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Merge branch 'feature/optimized_gpio_intr_service' into 'master'

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driver: Add optimization by speed in ISR functions for gpio, rmt, pcnt

Closes IDF-328

See merge request idf/esp-idf!4241
This commit is contained in:
Angus Gratton
2019-03-20 14:19:17 +08:00
parent dc5ff1d633 b1b5849c4c
commit 34d118d445
3 changed files with 128 additions and 131 deletions
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52
components/driver/gpio.c
View File

@@ -327,37 +327,37 @@ esp_err_t gpio_reset_pin(gpio_num_t gpio_num)
return ESP_OK;
}
void IRAM_ATTR gpio_intr_service(void* arg)
static inline void IRAM_ATTR gpio_isr_loop(uint32_t status, const uint32_t gpio_num_start) {
while (status) {
int nbit = __builtin_ffs(status) - 1;
status &= ~(1 << nbit);
int gpio_num = gpio_num_start + nbit;
if (gpio_isr_func[gpio_num].fn != NULL) {
gpio_isr_func[gpio_num].fn(gpio_isr_func[gpio_num].args);
}
}
}
static void IRAM_ATTR gpio_intr_service(void* arg)
{
//GPIO intr process
uint32_t gpio_num = 0;
//read status to get interrupt status for GPIO0-31
uint32_t gpio_intr_status;
gpio_intr_status = GPIO.status;
//read status1 to get interrupt status for GPIO32-39
uint32_t gpio_intr_status_h;
gpio_intr_status_h = GPIO.status1.intr_st;
if (gpio_isr_func == NULL) {
return;
}
do {
if (gpio_num < 32) {
if (gpio_intr_status & BIT(gpio_num)) { //gpio0-gpio31
if (gpio_isr_func[gpio_num].fn != NULL) {
gpio_isr_func[gpio_num].fn(gpio_isr_func[gpio_num].args);
}
GPIO.status_w1tc = BIT(gpio_num);
}
} else {
if (gpio_intr_status_h & BIT(gpio_num - 32)) {
if (gpio_isr_func[gpio_num].fn != NULL) {
gpio_isr_func[gpio_num].fn(gpio_isr_func[gpio_num].args);
}
GPIO.status1_w1tc.intr_st = BIT(gpio_num - 32);
}
}
} while (++gpio_num < GPIO_PIN_COUNT);
//read status to get interrupt status for GPIO0-31
const uint32_t gpio_intr_status = GPIO.status;
if (gpio_intr_status) {
gpio_isr_loop(gpio_intr_status, 0);
GPIO.status_w1tc = gpio_intr_status;
}
//read status1 to get interrupt status for GPIO32-39
const uint32_t gpio_intr_status_h = GPIO.status1.intr_st;
if (gpio_intr_status_h) {
gpio_isr_loop(gpio_intr_status_h, 32);
GPIO.status1_w1tc.intr_st = gpio_intr_status_h;
}
}
esp_err_t gpio_isr_handler_add(gpio_num_t gpio_num, gpio_isr_t isr_handler, void* args)

15
components/driver/pcnt.c
View File

@@ -296,15 +296,16 @@ esp_err_t pcnt_isr_register(void (*fun)(void*), void * arg, int intr_alloc_flags
// pcnt interrupt service
static void IRAM_ATTR pcnt_intr_service(void* arg)
{
uint32_t intr_status = PCNT.int_st.val;
for (int unit = 0; unit < PCNT_UNIT_MAX; unit++) {
if (intr_status & (BIT(unit))) {
if (pcnt_isr_func[unit].fn != NULL) {
(pcnt_isr_func[unit].fn)(pcnt_isr_func[unit].args);
}
PCNT.int_clr.val = BIT(unit);
const uint32_t intr_status = PCNT.int_st.val;
uint32_t status = intr_status;
while (status) {
int unit = __builtin_ffs(status) - 1;
status &= ~(1 << unit);
if (pcnt_isr_func[unit].fn != NULL) {
(pcnt_isr_func[unit].fn)(pcnt_isr_func[unit].args);
}
}
PCNT.int_clr.val = intr_status;
}
esp_err_t pcnt_isr_handler_add(pcnt_unit_t unit, void(*isr_handler)(void *), void *args)

