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author | inmarket <andrewh@inmarket.com.au> | 2014-03-30 19:10:31 +1000 |
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committer | inmarket <andrewh@inmarket.com.au> | 2014-03-30 19:10:31 +1000 |
commit | 04f03ea71da1337c501b598c6038afaf0216fed8 (patch) | |
tree | 7d31e7b75256f42bc6b98bce7e625431d4f7722a /drivers/gaudio/pwm/gaudio_play_board_template.h | |
parent | c16cb15ce9b5e4cc1a913def9614f8a587bc0868 (diff) | |
download | uGFX-04f03ea71da1337c501b598c6038afaf0216fed8.tar.gz uGFX-04f03ea71da1337c501b598c6038afaf0216fed8.tar.bz2 uGFX-04f03ea71da1337c501b598c6038afaf0216fed8.zip |
New PWM audio driver for audio output using a digital pin on a CPU
Diffstat (limited to 'drivers/gaudio/pwm/gaudio_play_board_template.h')
-rw-r--r-- | drivers/gaudio/pwm/gaudio_play_board_template.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gaudio/pwm/gaudio_play_board_template.h b/drivers/gaudio/pwm/gaudio_play_board_template.h new file mode 100644 index 00000000..24039d17 --- /dev/null +++ b/drivers/gaudio/pwm/gaudio_play_board_template.h @@ -0,0 +1,38 @@ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +#ifndef GAUDIO_PLAY_BOARD_H +#define GAUDIO_PLAY_BOARD_H + +/* + * This routine is defined in the driver - the timer interrupt should call this routine. + * + * static void gaudio_play_pwm_timer_callbackI(void); + * + */ + +static bool gaudio_play_pwm_setup(uint32_t frequency, ArrayDataFormat format) { + /* Initialise the PWM - use a midpoint value for the initial PWM value */ + /* Initialise the timer interrupt @ frequency */ + /* Return FALSE if any parameter invalid */ +} + +static void gaudio_play_pwm_start(void) { + /* Start the PWM */ + /* Start the timer interrupt */ +} + +static void gaudio_play_pwm_stop(void) { + /* Stop the timer interrupt */ + /* Stop the PWM */ +} + +static void gaudio_play_pwm_setI(uint16_t value) { + /* Set the PWM value */ +} + +#endif /* GAUDIO_PLAY_BOARD_H */ |