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fast_gpio: driver support on esp32c3

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This commit is contained in:
morris
2021-08-27 12:18:12 +08:00
parent bc3c9d27f6
commit 6cec256a34
14 changed files with 206 additions and 30 deletions
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2
components/driver/CMakeLists.txt
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@@ -67,6 +67,7 @@ if(IDF_TARGET STREQUAL "esp32c3")
list(APPEND srcs "gdma.c"
"spi_slave_hd.c"
"adc_common.c"
"dedic_gpio.c"
"usb_serial_jtag.c"
"esp32c3/adc.c"
"esp32c3/adc2_init_cal.c"
@@ -77,6 +78,7 @@ if(IDF_TARGET STREQUAL "esp32h2")
list(APPEND srcs "gdma.c"
"spi_slave_hd.c"
"adc_common.c"
"dedic_gpio.c"
"esp32h2/adc.c"
"esp32h2/adc2_init_cal.c"
"esp32h2/rtc_tempsensor.c")

19
components/driver/dedic_gpio.c
View File

@@ -63,8 +63,8 @@ struct dedic_gpio_bundle_t {
uint32_t in_mask; // mask of input channels in the bank
uint32_t out_offset; // offset in the bank (seen from output channel)
uint32_t in_offset; // offset in the bank (seen from input channel)
size_t nr_gpio; // number of GPIOs in the gpio_array
int gpio_array[]; // array of GPIO numbers (configured by user)
size_t nr_gpio; // number of GPIOs in the gpio_array
int gpio_array[]; // array of GPIO numbers (configured by user)
};
static esp_err_t dedic_gpio_build_platform(uint32_t core_id)
@@ -80,8 +80,10 @@ static esp_err_t dedic_gpio_build_platform(uint32_t core_id)
s_platform[core_id]->spinlock = (portMUX_TYPE)portMUX_INITIALIZER_UNLOCKED;
#if SOC_DEDIC_GPIO_ALLOW_REG_ACCESS
s_platform[core_id]->dev = &DEDIC_GPIO;
#endif
#endif // SOC_DEDIC_GPIO_ALLOW_REG_ACCESS
#if !SOC_DEDIC_PERIPH_AUTO_ENABLE
periph_module_enable(dedic_gpio_periph_signals.module); // enable APB clock to peripheral
#endif // !SOC_DEDIC_PERIPH_AUTO_ENABLE
}
}
_lock_release(&s_platform_mutexlock[core_id]);
@@ -102,7 +104,9 @@ static void dedic_gpio_break_platform(uint32_t core_id)
if (s_platform[core_id]) {
free(s_platform[core_id]);
s_platform[core_id] = NULL;
#if !SOC_DEDIC_PERIPH_AUTO_ENABLE
periph_module_disable(dedic_gpio_periph_signals.module); // disable module if no GPIO channel is being used
#endif // !SOC_DEDIC_PERIPH_AUTO_ENABLE
}
_lock_release(&s_platform_mutexlock[core_id]);
}
@@ -263,6 +267,9 @@ esp_err_t dedic_gpio_new_bundle(const dedic_gpio_bundle_config_t *config, dedic_
gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[config->gpio_array[i]], PIN_FUNC_GPIO);
esp_rom_gpio_connect_out_signal(config->gpio_array[i], dedic_gpio_periph_signals.cores[core_id].out_sig_per_channel[out_offset + i], config->flags.out_invert, false);
}
#if !SOC_DEDIC_GPIO_OUT_AUTO_ENABLE
cpu_ll_enable_dedic_gpio_output(s_platform[core_id]->out_occupied_mask);
#endif // !SOC_DEDIC_GPIO_OUT_AUTO_ENABLE
}
// it's safe to initialize bundle members without locks here
@@ -340,14 +347,14 @@ err:
void dedic_gpio_bundle_write(dedic_gpio_bundle_handle_t bundle, uint32_t mask, uint32_t value)
{
// For performace reasons, we don't want to check the validation of parameters here
// For performance reasons, we don't want to check the validation of parameters here
// Even didn't check if we're working on the correct CPU core (i.e. bundle->core_id == current core_id)
cpu_ll_write_dedic_gpio_mask(bundle->out_mask & (mask << bundle->out_offset), value << bundle->out_offset);
}
uint32_t dedic_gpio_bundle_read_out(dedic_gpio_bundle_handle_t bundle)
{
// For performace reasons, we don't want to check the validation of parameters here
// For performance reasons, we don't want to check the validation of parameters here
// Even didn't check if we're working on the correct CPU core (i.e. bundle->core_id == current core_id)
uint32_t value = cpu_ll_read_dedic_gpio_out();
return (value & bundle->out_mask) >> (bundle->out_offset);
@@ -355,7 +362,7 @@ uint32_t dedic_gpio_bundle_read_out(dedic_gpio_bundle_handle_t bundle)
uint32_t dedic_gpio_bundle_read_in(dedic_gpio_bundle_handle_t bundle)
{
// For performace reasons, we don't want to check the validation of parameters here
// For performance reasons, we don't want to check the validation of parameters here
// Even didn't check if we're working on the correct CPU core (i.e. bundle->core_id == current core_id)
uint32_t value = cpu_ll_read_dedic_gpio_in();
return (value & bundle->in_mask) >> (bundle->in_offset);