192
components/driver/rmt.c
View File

@@ -555,116 +555,112 @@ static int IRAM_ATTR rmt_get_mem_len(rmt_channel_t channel)
static void IRAM_ATTR rmt_driver_isr_default(void* arg)
{
uint32_t intr_st = RMT.int_st.val;
uint32_t i = 0;
const uint32_t intr_st = RMT.int_st.val;
uint32_t status = intr_st;
uint8_t channel;
portBASE_TYPE HPTaskAwoken = 0;
for(i = 0; i < 32; i++) {
while (status) {
int i = __builtin_ffs(status) - 1;
status &= ~(1 << i);
if(i < 24) {
if(intr_st & BIT(i)) {
channel = i / 3;
rmt_obj_t* p_rmt = p_rmt_obj[channel];
if(NULL == p_rmt) {
RMT.int_clr.val = BIT(i);
continue;
}
switch(i % 3) {
//TX END
case 0:
xSemaphoreGiveFromISR(p_rmt->tx_sem, &HPTaskAwoken);
RMT.conf_ch[channel].conf1.mem_rd_rst = 1;
RMT.conf_ch[channel].conf1.mem_rd_rst = 0;
p_rmt->tx_data = NULL;
p_rmt->tx_len_rem = 0;
p_rmt->tx_offset = 0;
p_rmt->tx_sub_len = 0;
p_rmt->sample_cur = NULL;
p_rmt->translator = false;
if(rmt_tx_end_callback.function != NULL) {
rmt_tx_end_callback.function(channel, rmt_tx_end_callback.arg);
}
break;
//RX_END
case 1:
RMT.conf_ch[channel].conf1.rx_en = 0;
int item_len = rmt_get_mem_len(channel);
//change memory owner to protect data.
RMT.conf_ch[channel].conf1.mem_owner = RMT_MEM_OWNER_TX;
if(p_rmt->rx_buf) {
BaseType_t res = xRingbufferSendFromISR(p_rmt->rx_buf, (void*) RMTMEM.chan[channel].data32, item_len * 4, &HPTaskAwoken);
if(res == pdFALSE) {
ESP_EARLY_LOGE(RMT_TAG, "RMT RX BUFFER FULL");
} else {
}
channel = i / 3;
rmt_obj_t* p_rmt = p_rmt_obj[channel];
if(NULL == p_rmt) {
continue;
}
switch(i % 3) {
//TX END
case 0:
xSemaphoreGiveFromISR(p_rmt->tx_sem, &HPTaskAwoken);
RMT.conf_ch[channel].conf1.mem_rd_rst = 1;
RMT.conf_ch[channel].conf1.mem_rd_rst = 0;
p_rmt->tx_data = NULL;
p_rmt->tx_len_rem = 0;
p_rmt->tx_offset = 0;
p_rmt->tx_sub_len = 0;
p_rmt->sample_cur = NULL;
p_rmt->translator = false;
if(rmt_tx_end_callback.function != NULL) {
rmt_tx_end_callback.function(channel, rmt_tx_end_callback.arg);
}
break;
//RX_END
case 1:
RMT.conf_ch[channel].conf1.rx_en = 0;
int item_len = rmt_get_mem_len(channel);
//change memory owner to protect data.
RMT.conf_ch[channel].conf1.mem_owner = RMT_MEM_OWNER_TX;
if(p_rmt->rx_buf) {
BaseType_t res = xRingbufferSendFromISR(p_rmt->rx_buf, (void*) RMTMEM.chan[channel].data32, item_len * 4, &HPTaskAwoken);
if(res == pdFALSE) {
ESP_EARLY_LOGE(RMT_TAG, "RMT RX BUFFER FULL");
} else {
ESP_EARLY_LOGE(RMT_TAG, "RMT RX BUFFER ERROR\n");
}
RMT.conf_ch[channel].conf1.mem_wr_rst = 1;
RMT.conf_ch[channel].conf1.mem_owner = RMT_MEM_OWNER_RX;
RMT.conf_ch[channel].conf1.rx_en = 1;
break;
//ERR
case 2:
ESP_EARLY_LOGE(RMT_TAG, "RMT[%d] ERR", channel);
ESP_EARLY_LOGE(RMT_TAG, "status: 0x%08x", RMT.status_ch[channel]);
RMT.int_ena.val &= (~(BIT(i)));
break;
default:
break;
}
RMT.int_clr.val = BIT(i);
} else {
ESP_EARLY_LOGE(RMT_TAG, "RMT RX BUFFER ERROR\n");
}
RMT.conf_ch[channel].conf1.mem_wr_rst = 1;
