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Merge branch 'bugfix/pwm_channel_num_type_error' into 'master'

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bugfix(pwm): fix pwm channel num type error

See merge request sdk/ESP8266_RTOS_SDK!941
This commit is contained in:
Dong Heng
2019-05-16 17:09:56 +08:00
parent 1a86bb75f6 4c45455ff0
commit 43d4d27c11
5 changed files with 8 additions and 8 deletions
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4
components/esp8266/driver/pwm.c
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@ -514,7 +514,7 @@ static esp_err_t pwm_obj_free(void)
return ESP_OK;
}
static esp_err_t pwm_obj_malloc(uint32_t channel_num)
static esp_err_t pwm_obj_malloc(uint8_t channel_num)
{
pwm_obj = (pwm_obj_t *)heap_caps_malloc(sizeof(pwm_obj_t), MALLOC_CAP_8BIT);
@ -539,7 +539,7 @@ static esp_err_t pwm_obj_malloc(uint32_t channel_num)
return ESP_OK;
}
esp_err_t pwm_init(uint32_t period, uint32_t *duties, uint32_t channel_num, const uint32_t *pin_num)
esp_err_t pwm_init(uint32_t period, uint32_t *duties, uint8_t channel_num, const uint32_t *pin_num)
{
PWM_CHECK(pwm_obj == NULL, "pwm has been initialized", ESP_FAIL);
PWM_CHECK(channel_num <= MAX_PWM_CHANNEL, "Channel num out of range", ESP_ERR_INVALID_ARG);

4
components/esp8266/include/driver/pwm.h
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@ -27,7 +27,7 @@ extern "C" {
* @param period PWM period, unit: us.
* e.g. For 1KHz PWM, period is 1000 us. Do not set the period below 20us.
* @param duties duty cycle of each channels.
* @param pwm_channel_num PWM channel number, maximum is 8
* @param channel_num PWM channel number, maximum is 8
* @param pin_num GPIO number of PWM channel
*
* @return
@ -35,7 +35,7 @@ extern "C" {
* - ESP_ERR_INVALID_ARG Parameter error
* - ESP_FAIL Init error
*/
esp_err_t pwm_init(uint32_t period, uint32_t *duties, uint32_t pwm_channel_num, const uint32_t *pin_num);
esp_err_t pwm_init(uint32_t period, uint32_t *duties, uint8_t channel_num, const uint32_t *pin_num);
/**
* @brief PWM function uninstall

2
examples/peripherals/pwm/README.md
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@ -47,7 +47,7 @@ I (220) gpio: GPIO[12]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldo
I (225) gpio: GPIO[13]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (247) gpio: GPIO[14]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (251) gpio: GPIO[15]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0
I (265) pwm: --- PWM v3.0
I (265) pwm: --- PWM v3.2
I (20276) main: PWM stop

6
examples/peripherals/pwm/main/pwm_example_main.c
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@ -30,8 +30,8 @@
#define PWM_2_OUT_IO_NUM 14
#define PWM_3_OUT_IO_NUM 15
// PWM period 500us(2Khz), same as depth
#define PWM_PERIOD (500)
// PWM period 1000us(1Khz), same as depth
#define PWM_PERIOD (1000)
static const char *TAG = "pwm_example";
@ -45,7 +45,7 @@ const uint32_t pin_num[4] = {
// duties table, real_duty = duties[x]/PERIOD
uint32_t duties[4] = {
250, 250, 250, 250,
500, 500, 500, 500,
};
// phase table, delay = (phase[x]/360)*PERIOD

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examples/peripherals/pwm/wave.png
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