espressif/ESP8266_RTOS_SDK
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bugfix(pwm): PWM cannot drive GPIO properly because there is no enable TSf0 interrupt for PWM.

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This commit is contained in:
ChenZhengwei20190741
2020-11-12 11:11:55 +08:00
committed by Dong Heng
parent b597124bcb
commit dc768384eb
1 changed files with 4 additions and 0 deletions
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4
components/esp8266/driver/pwm.c
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@ -549,6 +549,10 @@ esp_err_t pwm_init(uint32_t period, uint32_t *duties, uint8_t channel_num, const
uint8_t i; uint8_t i;
/*enable tsf0 interrupt for pwm*/
REG_WRITE(PERIPHS_DPORT_BASEADDR, (REG_READ(PERIPHS_DPORT_BASEADDR) & ~0x1F) | 0x1);
REG_WRITE(INT_ENA_WDEV, REG_READ(INT_ENA_WDEV) | WDEV_TSF0_REACH_INT);
if (ESP_ERR_NO_MEM == pwm_obj_malloc(channel_num)) { if (ESP_ERR_NO_MEM == pwm_obj_malloc(channel_num)) {
pwm_obj_free(); pwm_obj_free();
return ESP_ERR_NO_MEM; return ESP_ERR_NO_MEM;