RMT.conf_ch[channel].conf1.mem_owner = RMT_MEM_OWNER_RX;
RMT.conf_ch[channel].conf1.rx_en = 1;
break;
//ERR
case 2:
ESP_EARLY_LOGE(RMT_TAG, "RMT[%d] ERR", channel);
ESP_EARLY_LOGE(RMT_TAG, "status: 0x%08x", RMT.status_ch[channel]);
RMT.int_ena.val &= (~(BIT(i)));
break;
default:
break;
}
} else {
if(intr_st & (BIT(i))) {
channel = i - 24;
rmt_obj_t* p_rmt = p_rmt_obj[channel];
RMT.int_clr.val = BIT(i);
channel = i - 24;
rmt_obj_t* p_rmt = p_rmt_obj[channel];
if(p_rmt->tx_data == NULL) {
//skip
if(p_rmt->tx_data == NULL) {
//skip
} else {
if(p_rmt->translator) {
if(p_rmt->sample_size_remain > 0) {
size_t translated_size = 0;
p_rmt->sample_to_rmt((void *) p_rmt->sample_cur,
p_rmt->tx_buf,
p_rmt->sample_size_remain,
p_rmt->tx_sub_len,
&translated_size,
&p_rmt->tx_len_rem
);
p_rmt->sample_size_remain -= translated_size;
p_rmt->sample_cur += translated_size;
p_rmt->tx_data = p_rmt->tx_buf;
} else {
p_rmt->sample_cur = NULL;
p_rmt->translator = false;
}
}
const rmt_item32_t* pdata = p_rmt->tx_data;
int len_rem = p_rmt->tx_len_rem;
if(len_rem >= p_rmt->tx_sub_len) {
rmt_fill_memory(channel, pdata, p_rmt->tx_sub_len, p_rmt->tx_offset);
p_rmt->tx_data += p_rmt->tx_sub_len;
p_rmt->tx_len_rem -= p_rmt->tx_sub_len;
} else if(len_rem == 0) {
RMTMEM.chan[channel].data32[p_rmt->tx_offset].val = 0;
} else {
if(p_rmt->translator) {
if(p_rmt->sample_size_remain > 0) {
size_t translated_size = 0;
p_rmt->sample_to_rmt((void *) p_rmt->sample_cur,
p_rmt->tx_buf,
p_rmt->sample_size_remain,
p_rmt->tx_sub_len,
&translated_size,
&p_rmt->tx_len_rem
);
p_rmt->sample_size_remain -= translated_size;
p_rmt->sample_cur += translated_size;
p_rmt->tx_data = p_rmt->tx_buf;
} else {
p_rmt->sample_cur = NULL;
p_rmt->translator = false;
}
}
const rmt_item32_t* pdata = p_rmt->tx_data;
int len_rem = p_rmt->tx_len_rem;
if(len_rem >= p_rmt->tx_sub_len) {
rmt_fill_memory(channel, pdata, p_rmt->tx_sub_len, p_rmt->tx_offset);
p_rmt->tx_data += p_rmt->tx_sub_len;
p_rmt->tx_len_rem -= p_rmt->tx_sub_len;
} else if(len_rem == 0) {
RMTMEM.chan[channel].data32[p_rmt->tx_offset].val = 0;
} else {
rmt_fill_memory(channel, pdata, len_rem, p_rmt->tx_offset);
RMTMEM.chan[channel].data32[p_rmt->tx_offset + len_rem].val = 0;
p_rmt->tx_data += len_rem;
p_rmt->tx_len_rem -= len_rem;
}
if(p_rmt->tx_offset == 0) {
p_rmt->tx_offset = p_rmt->tx_sub_len;
} else {
p_rmt->tx_offset = 0;
}
rmt_fill_memory(channel, pdata, len_rem, p_rmt->tx_offset);
RMTMEM.chan[channel].data32[p_rmt->tx_offset + len_rem].val = 0;
p_rmt->tx_data += len_rem;
p_rmt->tx_len_rem -= len_rem;
}
if(p_rmt->tx_offset == 0) {
p_rmt->tx_offset = p_rmt->tx_sub_len;
} else {
p_rmt->tx_offset = 0;
}
}
}
}
RMT.int_clr.val = intr_st;
if(HPTaskAwoken == pdTRUE) {
portYIELD_FROM_ISR();
}
@@ -959,4 +955,4 @@ esp_err_t rmt_get_channel_status(rmt_channel_status_result_t *channel_status)
}
}
return ESP_OK;
}
}