 3 config for AXP209, added edge direction selection in init gpio function

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This commit is contained in:
Vincent-FK 2019-10-25 07:17:12 +08:00
parent c245d61322
commit 7df1c06849
2 changed files with 13 additions and 8 deletions
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12
driver_axp209.c
View File

@ -56,19 +56,23 @@ bool axp209_init(void) {
int err;
err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_1_ENABLE, 0x00);
if(err < 0){
printf("ERROR initializing interrupts for AXP209\n");
printf("ERROR initializing interrupts 1 for AXP209\n");
}
err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_2_ENABLE, 0x00);
if(err < 0){
printf("ERROR initializing interrupts for AXP209\n");
printf("ERROR initializing interrupts 2 for AXP209\n");
}
err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_3_ENABLE, 0x03);
if(err < 0){
printf("ERROR initializing interrupts 3 for AXP209\n");
}
err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_4_ENABLE, 0x00);
if(err < 0){
printf("ERROR initializing interrupts for AXP209\n");
printf("ERROR initializing interrupts 4 for AXP209\n");
}
err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_5_ENABLE, 0x00);
if(err < 0){
printf("ERROR initializing interrupts for AXP209\n");
printf("ERROR initializing interrupts 5 for AXP209\n");
}
return true;

9
gpio_mapping.c
View File

@ -189,14 +189,15 @@ static void find_and_call_mapping_function(int idx_gpio_interrupted,
}
/***** Init GPIO Interrupt i2c expander fd *****/
static int init_gpio_interrupt(int pin_nb, int *fd_saved)
static int init_gpio_interrupt(int pin_nb, int *fd_saved, const char *edge)
{
// Variables
GPIO_PRINTF("Initializing Interrupt on GPIO pin: %d\n", pin_nb);
//Initializing I2C interrupt GPIO
gpio_export(pin_nb);
gpio_set_edge(pin_nb, "both"); // Can be rising, falling or both
gpio_set_edge(pin_nb, edge); // Can be rising, falling or both
//gpio_set_edge(pin_nb, "both"); // Can be rising, falling or both
//gpio_set_edge(pin_nb, "falling"); // Can be rising, falling or both
*fd_saved = gpio_fd_open(pin_nb, O_RDONLY);
GPIO_PRINTF("fd is: %d\n", *fd_saved);
@ -255,7 +256,7 @@ int init_mapping_gpios(int * gpio_pins_to_declare, int nb_gpios_to_declare,
// Init GPIO interrupt from I2C GPIO expander
GPIO_PRINTF(" Initiating interrupt for GPIO_PIN_I2C_EXPANDER_INTERRUPT\n");
init_gpio_interrupt(GPIO_PIN_I2C_EXPANDER_INTERRUPT, &gpio_fd_interrupt_expander_gpio);
init_gpio_interrupt(GPIO_PIN_I2C_EXPANDER_INTERRUPT, &gpio_fd_interrupt_expander_gpio, "both"); // Can be rising, falling or both
// Init I2C expander
pcal6416a_init();
@ -263,7 +264,7 @@ int init_mapping_gpios(int * gpio_pins_to_declare, int nb_gpios_to_declare,
#ifdef ENABLE_AXP209_INTERRUPTS
// Init GPIO interrupt from AXP209
GPIO_PRINTF(" Initiating interrupt for GPIO_PIN_AXP209_INTERRUPT\n");
init_gpio_interrupt(GPIO_PIN_AXP209_INTERRUPT, &gpio_fd_interrupt_axp209);
init_gpio_interrupt(GPIO_PIN_AXP209_INTERRUPT, &gpio_fd_interrupt_axp209, "falling");
// Init AXP209
axp209_init();