diff options
Diffstat (limited to 'firmware/src/os/pwm.c')
| -rw-r--r-- | firmware/src/os/pwm.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/firmware/src/os/pwm.c b/firmware/src/os/pwm.c index 70858bb..14b9b6c 100644 --- a/firmware/src/os/pwm.c +++ b/firmware/src/os/pwm.c @@ -42,7 +42,7 @@ static AT91PS_PWMC pwm = AT91C_BASE_PWMC; /* find highest bit set. returns bit (32..1) or 0 in case no bit set */ -static int fhs(u_int32_t val) +static int fhs(uint32_t val) { int i; @@ -55,16 +55,16 @@ static int fhs(u_int32_t val) } /* set frequency of PWM signal to freq */ -int pwm_freq_set(int channel, u_int32_t freq) +int pwm_freq_set(int channel, uint32_t freq) { /* in order to get maximum resolution, the pre-scaler must be set to * something like freq << 16. However, the mimimum pre-scaled frequency * we can get is MCLK (48MHz), the minimum is MCLK/(1024*255) = * 48MHz/261120 = 183Hz */ - u_int32_t overall_div; - u_int32_t presc_total; - u_int8_t cpre = 0; - u_int16_t cprd; + uint32_t overall_div; + uint32_t presc_total; + uint8_t cpre = 0; + uint16_t cprd; if (freq > MCLK) return -ERANGE; @@ -104,9 +104,9 @@ void pwm_stop(int channel) AT91F_PWMC_StopChannel(AT91C_BASE_PWMC, (1 << channel)); } -void pwm_duty_set_percent(int channel, u_int16_t duty) +void pwm_duty_set_percent(int channel, uint16_t duty) { - u_int32_t tmp = pwm->PWMC_CH[channel].PWMC_CPRDR & 0xffff; + uint32_t tmp = pwm->PWMC_CH[channel].PWMC_CPRDR & 0xffff; tmp = tmp << 16; /* extend value by 2^16 */ tmp = tmp / 100; /* tmp = 1 % of extended cprd */ @@ -120,7 +120,7 @@ void pwm_duty_set_percent(int channel, u_int16_t duty) static int pwm_usb_in(struct req_ctx *rctx) { struct openpcd_hdr *poh = (struct openpcd_hdr *) rctx->data; - u_int32_t *freq; + uint32_t *freq; switch (poh->cmd) { case OPENPCD_CMD_PWM_ENABLE: @@ -138,7 +138,7 @@ static int pwm_usb_in(struct req_ctx *rctx) case OPENPCD_CMD_PWM_FREQ_SET: if (rctx->tot_len < sizeof(*poh)+4) break; - freq = (u_int32_t *) ((unsigned char *) poh) + sizeof(*poh); + freq = (uint32_t *) ((unsigned char *) poh) + sizeof(*poh); pwm_freq_set(0, *freq); break; case OPENPCD_CMD_PWM_FREQ_GET: |